CLST

Catalyst Bancorp, Inc._January 29, 2026 0001849867false00018498672026-01-292026-01-29 ​ ​ ​

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 29, 2026

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On January 29, 2026, Catalyst Bancorp, Inc. (the “Company”) announced its results for the quarter ended December 31, 2025. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated January 29, 2026

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: January 29, 2026 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

Catalyst Bancorp, Inc._October 23, 2025 0001849867false00018498672025-10-232025-10-23 ​ ​ ​

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 23, 2025

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On October 23, 2025, Catalyst Bancorp, Inc. (the “Company”) announced its results for the quarter ended September 30, 2025. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated October 23, 2025

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: October 23, 2025 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672025-07-242025-07-24 ​ ​ ​

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 24, 2025

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On July 24, 2025, Catalyst Bancorp, Inc. (the “Company”) announced its results for the quarter ended June 30, 2025. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated July 24, 2025

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: July 24, 2025 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672025-04-242025-04-24 ​ ​ ​

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 24, 2025

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On April 24, 2025, Catalyst Bancorp, Inc. (the “Company”) announced its results for the quarter ended March 31, 2025. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated April 24, 2025

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: April 24, 2025 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672024-10-242024-10-24 ​ ​ ​

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 23, 2025

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On January 23, 2025, Catalyst Bancorp, Inc. (the “Company”) announced its results for the quarter ended December 31, 2024. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated January 23, 2025

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: January 23, 2025 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672024-10-242024-10-24 ​ ​ ​

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 24, 2024

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On October 24, 2024, Catalyst Bancorp, Inc. (the “Company”) announced its results for the quarter ended September 30, 2024. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated October 24, 2024

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: October 24, 2024 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672024-07-312024-07-31 ​ ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

​ Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ​ ​

​

Date of Report (Date of earliest event reported) July 31, 2024

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On July 31, 2024, Catalyst Bancorp, Inc. (the “Company”) announced its quarterly results for the quarter ended June 30, 2024. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The information furnished under items 2.02 and 9.01 of this Current Report on Form 8-K, including the exhibit, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and it shall not be deemed incorporated by reference in any filing under the Exchange Act, or the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing to this Form 8-K. ​ ​ ​ ITEM 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated July 31, 2024

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: July 31, 2024 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672024-05-022024-05-02 ​ ​ ​

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 2, 2024

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On May 2, 2024, Catalyst Bancorp, Inc. (the “Company”) announced its quarterly results for the quarter ended March 31, 2024. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto, which is incorporated herein by reference, is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers; Compensatory Arrangements of Certain Officers (e) Compensatory Arrangements of Certain Officers

On May 2, 2024, Catalyst Bank (the “Bank”), the wholly owned subsidiary of Catalyst Bancorp, Inc. (the “Company”), entered into an employment agreement (the “Employment Agreement”) with Don Ledet, Chief Risk Officer (the “Executive”). The term of the Employment Agreement commences on May 2, 2024, and will expire on September 1, 2027, unless renewed or extended. Any such renewal or extension of the Employment Agreement will be reflected in an amendment or supplement to such agreement. Prior to the expiration of the term of the Employment Agreement, the Board of Directors will review the agreements to determine whether to extend the term of the Employment Agreement for three additional years or such other time period mutually agreed upon. Pursuant to the Employment Agreement, Mr. Ledet agrees to continue his service as Chief Risk Officer of the Bank for a term of three years ending May 1, 2027. Mr. Ledet’s agreement provides for a base salary of $150,000, which may be increased at the discretion of the Board of Directors of Catalyst Bank. The Employment Agreement is terminable with or without cause by Catalyst Bank. The Executive has no right to compensation or other benefits pursuant to the Employment Agreement for any period after termination for cause, except for benefits that have vested and been earned prior to termination. The Employment Agreement provides that in the event of an involuntary termination of employment (including a voluntary termination by the Executive as a result of a material breach of the agreement by Catalyst Bank or for “good reason”, including a change in the Executive’s position, salary or duties without his or her consent), the Executive would be entitled to (1) a lump sum cash severance payment which is equal to twelve months of the Executive’s base salary as of the date of termination, subject to the Executive executing a release of any claims against Catalyst Bank or its affiliates and (2) continued health insurance coverage until the earlier of twelve months or the date the Executive receives substantially similar benefits from another employer. The Employment Agreement provides that if the Executive’

0001849867false00018498672024-01-252024-01-25 ​ ​ ​

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 25, 2024

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On January 25, 2024, the Company announced its quarterly and annual results for the periods ended December 31, 2023. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto, which is incorporated herein by reference, is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ​ ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated January 25, 2024

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: January 25, 2024 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672023-10-262023-10-26 ​ ​ ​

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 26, 2023

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On October 26, 2023, the Registrant announced its results of operations for the quarter ended September 30, 2023. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ​ ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated October 26, 2023

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: October 26, 2023 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672023-07-272023-07-27 ​ ​ ​

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 27, 2023

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On July 27, 2023, the Registrant announced its results of operations for the quarter ended June 30, 2023. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ​ ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated July 27, 2023

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: July 27, 2023 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672023-04-272023-04-27 ​ ​ ​

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 27, 2023

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On April 27, 2023, the Registrant announced its results of operations for the quarter ended March 31, 2023. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 7.01 Regulation FD Disclosure On April 27, 2023, the Registrant announced that its Board of Directors approved the Company’s second share repurchase program (the “April 2023 Repurchase Plan”). Under the April 2023 Repurchase Plan, the Company may purchase up to 252,000 shares, or approximately 5%, of the Company's outstanding common stock. The shares may be purchased in the open market or in privately-negotiated transactions from time to time depending upon market conditions and other factors. For additional information, reference is made to the Press Release attached hereto as Exhibit 99.1. The Press Release attached hereto as an exhibit is being furnished to the SEC and shall not be deemed to be “filed” for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated April 27, 2023

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: April 27, 2023 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672023-01-262023-01-26 ​ ​ ​

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 26, 2023

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On January 26, 2023, the Registrant announced its results of operations for the quarter ended December 31, 2022. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 7.01 Regulation FD Disclosure On January 26, 2023, the Registrant announced that its Board of Directors approved the Company’s first share repurchase program (the “2023 Repurchase Plan”). Under the 2023 Repurchase Plan, the Company may purchase up to 265,000 shares, or approximately 5%, of the Company's outstanding common stock. The shares may be purchased in the open market or in privately-negotiated transactions from time to time depending upon market conditions and other factors. For additional information, reference is made to the Press Release attached hereto as Exhibit 99.1. The Press Release attached hereto as an exhibit is being furnished to the SEC and shall not be deemed to be “filed” for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated January 26, 2023

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: January 26, 2023 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672022-07-282022-07-28 ​ ​ ​

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 27, 2022

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On October 27, 2022, the Registrant announced its results of operations for the quarter ended September 30, 2022. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated October 27, 2022

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: October 27, 2022 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672022-07-282022-07-28 ​ ​ ​

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 28, 2022

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On July 28, 2022, the Registrant announced its results of operations for the quarter ended June 30, 2022. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated July 28, 2022

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: July 29, 2022 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672022-04-282022-04-28 ​ ​ ​

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 28, 2022

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​

Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On April 28, 2022, the Registrant announced its results of operations for the quarter ended March 31, 2022. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are included herein: ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated April 28, 2022

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: April 28, 2022 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

0001849867false00018498672022-01-272022-01-27 ​ ​ ​

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 27, 2022

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

​ ​

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ ​

​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Securities registered pursuant to Section 12(b) of the Act: ​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On January 27, 2022, the Registrant announced its results of operations for the quarter ended December 31, 2021. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are filed herewith. ​

​

​

Exhibit Number ​ Description

99.1 ​ Press Release, dated January 27, 2022

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​

​

​

​

​

​ ​ ​

CATALYST BANCORP, INC.

​ ​ ​ ​ ​

Date: January 27, 2022 ​ By: /s/ Joseph B. Zanco

​ ​ ​ ​ Joseph B. Zanco

​ ​ ​ ​ President and Chief Executive Officer

​ ​ ​ ​ ​

3

NASDAQ0001849867false00018498672021-10-282021-10-28 ​ ​ ​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

​ Washington, D.C. 20549 ​

FORM 8-K

​

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ​ ​

​

Date of Report (Date of earliest event reported) October 28, 2021

​ Catalyst Bancorp, Inc. (Exact name of registrant as specified in its charter) ​ ​

​

​

Louisiana 001-40893 86-2411762

(State or other jurisdiction (Commission File Number) (IRS Employer

of incorporation) Identification No.)

​ ​

​

235 N. Court Street, Opelousas, Louisiana 70570

(Address of principal executive offices) (Zip Code)

​ ​

​

Registrant’s telephone number, including area code (337) 948-3033

​ Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below): ​

​

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Securities registered pursuant to Section 12(b) of the Act: ​

​

​

Title of each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock

CLST

Nasdaq Capital Market

​ ​ ​ ​

​

ITEM 2.02 Results of Operations and Financial Condition On October 28 2021, the Registrant announced its results of operations for the quarter ended September 30, 2021. A copy of the related press release (the "Press Release") is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein. The Press Release attached hereto is being furnished to the SEC and shall not be deemed "filed" for any purpose except as otherwise provided herein. ITEM 9.01 Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Not applicable. (d) Exhibits The following exhibits are filed herewith. ​

​

​

Exhibit Number

Description

99.1 ​ Press Release, dated October 28, 2021

104 ​ Cover Page Interactive Data File. Embedded within the Inline XBRL document.

​

​ ​

2

​

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CATALYST BANCORP, INC.

​ ​ ​

​ ​ ​

​ ​ ​

Date:  October 28, 2021 By: /s/ Joseph B Zanco

​ ​ Joseph B. Zanco

​ ​ President and Chief Executive Officer

​ ​ ​

3