Catalyst Bancorp, Inc. — Director's Dealing 2025

Jun 13, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Catalyst Bancorp, Inc. (CLST)
CIK: 0001849867
Period of Report: 2025-06-11

Reporting Person: Kleiser Kirk E. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-11	Common Stock	P	200	$12.2480	Acquired	12999	Indirect
2025-06-11	Common Stock	P	350	$12.2924	Acquired	4750	Indirect
2025-06-11	Common Stock	P	300	$12.235	Acquired	3100	Indirect
2025-06-11	Common Stock	P	900	$12.2999	Acquired	900	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	24522	Direct
Common Stock	1000	Indirect
Common Stock	5000	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$13.30	2032-09-01	Common Stock (21160)	21160	Direct
Stock Option (Right to Buy)	$12.08	2035-06-10	Common Stock (2645)	2645	Direct

Footnotes

F1: The 4,750 shares are held by Kleiser Enterprises, Inc of which the reporting person is a senior managing member and 60% owner.

F2: Includes 5,080 shares granted pursuant to the Issuer's 2022 Recognition and Retention Plan and Trust Agreement that reflect the unvested portion of a grant amount originally covering 8,464 shares that commenced vesting 20% per year on September 1, 2023.

F3: The 1,000 shares are held by the K&G On the GEAUX LLC of which the reporting person is a senior managing member and 60% owner.

F4: The 5,000 shares are held by the K Kleiser LLC of which the reporting person is the sole member.

F5: The options are vesting at a rate of 20% per year commenced on September 1, 2023.

F6: The options vest at a rate of 20% per year commencing on June 10, 2026.