Catalyst Bancorp, Inc. — Director's Dealing 2023

May 9, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Catalyst Bancorp, Inc. (CLST)
CIK: 0001849867
Period of Report: 2023-05-08

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-08	Common Stock	P	3600	$9.63	Acquired	11100	Indirect
2023-05-08	Common Stock	P	1600	$9.64	Acquired	2800	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1000	Indirect
Common Stock	23464	Direct
Common Stock	5000	Indirect
Common Stock	2500	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

Footnotes

F1: 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 90% owner.

F2: Includes 8,464 shares granted pursuant to the Issuer's 2022 Recognition and Retention Plan and Trust Agreement that vest 20% per year commencing on September 1, 2023.

F3: The 5,000 shares are held by the K Kleiser LLC of which the reporting person is the sole member.

F4: The 2,500 shares are held by Kleiser Enterprises, Inc. of which the reporting person is a senior managing member and 90% owner.

F5: The options vest at a rate of 20% per year commencing on September 1, 2023.