HLVX / HilleVax, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

HilleVax, Inc.
US ˙ NasdaqGS ˙ US43157M1027

Mga Batayang Estadistika
CIK 1888012
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 HilleVax, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 18, 2025 EX-FILING FEES

Table 1: Transaction Valuation

Calculation of Filing Fee Tables Table 1: Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to be Paid 1 $ 105,094,400.

August 18, 2025 EX-99.(D)(2)

MUTUAL NONDISCLOSURE AGREEMENT

EX-99.(d)(2) Exhibit (d) (2) MUTUAL NONDISCLOSURE AGREEMENT This Mutual Nondisclosure Agreement (the “Agreement”), dated as of December 2, 2024 is between HilleVax, Inc., a Delaware corporation (“Company”), whose address for notices under this Agreement is 321 Harrison Ave, Suite 500, Boston, MA 02118, and XOMA (US) LLC, a Delaware limited liability company (the “Other Party”), whose address is 22

August 18, 2025 EX-99.(E)(15)

HilleVax, Inc. Consulting Agreement Effective Date: December 23, 2024

EX-99.(e)(15) Exhibit (e)(15) HilleVax, Inc. Consulting Agreement Effective Date: December 23, 2024 This Consulting Agreement (the “Agreement”) is made as of the Effective Date set forth above by and between HilleVax Inc., a Delaware corporation (“Client”) and the consultant named on the signature page hereto (“Consultant”). 1. Engagement of Services. Subject to the terms of this Agreement, Consul

August 18, 2025 EX-99.(E)(13)

HilleVax, Inc. Consulting Agreement Effective Date: December 23, 2024

EX-99.(e)(13) Exhibit (e)(13) HilleVax, Inc. Consulting Agreement Effective Date: December 23, 2024 This Consulting Agreement (the “Agreement”) is made as of the Effective Date set forth above by and between HilleVax Inc., a Delaware corporation (“Client”) and the consultant named on the signature page hereto (“Consultant”). 1. Engagement of Services. Subject to the terms of this Agreement, Consul

August 18, 2025 SC 14D9

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 HILLEVAX, INC. (Name of Subject Company) HILLEVAX, INC. (Name o

SC 14D9 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 18, 2025 EX-99.(A)(1)(B)

Letter of Transmittal To Tender Direct Registered Shares of Common Stock HILLEVAX, INC. a Delaware corporation A Price per Share of $1.95, Plus One Non-Transferable Contractual Contingent Value Right (“CVR”) for Each Share, Which Represents the Right

EX-99.(a)(1)(B) Exhibit (a)(1)(B) Letter of Transmittal To Tender Direct Registered Shares of Common Stock of HILLEVAX, INC. a Delaware corporation at A Price per Share of $1.95, Plus One Non-Transferable Contractual Contingent Value Right (“CVR”) for Each Share, Which Represents the Right to Receive Potential Payments, in Cash, Contingent upon Receipt of Any CVR Proceeds, as Described in the Offe

August 18, 2025 EX-99.(E)(14)

AFFIRMATION OF RELEASE OF CLAIMS

EX-99.(e)(14) Exhibit (e)(14) December 4, 2024 BY EMAIL Sean McLoughlin 27 Cranberry Lane Delran, NJ 08075 Dear Sean: This letter agreement (“Agreement”) confirms the terms of your separation from HilleVax, Inc. (“HilleVax” or the “Company”).1 Unless you rescind your assent as set forth below, this Agreement shall be effective, final and binding upon the expiration of the applicable Revocation Per

August 18, 2025 EX-99.(A)(1)(D)

Offer to Purchase All Outstanding Shares of Common Stock HILLEVAX, INC. A Price per Share of $1.95, Plus One Non-Transferable Contractual Contingent Value Right (“CVR”) for Each Share, Which Represents the Right to Receive Potential Payments, in Cash

EX-99.(a)(1)(D) Exhibit (a)(1)(D) Offer to Purchase All Outstanding Shares of Common Stock of HILLEVAX, INC. At A Price per Share of $1.95, Plus One Non-Transferable Contractual Contingent Value Right (“CVR”) for Each Share, Which Represents the Right to Receive Potential Payments, in Cash, Contingent upon Receipt of Any CVR Proceeds, as Described in the CVR Agreement Pursuant to the Offer to Purc

August 18, 2025 SC TO-T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, INC. (Name of Subject Company (Issuer)) XRA 4 CORP. (Name o

SC TO-T UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, INC. (Name of Subject Company (Issuer)) XRA 4 CORP. (Name of Filing Persons (Co-Offeror)) XOMA ROYALTY CORPORATION (Name of Filing Persons (Co-Offeror)) Common Stock, Par Value $0.0001 Per Share (Title

August 18, 2025 EX-99.(A)(1)(C)

Offer to Purchase All Outstanding Shares of Common Stock HILLEVAX, INC. A Delaware corporation A Price per Share of $1.95, Plus One Non-Transferable Contractual Contingent Value Right (“CVR”) for Each Share, Which Represents the Right to Receive Pote

EX-99.(a)(1)(C) Exhibit (a)(1)(C) Offer to Purchase All Outstanding Shares of Common Stock of HILLEVAX, INC. A Delaware corporation at A Price per Share of $1.95, Plus One Non-Transferable Contractual Contingent Value Right (“CVR”) for Each Share, Which Represents the Right to Receive Potential Payments, in Cash, Contingent upon Receipt of Any CVR Proceeds, as Described in the CVR Agreement Pursua

August 18, 2025 EX-99.(E)(12)

AFFIRMATION OF RELEASE OF CLAIMS

EX-99.(e)(12) Exhibit (e)(12) Aditya Kohli December 4, 2024 Page 1 of 9 December 4, 2024 BY EMAIL Aditya Kohli 1 Prospect Park West Apartment 7C Brooklyn, NY 11215 Dear Aditya: This letter agreement (“Agreement”) confirms the terms of your separation from HilleVax, Inc. (“HilleVax” or the “Company”).1 Unless you rescind your assent as set forth below, this Agreement shall be effective, final and b

August 18, 2025 EX-99.(A)(1)(A)

Offer to Purchase All Outstanding Shares of Common Stock HILLEVAX, INC. A Price per Share of $1.95, Plus One Contingent Value Right (“CVR”), Which Represents the Right to Receive Potential Payments, in Cash, Contingent upon Receipt of Any CVR Proceed

EX-99.(a)(1)(A) Exhibit (a)(1)(A) Offer to Purchase All Outstanding Shares of Common Stock of HILLEVAX, INC. at A Price per Share of $1.95, Plus One Contingent Value Right (“CVR”), Which Represents the Right to Receive Potential Payments, in Cash, Contingent upon Receipt of Any CVR Proceeds, as Described in the CVR Agreement by XRA 4 CORP. and XOMA ROYALTY CORPORATION THE OFFER AND WITHDRAWAL RIGH

August 6, 2025 EX-10.1

Non-Employee Director Compensation Program

Exhibit 10.1 HilleVax, Inc. Non-Employee Director Compensation Program (Amended and Restated Effective June 23, 2025) Non-employee members of the board of directors (the “Board”) of HilleVax, Inc. (the “Company”) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in this Program sha

August 6, 2025 EX-99.1

Press Release regarding the Company’s Second Quarter 2025 Financial Results, dated August 6, 2025

EX-99.1 Exhibit 99.1 HilleVax Reports Second Quarter 2025 Financial Results BOSTON, August 6, 2025 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended June 30, 2025. Second Quarter Financial Results As of June 30, 2025 and December 31, 2024, the company had cash,

August 6, 2025 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, 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: 001-41365 HILLEVAX, INC.

August 6, 2025 SC14D9C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT PURSUANT TO SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, Inc. (Name of Subject Company) HILLEVAX, Inc. (

SC14D9C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT PURSUANT TO SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, Inc. (Name of Subject Company) HILLEVAX, Inc. (Name of Person(s) Filing Statement) Common Stock, $0.0001 par value per share (Title of Class of Securities) 43157M 102 (CUSIP Number of Commo

August 6, 2025 EX-99.1

HilleVax Reports Second Quarter 2025 Financial Results

Exhibit 99.1 HilleVax Reports Second Quarter 2025 Financial Results BOSTON, August 6, 2025 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended June 30, 2025. Second Quarter Financial Results As of June 30, 2025 and December 31, 2024, the company had cash, cash eq

August 6, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits. (d) 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 06, 2025 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 4, 2025 SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, INC. (Name of Subject Company (Issuer)) XOMA

SC TO-C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, INC. (Name of Subject Company (Issuer)) XOMA ROYALTY CORPORATION (Name of Filing Persons (Offeror 1)) XRA 4 CORP. (Name of Filing Persons (Offeror 2)) Common Stock, Par Value $0.0001 Per

August 4, 2025 EX-99.1

Press Release issued by XOMA Royalty Corporation on August 4, 2025.

EX-99.1 Exhibit 99.1 HilleVax Enters into a Definitive Agreement to be Acquired by XOMA Royalty for $1.95 in Cash per Share Plus a Contingent Value Right BOSTON, Mass,. and EMERYVILLE, Calif., August 4, 2025 (GLOBE NEWSWIRE) – HilleVax, Inc. (“HilleVax” or “the Company”) (NASDAQ: HLVX) and XOMA Royalty Corporation (“XOMA Royalty”) (NASDAQ: XOMA) announced today they have entered into a definitive

August 4, 2025 EX-2.1

Agreement and Plan of Merger, dated August 4, 2025 by and among XOMA Royalty Corporation, XRA 4 Corp., and HilleVax, Inc.

EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER DATED AS OF AUGUST 4, 2025 AMONG XOMA ROYALTY CORPORATION XRA 4 CORP. AND HILLEVAX, INC. TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 SECTION 1.01 Definitions 2 SECTION 1.02 Interpretation and Rules of Construction 15 ARTICLE II THE OFFER 16 SECTION 2.01 The Offer 16 SECTION 2.02 Company Actions 20 ARTICLE III THE MERGER 21 SECTION 3.01 The Merger

August 4, 2025 EX-99.1

HilleVax Enters into a Definitive Agreement to be Acquired by XOMA Royalty for $1.95 in Cash per Share Plus a Contingent Value Right

EX-99.1 Exhibit 99.1 HilleVax Enters into a Definitive Agreement to be Acquired by XOMA Royalty for $1.95 in Cash per Share Plus a Contingent Value Right BOSTON, Mass,. and EMERYVILLE, Calif., August 4, 2025 (GLOBE NEWSWIRE) – HilleVax, Inc. (“HilleVax” or “the Company”) (NASDAQ: HLVX) and XOMA Royalty Corporation (“XOMA Royalty”) (NASDAQ: XOMA) announced today they have entered into a definitive

August 4, 2025 SC14D9C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT PURSUANT TO SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, Inc. (Name of Subject Company) HILLEVAX, Inc. (

SC14D9C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 SOLICITATION/RECOMMENDATION STATEMENT PURSUANT TO SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 HILLEVAX, Inc. (Name of Subject Company) HILLEVAX, Inc. (Name of Person(s) Filing Statement) Common Stock, $0.0001 par value per share (Title of Class of Securities) 43157M 102 (CUSIP Number of Commo

August 4, 2025 EX-10.1

Sublease Agreement, dated July 31, 2025, by and between HilleVax, Inc. and Stellaromics, Inc.

EX-10.1 Exhibit 10.1 SUBLEASE AGREEMENT THIS AGREEMENT, dated as of July 31, 2025 (“Sublease”) is between HILLEVAX, INC., a Delaware corporation, (“Sublandlord”) and STELLAROMICS, INC., a Delaware corporation, having an address at 321 Harrison Avenue, 6th Floor, Boston, MA 02118 (“Subtenant”). W I T N E S S E T H: WHEREAS, by lease dated as of March 14, 2022 (the “Lease”), Sublandlord leased from

August 4, 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 earliest event reported): July 31, 2025 HILLEVAX, INC. (Exact

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 earliest event reported): July 31, 2025 HILLEVAX, INC. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Number)

June 25, 2025 8-K

FORM 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 23, 2025 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 8, 2025 EX-99.1

HilleVax Reports First Quarter 2025 Financial Results and Highlights Recent Company Progress $159.5 million of cash, cash equivalents and marketable securities as of March 31, 2025 The company is exploring the potential for continued development of i

Exhibit 99.1 HilleVax Reports First Quarter 2025 Financial Results and Highlights Recent Company Progress $159.5 million of cash, cash equivalents and marketable securities as of March 31, 2025 The company is exploring the potential for continued development of its norovirus vaccine candidates in adults as well as business development related activities and other strategic alternatives BOSTON, May

May 8, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits. (d) 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 08, 2025 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Number

May 8, 2025 EX-10.1

Non-Employee Director Compensation Program

Exhibit 10.1 HilleVax, Inc. Non-Employee Director Compensation Program (Amended and Restated Effective June 6, 2024) Non-employee members of the board of directors (the “Board”) of HilleVax, Inc. (the “Company”) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in this Program shal

May 8, 2025 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, 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: 001-41365 HILLEVAX, INC.

April 30, 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 (Amendment No. )

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 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

April 30, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

March 28, 2025 EX-21.1

List of Subsidiaries of the Registrant

Exhibit 21.1 List of Subsidiaries of HilleVax, Inc. Name Jurisdiction of Incorporation or Organization HilleVax Securities Corporation Massachusetts

March 28, 2025 EX-99.1

HilleVax Reports Full Year 2024 Financial Results and Highlights Recent Company Progress $171.4 million of cash, cash equivalents and marketable securities as of December 31, 2024 The company is exploring the potential for continued development of it

Exhibit 99.1 HilleVax Reports Full Year 2024 Financial Results and Highlights Recent Company Progress $171.4 million of cash, cash equivalents and marketable securities as of December 31, 2024 The company is exploring the potential for continued development of its norovirus vaccine candidates in adults as well as business development related activities and other strategic alternatives BOSTON, Marc

March 28, 2025 EX-19.1

Insider Trading Compliance Policy and Procedures

Exhibit 19.1 Revised Insider Trading Compliance Policy and Procedures Federal and state laws prohibit trading in the securities of a company while in possession of material nonpublic information and in breach of a duty of trust or confidence. These laws also prohibit anyone who is aware of material nonpublic information from providing this information to others who may trade. Violating such laws c

March 28, 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: 001-41365 HILLEVAX, INC.

March 28, 2025 EX-10.15

Form of Retention Bonus Letter

Exhibit 10.15 HilleVax, Inc. [], 2025 [Name] Dear [Name]: Your continued leadership is important to the financial growth and success of HilleVax, Inc. (the “Company”). The Company is currently evaluating various strategic alternatives, including a potential reverse merger transaction (such reverse merger transaction, a “Transaction”). As such, the Company is proactively establishing this retention

March 28, 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

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 28, 2025 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numb

December 5, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Costs Associated with Exit or Disposal Activities

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): December 04, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File N

November 14, 2024 SC 13G/A

HLVX / HilleVax, Inc. / Deep Track Capital, LP Passive Investment

SC 13G/A 1 deeptrack-hlvx093024a2.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* HilleVax, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 43157M102 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the a

November 14, 2024 SC 13G/A

HLVX / HilleVax, Inc. / Flynn James E Passive Investment

SC 13G/A 1 e664014sc13ga-hillevax.htm SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 3)* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M102 (CUSIP Number) September 30, 202

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: 001-41365 HILLEVAX, INC.

November 7, 2024 EX-99.1

HilleVax Reports Third Quarter 2024 Financial Results and Highlights Recent Company Progress $189.3 million of cash, cash equivalents and marketable securities as of September 30, 2024 The company is exploring the potential for continued development

Exhibit 99.1 HilleVax Reports Third Quarter 2024 Financial Results and Highlights Recent Company Progress $189.3 million of cash, cash equivalents and marketable securities as of September 30, 2024 The company is exploring the potential for continued development of its norovirus vaccine candidates in adults as well as business development related activities and other strategic alternatives BOSTON,

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 07, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File N

October 16, 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

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 15, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Nu

August 9, 2024 EX-99.1

HilleVax Reports Second Quarter 2024 Financial Results and Highlights Recent Company Progress $245.0 million of cash, cash equivalents and marketable securities as of June 30, 2024 The company is exploring the potential for continued development of i

Exhibit 99.1 HilleVax Reports Second Quarter 2024 Financial Results and Highlights Recent Company Progress $245.0 million of cash, cash equivalents and marketable securities as of June 30, 2024 The company is exploring the potential for continued development of its HIL-214 and HIL-216 norovirus vaccine candidates in adults BOSTON, August 8, 2024 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage bi

August 9, 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 08, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 9, 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: 001-41365 HILLEVAX, INC.

July 31, 2024 8-K

Costs Associated with Exit or Disposal Activities

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 26, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 23, 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

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 19, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 22, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 ex991.htm EXHIBIT 99.1 Exhibit 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock, $0.0001 par value per share, of HilleVax, Inc. and further agree to the filing of this agr

July 22, 2024 SC 13G

HLVX / HilleVax, Inc. / TANG CAPITAL PARTNERS LP Passive Investment

Securities and Exchange Commission Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

July 8, 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): July 8, 2024 HilleVax, Inc. (Exac

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 8, 2024 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Number

June 10, 2024 EX-3.1

Certificate of Amendment of Amended and Restated Certificate of Incorporation, dated June 7, 2024

Exhibit 3.1 CERTIFICATE OF AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF HILLEVAX, INC. HilleVax, Inc. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows: 1. The name of the Corporation is HilleVax, Inc. The Corporation was incorporated under the name MokshaCo, Inc. by

June 10, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, 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 06, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 31, 2024 SC 13D/A

HLVX / HilleVax, Inc. / Frazier Life Sciences Public Fund, L.P. - SC 13D/A Activist Investment

SC 13D/A 1 d798804dsc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4)* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M 102 (CUSIP Number) Steve R. Bailey 601 Union Street, Suite 3200 Seattle, WA 98101 Telephone: (206) 621-7200 (Name, Address and Telep

May 31, 2024 EX-99.A

Page 2

EX-99.A 2 d798804dex99a.htm EX-99.A EXHIBIT A AGREEMENT Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need to be filed with respect to the ownership by each of the undersigned of shares of Common Stock of HilleVax, Inc. Date: May 31, 2024 FRAZIER LIFE SCIENCES PUBLIC F

May 9, 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 09, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Number

May 9, 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: 001-41365 HILLEVAX, INC.

May 9, 2024 EX-99.1

HilleVax Reports First Quarter 2024 Financial Results and Highlights Recent Company Progress Topline data from NEST-IN1 Phase 2B clinical study of HIL-214 in infants expected in mid-2024 $272.7 million of cash, cash equivalents and marketable securit

Exhibit 99.1 HilleVax Reports First Quarter 2024 Financial Results and Highlights Recent Company Progress Topline data from NEST-IN1 Phase 2B clinical study of HIL-214 in infants expected in mid-2024 $272.7 million of cash, cash equivalents and marketable securities as of March 31, 2024 BOSTON, May 9, 2024 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on devel

May 7, 2024 CORRESP

HilleVax, Inc. 321 Harrison Avenue Boston, MA 02118

HilleVax, Inc. 321 Harrison Avenue Boston, MA 02118 May 7, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: HilleVax, Inc. Registration Statement on Form S-3 File No. 333-278110 To the addressees set forth above: Pursuant to Rule 461 of Regulation C of the General Rules and Regulations under the Securities Act of 1

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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

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 (Amendment No. )

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 (Amendment No. ) Filed by the Registrant x 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))  Defin

April 12, 2024 PRE 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 (Amendment No. )

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 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: xPreliminary Proxy Statement ¨Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨Defin

March 20, 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: 001-41365 HILLEVAX, INC.

March 20, 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): March 20, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numb

March 20, 2024 EX-4.5

Form of Indenture

Exhibit 4.5 HILLEVAX, INC. INDENTURE Dated as of , 20 [] Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions 4 Section 1.3. Incorporation by Reference of Trust Indenture Act 4 Section 1.4. Rules of Construction 5 ARTICLE II. THE SECURITIES 5 Section 2.1. Issuable in Series 5 Section 2.2. Establishment of T

March 20, 2024 EX-99.1

HilleVax Reports Full Year 2023 Financial Results and Highlights Recent Company Progress Topline data from NEST-IN1 Phase 2B clinical study of HIL-214 in infants expected in mid-2024 Enrollment for NEST-IN1 study completed in Q2 2023 $303.5 million o

Exhibit 99.1 HilleVax Reports Full Year 2023 Financial Results and Highlights Recent Company Progress Topline data from NEST-IN1 Phase 2B clinical study of HIL-214 in infants expected in mid-2024 Enrollment for NEST-IN1 study completed in Q2 2023 $303.5 million of cash, cash equivalents and marketable securities as of December 31, 2023 BOSTON, March 20, 2024 – HilleVax, Inc. (Nasdaq: HLVX), a clin

March 20, 2024 EX-97

Policy Relating to Recovery of Erroneously Awarded Compensation

Exhibit 97 HILLEVAX, INC. POLICY FOR RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION HilleVax, Inc. (the “Company”) has adopted this Policy for Recovery of Erroneously Awarded Compensation (the “Policy”), effective as of November 9, 2023 (the “Effective Date”). Capitalized terms used in this Policy but not otherwise defined herein are defined in Section 11. 1. Persons Subject to Policy This Policy sh

March 20, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) HilleVax, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation  or Carry Forward Rule Amount Registered  Proposed Maximum  Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate(4) Amount of Registration  Fee(4

March 20, 2024 EX-21.1

List of Subsidiaries of the Registrant

Exhibit 21.1 List of Subsidiaries of HilleVax, Inc. Name Jurisdiction of Incorporation or Organization HilleVax Securities Corporation Massachusetts

March 20, 2024 S-3

As filed with the Securities and Exchange Commission on March 20, 2024

Table of Contents As filed with the Securities and Exchange Commission on March 20, 2024 Registration No.

March 20, 2024 EX-10.7

Third Amended and Restated Employment Letter Agreement, dated as of February 19, 2024, by and between Aditya Kohli and the Registrant

Exhibit 10.7 HilleVax, Inc. February 19, 2024 Aditya Kohli, Ph.D. Re: Third Amended and Restated Employment Offer Letter Dear Dr. Kohli: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this third amended and restated offer letter (this “Agreement”). This Agreement is entered into effective February 19, 2024 and amends and restates in its enti

March 20, 2024 EX-10.11

Employment Letter Agreement, dated as of January 16, 2024, by and between Sean McLoughlin

Exhibit 10.11 HilleVax, Inc. January 16, 2024 Sean McLoughlin Re: Employment Offer Letter Dear Sean: HilleVax, Inc. (the “Company”) is pleased to offer you a position on the terms set forth in this letter (this “Agreement”), effective as of January 16, 2024. • Duties. You shall serve and shall perform such duties as are customarily associated with the position of Chief Operating Officer, and such

February 14, 2024 SC 13G/A

HLVX / HilleVax, Inc. / Deep Track Capital, LP Passive Investment

SC 13G/A 1 deeptrack-hlvx123123a1.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* HilleVax, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 43157M102 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the ap

February 14, 2024 EX-99.1

Exhibit 1: Joint filing agreement

EX-99.1 2 tm245429d12ex1.htm EXHIBIT 1 EXHIBIT 1 AGREEMENT This Joint Filing Agreement, dated as of February 14, 2024, is by and among RA Capital Management, L.P., Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund, L.P. (the foregoing are collectively referred to herein as the “Filers”). Each of the Filers may be required to file with the United States Securities and Exchange Commissio

February 14, 2024 SC 13G/A

HLVX / HilleVax, Inc. / Lightspeed Venture Partners Select IV, L.P. - SC 13G/A Passive Investment

SC 13G/A 1 tm245429d40sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* HilleVax, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 43157M102 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check th

February 14, 2024 SC 13G/A

HLVX / HilleVax, Inc. / RA CAPITAL MANAGEMENT, L.P. - SC 13G/A Passive Investment

SC 13G/A 1 tm245429d12sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* HILLEVAX, INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 43157M 102 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check t

February 12, 2024 SC 13G/A

HLVX / HilleVax, Inc. / Flynn James E Passive Investment

SC 13G/A 1 e619245sc13ga-hillevax.htm SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2)* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M102 (CUSIP Number) December 31, 2023

February 12, 2024 EX-24

POWER OF ATTORNEY

EX-24 2 d714950dex24.htm EX-24 Exhibit 24 POWER OF ATTORNEY The undersigned understands that, from time to time, the Carlyle Companies (defined below) are required to prepare, execute, and file certain federal and state securities laws filings. Know all by these presents, that the undersigned hereby constitutes and appoints each of Jeffrey Ferguson, Jeremy Anderson, Chintan Bhatt, Anne Frederick,

February 12, 2024 SC 13G/A

HLVX / HilleVax, Inc. / Carlyle Group Inc. - SC 13G/A Passive Investment

SC 13G/A 1 d714950dsc13ga.htm SC 13G/A Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* HilleVax, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share

January 18, 2024 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): January 16, 2024 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 8, 2024 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, 2024 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Num

January 8, 2024 EX-99.1

HilleVax January 2024 Norovirus has a high disease burden and unmet need Clinical PoC demonstrated in adults and near-term large Phase IIb infant readout in mid-2024 Multi-billion dollar commercial opportunity Strong capital position with $324.4M in

Corporate presentation January 2024 Exhibit 99.1 We caution you that this presentation contains forward-looking statements of HilleVax, Inc. (“HilleVax,” “we,” “us” or similar terms). All statements other than statements of historical facts contained in this presentation, including statements regarding our future results of operations and financial position, business strategy, research and develop

December 8, 2023 EX-3.1

Amended and Restated Bylaws of HilleVax, Inc.

Exhibit 3.1 Amended and Restated Bylaws of HilleVax, Inc. (a Delaware corporation) as of December 8, 2023 | Table of Contents Page ARTICLE I - Corporate Offices 1 1.1 Registered Office 1 1.2 Other Offices 1 ARTICLE II - Meetings of Stockholders 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meeting 1 2.4 Notice of Business to be Brought Before a Meeting 1 2.5 Notice of Nominations for

December 8, 2023 EX-3.2

Amended and Restated Bylaws (marked version)

Exhibit 3.2 Amended and Restated Bylaws of HilleVax, Inc. (a Delaware corporation) as of December 8, 2023 | Table of Contents Page ArticleARTICLE I - Corporate Offices 1 1.1 Registered Office 1 1.2 Other Offices 1 ArticleARTICLE II - Meetings of Stockholders 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meeting 1 2.4 Notice of Business to be Brought beforeBefore a Meeting. 21 2.5 Noti

December 8, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, 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): December 08, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File N

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 09, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File N

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: 001-41365 HILLEVAX, INC.

November 9, 2023 EX-10.1

Second Amendment to Loan and Security Agreement, dated November 9, 2023, by and between the Company and Hercules Capital, Inc.

Exhibit 10.1 SECOND AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS SECOND AMENDMENT TO LOAN AND SECURITY AGREEMENT (this “Amendment”), dated as of November 9, 2023, is entered into by and among HILLEVAX, INC., a Delaware corporation (“HilleVax” or the “Borrower”), the several banks and other financial institutions or entities from time to time parties to the Loan Agreement (each, a “Lender” and col

November 9, 2023 EX-99.1

HilleVax Reports Third Quarter 2023 Financial Results and Highlights Recent Company Progress

Exhibit 99.1 HilleVax Reports Third Quarter 2023 Financial Results and Highlights Recent Company Progress BOSTON, November 9, 2023 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended September 30, 2023, highlighted recent progress and outlined key upcoming milest

September 29, 2023 SC 13G

HLVX / HilleVax Inc / Deep Track Capital, LP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

September 27, 2023 SC 13D/A

HLVX / HilleVax Inc / Frazier Life Sciences Public Fund, L.P. - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3)* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M 102 (CUSIP Number) Steve R. Bailey 601 Union Street, Suite 3200 Seattle, WA 98101 Telephone: (206) 621-7200 (Name, Address and Telephone Number of Person Authoriz

September 20, 2023 EX-99.1

HilleVax Announces Proposed Public Offering of Common Stock

Exhibit 99.1 HilleVax Announces Proposed Public Offering of Common Stock BOSTON, September 19, 2023 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today announced that it intends to offer and sell, subject to market and other conditions, $100.0 million of shares of its common stock in an underwritten public offe

September 20, 2023 424B5

HilleVax, Inc. Attention: Corporate Secretary 321 Harrison Avenue Boston, Massachusetts 021118 (617) 213-5054

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-271892 Prospectus supplement (To prospectus dated May 19, 2023) 8,000,000 shares Common stock We are offering 8,000,000 shares of our common stock. Our common stock is listed on the Nasdaq Global Select Market under the symbol “HLVX.” On September 19, 2023, the last reported sale price for our common stock on the Nasdaq Global

September 20, 2023 EX-99.2

HilleVax Announces Pricing of Public Offering of Common Stock

Exhibit 99.2 HilleVax Announces Pricing of Public Offering of Common Stock BOSTON, September 19, 2023 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today announced the pricing of its public offering of 8,000,000 shares of its common stock at an initial price to the public of $12.50 per share. All of the shares

September 20, 2023 8-K

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 19, 2023 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation or organization) (

September 20, 2023 EX-1.1

Underwriting Agreement, dated September 19, 2023, by and among HilleVax, Inc. and J.P. Morgan Securities LLC and Leerink Partners LLC, as representatives of the several underwriters named therein

Exhibit 1.1 HILLEVAX, INC. 8,000,000 Shares of Common Stock Underwriting Agreement September 19, 2023 J.P. Morgan Securities LLC Leerink Partners LLC As Representatives of the several Underwriters listed in Schedule 1 hereto c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 c/o Leerink Partners LLC 255 California Street, 12th Floor San Francisco, California 94111 Ladies an

September 19, 2023 424B5

HilleVax, Inc. Attention: Corporate Secretary 321 Harrison Avenue Boston, Massachusetts 021118 (617) 213-5054

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-271892 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to the securities has been declared effective by the Securities and Exchange Commission. This preliminary prospectus supplement and the accompanying prospectus a

August 14, 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: 001-41365 HILLEVAX, INC.

August 14, 2023 EX-10.3

Non-Employee Director Compensation Program

Exhibit 10.3 HilleVax, Inc. Non-Employee Director Compensation Program (Amended and Restated Effective June 6, 2023) Non-employee members of the board of directors (the “Board”) of HilleVax, Inc. (the “Company”) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in this Program shal

August 14, 2023 EX-10.2

First Amendment to Loan and Security Agreement, dated June 16, 2023, by and between the Company and Hercules Capital, Inc.

Exhibit 10.2 FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT (this “Amendment”), dated as of June 16, 2023, is entered into by and among HILLEVAX, INC., a Delaware corporation (“HilleVax” or the “Borrower”), the several banks and other financial institutions or entities from time to time parties to the Loan Agreement (each, a “Lender” and collecti

August 14, 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): August 14, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 14, 2023 EX-99.1

HilleVax Reports Second Quarter 2023 Financial Results and Highlights Recent Company Progress

Exhibit 99.1 HilleVax Reports Second Quarter 2023 Financial Results and Highlights Recent Company Progress BOSTON, August 14, 2023 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended June 30, 2023, highlighted recent progress and outlined key upcoming milestones

June 22, 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 16, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

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 07, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 17, 2023 CORRESP

HilleVax, Inc. 75 State Street, Suite 100 – #9995 Boston, MA 02109

CORRESP HilleVax, Inc. 75 State Street, Suite 100 – #9995 Boston, MA 02109 May 17, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: HilleVax, Inc. Registration Statement on Form S-3 File No. 333-271892 To the addressees set forth above: Pursuant to Rule 461 of Regulation C of the General Rules and Regulations under

May 12, 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): May 12, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Number

May 12, 2023 EX-99.1

HilleVax Reports First Quarter 2023 Financial Results and Highlights Recent Company Progress

Exhibit 99.1 HilleVax Reports First Quarter 2023 Financial Results and Highlights Recent Company Progress BOSTON, May 12, 2023 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended March 31, 2023, highlighted recent progress and outlined key upcoming milestones for

May 12, 2023 S-3

As filed with the Securities and Exchange Commission on May 12, 2023

Table of Contents As filed with the Securities and Exchange Commission on May 12, 2023 Registration No.

May 12, 2023 EX-1.2

At-the-Market Equity Offering Sales Agreement, dated May 12, 2023, by and between the Company and Stifel, Nicolaus & Company, Incorporated

Exhibit 1.2 HILLEVAX, INC. Common Stock ($0.0001 par value per share) AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT May 12, 2023 STIFEL, NICOLAUS & COMPANY, INCORPORATED 787 7th Avenue, 11th Floor New York, NY 10019 Ladies and Gentlemen: HilleVax, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time to or thr

May 12, 2023 EX-4.5

Form of Indenture

EX-4.5 Exhibit 4.5 HILLEVAX, INC. INDENTURE Dated as of , 20 [] Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions 4 Section 1.3. Incorporation by Reference of Trust Indenture Act 4 Section 1.4. Rules of Construction 5 ARTICLE II. THE SECURITIES 5 Section 2.1. Issuable in Series 5 Section 2.2. Establishme

May 12, 2023 10-Q

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: 001-41365 HILLEVAX, INC.

May 12, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) HilleVax, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate(4) Amount of Registration Fee(4) Ca

May 10, 2023 DEFA14A

Schedule 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 (Amendment No. ) 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)) ☐ Defin

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 8, 2023 HilleVax, Inc. (Exact

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 8, 2023 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Number)

May 5, 2023 SC 13D/A

HLVX / HilleVax Inc / Frazier Life Sciences Public Fund, L.P. - SC 13D/A Activist Investment

SC 13D/A 1 d398873dsc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M 102 (CUSIP Number) Steve R. Bailey 601 Union Street, Suite 3200 Seattle, WA 98101 Telephone: (206) 621-7200 (Name, Address and Telep

April 28, 2023 DEF 14A

Schedule 14A

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 (Amendment No. ) 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 14

April 28, 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 (Amendment No. )

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 (Amendment No. ) 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 25, 2023 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): April 25, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 18, 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 17, 2023 HilleVax, Inc. (Ex

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 17, 2023 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Numb

March 17, 2023 EX-10

Employment Letter Agreement, dated as of January 6, 2023, by and between Astrid Borkowski and the Registrant

Exhibit 10.10 6 January 2023 Amended and Restated EMPLOYMENT AGREEMENT between HilleVax GmbH c/o Lenz & Staehelin Aktiengesellschaft Brandschenkstrasse 24 8027 Zurich (the “Company”) and Astrid Borkowski (the “Employee”) 1. Position and Responsibilities The Employee is employed as Chief Medical Officer of the Company. The Company has the right to assign other duties and responsibilities to the Emp

March 17, 2023 EX-21

List of Subsidiaries of the Registrant

Exhibit 21.1 List of Subsidiaries of HilleVax, Inc. Name Jurisdiction of Incorporation or Organization HilleVax Securities Corporation Massachusetts

March 17, 2023 10-K

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: 001-41365 HILLEVAX, INC.

March 17, 2023 EX-99

HilleVax Reports Full Year 2022 Financial Results and Highlights Recent Company Progress

Exhibit 99.1 HilleVax Reports Full Year 2022 Financial Results and Highlights Recent Company Progress BOSTON, March 17, 2023 – HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the year ended December 31, 2022, highlighted recent program progress, and outlined key upcoming milesto

March 17, 2023 EX-4

Description of Registered Securities

Exhibit 4.4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, HilleVax, Inc. (“we,” “us” and “our”) had one class of securities registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock. Description of Common Stock General The following descri

March 17, 2023 EX-10

Amended and Restated Employment Letter Agreement, dated as of January 6, 2023, by and between Shane Maltbie and the Registrant

Exhibit 10.9 HILLEVAX, INC. January 6, 2023 Shane Maltbie Re: Amended and Restated Employment Offer Letter Dear Shane: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this amended and restated offer letter (this “Agreement”). This Agreement is entered into effective January 6, 2023 and amends and restates in its entirety the offer letter betw

March 17, 2023 EX-10

Second Amended and Restated Employment Letter Agreement, dated as of January 6, 2023, by and between Aditya Kohli and the Registrant

Exhibit 10.7 HilleVax, Inc. January 6, 2023 Aditya Kohli, Ph.D. Re: Second Amended and Restated Employment Offer Letter Dear Dr. Kohli: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this second amended and restated offer letter (this “Agreement”). This Agreement is entered into effective January 6, 2023 and amends and restates in its entire

March 17, 2023 EX-10

Amended and Restated Employment Letter Agreement, dated January 6, 2023, by and between Robert Hershberg and the Registrant

Exhibit 10.6 HilleVax, Inc. January 6, 2023 Robert Hershberg Re: Amended and Restated Employment Offer Letter Dear Mr. Hershberg: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this amended and restated offer letter (this “Agreement”). This Agreement is entered into effective January 6, 2023 and amends and restates in its entirety the offer

March 17, 2023 EX-10

Second Amended and Restated Employment Letter Agreement, dated as of January 6, 2023, by and between David Socks and the Registrant

Exhibit 10.8 HilleVax, Inc. January 6, 2023 David Socks Re: Second Amended and Restated Employment Offer Letter Dear Mr. Socks: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this second amended and restated offer letter (this “Agreement”). This Agreement is entered into effective January 6, 2023 and amends and restates in its entirety the a

March 17, 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): March 17, 2023 HILLEVAX, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-41365 85-0545060 (State or Other Jurisdiction of Incorporation) (Commission File Numb

February 14, 2023 SC 13G

HLVX / HilleVax Inc / RA CAPITAL MANAGEMENT, L.P. - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* HILLEVAX, INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 43157M 102 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

February 10, 2023 EX-99

JOINT FILING AGREEMENT

EX-99 3 d455330dex99.htm EX-99 Exhibit 99 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the i

February 10, 2023 SC 13G/A

HLVX / HilleVax Inc / Carlyle Group Inc. - SC 13G/A Passive Investment

SC 13G/A 1 d455330dsc13ga.htm SC 13G/A Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1)* HilleVax, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share

February 10, 2023 SC 13G/A

HLVX / HilleVax Inc / Flynn James E Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

February 10, 2023 EX-24

POWER OF ATTORNEY

EX-24 2 d455330dex24.htm EX-24 Exhibit 24 POWER OF ATTORNEY The undersigned understands that, from time to time, the Carlyle Companies (defined below) are required to prepare, execute, and file certain federal and state securities laws filings. Know all by these presents, that the undersigned hereby constitutes and appoints each of Jeffrey Ferguson, Jeremy Anderson, Chintan Bhatt, Anne Frederick,

January 9, 2023 8-K

Regulation FD Disclosure, 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): January 6, 2023 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Num

January 9, 2023 EX-99.1

We caution you that this presentation contains forward-looking statements of HilleVax, Inc. (“HilleVax,” “we,” “us” or similar terms). All statements other than statements of historical facts contained in this presentation, including statements regar

EX-99.1 2 d441047dex991.htm EX-99.1 Corporate presentation January 2023 Exhibit 99.1 We caution you that this presentation contains forward-looking statements of HilleVax, Inc. (“HilleVax,” “we,” “us” or similar terms). All statements other than statements of historical facts contained in this presentation, including statements regarding our future results of operations and financial position, bus

November 10, 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 10, 2022 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File N

November 10, 2022 EX-99.1

HilleVax Reports Third Quarter 2022 Financial Results and Highlights Recent Company Progress

Exhibit 99.1 HilleVax Reports Third Quarter 2022 Financial Results and Highlights Recent Company Progress BOSTON, November 10, 2022 ? HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended September 30, 2022, highlighted recent program progress, and outlined key upcom

November 10, 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: 001-41365 HILLEVAX, INC.

September 8, 2022 SC 13D/A

HLVX / HilleVax Inc / Frazier Life Sciences Public Fund, L.P. - SC 13D/A Activist Investment

SC 13D/A 1 d362896dsc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1)* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M 102 (CUSIP Number) Steve R. Bailey 601 Union Street, Suite 3200 Seattle, WA 98101 Telephone: (206) 621-7200 (Name, Address and Telep

August 31, 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): August 31, 2022 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Num

August 10, 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: 001-41365 HILLEVAX, INC.

August 10, 2022 EX-99.1

HilleVax Reports Second Quarter 2022 Financial Results and Highlights Recent Company Progress

Exhibit 99.1 HilleVax Reports Second Quarter 2022 Financial Results and Highlights Recent Company Progress BOSTON, August 10, 2022 ? HilleVax, Inc. (Nasdaq: HLVX), a clinical-stage biopharmaceutical company focused on developing and commercializing novel vaccines, today reported financial results for the quarter ended June 30, 2022, highlighted recent program progress, and outlined key upcoming mi

August 10, 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 10, 2022 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Num

June 8, 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: 001-41365 HILLEVAX, INC.

June 8, 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): June 8, 2022 HilleVax, Inc. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation) (Commission File Number

June 8, 2022 EX-99.1

HilleVax Reports First Quarter 2022 Financial Results and Highlights Recent Company Progress Initiated Phase 2b Clinical Trial of HIL-214 Vaccine Candidate for the Prevention of Norovirus-Related Acute Gastroenteritis in Infants (NOR-212) Completed U

Exhibit 99.1 HilleVax Reports First Quarter 2022 Financial Results and Highlights Recent Company Progress Initiated Phase 2b Clinical Trial of HIL-214 Vaccine Candidate for the Prevention of Norovirus-Related Acute Gastroenteritis in Infants (NOR-212) Completed Upsized Initial Public Offering Raising $230 Million in Gross Proceeds BOSTON, June 8, 2022 ? HilleVax, Inc. (Nasdaq: HLVX), a clinical-st

May 13, 2022 SC 13G

HLVX / HilleVax Inc / Abingworth LLP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* HILLEVAX, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 43157M102 (CUSIP Number) May 3, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

May 13, 2022 SC 13G

HLVX / HilleVax Inc / Lightspeed Venture Partners Select IV, L.P. - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* HilleVax, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 43157M102 (CUSIP Number) May 3, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

May 9, 2022 EX-1

Identification of the subsidiary which acquired the security being reported on by the parent holding company.

Exhibit 1 Identification of the subsidiary which acquired the security being reported on by the parent holding company.

May 9, 2022 SC 13D

HLVX / HilleVax Inc / TAKEDA PHARMACEUTICAL CO LTD - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.)* HilleVax, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 43157M102 (CUSIP Number) Takeda Pharmaceutical Company Limited 1-1, Nihonbashi-Honcho 2-Chome Chuo-Ku , Tokyo, M0 103-8668, Japan Attn: Yoshihiro Nakag

May 9, 2022 EX-2

Joint Filing Agreement

Exhibit 2 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the Common Stock of HilleVax, Inc.

May 9, 2022 EX-4

Stock Issuance Agreement, dated as of July 2, 2021, by and between HilleVax, Inc. and Takeda Vaccines, Inc.

Exhibit 4 HILLEVAX, INC. STOCK ISSUANCE AGREEMENT THIS STOCK ISSUANCE AGREEMENT (?Agreement?) is made as of July 2, 2021 by and between HILLEVAX, INC., a Delaware corporation (the ?Company?), and TAKEDA VACCINES, INC. (the ?Recipient?) in connection with that certain License Agreement, dated as of July 2, 2021 by and between Recipient and the Company (the ?License Agreement?) together with that ce

May 6, 2022 EX-99.A

Page 1

EXHIBIT A AGREEMENT Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need to be filed with respect to the ownership by each of the undersigned of shares of Common Stock of HilleVax, Inc.

May 6, 2022 SC 13D

HLVX / HilleVax Inc / Frazier Life Sciences Public Fund, L.P. - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* HilleVax, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 43157M 102 (CUSIP Number) Steve R. Bailey Frazier Healthcare Partners 601 Union Street, Suite 3200 Seattle, WA 98101 Telephone: (206) 621-7200 (Name, Address and Telephone Number

May 3, 2022 EX-3.2

Amended and Restated Bylaws of HilleVax, Inc.

Exhibit 3.2 Amended and Restated Bylaws of HilleVax, Inc. (a Delaware corporation) Table of Contents Page Article I?Corporate Offices 1 1.1 Registered Office 1 1.2 Other Offices 1 Article II?Meetings of Stockholders 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meeting 1 2.4 Notice of Business to be Brought before a Meeting 2 2.5 Notice of Nominations for Election to the Board 5 2.6 N

May 3, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, 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): May 3, 2022 HILLEVAX, INC. (Exact name of registrant as specified in its charter) Delaware 001-41365 85-0545060 (State or other jurisdiction of incorporation or organization) (Commiss

May 3, 2022 SC 13G

HLVX / HilleVax Inc / Flynn James E Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

May 3, 2022 EX-3.1

Amended and Restated Certificate of Incorporation of HilleVax, Inc.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF HILLEVAX, INC. HilleVax, Inc. (the ?Corporation?), a corporation organized and existing under the General Corporation Law of the State of Delaware (the ?DGCL?), does hereby certify as follows: 1. The name of the Corporation is HilleVax, Inc. The Corporation was incorporated under the name MokshaCo, Inc. by the filing of its original

April 29, 2022 S-8

As filed with the Securities and Exchange Commission on April 29, 2022

As filed with the Securities and Exchange Commission on April 29, 2022 Registration No.

April 29, 2022 424B4

HilleVax, Inc. Index to Combined Financial Statements Page Report of Independent Registered Public Accounting Firm F-2 Combined Balance Sheets F-3 Combined Statements of Operations F-4 Combined Statements of Stockholders? Deficit F-5 Combined Stateme

Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-264159 11,765,000 shares Common stock This is the initial public offering of shares of common stock by HilleVax, Inc. We are selling 11,765,000 shares of our common stock. The initial public offering price is $17.00 per share. Prior to this offering, there has been no public market for our common stock. Our common stock has be

April 29, 2022 EX-FILING FEES

Calculation of Filing Fee Table

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) HilleVax, Inc. (Exact name of registrant as specified in its charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common stock, $0.

April 28, 2022 S-1MEF

As filed with the Securities and Exchange Commission on April 28, 2022

As filed with the Securities and Exchange Commission on April 28, 2022 Registration No.

April 28, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 3 d352013dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) HilleVax, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate

April 26, 2022 CORRESP

HilleVax, Inc. 75 State Street, Suite 100—#9995 Boston, MA 02109

HilleVax, Inc. 75 State Street, Suite 100?#9995 Boston, MA 02109 April 26, 2022 VIA EDGAR Ms. Jane Park Office of Life Sciences Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street N.E. Washington, D.C. 20549 Re: HilleVax, Inc. Registration Statement on Form S-1 File No. 333-264159 Dear Ms. Park: Pursuant to Rule 461 of Regulation C of the General Rules and Regulati

April 26, 2022 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 HILLEVAX, INC. (Exact name of registrant as specified in its charter) Delaware 85-0545060 (State of incorporation or organization) (I.R.S. Employer Identification No.) 75 State Street, Suite 100 -

April 26, 2022 CORRESP

[Signature Page to Underwriters’ Acceleration Request]

J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 SVB Securities LLC 255 California Street, 12th Floor San Francisco, California 94111 April 26, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, D.C. 20549 Attn: Jane Park Re: HilleVax, Inc. Registration Statement on Form S-1 (File No. 3

April 25, 2022 S-1/A

As filed with the Securities and Exchange Commission on April 25, 2022

Table of Contents As filed with the Securities and Exchange Commission on April 25, 2022 Registration No.

April 25, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 8 d211741dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) HilleVax, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate

April 25, 2022 EX-10.3

HilleVax, Inc. 2022 Employee Stock Purchase Plan

EX-10.3 5 d211741dex103.htm EX-10.3 Exhibit 10.3 HILLEVAX, INC. 2022 EMPLOYEE STOCK PURCHASE PLAN ARTICLE I. PURPOSE The purpose of this Plan is to assist Eligible Employees of the Company and its Designated Subsidiaries in acquiring a stock ownership interest in the Company. The Plan consists of two components: (i) the Section 423 Component and (ii) the Non-Section 423 Component. The Section 423

April 25, 2022 EX-10.2

HilleVax, Inc. 2022 Incentive Award Plan and form of stock option agreement and form of restricted stock unit agreement thereunder

EX-10.2 4 d211741dex102.htm EX-10.2 Exhibit 10.2 HILLEVAX, INC. 2022 INCENTIVE AWARD PLAN ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities and/or equity-linked compensatory opportunities. Capita

April 25, 2022 EX-10.4

Non-Employee Director Compensation Program

Exhibit 10.4 HILLEVAX, INC. NON-EMPLOYEE DIRECTOR COMPENSATION PROGRAM Non-employee members of the board of directors (the ?Board?) of HilleVax, Inc. (the ?Company?) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this ?Program?). The cash and equity compensation described in this Program shall be paid or be made, as applicable, automatic

April 25, 2022 EX-3.1

Certificate of Incorporation, as amended (currently in effect)

EX-3.1 2 d211741dex31.htm EX-3.1 Exhibit 3.1 CERTIFICATE OF INCORPORATION OF MOKSHACO, INC. The undersigned, a natural person (the “Sole Incorporator”), for the purpose of organizing a corporation to conduct the business and promote the purposes hereinafter stated, under the provisions and subject to the requirements of the laws of the State of Delaware hereby certifies that: I. The name of this c

April 18, 2022 S-1/A

As filed with the Securities and Exchange Commission on April 18, 2022

Table of Contents As filed with the Securities and Exchange Commission on April 18, 2022 Registration No.

April 18, 2022 EX-10.12

Loan and Security Agreement, dated April 18, 2022, by and among the Registrant and Hercules Capital, Inc.

Exhibit 10.12 LOAN AND SECURITY AGREEMENT THIS LOAN AND SECURITY AGREEMENT is made and dated as of April 18, 2022 and is entered into by and among HILLEVAX, INC., a Delaware corporation (?HilleVax?), each other Person from time to time party hereto that has delivered a Joinder Agreement pursuant to Section 7.13 from time to time party hereto as a co-borrower (together with HilleVax, individually o

April 18, 2022 EX-1.1

Form of Lock-up Agreement (incorporated by reference to Exhibit D to that certain Underwriting Agreement between the Issuer and the Underwriters (as defined therein) filed as Exhibit 1.1 to the Issuer’s Registration Statement on Form S-1/A filed with the Commission on April 18, 2022).

Exhibit 1.1 HILLEVAX, INC. [?] Shares of Common Stock Underwriting Agreement , 2022 J.P. Morgan Securities LLC SVB Securities LLC As Representatives of the several Underwriters listed in Schedule 1 hereto c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 c/o SVB Securities LLC 255 California Street, 12th Floor San Francisco, CA 94111 Ladies and Gentlemen: HilleVax, Inc., a

April 15, 2022 CORRESP

12670 High Bluff Drive

12670 High Bluff Drive San Diego, California 92130 Tel: +1.858.523.5400 Fax: +1.858.523.5450 www.lw.com FIRM /AFFILIATE OFFICES Beijing Moscow Boston Munich Brussels New York Century City Orange County Chicago Paris Dubai Riyadh FOIA CONFIDENTIAL TREATMENT REQUEST D?sseldorf Rome Frankfurt San Diego The entity requesting confidential treatment is: Hamburg San Francisco Hong Kong Seoul HilleVax, In

April 6, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 19 d211741dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) HilleVax, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate O

April 6, 2022 EX-10.8

Employment Letter Agreement, dated May 1, 2021, by and between Astrid Borkowski and the Registrant

Exhibit 10.8 1 May 2021 EMPLOYMENT AGREEMENT between HilleVax GmbH in Formation c/o Lenz & Staehelin Aktiengesellschaft Brandschenkstrasse 24 8027 Zurich (the ?Company?) and Astrid Borkowski (the ?Employee?) 1. Position and Responsibilities The Employee is employed as Chief Medical Officer of the Company. The Company has the right to assign other duties and responsibilities to the Employee which a

April 6, 2022 EX-2.1

Agreement of Merger, dated as of February 8, 2021, by and among the Registrant, YamadaCo III, Inc. and North Bridge V, Inc.

EX-2.1 2 d211741dex21.htm EX-2.1 Exhibit 2.1 AGREEMENT OF MERGER AGREEMENT OF MERGER, dated as of February 8, 2021 (this “Agreement”), among HilleVax, Inc., a Delaware corporation (“HilleVax”), YamadaCo III, Inc., a Delaware corporation (“YamadaCo”) and North Bridge V, Inc., a Delaware corporation (“North Bridge”). WITNESSETH: WHEREAS, HilleVax is a corporation organized and existing under the law

April 6, 2022 EX-3.2

Bylaws (currently in effect)

Exhibit 3.2 BYLAWS OF MOKSHACO, INC. (A DELAWARE CORPORATION) ARTICLE I OFFICES Section 1. Registered Office. The registered office of the corporation in the State of Delaware shall be 251 Little Falls Drive City of Wilmington, County of New Castle, 19808 or in such other location as the board of directors of the corporation (?Board of Directors?) may from time to time determine or the business of

April 6, 2022 EX-3.3

Form of Amended and Restated Certificate of Incorporation

Exhibit 3.3 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF HILLEVAX, INC. HilleVax, Inc. (the ?Corporation?), a corporation organized and existing under the General Corporation Law of the State of Delaware (the ?DGCL?), does hereby certify as follows: 1. The name of the Corporation is HilleVax, Inc. The Corporation was incorporated under the name MokshaCo, Inc. by the filing of its original

April 6, 2022 EX-10.1

HilleVax, Inc. 2021 Equity Incentive Plan, as amended, including form of stock option agreement and form of restricted stock grant notice and restricted stock agreement thereunder

EX-10.1 10 d211741dex101.htm EX-10.1 Exhibit 10.1 HILLEVAX, INC. 2021 EQUITY INCENTIVE PLAN 1. Purpose. The purpose of the Plan is to advance the interests of the Company’s stockholders by enhancing the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing such persons with equity ownership opportunities and

April 6, 2022 EX-10.11

Transitional Services Agreement, dated December 17, 2021, by and between Takeda Vaccines, Inc. and the Registrant

Exhibit 10.11 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE HILLEVAX, INC. HAS DETERMINED THE INFORMATION (I) IS NOT MATERIAL AND (II) WOULD LIKELY CAUSE COMPETITIVE HARM TO HILLEVAX, INC. IF PUBLICLY DISCLOSED. Dated December 17, 2021 TAKEDA VACCINES, INC. and HILLEVAX, INC. TRANSITIONAL SERVICES AGREEMENT This Transitional Services Agreeme

April 6, 2022 S-1

Power of Attorney (included on signature page)

Table of Contents As filed with the Securities and Exchange Commission on April 6, 2022 Registration No.

April 6, 2022 CORRESP

*********

12670 High Bluff Drive San Diego, California 92130 Tel: +1.858.523.5400 Fax: +1.858.523.5450 www.lw.com FIRM / AFFILIATE OFFICES Austin Moscow Beijing Munich Boston New York Brussels Orange County Century City Paris April 6, 2022 Chicago Riyadh Dubai San Diego VIA EDGAR D?sseldorf San Francisco Frankfurt Seoul Hamburg Shanghai Hong Kong Silicon Valley Ms. Jane Park Houston Singapore Office of Life

April 6, 2022 EX-4.2

Warrant to purchase shares of common stock issued to Takeda Vaccines, Inc., dated July 2, 2021

Exhibit 4.2 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?). THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT PURSUANT TO REGISTRATION OR EXEMPTION THEREFROM. THE SALE OF THE SECURITIES WHICH ARE TH

April 6, 2022 EX-4.3

Note Purchase Agreement, dated August 31, 2021, by and among the Registrant and the other parties party thereto

Exhibit 4.3 HILLEVAX, INC. NOTE PURCHASE AGREEMENT August 31, 2021 TABLE OF CONTENTS Page 1. Definitions 1 2. Terms of the Convertible Notes 7 2.1 Issuance of Convertible Notes 7 2.2 Right to Convert Notes 7 3. Closing Mechanics 9 3.1 Closing 9 3.2 Conditions of Lenders? Obligations at Closing 10 3.3 Conditions of the Company?s Obligations at Closing 10 4. Representations and Warranties of the Com

April 6, 2022 EX-10.10

License Agreement, dated July 2, 2021, by and between Takeda Vaccines, Inc. and the Registrant

Exhibit 10.10 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE HILLEVAX, INC. HAS DETERMINED THE INFORMATION (I) IS NOT MATERIAL AND (II) WOULD LIKELY CAUSE COMPETITIVE HARM TO HILLEVAX, INC. IF PUBLICLY DISCLOSED. LICENSE AGREEMENT BY AND BETWEEN TAKEDA VACCINES, INC. AND HILLEVAX, INC. LICENSE AGREEMENT This License Agreement (this ?Agreement

April 6, 2022 EX-10.5

Employment Letter Agreement, dated February 8, 2021, by and between Robert Hershberg and the Registrant

EX-10.5 11 d211741dex105.htm EX-10.5 Exhibit 10.5 HilleVax, Inc. February 8, 2021 Robert Hershberg Re: Employment Offer Letter Dear Mr. Hershberg: HilleVax, Inc. (the “Company”) is pleased to offer you a position on the terms set forth in this letter (this “Agreement”), effective as of February 8, 2021. • DUTIES. You shall serve and shall perform such duties as are customarily associated with the

April 6, 2022 EX-3.1

Certificate of Incorporation, as amended (currently in effect)

Exhibit 3.1 CERTIFICATE OF INCORPORATION OF MOKSHACO, INC. The undersigned, a natural person (the ?Sole Incorporator?), for the purpose of organizing a corporation to conduct the business and promote the purposes hereinafter stated, under the provisions and subject to the requirements of the laws of the State of Delaware hereby certifies that: I. The name of this corporation is MokshaCo, Inc. II.

April 6, 2022 EX-3.4

Form of Amended and Restated Bylaws

Exhibit 3.4 Amended and Restated Bylaws of HilleVax, Inc. (a Delaware corporation) Table of Contents Page Article I?Corporate Offices 1 1.1 Registered Office 1 1.2 Other Offices 1 Article II?Meetings of Stockholders 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meeting 1 2.4 Notice of Business to be Brought before a Meeting 2 2.5 Notice of Nominations for Election to the Board 5 2.6 N

April 6, 2022 EX-4.1

Specimen stock certificate evidencing the shares of common stock

Exhibit 4.1 THIS CERTIFIES THAT is the owner of CUSIP DATED COUNTERSIGNED AND REGISTERED: COMPUTER SHARE TRUST COMPANY, N.A. TRANSFER AGENT AND REGISTRAR, FULLY-PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF Hille Vax, Inc (hereinafter called the ?Company?), transferable on the books of the Company in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. T

April 6, 2022 EX-10.6

Amended and Restated Employment Letter Agreement, dated March 1, 2021, by and between Aditya Kohli and the Registrant

Exhibit 10.6 HilleVax, Inc. May 12, 2021 Aditya Kohli, Ph.D. Re: Amended and Restated Employment Offer Letter Dear Dr. Kohli: HilleVax, Inc. (the ?Company?) is pleased to continue to offer you a position on the terms set forth in this amended and restated offer letter (this ?Agreement?). This Agreement is entered into effective March 1, 2021 and amends and restates in its entirety the offer letter

April 6, 2022 EX-10.7

Amended and Restated Employment Letter Agreement, dated March 1, 2021, by and between David Socks and the Registrant

Exhibit 10.7 HilleVax, Inc. May 12, 2021 David Socks Re: Amended and Restated Employment Offer Letter Dear Mr. Socks: HilleVax, Inc. (the ?Company?) is pleased to continue to offer you a position on the terms set forth in this amended and restated offer letter (this ?Agreement?). This Agreement is entered into effective March 1, 2021 and amends and restates in its entirety the offer letter between

April 6, 2022 EX-10.9

Form of Indemnification Agreement for Directors and Officers

Exhibit 10.9 INDEMNIFICATION AGREEMENT This Indemnification Agreement (?Agreement?) is made as of , 20 by and between HilleVax, Inc., a Delaware corporation (the ?Company?), and , [a member of the Board of Directors/ an officer] of the Company (?Indemnitee?). This Agreement supersedes and replaces any and all previous Agreements between the Company and Indemnitee covering indemnification and advan

February 28, 2022 EX-3.3

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION HILLEVAX, INC.

EX-3.3 2 filename2.htm Exhibit 3.3 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF HILLEVAX, INC. HilleVax, Inc. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows: 1. The name of the Corporation is HilleVax, Inc. The Corporation was incorporated under the name MokshaCo, Inc. by the

February 28, 2022 EX-10.9

INDEMNIFICATION AGREEMENT

EX-10.9 4 filename4.htm Exhibit 10.9 INDEMNIFICATION AGREEMENT This Indemnification Agreement (“Agreement”) is made as of , 20 by and between HilleVax, Inc., a Delaware corporation (the “Company”), and , [a member of the Board of Directors/ an officer] of the Company (“Indemnitee”). This Agreement supersedes and replaces any and all previous Agreements between the Company and Indemnitee covering i

February 28, 2022 DRS/A

As confidentially submitted to the Securities and Exchange Commission on February 28, 2022 as Amendment No. 2 to the draft Registration Statement

Table of Contents As confidentially submitted to the Securities and Exchange Commission on February 28, 2022 as Amendment No.

February 28, 2022 EX-3.4

Amended and Restated Bylaws of HilleVax, Inc. (a Delaware corporation)

Exhibit 3.4 Amended and Restated Bylaws of HilleVax, Inc. (a Delaware corporation) Table of Contents Page Article I?Corporate Offices 1 1.1 Registered Office 1 1.2 Other Offices 1 Article II?Meetings of Stockholders 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meeting 1 2.4 Notice of Business to be Brought before a Meeting 2 2.5 Notice of Nominations for Election to the Board 5 2.6 N

February 28, 2022 EX-10.11

Dated December 17, 2021 TAKEDA VACCINES, INC. HILLEVAX, INC. TRANSITIONAL SERVICES AGREEMENT

EX-10.11 5 filename5.htm Exhibit 10.11 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE HILLEVAX, INC. HAS DETERMINED THE INFORMATION (I) IS NOT MATERIAL AND (II) WOULD LIKELY CAUSE COMPETITIVE HARM TO HILLEVAX, INC. IF PUBLICLY DISCLOSED. Dated December 17, 2021 TAKEDA VACCINES, INC. and HILLEVAX, INC. TRANSITIONAL SERVICES AGREEMENT This Tran

February 28, 2022 DRSLTR

*********

12670 High Bluff Drive San Diego, California 92130 Tel: +1.858.523.5400 Fax: +1.858.523.5450 www.lw.com FIRM / AFFILIATE OFFICES Beijing Moscow Boston Munich Brussels New York Century City Orange County Chicago Paris Dubai Riyadh February 28, 2022 D?sseldorf San Diego Frankfurt San Francisco VIA EDGAR Hamburg Seoul Hong Kong Shanghai Ms. Jane Park Office of Life Sciences Division of Corporation Fi

November 23, 2021 DRSLTR

*********

12670 High Bluff Drive San Diego, California 92130 Tel: +1.858.523.5400 Fax: +1.858.523.5450 www.lw.com FIRM / AFFILIATE OFFICES Beijing Moscow Boston Munich Brussels New York Century City Orange County Chicago Paris Dubai Riyadh November 23, 2021 D?sseldorf San Diego Frankfurt San Francisco VIA EDGAR Hamburg Seoul Hong Kong Shanghai Ms. Jane Park Houston Silicon Valley Office of Life Sciences Lon

November 23, 2021 DRS/A

As confidentially submitted to the Securities and Exchange Commission on November 23, 2021 as Amendment No. 1 to the draft Registration Statement

Table of Contents As confidentially submitted to the Securities and Exchange Commission on November 23, 2021 as Amendment No.

October 19, 2021 EX-10.6

HilleVax, Inc.

EX-10.6 9 filename9.htm Exhibit 10.6 HilleVax, Inc. May 12, 2021 Aditya Kohli, Ph.D. Re: Amended and Restated Employment Offer Letter Dear Dr. Kohli: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this amended and restated offer letter (this “Agreement”). This Agreement is entered into effective March 1, 2021 and amends and restates in its e

October 19, 2021 EX-10.7

HilleVax, Inc.

EX-10.7 10 filename10.htm Exhibit 10.7 HilleVax, Inc. May 12, 2021 David Socks Re: Amended and Restated Employment Offer Letter Dear Mr. Socks: HilleVax, Inc. (the “Company”) is pleased to continue to offer you a position on the terms set forth in this amended and restated offer letter (this “Agreement”). This Agreement is entered into effective March 1, 2021 and amends and restates in its entiret

October 19, 2021 EX-4.2

HILLEVAX, INC. TO PURCHASE SHARES OF COMMON STOCK

EX-4.2 5 filename5.htm Exhibit 4.2 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”). THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT PURSUANT TO REGISTRATION OR EXEMPTION THEREFROM. THE SALE OF THE

October 19, 2021 EX-10.5

HilleVax, Inc.

EX-10.5 8 filename8.htm Exhibit 10.5 HilleVax, Inc. February 8, 2021 Robert Hershberg Re: Employment Offer Letter Dear Mr. Hershberg: HilleVax, Inc. (the “Company”) is pleased to offer you a position on the terms set forth in this letter (this “Agreement”), effective as of February 8, 2021. • DUTIES. You shall serve and shall perform such duties as are customarily associated with the position of P

October 19, 2021 EX-10.12

LICENSE AGREEMENT BY AND BETWEEN TAKEDA VACCINES, INC. HILLEVAX, INC.

EX-10.12 12 filename12.htm Exhibit 10.12 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE PHATHOM PHARMACEUTICALS, INC. HAS DETERMINED THE INFORMATION (I) IS NOT MATERIAL AND (II) WOULD LIKELY CAUSE COMPETITIVE HARM TO PHATHOM PHARMACEUTICALS, INC. IF PUBLICLY DISCLOSED. LICENSE AGREEMENT BY AND BETWEEN TAKEDA VACCINES, INC. AND HILLEVAX, INC.

October 19, 2021 EX-2.1

AGREEMENT OF MERGER

EX-2.1 2 filename2.htm Exhibit 2.1 AGREEMENT OF MERGER AGREEMENT OF MERGER, dated as of February 8, 2021 (this “Agreement”), among HilleVax, Inc., a Delaware corporation (“HilleVax”), YamadaCo III, Inc., a Delaware corporation (“YamadaCo”) and North Bridge V, Inc., a Delaware corporation (“North Bridge”). WITNESSETH: WHEREAS, HilleVax is a corporation organized and existing under the laws of the S

October 19, 2021 EX-3.2

BYLAWS MOKSHACO, INC. (A DELAWARE CORPORATION)

EX-3.2 4 filename4.htm Exhibit 3.2 BYLAWS OF MOKSHACO, INC. (A DELAWARE CORPORATION) ARTICLE I OFFICES Section 1. Registered Office. The registered office of the corporation in the State of Delaware shall be 251 Little Falls Drive City of Wilmington, County of New Castle, 19808 or in such other location as the board of directors of the corporation (“Board of Directors”) may from time to time deter

October 19, 2021 EX-10.8

EMPLOYMENT AGREEMENT

EX-10.8 11 filename11.htm Exhibit 10.8 1 May 2021 EMPLOYMENT AGREEMENT between HilleVax GmbH in Formation c/o Lenz & Staehelin Aktiengesellschaft Brandschenkstrasse 24 8027 Zurich (the “Company”) and Astrid Borkowski (the “Employee”) 1. Position and Responsibilities The Employee is employed as Chief Medical Officer of the Company. The Company has the right to assign other duties and responsibiliti

October 19, 2021 EX-10.1

HILLEVAX, INC. 2021 EQUITY INCENTIVE PLAN

EX-10.1 7 filename7.htm Exhibit 10.1 HILLEVAX, INC. 2021 EQUITY INCENTIVE PLAN 1. Purpose. The purpose of the Plan is to advance the interests of the Company’s stockholders by enhancing the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing such persons with equity ownership opportunities and thereby bett

October 19, 2021 EX-4.3

HILLEVAX, INC. NOTE PURCHASE AGREEMENT August 31, 2021

EX-4.3 6 filename6.htm Exhibit 4.3 HILLEVAX, INC. NOTE PURCHASE AGREEMENT August 31, 2021 TABLE OF CONTENTS Page 1. Definitions 1 2. Terms of the Convertible Notes 7 2.1 Issuance of Convertible Notes 7 2.2 Right to Convert Notes 7 3. Closing Mechanics 9 3.1 Closing 9 3.2 Conditions of Lenders’ Obligations at Closing 10 3.3 Conditions of the Company’s Obligations at Closing 10 4. Representations an

October 19, 2021 DRS

As confidentially submitted to the Securities and Exchange Commission on October 19, 2021

Table of Contents As confidentially submitted to the Securities and Exchange Commission on October 19, 2021 Registration No.

October 19, 2021 EX-3.1

CERTIFICATE OF INCORPORATION MOKSHACO, INC.

EX-3.1 3 filename3.htm Exhibit 3.1 CERTIFICATE OF INCORPORATION OF MOKSHACO, INC. The undersigned, a natural person (the “Sole Incorporator”), for the purpose of organizing a corporation to conduct the business and promote the purposes hereinafter stated, under the provisions and subject to the requirements of the laws of the State of Delaware hereby certifies that: I. The name of this corporation

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