ADPT / Adaptive Biotechnologies Corporation - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Adaptive Biotechnologies Corporation
US ˙ NasdaqGS ˙ US00650F1093

Mga Batayang Estadistika
LEI 549300ZTF7OT1FW66Q96
CIK 1478320
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Adaptive Biotechnologies Corporation
SEC Filings (Chronological Order)
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August 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2025 ADAPTIVE BIOTECHN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2025 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporati

August 5, 2025 10-Q

Condensed Consolidated Statements of Operations Condensed Consolidated Statements of Shareholders’ Equity Condensed Consolidated Statements of Shareholders’ Equity (Continued) Adaptive Biotechnologies Corporation Adaptive Biotechnologies Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

August 5, 2025 EX-10.10

Non-Employee Director Compensation Policy

EXHIBIT 10.10 ADAPTIVE BIOTECHNOLOGIES CORPORATION NON-EMPLOYEE DIRECTOR COMPENSATION POLICY Last updated July 24, 2025 Adaptive Biotechnologies Corporation, a Washington corporation (the “Company”), believes that the granting of cash and equity compensation to the members of its Board of Directors (the “Board,” and members of the Board, the “Directors”) represents an effective tool to attract, re

August 5, 2025 EX-99.1

Adaptive Biotechnologies Reports Second Quarter 2025 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Second Quarter 2025 Financial Results SEATTLE, Aug. 05, 2025 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial result

August 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025 ADAPTIVE BIOTECHNO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

June 12, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2025 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

May 1, 2025 EX-99.1

Adaptive Biotechnologies Reports First Quarter 2025 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports First Quarter 2025 Financial Results SEATTLE, May 01, 2025 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

May 1, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2025 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

May 1, 2025 10-Q

Condensed Consolidated Statements of Operations Condensed Consolidated Statements of Shareholders’ Equity Adaptive Biotechnologies Corporation Adaptive Biotechnologies Corporation Notes to Unaudited Condensed Consolidated Financial Statements (unau

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

April 29, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

April 29, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

March 3, 2025 EX-19

Insider Trading Policies and Procedures

Exhibit 19 INSIDER TRADING POLICY Adopted by the Board of Directors [●], 2024 Table of Contents Section 1.

March 3, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

February 13, 2025 EX-99.1

Exhibit A

EX-99.1 2 ef20043541ex99-1.htm EXHIBIT A Exhibit A Pursuant to the instructions in Items 6 and 7 of Schedule 13G, the security being reported on by Nikko Asset Management Americas, Inc., as subsidiary to the parent holding companies listed below, are owned, or may be deemed to be beneficially owned, by its parent holding companies. 1) Sumitomo Mitsui Trust Group Inc. o A parent holding company or

February 11, 2025 EX-99.1

Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2024 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2024 Financial Results SEATTLE, Feb. 11, 2025 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported fi

February 11, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 11, 2025 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

January 27, 2025 EX-99.1

JOINT FILING AGREEMENT

EXHIBIT I JOINT FILING AGREEMENT This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the Common Stock, par value $0.

November 13, 2024 SC 13G

ADPT / Adaptive Biotechnologies Corporation / Rubric Capital Management LP - SC 13G Passive Investment

SC 13G 1 tm2427812d1sc13g.htm SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Adaptive Biotechnologies Corporation (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 00650F109 (CUSIP Number) September 30, 2024 (Date of event which requires filing of this statement) Check the appro

November 13, 2024 SC 13G/A

ADPT / Adaptive Biotechnologies Corporation / Matrix Capital Management Company, LP - ADAPTIVE BIOTECHNOLOGIES CORPORATION Passive Investment

SC 13G/A 1 p24-3149sc13ga.htm ADAPTIVE BIOTECHNOLOGIES CORPORATION SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Adaptive Biotechnologies Corporation (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 00650F109 (CUSIP Number) September 30, 2024 (Date of Event Which Require

November 8, 2024 SC 13G

ADPT / Adaptive Biotechnologies Corporation / Nikko Asset Management Americas, Inc. - SC 13G Passive Investment

SC 13G 1 ef20038337sc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a)* ADAPTIVE BIOTECHNOLOGIES CORPORATION (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 00650F109 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this

November 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporat

November 7, 2024 EX-99.1

Adaptive Biotechnologies Reports Third Quarter 2024 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Third Quarter 2024 Financial Results SEATTLE, Nov. 07, 2024 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

November 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

November 5, 2024 SC 13G

ADPT / Adaptive Biotechnologies Corporation / Sumitomo Mitsui Trust Holdings, Inc. Passive Investment

SC 13G 1 adpt1028243sc13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a)* ADAPTIVE BIOTECHNOLOGIES CORPORATION (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 00650F109 (CUSIP Number) September 30, 2024 (Date of Event which Requires Filing of this Statem

October 11, 2024 SC 13G/A

ADPT / Adaptive Biotechnologies Corporation / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 1) ADAPTIVE BIOTECHNOLOGIES CORPORATION (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 00650F109 (CUSIP Number) SEPTEMBER 30, 2024 (Date of event which requires filing of this statement) Check the appropriate box to

August 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

August 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

August 1, 2024 EX-99.1

Adaptive Biotechnologies Reports Second Quarter 2024 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Second Quarter 2024 Financial Results SEATTLE, Aug. 01, 2024 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial result

June 11, 2024 8-K

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2024 (June 07, 2024) ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction

May 28, 2024 SC 13G

ADPT / Adaptive Biotechnologies Corporation / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 00650F109 (CUSIP Number) MAY 17, 2024 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule purs

May 24, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

May 7, 2024 EX-99.1

Adaptive Biotechnologies Reports First Quarter 2024 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports First Quarter 2024 Financial Results SEATTLE, May 07, 2024 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

May 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

May 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

April 26, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

April 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

April 9, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: April 9, 2024 Date of earliest event reported: April 4, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of

April 9, 2024 EX-10.1

Executive Employment Agreement between the Company and Kyle Piskel dated April 4, 2024

Exhibit 10.1 April 1, 2024 KYLE PISKEL Re: Promotion Dear Kyle: Congratulations on your promotion to the position of Chief Financial Officer. You will report to Chad Robins, Chief Executive Officer in your new role. This letter sets out the terms of your new “at will” position with Adaptive, which will become effective on April 8, 2024. Compensation Your new full-time position is Exempt and you wi

April 5, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 2, 2024 ADAPTIVE BIOTECHNOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 2, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

April 5, 2024 EX-99.1

Adaptive Biotechnologies Provides Strategic Review Update and Announces Preliminary First Quarter 2024 Revenue Announces CFO transition

EXHIBIT 99.1 Adaptive Biotechnologies Provides Strategic Review Update and Announces Preliminary First Quarter 2024 Revenue Announces CFO transition SEATTLE, April 02, 2024 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat dis

April 2, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report April 2, 2024 (Date of earliest event reported): April 1, 2024 ADAPT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report April 2, 2024 (Date of earliest event reported): April 1, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of

February 29, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

February 29, 2024 EX-97.1

Adaptive Biotechnologies Corporation Policy for the Recovery of Erroneously Awarded Compensation

Exhibit 97.1 ADAPTIVE BIOTECHNOLOGIES CORPORATION POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Effective Date December 1, 2023 A. OVERVIEW In accordance with the applicable rules of The Nasdaq Stock Market (the “Nasdaq Rules”), Section 10D and Rule 10D-1 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) (“Rule 10D-1”), the Board of Directors (the “Board”) of Ad

February 14, 2024 EX-99.1

Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2023 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2023 Financial Results SEATTLE, Feb. 14, 2024 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported fi

February 14, 2024 SC 13G/A

ADPT / Adaptive Biotechnologies Corporation / VIKING GLOBAL INVESTORS LP Passive Investment

SC 13G/A 1 sayw2402140713ga.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 3) Adaptive Biotechnologies Corporation (Name of Issuer) Common stock (Title of Class of Securiti

February 14, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2024 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

February 13, 2024 SC 13G/A

ADPT / Adaptive Biotechnologies Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0182-adaptivebiotechnologi.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Adaptive Biotechnologies Corp Title of Class of Securities: Common Stock CUSIP Number: 00650F109 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate

January 29, 2024 SC 13G/A

ADPT / Adaptive Biotechnologies Corporation / ARK Investment Management LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm244117d7sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1)* Adaptive Biotechnologies Corporation (Name of Issuer) Common stock (Title of Class of Securities) 00650F109 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropri

November 9, 2023 EX-99.1

Adaptive Biotechnologies Reports Third Quarter 2023 Financial Results and Provides Business Update

EXHIBIT 99.1 Adaptive Biotechnologies Reports Third Quarter 2023 Financial Results and Provides Business Update SEATTLE, Nov. 09, 2023 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, tod

November 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

November 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporat

September 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report September 1, 2023 (Date of earliest event reported): September 1, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report September 1, 2023 (Date of earliest event reported): September 1, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdi

August 2, 2023 EX-99.1

Adaptive Biotechnologies Reports Second Quarter 2023 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Second Quarter 2023 Financial Results SEATTLE, Aug. 02, 2023 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial result

August 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

August 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2023 (July 28, 2023) AD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2023 (July 28, 2023) ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction

July 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2023 ADAPTIVE BIOTECHNOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

June 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2023 (June 09, 2023) ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction

June 1, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

May 9, 2023 EX-99.1

Adaptive Biotechnologies Announces FDA Acceptance of Genentech’s Investigational New Drug Application for the First Neoantigen-Directed T-Cell Therapy Product in Oncology - The T-Cell Therapy product candidate contains a neoantigen-specific T-cell re

EX-99.1 Exhibit 99.1 Press Release Adaptive Biotechnologies Announces FDA Acceptance of Genentech’s Investigational New Drug Application for the First Neoantigen-Directed T-Cell Therapy Product in Oncology - The T-Cell Therapy product candidate contains a neoantigen-specific T-cell receptor (TCR) identified and characterized through Adaptive’s TCR discovery platform SEATTLE, Wash., May 9, 2023 – A

May 9, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 ADAPTIVE BIOTECHNOLOG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

May 3, 2023 EX-99

Adaptive Biotechnologies Reports First Quarter 2023 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports First Quarter 2023 Financial Results SEATTLE, May 03, 2023 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

May 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

May 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 3, 2023 ADAPTIVE BIOTECHNOLOG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 3, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

April 28, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

April 28, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A 1 d670966ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confident

April 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 7, 2023 ADAPTIVE BIOTECHNOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 7, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

February 14, 2023 EX-FILING FEES

Filing Fees Table

Calculation of Filing Fee Table Form S-8 (Form Type) Adaptive Biotechnologies Corporation (Exact Name of Registrant as Specified in its Charter) Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed maximum offering price per unit Maximum aggregate offering price Fee Rate Amount of Registration Fee Equity Common stock, $0.

February 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2023 ADAPTIVE BIOTEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2023 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

February 14, 2023 S-8

As filed with the Securities and Exchange Commission on February 14, 2023

As filed with the Securities and Exchange Commission on February 14, 2023 Registration No.

February 14, 2023 EX-10

Adaptive Biotechnologies Corporation Non-Employee Director Compensation Policy

EXHIBIT 10.10 ADAPTIVE BIOTECHNOLOGIES CORPORATION NON-EMPLOYEE DIRECTOR COMPENSATION POLICY Last updated January 26, 2023 Adaptive Biotechnologies Corporation, a Washington corporation (the “Company”), believes that the granting of cash and equity compensation to the members of its Board of Directors (the “Board,” and members of the Board, the “Directors”) represents an effective tool to attract,

February 14, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

February 14, 2023 EX-99

Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2022 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2022 Financial Results SEATTLE, Feb. 14, 2023 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported fi

February 14, 2023 EX-21

List of Subsidiaries

Exhibit 21.1 List of Subsidiaries of Adaptive Biotechnologies Corporation Subsidiary Jurisdiction of Organization Digital Biotechnologies, Inc. Delaware Adaptive Biotechnologies B.V. Netherlands

February 10, 2023 SC 13G

ADPT / Adaptive Biotechnologies Corp / ARK Investment Management LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

February 9, 2023 SC 13G/A

ADPT / Adaptive Biotechnologies Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Adaptive Biotechnologies Corp. Title of Class of Securities: Common Stock CUSIP Number: 00650F109 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule

November 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 3, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporat

November 3, 2022 EX-99.1

Adaptive Biotechnologies Reports Third Quarter 2022 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Third Quarter 2022 Financial Results SEATTLE, Nov. 3, 2022 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

September 12, 2022 EX-10.1

Revenue Interest Purchase Agreement, made and entered into as of September 12, 2022, by and among Adaptive Biotechnologies Corporation, the Purchasers from time to time party hereto, and OrbiMed Royalty & Credit Opportunities IV, LP

EXHIBIT 10.1 REVENUE INTEREST PURCHASE AGREEMENT dated as of September 12, 2022 among ADAPTIVE BIOTECHNOLOGIES CORPORATION, the Purchasers from time to time party hereto and ORBIMED ROYALTY & CREDIT OPPORTUNITIES IV, LP, as Purchaser Agent TABLE OF CONTENTS Article I. DEFINITIONS 5 Section 1.01. Definitions. 5 Article II. PURCHASE OF REVENUE INTERESTS; PAYMENTS 31 Section 2.01. Purchase of Revenue

September 12, 2022 EX-99.1

Adaptive Biotechnologies Announces Non-Dilutive Royalty Financing with OrbiMed for Up to $250 Million

EXHIBIT 99.1 Adaptive Biotechnologies Announces Non-Dilutive Royalty Financing with OrbiMed for Up to $250 Million SEATTLE, September 12, 2022 - Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that translates the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today announced it has entered into a non-diluti

September 12, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 12, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpor

August 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

August 3, 2022 EX-99.1

Adaptive Biotechnologies Reports Second Quarter 2022 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Second Quarter 2022 Financial Results SEATTLE, August 3, 2022 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial resul

August 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

June 14, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

May 4, 2022 EX-10.1

Form of Performance Units Agreement and Notice of Grant of Performance Units

Exhibit 10.1 ADAPTIVE BIOTECHNOLOGIES CORPORATION PERFORMANCE UNITS AGREEMENT (For U.S. Participants) Adaptive Biotechnologies Corporation has granted to the Participant named in the Notice of Grant of Performance Units (the ?Grant Notice?) to which this Performance Units Agreement (the ?Agreement?) is attached an Award consisting of Performance Units (each a ?Unit?) subject to the terms and condi

May 4, 2022 EX-99.1

Adaptive Biotechnologies Reports First Quarter 2022 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports First Quarter 2022 Financial Results SEATTLE, May 4, 2022 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results f

May 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

April 22, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

April 22, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

March 25, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

March 11, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 9, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

February 15, 2022 EX-99.1

Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2021 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2021 Financial Results SEATTLE, Feb. 15, 2022 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported fi

February 15, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

February 15, 2022 EX-21.1

List of Subsidiaries

Exhibit 21.1 List of Subsidiaries of Adaptive Biotechnologies Corporation Subsidiary Jurisdiction of Organization Digital Biotechnologies, Inc. Delaware Adaptive Biotechnologies B.V. Netherlands

February 15, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 15, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

February 14, 2022 SC 13G/A

ADPT / Adaptive Biotechnologies Corp / VIKING GLOBAL INVESTORS LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 2) Adaptive Biotechnologies Corporation (Name of Issuer) Common stock (Title of Class of Securities) 00650F109 (CUSIP Number) Dec

February 14, 2022 SC 13G/A

ADPT / Adaptive Biotechnologies Corp / Matrix Capital Management Company, LP - ADAPTIVE BIOTECHNOLOGIES CORPORATION Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Adaptive Biotechnologies Corporation (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 00650F109 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

February 9, 2022 SC 13G/A

ADPT / Adaptive Biotechnologies Corp / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Adaptive Biotechnologies Corp. Title of Class of Securities: Common Stock CUSIP Number: 00650F109 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule

January 10, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 4, 2022 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporati

January 10, 2022 EX-99.1

Adaptive Biotechnologies Announces Preliminary, Unaudited 2021 Revenue Results and CFO Transition

EXHIBIT 99.1 Adaptive Biotechnologies Announces Preliminary, Unaudited 2021 Revenue Results and CFO Transition SEATTLE, Jan. 10, 2022 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (Nasdaq: ADPT) today reported preliminary, unaudited revenue for the year ended December 31, 2021. Total revenue for the year ended December 31, 2021 is estimated to be in the range of $153 million to $154 mill

November 3, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

November 3, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporat

November 3, 2021 EX-99.1

Adaptive Biotechnologies Reports Third Quarter 2021 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Third Quarter 2021 Financial Results SEATTLE, Nov. 3, 2021 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

August 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

August 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

August 4, 2021 EX-99.1

Adaptive Biotechnologies Reports Second Quarter 2021 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Second Quarter 2021 Financial Results SEATTLE, Aug. 4, 2021 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

June 14, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

May 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

May 5, 2021 EX-99.1

Adaptive Biotechnologies Reports First Quarter 2021 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports First Quarter 2021 Financial Results SEATTLE, May 5, 2021 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results f

May 5, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

April 23, 2021 DEF 14A

- DEF 14A

DEF 14A 1 adpt-def14a20210611.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commissi

April 23, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 17, 2021 EX-99.1

Adaptive Biotechnologies Strengthens Expertise and Diversity of Board of Directors with Appointments of Leslie Trigg and Katey Owen

EXHIBIT 99.1 Adaptive Biotechnologies Strengthens Expertise and Diversity of Board of Directors with Appointments of Leslie Trigg and Katey Owen SEATTLE, March 17, 2021 – Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today announced

March 17, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 16, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

March 5, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 4, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

March 2, 2021 8-K

Regulation FD Disclosure, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 2, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

February 24, 2021 EX-99.1

Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2020 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2020 Financial Results SEATTLE, Feb. 24, 2021 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported fi

February 24, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

February 24, 2021 EX-10.17

Form of Restricted Stock Unit Agreement for Non-U.S. Participants

Exhibit 10.17 ADAPTIVE BIOTECHNOLOGIES CORPORATION RESTRICTED STOCK UNITS AGREEMENT (For Non-U.S. Participants) Adaptive Biotechnologies Corporation has granted to the Participant named in the Notice of Grant of Restricted Stock Units (the ?Grant Notice?) to which this Restricted Stock Units Agreement (the ?Agreement?) is attached an Award consisting of Restricted Stock Units (each a ?Unit?) subje

February 24, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

February 24, 2021 EX-21.1

List of Subsidiaries

Exhibit 21.1 List of Subsidiaries of Adaptive Biotechnologies Corporation Subsidiary Jurisdiction of Organization Spin Technologies, Inc. Delaware

February 24, 2021 EX-10.16

Form of Stock Option Agreement for Non-U.S. Participants

Exhibit 10.16 ADAPTIVE BIOTECHNOLOGIES CORPORATION STOCK OPTION AGREEMENT (For Non-U.S. Participants) Adaptive Biotechnologies Corporation (the ?Company?) has granted to the Participant named in the Notice of Grant of Stock Option (the ?Grant Notice?) to which this Stock Option Agreement (the ?Option Agreement?) is attached an option (the ?Option?) to purchase certain shares of Stock upon the term

February 24, 2021 EX-10.12

Adaptive Biotechnologies Corporation Non-Employee Director Compensation Policy

EXHIBIT 10.12 ADAPTIVE BIOTECHNOLOGIES CORPORATION NON-EMPLOYEE DIRECTOR COMPENSATION POLICY Last updated February 14, 2021 Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), believes that the granting of cash and equity compensation to the members of its Board of Directors (the ?Board,? and members of the Board, the ?Directors?) represents an effective tool to attract

February 16, 2021 SC 13G/A

Adaptive Biotechnologies Corporation

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Adaptive Biotechnologies Corporation (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 00650F109 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

February 16, 2021 SC 13G/A

SCHEDULE 13G/A INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 1) Adaptive Biotechnologies Corporation (Name of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d- 1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* (Amendment No. 1) Adaptive Biotechnologies Corporation (Name of Issuer) Common stock (Title of Class of Securities) 00650F109 (CUSIP Number) D

February 10, 2021 SC 13G

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Adaptive Biotechnologies Corp. Title of Class of Securities: Common Stock CUSIP Number: 00650F109 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d

January 27, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2021 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporat

November 12, 2020 8-K

- 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

November 10, 2020 EX-99.1

Adaptive Biotechnologies Reports Third Quarter 2020 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Third Quarter 2020 Financial Results SEATTLE, Nov. 10, 2020 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results

November 10, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

November 10, 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

October 16, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - ZOLTNERS RESIGNATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 9, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporati

August 21, 2020 8-K

Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporati

August 21, 2020 424B7

CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Amount to be Registered(1) Proposed Maximum Offering Price Per Share(2) Proposed Maximum Aggregate Offering Price(2) Amount of Registration Fee(3) Common Stock, par value $0.0001 pe

424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-239854 CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Amount to be Registered(1) Proposed Maximum Offering Price Per Share(2) Proposed Maximum Aggregate Offering Price(2) Amount of Registration Fee(3) Common Stock, par value $0.0001 per share 33,493,708 $38.96 $1,304,914,864 $169,378 (1) Pursuant to

August 10, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 10, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporati

August 10, 2020 EX-99.1

Adaptive Biotechnologies Reports Second Quarter 2020 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Second Quarter 2020 Financial Results SEATTLE, Aug. 10, 2020 (GLOBE NEWSWIRE) – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial result

August 10, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

August 10, 2020 EX-10.1

Form of Executive Severance Agreement between the Registrant and certain of its executive officers

EXHIBIT 10.1 ADAPTIVE BIOTECHNOLOGIES CORPORATION EXECUTIVE SEVERANCE AGREEMENT This Executive Severance Agreement (the “Agreement”) is entered into by and between Adaptive Biotechnologies Corporation, a Washington corporation (the “Company”), and [Insert Name] (“Executive”). The terms of this Agreement will become effective on the Effective Date (as defined below). 1.At-Will Employment. The parti

July 16, 2020 EX-99.2

Adaptive Biotechnologies Announces Pricing of Public Offering of Common Stock

EXHIBIT 99.2 Adaptive Biotechnologies Announces Pricing of Public Offering of Common Stock SEATTLE, Wash., July 15, 2020 – Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, announced today the pricing of an underwritten public offering

July 16, 2020 424B5

CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Amount to be Registered(1) Maximum Offering Price Per Share Maximum Aggregate Offering Price Amount of Registration Fee(2) Common Stock, par value $0.0001 per share 9,200,000 $40.00

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-239854 CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Amount to be Registered(1) Maximum Offering Price Per Share Maximum Aggregate Offering Price Amount of Registration Fee(2) Common Stock, par value $0.0001 per share 9,200,000 $40.00 $368,000,000 $47,767 (1) Includes 1,200,000 shares of common sto

July 16, 2020 EX-1.1

Underwriting Agreement, dated July 15, 2020, by and among Adaptive Biotechnologies Corporation, the Selling Shareholder, J.P. Morgan Securities LLC, Goldman Sachs & Co. LLC and BofA Securities, Inc.

EXHIBIT 1.1 Adaptive Biotechnologies Corporation Common Stock Underwriting Agreement July 15, 2020 J.P. Morgan Securities LLC, Goldman Sachs & Co. LLC BofA Securities, Inc. As representatives of the several Underwriters named in Schedule II hereto c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 c/o Goldman Sachs & Co. LLC 200 West Street New York, New York 10282-2198 c/o

July 16, 2020 EX-99.1

Adaptive Biotechnologies Announces Proposed Public Offering of Common Stock

EX-99.1 4 adpt-ex9916.htm EX-99.1 PRESS RELEASE DATED JULY 14, 2020 EXHIBIT 99.1 Adaptive Biotechnologies Announces Proposed Public Offering of Common Stock SEATTLE, Wash., July 14, 2020 – Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat diseas

July 16, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 14, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

July 14, 2020 EX-4.3

Form of indenture for senior debt securities and the related form of senior debt security.

EX-4.3 Exhibit 4.3 ADAPTIVE BIOTECHNOLOGIES CORPORATION ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 20 SENIOR DEBT SECURITIES TABLE OF CONTENTS Page ARTICLE ONE - DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 2 SECTION 101. Definitions 2 SECTION 102. Compliance Certificates and Opinions 11 SECTION 103. Form of Documents Delivered to Trustee 12 SECTION 104. Acts of Holders 12 SE

July 14, 2020 S-3ASR

- S-3ASR

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on July 14, 2020 Registration No.

July 14, 2020 EX-4.4

Form of indenture for subordinated debt securities and the related form of subordinated debt security.

EX-4.4 Exhibit 4.4 ADAPTIVE BIOTECHNOLOGIES CORPORATION ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 20 SUBORDINATED DEBT SECURITIES TABLE OF CONTENTS Page ARTICLE ONE - DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 2 SECTION 101. Definitions 2 SECTION 102. Compliance Certificates and Opinions 12 SECTION 103. Form of Documents Delivered to Trustee 13 SECTION 104. Acts of Holders

July 14, 2020 424B5

Subject to Completion, dated July 14, 2020

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-239854 The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission and is effective. This preliminary prospectus supplement and the accompanying prospectus are not an offer to

June 26, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 25, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

June 16, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation

May 12, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

May 12, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

May 12, 2020 EX-99.1

Adaptive Biotechnologies Reports First Quarter 2020 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports First Quarter 2020 Financial Results SEATTLE, May 12, 2020 – Adaptive Biotechnologies Corporation (“Adaptive Biotechnologies”) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported financial results for the quarter e

May 5, 2020 EX-99.1

Adaptive Biotechnologies and Microsoft launch virtual ImmuneRACE study to inform novel COVID-19 diagnostics to address unmet needs in testing LabCorp, through its Covance drug development business, will provide a safe, in-person COVID-19 sample colle

Exhibit 99.1 Adaptive Biotechnologies and Microsoft launch virtual ImmuneRACE study to inform novel COVID-19 diagnostics to address unmet needs in testing LabCorp, through its Covance drug development business, will provide a safe, in-person COVID-19 sample collection service from the convenience of patients? homes De-identified data about immune response to COVID-19 will be made freely available

May 5, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporation)

April 24, 2020 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 24, 2020 DEF 14A

Definitive Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 20, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 20, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporatio

March 20, 2020 EX-99.1

Adaptive Biotechnologies and Microsoft expand partnership to decode COVID-19 immune response and provide open data access Differentiated approach may improve detection methods and inform vaccine discovery for COVID-19 Other industry leaders including

EXHIBIT 99.1 March 20, 2020 Adaptive Biotechnologies and Microsoft expand partnership to decode COVID-19 immune response and provide open data access Differentiated approach may improve detection methods and inform vaccine discovery for COVID-19 Other industry leaders including LabCorp, through its Covance drug development business, Illumina, and Providence join forces to accelerate this critical

February 26, 2020 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

February 26, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

February 26, 2020 EX-4.3

Description of Securities

EXHIBIT 4.3 DESCRIPTION OF REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description (this ?Description?) of our common stock is a summary and does not purport to be complete. It is subject to, and qualified in its entirety by reference to, our Articles of Incorporation and Bylaws, each of which have been filed with the Securities an

February 26, 2020 EX-99.1

Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2019 Financial Results

EXHIBIT 99.1 Adaptive Biotechnologies Reports Fourth Quarter and Full Year 2019 Financial Results SEATTLE, Feb. 26, 2020 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, today reported fi

February 18, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpora

February 14, 2020 SC 13G

00650F109 / Adaptive Biotechnologies Corp / Matrix Capital Management Company, LP - ADAPTIVE BIOTECHNOLOGIES CORPORATION Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Adaptive Biotechnologies Corporation (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 00650F109 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the

February 11, 2020 SC 13G

00650F109 / Adaptive Biotechnologies Corp / Viking Global Investors LP - ACQUISITION OF BENEFICIAL OWNERSHIP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934* Adaptive Biotechnologies Corporation (Name of Issuer) Common stock (Title of Class of Securities) 00650F109 (CUSIP Number) December 31, 2019 (Dat

January 27, 2020 EX-99.1

Adaptive Announces Preliminary Unaudited Revenue for Full Year 2019

EXHIBIT 99.1 Adaptive Announces Preliminary Unaudited Revenue for Full Year 2019 SEATTLE, Wash., January 21, 2020 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, announced today preliminary unaudited revenue for the full year 2019. P

January 27, 2020 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpor

January 24, 2020 EX-99.2

Recent Developments

EXHIBIT 99.2 Recent Developments Preliminary Estimates for Year Ended December 31, 2019 Our financial statements for the year ended December 31, 2019 are not yet available. Accordingly, the information presented below reflects our preliminary estimates subject to the completion of our financial closing procedures and any adjustments that may result from the completion of the audit of our financial

January 24, 2020 424B4

8,000,000 Shares Common Stock

Table of Contents Filed pursuant to Rule 424(b)(4) Registration No. 333-235989 8,000,000 Shares Common Stock The selling shareholders identified in the ?Principal and Selling Shareholders? section are offering 8,000,000 shares of our common stock. We will not receive any proceeds from the sale of the shares to be offered by the selling shareholders. Our common stock is listed on The Nasdaq Global

January 24, 2020 EX-99.1

Adaptive Announces Proposed Public Offering of Common Stock

EXHIBIT 99.1 Adaptive Announces Proposed Public Offering of Common Stock SEATTLE, Wash., January 21, 2020 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, announced today the commencement of a proposed underwritten public offering of

January 24, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporat

January 24, 2020 EX-99.3

Adaptive Announces Pricing of Public Offering of Common Stock

EXHIBIT 99.3 Adaptive Announces Pricing of Public Offering of Common Stock SEATTLE, Wash., January 23, 2020 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease, announced today the pricing of an underwritten public offering of 8,000,000 s

January 22, 2020 S-1/A

As filed with the Securities and Exchange Commission on January 22, 2020.

As filed with the Securities and Exchange Commission on January 22, 2020. Registration No. 333-235989 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of registrant as specified in its charter) Washington 2836 27-0907024 (State or other jurisdi

January 22, 2020 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 Adaptive Biotechnologies Corporation Common Stock Underwriting Agreement , 2020 J.P. Morgan Securities LLC, Goldman Sachs & Co. LLC BofA Securities, Inc. As representatives of the several Underwriters named in Schedule II hereto c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 c/o Goldman Sachs & Co. LLC 200 West Street New York, New York 10282-2198 c/o BofA S

January 21, 2020 CORRESP

January 21, 2020

January 21, 2020 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Tim Buchmiller Re: Adaptive Biotechnologies Corporation Registration Statement on Form S-1 File No. 333-235989 Acceleration Request Requested Date: January 23, 2020 Requested Time: 4:30 p.m., Eastern Time Ladies and Gentlemen: Pursuant to Rule 460

January 21, 2020 CORRESP

January 21, 2020

January 21, 2020 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Tim Buchmiller Re: Adaptive Biotechnologies Corporation Registration Statement on Form S-1 File No. 333-235989 Acceleration Request Requested Date: January 23, 2020 Requested Time: 4:30 p.m., Eastern Time Ladies and Gentlemen: Pursuant to Rule 461

January 21, 2020 S-1

Form S-1

Table of Contents As filed with the Securities and Exchange Commission on January 21, 2020.

January 9, 2020 DRS

As confidentially submitted to the Securities and Exchange Commission on January 9, 2020. This draft registration statement has not been publicly filed with the Securities and Exchange Commission and all information herein remains strictly confidenti

Table of Contents As confidentially submitted to the Securities and Exchange Commission on January 9, 2020.

January 8, 2020 EX-99.1

Adaptive Biotechnologies Receives Expanded Medicare Coverage of clonoSEQ® for Monitoring MRD in Patients With Chronic Lymphocytic Leukemia

EXHIBIT 99.1 Adaptive Biotechnologies Receives Expanded Medicare Coverage of clonoSEQ? for Monitoring MRD in Patients With Chronic Lymphocytic Leukemia SEATTLE, Wash., January 8, 2020 ? Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that aims to translate the genetics of the adaptive immune system into clinical products to diagnose and treat disease,

January 8, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 8, 2020 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorporati

November 12, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 adpt-8k20191112.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2019 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or O

November 12, 2019 EX-99.1

Adaptive Biotechnologies Corporation Reports Third Quarter 2019 Financial Results

Exhibit 99.1 Adaptive Biotechnologies Corporation Reports Third Quarter 2019 Financial Results SEATTLE, November 12, 2019 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT) today reported financial results for the quarter ended September 30, 2019. ?During the third quarter, we continued to make strong progress across our existing products and our pi

November 12, 2019 EX-10.3

IVD Test Kit Development and Supply Agreement between Illumina, Inc. and Adaptive Biotechnologies Corporation, effective September 23, 2019

Exhibit 10.3 Confidential Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. IVD TEST KIT development AND SUPPLY AGREEMENT This IVD Test Kit Development and Supply Agreement (the ?Agreement?) is effective as of the date of last signature below (the ?Effective Date?) and is made by and between Illumin

November 12, 2019 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.

September 24, 2019 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2019 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of Registrant as Specified in Its Charter) Washington 001-38957 27-0907024 (State or Other Jurisdiction of Incorpor

September 24, 2019 EX-99.1

Adaptive Biotechnologies Enters Partnership with Illumina to Develop Distributable IVD Test Kits for clonoSEQ and immunoSEQ Dx Partnership Will Enable Physicians to Order Clinical Immunodiagnostic Testing that Can Be Performed in Local Laboratories

Exhibit 99.1 Adaptive Biotechnologies Enters Partnership with Illumina to Develop Distributable IVD Test Kits for clonoSEQ and immunoSEQ Dx Partnership Will Enable Physicians to Order Clinical Immunodiagnostic Testing that Can Be Performed in Local Laboratories SEATTLE, Wash., September 24, 2019 ? Adaptive Biotechnologies Corporation (Nasdaq: ADPT), a commercial stage biotechnology company that ai

August 13, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2019 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of registrant as specified in its charter) Washington 001-38957 27-0907024 (State or other jurisdiction of incorporati

August 13, 2019 EX-99.1

Adaptive Biotechnologies Corporation Reports Second Quarter 2019 Financial Results

Exhibit 99.1 Adaptive Biotechnologies Corporation Reports Second Quarter 2019 Financial Results SEATTLE, August 13, 2019 (GLOBE NEWSWIRE) ? Adaptive Biotechnologies Corporation (?Adaptive Biotechnologies?) (Nasdaq: ADPT) today reported financial results for the quarter ended June 30, 2019. ?At Adaptive, we are translating the genetics of the adaptive immune system into clinical products to transfo

August 13, 2019 EX-10.12

Adaptive Biotechnologies Corporation 2019 Equity Incentive Plan and form of award agreement thereunder

Exhibit 10.12 ADAPTIVE BIOTECHNOLOGIES CORPORATION 2019 EQUITY INCENTIVE PLAN Table of Contents Page 1. Establishment, Purpose and Term of Plan1 1.1 Establishment1 1.2 Purpose1 1.3 Term of Plan1 2. Definitions and Construction1 2.1 Definitions1 2.2 Construction8 3. Administration8 3.1 Administration by the Committee8 3.2 Authority of Officers9 3.3 Administration with Respect to Insiders9 3.4 Power

August 13, 2019 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38957 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact Name of Registrant as Specified in its Charter) Washington 27-0907024 ( State or other jurisdiction of incorporation or organization) (I.

August 7, 2019 EX-10.2

Lease Agreement between Adaptive Biotechnologies Corporation and ARE-Seattle No. 12, LLC, dated August 2, 2019

Exhibit 10.2 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. LEASE AGREEMENT THIS LEASE AGREEMENT (this ?Lease?) is made this 2nd day of August, 2019, between ARE-SEATTLE NO. 12, LLC, a Delaware limited liability company (?Landlord?), and ADAPTIVE BIOTECHNOLOGIES CORPORATION, a Washington corporat

August 7, 2019 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2019 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of registrant as specified in its charter) Washington 001-38957 27-0907024 (State or other jurisdiction of incorporatio

August 7, 2019 EX-99.1

Adaptive Biotechnologies Executes Lease for New 100,000 Square Foot Corporate Headquarters, Tripling its Footprint in Seattle’s Growing Biotech Hub Development of the waterfront office space and research facility by Alexandria Real Estate Equities, I

Exhibit 99.1 Adaptive Biotechnologies Executes Lease for New 100,000 Square Foot Corporate Headquarters, Tripling its Footprint in Seattle?s Growing Biotech Hub Development of the waterfront office space and research facility by Alexandria Real Estate Equities, Inc. is underway with occupancy expected in 2021 SEATTLE, Wash., August 7, 2019 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT), a co

August 7, 2019 EX-10.1

Sixth Amendment to Lease Agreement between Adaptive Biotechnologies Corporation and ARE-Seattle No. 11, LLC, dated August 2, 2019

Exhibit 10.1 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed SIXTH AMENDMENT TO LEASE THIS SIXTH AMENDMENT TO LEASE (this ?Sixth Amendment?) is made as of August 2, 2019, by and between ARE-SEATTLE NO. 11, LLC, a Delaware limited liability company (?Landlord?), and ADAPTIVE BIOTECHNOLOGIES CORPORAT

August 2, 2019 EX-99.1

Adaptive Biotechnologies Receives New York State CLEP Approval for clonoSEQ to Detect and Monitor Minimal Residual Disease (MRD) in Patients with Certain Blood Cancers

Exhibit 99.1 Adaptive Biotechnologies Receives New York State CLEP Approval for clonoSEQ to Detect and Monitor Minimal Residual Disease (MRD) in Patients with Certain Blood Cancers SEATTLE, July 31, 2019 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT) (?Adaptive?), a commercial-stage biotechnology company that reads and translates the genetic code of the adaptive immune system with the goal o

August 2, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2019 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of registrant as specified in its charter) Washington 001-38957 27-0907024 (State or other jurisdiction of incorporation

July 1, 2019 EX-99.1

Adaptive Biotechnologies Announces Pricing of Initial Public Offering

Exhibit 99.1 Adaptive Biotechnologies Announces Pricing of Initial Public Offering SEATTLE, Wash, June 26, 2019 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT) (?Adaptive?), a commercial-stage biotechnology company that reads and translates the genetic code of the adaptive immune system to develop personalized diagnostics and therapeutics to improve patient lives, today announced the pricing

July 1, 2019 EX-3.1

Amended and Restated Articles of Incorporation

Exhibit 3.1 AMENDED AND RESTATED ARTICLES OF INCORPORATION OF ADAPTIVE BIOTECHNOLOGIES CORPORATION ARTICLE 1 NAME The name of the corporation is Adaptive Biotechnologies Corporation. ARTICLE 2 DURATION The corporation is organized under the Washington Business Corporation Act (the ?Act?) and shall have perpetual existence. ARTICLE 3 PURPOSE AND POWERS The purpose and powers of the corporation are

July 1, 2019 EX-99.2

Adaptive Biotechnologies Announces Closing of Initial Public Offering and Full Exercise of the Underwriters’ Option to Purchase Additional Shares

Exhibit 99.2 Adaptive Biotechnologies Announces Closing of Initial Public Offering and Full Exercise of the Underwriters? Option to Purchase Additional Shares SEATTLE, Wash, July 1, 2019 ? Adaptive Biotechnologies Corporation (Nasdaq:ADPT) (?Adaptive?), a commercial-stage biotechnology company that reads and translates the genetic code of the adaptive immune system to develop personalized diagnost

July 1, 2019 EX-99.1

Sequenta, Inc. 2008 Stock Plan and form of award agreement thereunder.

Exhibit 99.1 SEQUENTA, INC. 2008 STOCK PLAN 1. Purposes of the Plan. The purposes of this Plan are to attract and retain the best available personnel for positions of substantial responsibility, to provide additional incentive to Employees, Directors and Consultants and to promote the success of the Company?s business. The Plan permits the grant of Options and Restricted Stock as the Administrator

July 1, 2019 EX-3.2

Amended and Restated Bylaws

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF ADAPTIVE BIOTECHNOLOGIES CORPORATION (Incorporated under the Laws of Washington) (Effective July 1, 2019) TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 ARTICLE II SHAREHOLDERS 2 2.1 Annual Meeting 2 2.2 Special Meetings 2 2.3 Notice of Meetings 2 2.4 Quorum; Vote Requirement 3 2.5 Adjournments 3 2.6 Record Date 4 2.7 Organization of Meetings 4 2.8 Proxie

July 1, 2019 S-8

As filed with the Securities and Exchange Commission on July 1, 2019

As filed with the Securities and Exchange Commission on July 1, 2019 Registration No.

July 1, 2019 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

8-K 1 d27753d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 26, 2019 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of registrant as specified in its charter) Washington 1-38957 27-0907024 (State or other jurisdi

June 27, 2019 424B4

15,000,000 Shares Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-231838 PROSPECTUS 15,000,000 Shares Common Stock This is an initial public offering of shares of common stock of Adaptive Biotechnologies Corporation. We are offering 15,000,000 shares of our common stock to be sold in this offering. Prior to this offering, there has been no public market for our common stock. The initial publ

June 26, 2019 S-1/A

Form S-1

Table of Contents As filed with the Securities and Exchange Commission on June 26, 2019.

June 26, 2019 8-A12B

Form 8-A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ADAPTIVE BIOTECHNOLOGIES CORPORATION (Exact name of registrant as specified in its charter) Washington 27-0907024 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Ide

June 24, 2019 CORRESP

June 24, 2019

June 24, 2019 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Sharon Blume Justin Dobbie Andi Carpenter Julie Griffith Re: Adaptive Biotechnologies Corporation Registration Statement on Form S-1 File No. 333-231838 Acceleration Request Requested Date: Wednesday, June 26, 2019 Requested Time: 4:00 p.m., Eastern D

June 24, 2019 CORRESP

[Signature Page Follows]

June 24, 2019 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Sharon Blume Justin Dobbie Andi Carpenter Julie Griffith Re: Adaptive Biotechnologies Corporation Registration Statement on Form S-1 File No. 333-231838 Acceleration Request Requested Date: Wednesday, June 26, 2019 Requested Time: 4:00 p.m., Eastern D

June 19, 2019 S-1/A

As filed with the Securities and Exchange Commission on June 19, 2019.

Table of Contents As filed with the Securities and Exchange Commission on June 19, 2019.

June 17, 2019 EX-3.2

Form of Amended and Restated Articles of Incorporation of the Registrant (to be effective upon the closing of this offering)

Exhibit 3.2 AMENDED AND RESTATED ARTICLES OF INCORPORATION OF ADAPTIVE BIOTECHNOLOGIES CORPORATION ARTICLE 1 NAME The name of the corporation is Adaptive Biotechnologies Corporation. ARTICLE 2 DURATION The corporation is organized under the Washington Business Corporation Act (the ?Act?) and shall have perpetual existence. ARTICLE 3 PURPOSE AND POWERS The purpose and powers of the corporation are

June 17, 2019 EX-3.4

Form of Amended and Restated Bylaws (to be effective upon the closing of this offering)

Exhibit 3.4 AMENDED AND RESTATED BYLAWS OF ADAPTIVE BIOTECHNOLOGIES CORPORATION (Incorporated under the Laws of Washington) (Effective , 2019) TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 ARTICLE II SHAREHOLDERS 2 2.1 Annual Meeting 2 2.2 Special Meetings 2 2.3 Notice of Meetings 2 2.4 Quorum; Vote Requirement 3 2.5 Adjournments 3 2.6 Record Date 4 2.7 Organization of Meetings 4 2.8 Proxies 4 2.

June 17, 2019 EX-10.17

Adaptive Biotechnologies Corporation 2019 Employee Stock Purchase Plan

Exhibit 10.17 ADAPTIVE BIOTECHNOLOGIES CORPORATION 2019 EMPLOYEE STOCK PURCHASE PLAN TABLE OF CONTENTS Page 1. Establishment, Purpose and Term of Plan 1 1.1 Establishment 1 1.2 Purpose 1 1.3 Term of Plan 1 2. Definitions and Construction 1 2.1 Definitions 1 2.2 Construction 6 3. Administration 6 3.1 Administration by the Committee 6 3.2 Authority of Officers 6 3.3 Power to Adopt Sub-Plans 6 3.4 Po

June 17, 2019 EX-10.14

Adaptive Biotechnologies Corporation Non-Employee Director Compensation Policy

Exhibit 10.14 ADAPTIVE BIOTECHNOLOGIES CORPORATION OUTSIDE DIRECTOR COMPENSATION POLICY Adopted and approved June 10, 2019 Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), believes that the granting of cash and equity compensation to the members of its Board of Directors (the ?Board,? and members of the Board, the ?Directors?) represents an effective tool to attract,

June 17, 2019 EX-10.16

Adaptive Biotechnologies Corporation 2019 Equity Incentive Plan and forms of award agreements thereunder

Exhibit 10.16 ADAPTIVE BIOTECHNOLOGIES CORPORATION 2019 EQUITY INCENTIVE PLAN TABLE OF CONTENTS Page 1. Establishment, Purpose and Term of Plan 1 1.1 Establishment 1 1.2 Purpose 1 1.3 Term of Plan 1 2. Definitions and Construction 1 2.1 Definitions 1 2.2 Construction 8 3. Administration 8 3.1 Administration by the Committee 8 3.2 Authority of Officers 9 3.3 Administration with Respect to Insiders

June 17, 2019 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 Adaptive Biotechnologies Corporation Common Stock Underwriting Agreement , 2019 Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC BofA Securities, Inc. As representatives of the several Underwriters named in Schedule I hereto c/o Goldman Sachs & Co. LLC 200 West Street New York, New York 10282-2198 c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 c/o BofA Se

June 17, 2019 S-1/A

As filed with the Securities and Exchange Commission on June 17, 2019.

Table of Contents As filed with the Securities and Exchange Commission on June 17, 2019.

June 17, 2019 EX-10.3

Master Terms & Conditions of Sale between Illumina, Inc. and the Registrant, dated May 28, 2019

Exhibit 10.3 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. Master Terms and Conditions of Sale (Illumina Advantage Products) These MASTER TERMS AND CONDITIONS OF SALE (these ?Terms?) are entered into effective as of May 28, 2019 (the ?Effective Date?) by and between Illumina, Inc., a Delaware co

June 17, 2019 CORRESP

DLA Piper LLP (US)

DLA Piper LLP (US) 701 Fifth Avenue Suite 6900 Seattle, Washington 98104-7044 www.

June 4, 2019 CORRESP

CERTAIN PORTIONS OF THIS LETTER AS FILED VIA EDGAR HAVE BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION. CONFIDENTIAL TREATMENT HAS BEEN REQUESTED FOR THE OMITTED PORTIONS, WHICH HAVE BEEN REPLACED WITH THE FOLLOWING PLACEHOLDER: “[***].”

CONFIDENTIAL TREATMENT REQUESTED BY ADAPTIVE BIOTECHNOLOGIES CORPORATION CERTAIN PORTIONS OF THIS LETTER AS FILED VIA EDGAR HAVE BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION.

May 30, 2019 EX-4.3

Warrant to Purchase Common Stock, dated July 18, 2013, issued by the Registrant to Imdaptive, Inc.

Exhibit 4.3 Warrant THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?ACT?), OR UNDER THE SECURITIES LAWS OF APPLICABLE STATES. THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT AND THE APPLICABLE STATE SECU

May 30, 2019 EX-10.1

Strategic Collaboration and License Agreement between Genentech, Inc. and the Registrant, dated December 19, 2018

Exhibit 10.1 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. CONFIDENTIAL EXECUTION COPY STRATEGIC COLLABORATION AND LICENSE AGREEMENT THIS STRATEGIC COLLABORATION AND LICENSE AGREEMENT (?Agreement?) is made and entered into as of December 19, 2018 (?Execution Date?), by and between Adaptive Biote

May 30, 2019 EX-10.8

Form of Amended and Restated Employment Agreement between the Registrant and each of Lance Baldo, MD and Francis T. Lo

Exhibit 10.8 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com , 2019 [Employee Name] [Employee Address] [Employee Address] Re: Employment Agreement Dear [Employee Name]: This letter agreement (this ?Agreement?) confirms the terms of your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?). 1. Title and Cash Compensation Yo

May 30, 2019 EX-10.18

Lease Agreement between ARE-Seattle No. 11, LLC and Adaptive TCR Corporation, dated July 21, 2011, as amended by Amendment No. 1, dated August 26, 2011, Amendment No. 2, dated June 30, 2014, Amendment No. 3, dated November 5, 2015, Amendment No. 4, dated December 23, 2015, and Amendment No. 5, dated June 6, 2016

Exhibit 10.18 LEASE AGREEMENT THIS LEASE AGREEMENT (this ?Lease?) is made this 21 day of July, 2011, between ARE-SEATTLE NO. 11, LLC, a Delaware limited liability company (?Landlord?), and ADAPTIVE TCR CORPORATION, a Washington corporation (?Tenant?). Address: 1551 Eastlake Avenue, Seattle, Washington Premises: That portion of the second floor of the Project, containing approximately 7,724 rentabl

May 30, 2019 EX-10.10

Executive Severance Agreement between the Registrant and Chad Cohen, dated May 1, 2019

Exhibit 10.10 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com May 1, 2019 Chad Cohen [address] Re: Executive Severance Agreement Dear Chad: This letter agreement (this ?Agreement?) confirms the terms of your severance rights in connection with your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), and supplements that

May 30, 2019 EX-10.4

Master Collaboration Agreement between Adaptimmune Limited and the Registrant, dated July 10, 2015

Exhibit 10.4 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. MASTER COLLABORATION AGREEMENT This Master Collaboration Agreement (this ?Agreement?) is made effective as of July 10, 2015 by and between ADAPTIVE BIOTECHNOLOGIES CORPORATION, a Washington corporation (?Adaptive?), and Adaptimmune Limit

May 30, 2019 EX-4.4

Warrant dated April 21, 2014, issued by the Registrant to Alexandria Equities, LLC

Exhibit 4.4 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?ACT?), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS SET FORTH IN SECTIONS 5.3 AND 5.4 BELOW, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR IN FORM AND SUBSTANCE SATISFACTORY TO THE COMPANY, S

May 30, 2019 EX-10.9

Form of Restated Non-Employee Director Change in Control Agreement between the Registrant and each of its non-employee directors

Exhibit 10.9 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com [Date] [Non-Employee Director Name] [Non-Employee Director Address] [Non-Employee Director Address] Re: Restated Non-Employee Director Change in Control Agreement Dear [Non-Employee Director Name]: On behalf of Adaptive Biotechnologies Corporation (the ?Company?), I am pleased to offer you the following

May 30, 2019 EX-10.5

Amended and Restated Side Letter Agreement among Viking Global Equities LP, Viking Global Equities II LP, VGE III Portfolio Ltd., Viking Long Fund Master Ltd. and the Registrant, dated May 8, 2019

Exhibit 10.5 May 8, 2019 Viking Global Equities II LP Viking Global Equities Master Ltd. Viking Global Opportunities Illiquid Investments Sub-Master LP Viking Long Fund Master Ltd. 55 Railroad Ave. Greenwich, CT 06830 Attention: Katerina Novak Email: [email protected] RE: Amended and Restated Standstill and Support Obligations Reference is made to that certain letter agreement regardin

May 30, 2019 CORRESP

[Remainder of page intentionally blank. Signature page follows.]

DLA Piper LLP (US) 701 Fifth Avenue Suite 6900 Seattle, Washington 98104-7044 www.

May 30, 2019 EX-10.15

Adaptive Biotechnologies Corporation 2009 Equity Incentive Plan and form of award agreement thereunder

Exhibit 10.15 ADAPTIVE BIOTECHNOLOGIES CORPORATION 2009 EQUITY INCENTIVE PLAN TABLE OF CONTENTS Page 1. Establishment, Purpose and Term of Plan 1 1.1 Establishment 1 1.2 Purpose 1 1.3 Term of Plan 1 2. Definitions and Construction 1 2.1 Definitions 1 2.2 Construction 8 3. Administration 8 3.1 Administration by the Committee 8 3.2 Authority of Officers 9 3.3 Administration with Respect to Insiders

May 30, 2019 EX-10.6

Master Services Agreement between ZS Associates, Inc. and the Registrant, dated August 5, 2015, as amended by Amendment No. 1, dated April 24, 2017

Exhibit 10.6 MASTER SERVICES AGREEMENT THIS MASTER SERVICES AGREEMENT (the ?Agreement?) effective this 5th day of August, 2015 (the ?Effective Date?), is made and entered into by and between Adaptive Biotechnologies Corporation, a Washington corporation having a business address at 1551 Eastlake Avenue East, Suite 200 Seattle, WA 98102, on behalf of itself and its subsidiaries (together with its s

May 30, 2019 EX-4.2

Warrant to Purchase Stock, dated June 5, 2012, issued by the Registrant to Silicon Valley Bank

Exhibit 4.2 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?ACT?), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS SET FORTH IN SECTIONS 5.3 AND 5.4 BELOW, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR IN FORM AND SUBSTANCE SATISFACTORY TO THE COMPANY, S

May 30, 2019 EX-10.13

Form of Indemnification Agreement between the Registrant and each of its directors and executive officers

Exhibit 10.13 ADAPTIVE BIOTECHNOLOGIES CORPORATION INDEMNIFICATION AGREEMENT This Indemnification Agreement (the ?Agreement?) is entered into on , 20 , between Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), and the undersigned officer and/or director of the Company (?Indemnitee?), for good and valuable consideration as set forth below. RECITALS A. The Company recog

May 30, 2019 EX-10.2

Strategic Collaboration Agreement between Microsoft Corporation and the Registrant, dated December 11, 2017

Exhibit 10.2 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. EXECUTION VERSION MICROSOFT ARTIFICIAL INTELLIGENCE & RESEARCH GROUP STRATEGIC COLLABORATION AGREEMENT This Strategic Collaboration Agreement (this ?Agreement?) is made and entered into as of the last signature date written below (the ?E

May 30, 2019 EX-3.1

Amended and Restated Articles of Incorporation of the Registrant, as currently in effect

Exhibit 3.1 CERTIFICATE OF OFFICER REGARDING AMENDED AND RESTATED ARTICLES OF INCORPORATION OF ADAPTIVE BIOTECHNOLOGIES CORPORATION Adaptive Biotechnologies Corporation, a Washington corporation, by Chad M. Robins, its duly elected and qualified Chief Executive Officer, hereby delivers to the Secretary of State of the State of Washington for filing Amended and Restated Articles of Incorporation in

May 30, 2019 S-1

Power of Attorney (included on the signature page)

Table of Contents As filed with the Securities and Exchange Commission on May 30, 2019.

May 30, 2019 EX-3.3

Bylaws of the Registrant, as currently in effect

Exhibit 3.3 BYLAWS OF ADAPTIVE BIOTECHNOLOGIES CORPORATION Originally adopted on September 14, 2009 Amendments are listed on p. i ADAPTIVE BIOTECHNOLOGIES CORPORATION AMENDMENTS TO BYLAWS Article Effect of Amendment Date of Amendment II, Sec. 2.2 Board ratifies, confirms and approves that incorporator set the number of directors comprising the Board initially at one (1) member. 09/14/09 Board rati

May 30, 2019 EX-4.1

Seventh Amended and Restated Investors' Rights Agreement among the Registrant and certain of its shareholders, dated May 30, 2019

Exhibit 4.1 ADAPTIVE BIOTECHNOLOGIES CORPORATION SEVENTH AMENDED AND RESTATED INVESTORS? RIGHTS AGREEMENT May 30, 2019 SEVENTH AMENDED AND RESTATED INVESTORS? RIGHTS AGREEMENT THIS SEVENTH AMENDED AND RESTATED INVESTORS? RIGHTS AGREEMENT (this ?Agreement?) is made as of May 30, 2019, by and between (i) Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), (ii) each of the

May 30, 2019 EX-10.7

Form of Amended and Restated Employment Agreement between the Registrant and certain of its executive officers

Exhibit 10.7 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com , 2019 [Employee Name] [Employee Address] [Employee Address] Re: Employment Agreement Dear [Employee Name]: This letter agreement (this ?Agreement?) confirms the terms of your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?). 1. Title and Cash Compensation Yo

May 30, 2019 EX-10.12

Executive Severance Agreement between the Registrant and Charles Sang, dated May 1, 2019

Exhibit 10.12 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com May 1, 2019 Charles Sang [address] Re: Executive Severance Agreement Dear Charles: This letter agreement (this ?Agreement?) confirms the terms of your severance rights in connection with your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), and supplements

May 30, 2019 EX-10.11

Executive Severance Agreement between the Registrant and Lance Baldo, MD, dated April 22, 2019

Exhibit 10.11 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com April 22, 2019 Lance Baldo, MD [address] Re: Executive Severance Agreement Dear Lance: This letter agreement (this ?Agreement?) confirms the terms of your severance rights in connection with your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), and suppleme

May 8, 2019 EX-10.9

1551 Eastlake Ave E, Ste 200

Exhibit 10.9 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com [Date] [Non-Employee Director Name] [Non-Employee Director Address] [Non-Employee Director Address] Re: Restated Non-Employee Director Change in Control Agreement Dear [Non-Employee Director Name]: On behalf of Adaptive Biotechnologies Corporation (the ?Company?), I am pleased to offer you the following

May 8, 2019 EX-10.2

MICROSOFT ARTIFICIAL INTELLIGENCE & RESEARCH GROUP STRATEGIC COLLABORATION AGREEMENT

Exhibit 10.2 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. EXECUTION VERSION MICROSOFT ARTIFICIAL INTELLIGENCE & RESEARCH GROUP STRATEGIC COLLABORATION AGREEMENT This Strategic Collaboration Agreement (this ?Agreement?) is made and entered into as of the last signature date written below (the ?E

May 8, 2019 EX-10.4

MASTER COLLABORATION AGREEMENT

Exhibit 10.4 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. MASTER COLLABORATION AGREEMENT This Master Collaboration Agreement (this ?Agreement?) is made effective as of July 10, 2015 by and between ADAPTIVE BIOTECHNOLOGIES CORPORATION, a Washington corporation (?Adaptive?), and Adaptimmune Limit

May 8, 2019 EX-10.11

[Signature page follows.]

Exhibit 10.11 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com , 2019 [Employee Name] [Employee Address] [Employee Address] Re: Employment Agreement Dear [Employee Name]: This letter agreement (this ?Agreement?) confirms the terms of your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?). 1. Title and Cash Compensation Y

May 8, 2019 EX-10.13

[Signature page follows.]

Exhibit 10.13 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com May 1, 2019 Chad Cohen [address] Re: Executive Severance Agreement Dear Chad: This letter agreement (this ?Agreement?) confirms the terms of your severance rights in connection with your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), and supplements that

May 8, 2019 EX-10.1

STRATEGIC COLLABORATION AND LICENSE AGREEMENT

Exhibit 10.1 Certain information has been excluded from this exhibit because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. CONFIDENTIAL EXECUTION COPY STRATEGIC COLLABORATION AND LICENSE AGREEMENT THIS STRATEGIC COLLABORATION AND LICENSE AGREEMENT (?Agreement?) is made and entered into as of December 19, 2018 (?Execution Date?), by and between Adaptive Biote

May 8, 2019 EX-10.14

[Signature page follows.]

Exhibit 10.14 ? 1551 Eastlake Ave E, Ste 200 Seattle, WA 98102 206.659.0067 adaptivebiotech.com April 22, 2019 Lance Baldo, MD [address] Re: Executive Severance Agreement Dear Lance: This letter agreement (this ?Agreement?) confirms the terms of your severance rights in connection with your employment with Adaptive Biotechnologies Corporation, a Washington corporation (the ?Company?), and suppleme

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