🕵️ Catalyst Bancorp, Inc. ($CLST)
SEC insider & ownership activity, last 12 months · CIK 1849867 · every row links its SEC filing
Over the last 12 months insiders sold $160K against $164K of open-market buying. Kirk E. Kleiser bought $164K (Oct–Jun). Catalyst Bancorp, Inc. Employee Stock Ownership PLAN added 10.0% → 10.2%; Stilwell Joseph added 6.3% → 8.6%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $164K (5 lots) · 1 seller, $160K (5 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Kirk E. Kleiser | 5 | $164K | 5 | $160K | Jun 10, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Catalyst Bancorp, Inc. Employee Stock Ownership PLAN | 10.2% | 13G | Feb 13, 2026 | filing ↗ | |
| Stilwell Joseph | 8.6% | 13D | Apr 9, 2026 | filing ↗ | |
| Stilwell Value LLC | 8.6% | 13D | Apr 9, 2026 | filing ↗ | |
| Stilwell Activist Fund, L.P. | 8.6% | 13D | Apr 9, 2026 | filing ↗ | |
| Stilwell Activist Investments, L.P. | 8.6% | 13D | Apr 9, 2026 | filing ↗ | |
| Stilwell Partners L P | 8.6% | 13D | Apr 9, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.3% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Kirk E. Kleiser | $96K | Jun 10, 2026 | filing ↗ |
| Kirk E. Kleiser | $64K | Oct 28, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Acquisition or disposition (2.01) | Jul 14, 2026 | filing ↗ |
| Other events (8.01) | Jul 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 14, 2026 | filing ↗ |
| Other events (8.01) | Jun 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 26, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 7, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 7, 2026 | filing ↗ |
| Other events (8.01) | Apr 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 7, 2026 | filing ↗ |
| Earnings (2.02) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Other events (8.01) | Nov 20, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 20, 2025 | filing ↗ |
| Auditor change (4.01) | Oct 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 31, 2025 | filing ↗ |
| Earnings (2.02) | Oct 23, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 23, 2025 | filing ↗ |