Catalyst Bancorp Inc
Ownership
Ownership Structure
Who owns Catalyst Bancorp Inc (CLST)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 63.8% of the shares are freely tradable; institutional investors hold 26.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Stilwell Value LLC | 9.03 | 364,085 | +28.9 | 06/30/2026 |
| GRAHAM CAPITAL WEALTH MANAGEMENT, LLC | 4.86 | 195,939 | -0.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.71 | 190,140 | +0.0 | 03/31/2026 |
| Knott David M Jr | 2.83 | 114,000 | +0.0 | 06/30/2026 |
| BlackRock Inc | 1.63 | 65,633 | +1.2 | 03/31/2026 |
| Geode Capital Management, LLC | 0.86 | 34,489 | -0.1 | 03/31/2026 |
| AllianceBernstein L.P. | 0.78 | 31,630 | +0.0 | 03/31/2026 |
| Montz Harcus Wealth Management LLC | 0.74 | 30,000 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.62 | 146,142 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.03 | 41,544 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Zanco Joseph B | PRESIDENT AND CEO | 37,002 | 669,736 $ | Sep 1, 2026 | direct |
| Quebedeaux Amanda B. | Chief Operations Officer | 9,579 | 173,380 $ | Sep 1, 2026 | direct |
| Bourque Jacques L.J. | CHIEF FINANCIAL OFFICER | 4,335 | 78,464 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Bourque Jacques L.J. | CHIEF FINANCIAL OFFICER | Other | 131 | 17.81 | 2,333 |
| Sep 1, 2026 | Quebedeaux Amanda B. | Chief Operations Officer | Other | 553 | 17.81 | 9,849 |
| Sep 1, 2026 | Zanco Joseph B | PRESIDENT AND CEO | Other | 1,158 | 17.81 | 20,624 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.