| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ledet Don P | CHIEF RISK OFFICER | C/O CATALYST BANCORP INC, 235 N COURT ST, OPELOUSAS | /s/ Jutta Codori by P.O.A. for Don P. Ledet | 05 Feb 2026 | 0002001460 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLST | Common Stock | Tax liability | $8,306 | -553 | -4.5% | $15.02 | 11,837 | 01 Dec 2025 | Direct | F1, F2 |
| holding | CLST | Common Stock | 1,004 | 31 Dec 2025 | By ESOP | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CLST | Stock Option (Right to Buy) | 21,160 | 31 Dec 2025 | Common Stock | 21,160 | $11.30 | Direct | F4 | |||||
| holding | CLST | Stock Option (Right to Buy) | 4,000 | 31 Dec 2025 | Common Stock | 4,000 | $12.08 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | Disposition solely to meet tax obligation for distribution from stock benefit plan. |
| 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 December 1, 2024. |
| F3 | Includes shares allocated to the reporting person's account in the ESOP since the last filed Form 4, as of December 31, 2024. |
| F4 | The options are vesting at a rate of 20% per year that commenced on December 1, 2024. |
| F5 | The options vest at a rate of 20% per year commencing on June 10, 2026. |