Catalyst Bancorp, Inc.
CLST- Exchange
- Nasdaq
- Industry
- Savings Institution, Federally Chartered
- SEC CIK
- 0001849867
No open-market purchases or sales by Catalyst Bancorp, Inc. insiders were filed in the last 90 days; 23 institutions reported holding it in 13F filings for Q2 2026, worth $22.0M in total; no superinvestor holds it.
Holders of 5% or more of CLST
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Catalyst Bancorp, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Catalyst Bancorp, Inc. Employee Stock Ownership Plan | 13G/A | 10.20%416.8K shares | +0.20 ppfrom 10.00% | Feb 11, 20253 filings | Feb 13, 2026 | SEC |
| Stilwell Joseph | 13D/A | 6.30%260.0K shares | +1.10 ppfrom 5.20% | Oct 30, 20252 filings | Jan 12, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
7 Schedule 13D and 13G filings on Catalyst Bancorp, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20265:39 PM ET | Vanguard Capital Management LLC | 13G | 5.28%215.5K shares | New | Mar 31, 2026 | SEC |
| Apr 13, 20267:15 PM ET | Stilwell Josephand 4 others | 13D/A | 8.60%348.6K shares | +2.30 ppfrom 6.30% | Apr 9, 2026 | SEC |
| Mar 26, 20264:43 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 202610:40 AM ET | Catalyst Bancorp, Inc. Employee Stock Ownership Plan | 13G/A | 10.20%416.8K shares | +0.20 ppfrom 10.00% | Dec 31, 2025 | SEC |
| Jan 12, 20265:26 PM ET | Stilwell Josephand 4 others | 13D/A | 6.30%260.0K shares | +1.10 ppfrom 5.20% | Jan 8, 2026 | SEC |
| Oct 30, 20257:13 PM ET | Stilwell Josephand 4 others | 13D | 5.20%216.0K shares | New | Oct 23, 2025 | SEC |
| May 7, 202511:43 AM ET | Catalyst Bancorp, Inc. Employee Stock Ownership Plan | 13G/A | 10.00%418.8K shares | +0.20 ppfrom 9.80% | Apr 30, 2025 | SEC |
| Feb 11, 20254:53 PM ET | Catalyst Bancorp, Inc. Employee Stock Ownership Plan | 13G/A | 9.80%420.3K shares | – | Dec 31, 2024 | SEC |
| Nov 15, 20241:44 PM ET | Alliancebernstein L.P. | 13G/A | 3.20%143.7K shares | –Below 5% | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Catalyst Bancorp, Inc. shares.
No Form 144 notices for Catalyst Bancorp, Inc. are on file.