NSTS / NSTS Bancorp, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

NSTS Bancorp, Inc.
US ˙ NasdaqCM ˙ US6293JP1094

Mga Batayang Estadistika
CIK 1881592
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 NSTS Bancorp, 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 14, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact n

June 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 18, 2025 NSTS Bancorp, Inc.

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 18, 2025 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-2

June 18, 2025 EX-99.1

John Pucin Appointed to Board of Directors of NSTS Bancorp, Inc. and North Shore Trust and Savings

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 John Pucin Appointed to Board of Directors of NSTS Bancorp, Inc. and North Shore Trust and Savings Waukegan, IL, June 18, 2025 – NSTS Bancorp, Inc. (the “Company”), the holding company for North Shore Trust and Savings (the “Bank”), announced today th

May 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 21, 2025 NSTS Bancorp, Inc. (

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 21, 2025 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-25

May 14, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact

April 11, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 11, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

March 28, 2025 EX-19.1

Insider Trading Policy

Exhibit 19.1 INSIDER TRADING POLICY This Insider Trading Policy (this “Policy”) describes the standards of NSTS Bancorp, Inc. (the “Company”) and its subsidiaries on trading, and causing the trading of, the Company's securities or securities of certain other publicly traded companies while in possession of confidential information. This Policy is divided into two parts: ● Part I prohibits trading

March 28, 2025 EX-4.1

Description of NSTS Bancorp, Inc.'s securities registered under the Securities Exchange Act of 1934, as amended

Exhibit 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Our common stock is the only class of our securities that is registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The following description of our common stock is a summary and does not purport to be complete. It is subject

March 28, 2025 EX-21.1

Subsidiaries of NSTS Bancorp, Inc.

Exhibit 21.1 Significant Subsidiaries of the Registrant Name Percent Ownership State of Incorporation North Shore Trust and Savings 100 % Federal

March 28, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact name

February 10, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 7, 2025 NSTS Bancorp, In

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 7, 2025 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 8

November 13, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Ex

August 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact n

May 24, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 22, 2024 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-25

May 13, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact

April 22, 2024 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 18, 2024 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-

April 22, 2024 EX-99.1

Emily Ansani Appointed to Board of Directors of NSTS Bancorp, Inc. and North Shore Trust and Savings

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 Emily Ansani Appointed to Board of Directors of NSTS Bancorp, Inc. and North Shore Trust and Savings Waukegan, IL, April 22, 2024 – NSTS Bancorp, Inc. (the “Company”), the holding company for North Shore Trust and Savings (the “Bank”), announced today

April 22, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 5, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 5, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

March 28, 2024 EX-97.1

Policy Concerning Recovery of Erroneously Awarded Compensation

Exhibit 97.1 As Adopted by the Board of Directors on November 16, 2023 POLICY CONCERNING RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION NSTS BANCORP, INC. I. POLICY BACKGROUND This Policy Concerning Recovery of Erroneously Awarded Compensation (“Policy”) is adopted by the NSTS Bancorp, Inc. (“NSTS”) Board of Directors (“Board”) to provide for the recovery, otherwise known as “clawback,” of erroneous

March 28, 2024 EX-4.1

Description of NSTS Bancorp, Inc.'s securities registered under the Securities Exchange Act of 1934, as amended

Exhibit 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Our common stock is the only class of our securities that is registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The following description of our common stock is a summary and does not purport to be complete. It is subject

March 28, 2024 EX-21.1

Subsidiaries of NSTS Bancorp, Inc.

Exhibit 21.1 Significant Subsidiaries of the Registrant Name Percent Ownership State of Incorporation North Shore Trust and Savings 100 % Federal

March 28, 2024 EX-10.1

Amended and Restated Employment Agreement by and among NSTS Bancorp, Inc., North Shore Trust and Savings and Stephen G. Lear dated March 27, 2024*

Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement (“Agreement”) is made and entered into as of the 27th day of March, 2024 (“Effective Date”), by and among NSTS Bancorp, Inc., a Delaware corporation and sole shareholder of the Bank (“NSTS”), North Shore Trust and Savings, a federally chartered stock savings association (“Bank”) (NSTS and the Bank are sometimes referred to collectively as

March 28, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact name

March 28, 2024 EX-10.2

Employment Agreement by and among NSTS Bancorp, Inc., North Shore Trust and Savings and Nathan E. Walker dated March 27, 2024*

Exhibit 10.2 EMPLOYMENT AGREEMENT This Employment Agreement (“Agreement”) is made and entered into as of the 27th day of March, 2024 (“Effective Date”), by and among NSTS Bancorp, Inc., a Delaware corporation and sole shareholder of the Bank (“NSTS”), North Shore Trust and Savings, a federally chartered stock savings association (“Bank”) (NSTS and the Bank are sometimes referred to collectively as

January 31, 2024 SC 13G/A

NSTS / NSTS Bancorp, Inc. / NORTH SHORE TRUST & SAVINGS EMPLOYEE STOCK OWNERSHIP PLAN TRUST - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* NSTS Bancorp, Inc. (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 6293JP 109 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

December 22, 2023 EX-99.1

NSTS Bancorp Announces Balance Sheet Repositioning

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp Announces Balance Sheet Repositioning Waukegan, IL, December 22, 2023 – NSTS Bancorp, Inc. (NASDAQ: NSTS) (the “Company” or “NSTS Bancorp”), the stock holding company of North Shore Trust and Savings, announced today the execution of a ba

December 22, 2023 8-K

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): December 22, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number)

December 21, 2023 EX-99.1

NSTS Bancorp Announces Authorization of Stock Repurchase Program

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp Announces Authorization of Stock Repurchase Program Waukegan, IL, December 21, 2023 – NSTS Bancorp, Inc. (NASDAQ: NSTS) (the “Company” or “NSTS Bancorp”), the stock holding company of North Shore Trust and Savings, announced today that it

December 21, 2023 8-K

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): December 20, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number)

November 13, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Ex

November 3, 2023 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

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 2, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 8

October 6, 2023 EX-99.1

NSTS Bancorp Announces Extension of Stock Repurchase Program

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp Announces Extension of Stock Repurchase Program Waukegan, IL, October 6, 2023 – NSTS Bancorp, Inc. (NASDAQ: NSTS) (the “Company” or “NSTS Bancorp”), the stock holding company of North Shore Trust and Savings, announced today that its Boar

October 6, 2023 8-K

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): October 5, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87

August 11, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact n

June 16, 2023 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 15, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-2

June 16, 2023 EX-99.2

NSTS BANCORP, INC. STOCK OPTION GRANT NOTICE UNDER THE NSTS BANCORP, INC. 2023 EQUITY INCENTIVE PLAN

Exhibit 99.2 NSTS BANCORP, INC. STOCK OPTION GRANT NOTICE UNDER THE NSTS BANCORP, INC. 2023 EQUITY INCENTIVE PLAN NSTS Bancorp, Inc. (the “Company”), pursuant to its 2023 Equity Incentive Plan (the “Plan”), hereby awards to Participant, in consideration for Participant’s past or future services actually or to be rendered to the Company, the right to purchase the number of shares of Stock (the “Sha

June 16, 2023 EX-99.1

NSTS BANCORP, INC. RESTRICTED STOCK AWARD GRANT NOTICE 2023 EQUITY INCENTIVE PLAN

Exhibit 99.1 NSTS BANCORP, INC. RESTRICTED STOCK AWARD GRANT NOTICE 2023 EQUITY INCENTIVE PLAN NSTS Bancorp, Inc. (the “Company”), pursuant to its 2023 Equity Incentive Plan (the “Plan”), hereby awards to Participant, in consideration for Participant’s past or future services actually or to be rendered to the Company, the number of shares of Stock (the “Shares”) set forth below (the “Award”). The

June 12, 2023 EX-FILING FEES

Filing Fee Table*

EXHIBIT 107 FORM S-8 Registration Statement Under the Securities Act of 1933 (Form Type) NSTS BANCORP, INC.

June 12, 2023 S-8

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

As filed with the Securities and Exchange Commission on June 12, 2023. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NSTS BANCORP, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 87-2522769 (State or Other Jurisdiction of Incorporation) (I.R.S. Employer Identificati

May 26, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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): May 24, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-25

May 12, 2023 10-Q

Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2023

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact

April 14, 2023 DEF 14A

NSTS Bancorp, Inc. 2023 Equity Incentive Plan (incorporated by reference to Appendix A to the Proxy Statement for the annual meeting of stockholders filed with the Securities and Exchange Commission on April 14, 2023 (File No. 001-41232)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

March 31, 2023 EX-3.2

Amendment to Article III, Section 12 of the Bylaws of NSTS Bancorp, Inc. (3)

Exhibit 3.2 Amendment to Bylaws of NSTS Bancorp, Inc., effective March 29, 2023 The Bylaws of NSTS Bancorp, Inc. be and hereby are amended by revising Section 12 of Article III thereof in its entirety to read as follows: “Section 12. No person shall be eligible for nomination, election or appointment to the board of directors who is age 75 or older as of the effective date of such nomination, elec

March 31, 2023 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 -12-31 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 29, 2023 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Numb

March 31, 2023 EX-99.1

NSTS Bancorp Announces Authorization of Stock Repurchase Program

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp Announces Authorization of Stock Repurchase Program Waukegan, IL, March 31, 2023 – NSTS Bancorp, Inc. (NASDAQ: NSTS) (the “Company” or “NSTS Bancorp”), the stock holding company of North Shore Trust and Savings, announced today that its B

March 30, 2023 EX-4.1

Description of NSTS Bancorp, Inc.'s securities registered under the Securities Exchange Act of 1934, as amended

Exhibit 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Our common stock is the only class of our securities that is registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The following description of our common stock is a summary and does not purport to be complete. It is subject

March 30, 2023 10-K

Annual Report on Form 10-K for the fiscal year ended December 31, 2022

null Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 30, 2023 EX-21.1

Subsidiaries of NSTS Bancorp, Inc.

Exhibit 21.1 Significant Subsidiaries of the Registrant Name Percent Ownership State of Incorporation North Shore Trust and Savings 100 % Federal

February 6, 2023 SC 13G

NORTH SHORE TRUST & SAVINGS EMPLOYEE STOCK OWNERSHIP PLAN TRUST - SC 13G

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* NSTS Bancorp, Inc. (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 6293JP 109 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate th

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Ex

August 12, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact n

July 26, 2022 EX-99.1

Nathan E. Walker Appointed CEO of North Shore Trust and Savings

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 Nathan E. Walker Appointed CEO of North Shore Trust and Savings Waukegan, IL, July 26, 2022 ? NSTS Bancorp, Inc. (the ?Company?), the holding company for North Shore Trust and Savings (the ?Bank?), announced today that Mr. Nathan E. Walker has been na

July 26, 2022 8-K

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

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 21, 2022 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-2

May 27, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 25, 2022 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-41232 (Commission File Number) 87-25

May 13, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact

April 15, 2022 DEF 14A

UNITED STATES

DEF 14A 1 nsts20220317def14a.htm FORM 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 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

March 22, 2022 EX-10.2

Change in Control Agreement by and between North Shore Trust and Savings and Nathan E. Walker dated January 18, 2022*

Exhibit 10.2 NORTH SHORE TRUST AND SAVINGS Change In Control Severance Agreement THIS CHANGE IN CONTROL SEVERANCE AGREEMENT (the “Agreement”) is entered into as of January 18, 2022 (the “Effective Date”) by and between North Shore Trust and Savings, a federally chartered savings association (“Bank”) and Nathan E. Walker (the “Executive”). WITNESSETH THAT: WHEREAS, the Executive is employed by the

March 22, 2022 EX-10.1

Employment Agreement by and among NSTS Bancorp, Inc., North Shore Trust and Savings and Stephen G. Lear dated January 18, 2022*

EX-10.1 3 ex344563.htm EXHIBIT 10.1 Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement (“Agreement”) is made and entered into as of the 18th day of January, 2022, by and among NSTS Bancorp, Inc., a Delaware corporation and sole shareholder of the Bank (“NSTS”), North Shore Trust and Savings, a federally chartered stock savings association (“Bank”) (NSTS and the Bank are sometimes referred

March 22, 2022 EX-10.4

Change in Control Severance Agreement by and between North Shore Trust and Savings and Amy L. Avakian dated January 18, 2022*(2)

EX-10.4 6 ex344566.htm EXHIBIT 10.4 Exhibit 10.4 NORTH SHORE TRUST AND SAVINGS Change In Control Severance Agreement THIS CHANGE IN CONTROL SEVERANCE AGREEMENT (the “Agreement”) is entered into as of January 18, 2022 (the “Effective Date”) by and between North Shore Trust and Savings, a federally chartered savings association (“Bank”) and Amy L. Avakian (the “Executive”). WITNESSETH THAT: WHEREAS,

March 22, 2022 EX-10.3

Change in Control Severance Agreement by and between North Shore Trust and Savings and Carissa H. Schoolcraft dated January 18, 2022*(2)

EX-10.3 5 ex344565.htm EXHIBIT 10.3 Exhibit 10.3 NORTH SHORE TRUST AND SAVINGS Change In Control Severance Agreement THIS CHANGE IN CONTROL SEVERANCE AGREEMENT (the “Agreement”) is entered into as of January 18, 2022 (the “Effective Date”) by and between North Shore Trust and Savings, a federally chartered savings association (“Bank”) and Carissa H. Schoolcraft (the “Executive”). WITNESSETH THAT:

March 22, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-41232 NSTS BANCORP, INC. (Exact name

March 22, 2022 EX-10.5

Change in Control Severance Agreement by and between North Shore Trust and Savings and Christine E. Stickler dated January 18, 2022*(2)

Exhibit 10.5 NORTH SHORE TRUST AND SAVINGS Change In Control Severance Agreement THIS CHANGE IN CONTROL SEVERANCE AGREEMENT (the “Agreement”) is entered into as of January 18, 2022 (the “Effective Date”) by and between North Shore Trust and Savings, a federally chartered savings association (“Bank”) and Christine E. Stickler (the “Executive”). WITNESSETH THAT: WHEREAS, the Executive is employed by

March 22, 2022 EX-21.1

Subsidiaries of NSTS Bancorp, Inc.

Exhibit 21.1 Significant Subsidiaries of the Registrant Name Percent Ownership State of Incorporation North Shore Trust and Savings 100 % Federal

March 22, 2022 EX-4.1

Description of NSTS Bancorp, Inc.'s securities registered under the Securities Exchange Act of 1934, as amended

EX-4.1 2 ex344562.htm EXHIBIT 4.1 Exhibit 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Our common stock is the only class of our securities that is registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The following description of our common stock is a summary and does not purp

January 19, 2022 EX-1.1

Press Release dated January 18, 2022.

Exhibit 1.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp, Inc. Announces Closing of Conversion and Stock Offering Waukegan, IL, January 18, 2022 – NSTS Bancorp, Inc. (the “Company”), the holding company for North Shore Trust and Savings (the “Bank”), announced today that it had closed its stock

January 19, 2022 8-K

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): January 18, 2022 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 333-259483 (Commission File Number)

January 18, 2022 8-A12B

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 NSTS BANCORP, INC. (Exact Name of Registrant as

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 NSTS BANCORP, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware (State of or Other Jurisdiction of Incorporation or Organization) 87-2522769 (I.R.S. Employer Identification Numbe

January 12, 2022 EX-99.1

NSTS Bancorp, Inc. Announces Expected Closing Date of the Conversion and Stock Offering

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp, Inc. Announces Expected Closing Date of the Conversion and Stock Offering Waukegan, IL, January 12, 2022 – NSTS Bancorp, Inc. (the “Company”), the proposed holding company for North Shore Trust and Savings (the “Bank”), announced today t

January 12, 2022 8-K

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): January 12, 2022 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 333-259483 (Commission File Number)

January 3, 2022 8-K

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): January 3, 2022 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 333-259483 (Commission File Number) 8

January 3, 2022 EX-99.1

NSTS Bancorp, Inc. Announces Completion of Subscription Offering and North Shore MHC’s Member Approval of the Plan of Conversion and the Establishment and Funding of NSTS Charitable Foundation

EX-99.1 2 ex320623.htm EXHIBIT 99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Stephen G. Lear Chairman, President and Chief Executive Officer [email protected] (847) 336-4430 NSTS Bancorp, Inc. Announces Completion of Subscription Offering and North Shore MHC’s Member Approval of the Plan of Conversion and the Establishment and Funding of NSTS Charitable Foundation Waukegan, IL, January

December 23, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 333-259483 NSTS BANCORP, INC. (E

November 12, 2021 424B3

NSTS BANCORP, INC. (Proposed Holding Company for North Shore Trust and Savings) Up to 4,600,000 Shares of Common Stock (Subject to increase to up to 5,290,000 Shares)

PROSPECTUS NSTS BANCORP, INC. (Proposed Holding Company for North Shore Trust and Savings) Up to 4,600,000 Shares of Common Stock (Subject to increase to up to 5,290,000 Shares) NSTS Bancorp, Inc. is offering shares of common stock for sale in connection with the conversion of North Shore MHC from the mutual holding company to stock form of organization. Currently, there are no shares of our commo

November 12, 2021 EX-1.1

Agency Agreement, dated November 10, 2021, by and among the Company, North Shore MHC, NSTS Financial Corporation, North Shore Trust and Savings and Keefe, Bruyette & Woods, Inc.

Exhibit 1.1 NSTS BANCORP, INC. (a Delaware corporation) Up to 4,600,000 Shares of Common Stock (Subject to Increase to 5,290,000 Shares of Common Stock) COMMON STOCK (Par Value $0.01 Per Share) Subscription Price $10.00 Per Share AGENCY AGREEMENT November 10, 2021 Keefe, Bruyette & Woods, Inc. 70 West Madison Street Suite 2401 Chicago, Illinois 60602 Ladies and Gentlemen: NSTS Bancorp, Inc., a Del

November 12, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 10, 2021 NSTS Bancorp, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 333-259483 (Commission File Number)

November 8, 2021 CORRESP

November 8, 2021

November 8, 2021 Securities and Exchange Commission Division of Corporation Finance 100 F Street NE Washington DC.

November 8, 2021 CORRESP

NSTS BANCORP, INC. 700 S. Lewis Avenue Waukegan, Illinois 60085

NSTS BANCORP, INC. 700 S. Lewis Avenue Waukegan, Illinois 60085 November 8, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: John Stickel Re: NSTS Bancorp, Inc. Registration Statement on Form S-1 (Registration Number 333-259483) Request for Acceleration of Effectiveness Dear Mr. Stickel: Pursuant to Rule 461 unde

November 4, 2021 S-1/A

As filed with the Securities and Exchange Commission on November 4 , 2021

As filed with the Securities and Exchange Commission on November 4 , 2021 Registration No.

October 18, 2021 CORRESP

222 North LaSalle Street | Chicago, Illinois 60601 | T +1 312 609 7500 | F +1 312 609 5005 Vedder Price P.C. is affiliated with Vedder Price LLP, which operates in England and Wales, Vedder Price (CA), LLP, which operates in California, and Vedder Pr

Chicago New York Washington, DC London San Francisco Los Angeles Singapore Dallas vedderprice.

October 18, 2021 EX-99.6

Stock Order and Certification Form

Exhibit 99.6 STOCK ORDER FORM SEND OVERNIGHT PACKAGES TO: Stock Information Center c/o Keefe, Bruyette & Woods 18 Columbia Turnpike, Suite 100 Florham Park, NJ 07932 Call us toll-free, at 1-(877) 821-5778 For Internal Use Only BATCH # ORDER # CATEGORY # REC’D O C ORDER DEADLINE & DELIVERY: A Stock Order Form, properly completed and with full payment, must be received (not postmarked) before 1:00 p

October 18, 2021 EX-99.5

Marketing Materials

EX-99.5 5 nsts211106s1ex99-5.htm MARKETING MATERIALS Exhibit 99.5 Dear Valued Member: I am pleased to tell you about an investment opportunity and, just as importantly, to request your vote. Pursuant to a plan of conversion, we intend to convert from the mutual holding company to the stock holding company corporate structure. To accomplish the conversion, NSTS Bancorp, Inc., a newly formed holding

October 18, 2021 EX-1.2

Form of Agency Agreement

NSTS BANCORP, INC. (a Delaware corporation) Up to 4,600,000 Shares of Common Stock (Subject to Increase to 5,290,000 Shares of Common Stock) COMMON STOCK (Par Value $0.01 Per Share) Subscription Price $10.00 Per Share AGENCY AGREEMENT , 2021 Keefe, Bruyette & Woods, Inc. 70 West Madison Street Suite 2401 Chicago, Illinois 60602 Ladies and Gentlemen: NSTS Bancorp, Inc., a Delaware corporation (“NST

October 18, 2021 S-1/A

As filed with the Securities and Exchange Commission on October 18 , 2021

S-1/A 1 nsts211106s-1a.htm FORM S-1/A As filed with the Securities and Exchange Commission on October 18 , 2021 Registration No. 333- 259483 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 PRE-EFFECTIVE AMENDMENT NO.1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NSTS BANCORP, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware (State

September 13, 2021 EX-2.1

Plan of Conversion of North Shore MHC, as amended

Exhibit 2.1 As Approved on July 19, 2021 As Amended on September 8, 2021 PLAN OF CONVERSION OF NORTH SHORE MHC Table of Contents Page 1. INTRODUCTION 1 2. DEFINITIONS 2 3. PROCEDURES FOR CONVERSION 8 4. REGULATORY APPLICATIONS AND APPROVALS 11 5. SALE OF COMMON STOCK 11 6. PURCHASE PRICE AND NUMBER OF SUBSCRIPTION SHARES 12 7. RETENTION OF CONVERSION PROCEEDS BY THE HOLDING COMPANY 12 8. SUBSCRIPT

September 13, 2021 S-1

As filed with the Securities and Exchange Commission on September 13, 2021

As filed with the Securities and Exchange Commission on September 13, 2021 Registration No.

September 13, 2021 EX-99.4

Appraisal Report of Feldman Financial

EX-99.4 17 nsts211106ex99-4.htm EX-99.4 Exhibit 99.4 Feldman Financial Advisors, Inc. 8804 Mirador Place McLean, VA 22102 (202) 467-6862 North Shore MHC Waukegan, Illinois Conversion Valuation Appraisal Report Valued as of August 31, 2021 Prepared By Feldman Financial Advisors, Inc. McLean, Virginia Feldman Financial Advisors, Inc. 8804 Mirador Place McLean, VA 22102 (202) 467-6862 August 31, 2021

September 13, 2021 EX-99.3

Letter of Feldman Financial with respect to Liquidation Rights

EX-99.3 16 nsts211106ex99-3.htm EX-99.3 Exhibit 99.3 Feldman Financial Advisors, Inc. 8804 Mirador Place McLean, VA 22102 (202) 467-6862 September 10, 2021 Boards of Directors NSTS Bancorp, Inc. North Shore MHC NSTS Financial Corporation North Shore Trust and Savings 700 S. Lewis Avenue Waukegan, Illinois 60085 Members of the Boards of Directors: At the request of North Shore MHC (the “Mutual Hold

September 13, 2021 EX-10.2

Form of Change in Control Agreement

EX-10.2 10 nsts211106ex10-2.htm EX-10.2 Exhibit 10.2 north shore trust and savings Change In Control Agreement THIS CHANGE IN CONTROL AGREEMENT (the “Agreement”) is entered into as of , 2021 (the “Effective Date”) by and between North Shore Trust and Savings, a federally chartered savings association (“Bank”) and the undersigned officer (the “Executive”); Witnesseth That: WHEREAS, the Executive is

September 13, 2021 EX-3.2

Bylaws of NSTS Bancorp, Inc.

Exhibit 3.2 NSTS BANCORP, Inc. BYLAWS Article I. HOME OFFICE The Home Office of NSTS Bancorp, Inc. (the “Corporation”) shall be 700 S. Lewis Avenue, Waukegan, Illinois 60085. Article II. STOCKHOLDERS Section 1. An annual meeting of the stockholders for the election of Directors to succeed those whose terms expire and for the transaction of such other business as may properly come before the meetin

September 13, 2021 EX-21

Subsidiaries of NSTS Bancorp, Inc.

Exhibit 21 Subsidiaries of the Registrant Name Percent Ownership State of Incorporation/Organization North Shore Trust and Savings 100% Federal

September 13, 2021 EX-1.1

Engagement Letter between Keefe, Bruyette & Woods, Inc. and North Shore MHC

Exhibit 1.1 September 16, 2019 North Shore Trust and Savings 700 South Lewis Avenue Waukegan, IL 60085 Attention: Mr. Stephen G. Lear Chairman of the Board, President & Chief Executive Officer Ladies and Gentlemen: This letter agreement (the “Agreement”) confirms the engagement of Keefe, Bruyette & Woods, Inc. (“KBW”) to act as the exclusive financial advisor to North Shore Trust and Savings, NSTS

September 13, 2021 EX-10.1

Form of Employment Agreement by and between NSTS Bancorp, Inc., North Shore Trust and Savings and Stephen G. Lear

Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement (“Agreement”) is made and entered into as of the day of , 2021, by and among NSTS Bancorp, Inc., a Delaware corporation and sole shareholder of the Bank (“NSTS”), North Shore Trust and Savings, a federally chartered stock savings association (“Bank”) (NSTS and the Bank are sometimes referred to collectively as the “Employer”), and Stephen

September 13, 2021 EX-3.1

Certificate of Incorporation of NSTS Bancorp, Inc.

Exhibit 3.1 NSTS BANCORP, INC. CERTIFICATE OF INCORPORATION FIRST: The name of the Corporation is NSTS Bancorp, Inc. (hereinafter referred to as the ?Corporation?). SECOND: The address of the registered office of the Corporation in the State of Delaware is 850 New Burton Road, Suite 201, Dover, Delaware 19904, Kent County. The name of the registered agent at that address is Cogency Global Inc. THI

September 13, 2021 EX-99.2

Letter of Feldman Financial with respect to value of Subscription Rights

EX-99.2 15 nsts211106ex99-2.htm EX-99.2 Exhibit 99.2 Feldman Financial Advisors, Inc. 8804 Mirador Place Mclean, VA 22102 (202) 467-6862 September 10, 2021 Boards of Directors NSTS Bancorp, Inc. North Shore MHC NSTS Financial Corporation North Shore Trust and Savings 700 S. Lewis Avenue Waukegan, Illinois 60085 Members of the Boards of Directors: It is the opinion of Feldman Financial Advisors, In

September 13, 2021 EX-4.1

Form of Common Stock Certificate of NSTS Bancorp, Inc.

Exhibit 4.1 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE No. NSTS Bancorp, Inc. Shares FULLY PAID AND NON-ASSESSABLE PAR VALUE $0.01 PER SHARE CUSIP: THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS, SEE REVERSE SIDE THIS CERTIFIES that is the owner of SHARES OF COMMON STOCK, $0.01 PAR VALUE PER SHARE, of NSTS Bancorp, Inc. a Delaware corporation The shares evidenced

September 13, 2021 EX-99.1

Engagement Letter with Feldman Financial to serve as appraiser

Exhibit 99.1 FELDMAN FINANCIAL ADVISORS, INC. 8804 MIRADOR PLACE MCLEAN, VA 22102 (202) 467-6862 July 14, 2021 Confidential Board of Directors North Shore, MHC 700 South Lewis Avenue Waukegan, Illinois 60085 Members of the Board of Directors: This letter sets forth the Agreement (“Agreement”) between North Shore, MHC (the “Company”) and Feldman Financial Advisors, Inc. (“FFA”), whereby the Company

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