CLST insider transaction filings

Catalyst Bancorp, Inc. — 37 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-18. Screen CLST transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 4 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
Kleiser Kirk E. — Director14
Bourque Jacques L.J. — CHIEF FINANCIAL OFFICER11
Quebedeaux Amanda B. — Chief Operations Officer11
Zanco Joseph B — PRESIDENT AND CEO, Director11

Recent Form 4 filings — Catalyst Bancorp, Inc.

FiledFormInsiderReported transactionsSource
2026-09-184Kleiser Kirk E. — DirectorOption exercise (M): 529 @ $12.08 · Option exercise (M): 16,928 @ $13.30 · Option exercise (M): 16,928 (derivative) @ $0 · Option exercise (M): 529 (derivative) @ $0EDGAR
2026-09-024Zanco Joseph B — PRESIDENT AND CEO, DirectorTax withholding (F): 1,158 @ $17.81EDGAR
2026-09-024Bourque Jacques L.J. — CHIEF FINANCIAL OFFICERTax withholding (F): 131 @ $17.81EDGAR
2026-09-024Quebedeaux Amanda B. — Chief Operations OfficerTax withholding (F): 553 @ $17.81EDGAR
2026-06-124Ledet Don P — CHIEF RISK OFFICERTax withholding (F): 131 @ $15.96 · Grant/award (A): 1,000 @ $0 · Grant/award (A): 2,000 (derivative) @ $0EDGAR
2026-06-124Bourque Jacques L.J. — CHIEF FINANCIAL OFFICERTax withholding (F): 131 @ $15.96 · Grant/award (A): 1,000 @ $0 · Grant/award (A): 2,000 (derivative) @ $0EDGAR
2026-06-124Quebedeaux Amanda B. — Chief Operations OfficerGrant/award (A): 1,000 @ $0 · Grant/award (A): 2,000 (derivative) @ $0EDGAR
2026-06-124/AQuebedeaux Amanda B. — Chief Operations OfficerTax withholding (F): 131 @ $15.96 · Grant/award (A): 1,000 @ $0 · Grant/award (A): 2,000 (derivative) @ $0EDGAR
2026-06-114Kidder Todd A. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2026-06-114Lafleur Frederick R. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2026-06-114LeBouef Craig C. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2026-06-114Kleiser Kirk E. — DirectorSale (S): 5,000 @ $16.04 · Sale (S): 1,000 @ $16.04 · Grant/award (A): 1,058 @ $0 · Purchase (P): 2,850 @ $16.13 · Purchase (P): 2,350 @ $16.09 · Purchase (P): 1,000 @ $16.11EDGAR
2026-06-114Scruggins Matthew L. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2026-06-114Bellard Ted D. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2026-06-114Zanco Joseph B — PRESIDENT AND CEO, DirectorGrant/award (A): 5,290 @ $0 · Grant/award (A): 13,225 (derivative) @ $0EDGAR
2025-12-224Scruggins Matthew L. — DirectorGift (G): 332 @ $0EDGAR
2025-10-304Kleiser Kirk E. — DirectorSale (S): 1,500 @ $13.43 · Sale (S): 2,500 @ $13.39 · Sale (S): 750 @ $13.40 · Purchase (P): 100 @ $13.40 · Purchase (P): 4,650 @ $13.41EDGAR
2025-09-024Quebedeaux Amanda B. — Chief Operations OfficerTax withholding (F): 553 @ $12.83EDGAR
2025-09-024Bourque Jacques L.J. — CHIEF FINANCIAL OFFICERTax withholding (F): 131 @ $12.83EDGAR
2025-09-024Zanco Joseph B — PRESIDENT AND CEO, DirectorTax withholding (F): 1,158 @ $12.83EDGAR
2025-06-134Kleiser Kirk E. — DirectorPurchase (P): 200 @ $12.25 · Purchase (P): 350 @ $12.29 · Purchase (P): 300 @ $12.23 · Purchase (P): 900 @ $12.30EDGAR
2025-06-124Ledet Don P — CHIEF RISK OFFICERGrant/award (A): 2,000 @ $0 · Grant/award (A): 4,000 (derivative) @ $0EDGAR
2025-06-124Scruggins Matthew L. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2025-06-124Bellard Ted D. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2025-06-124Kleiser Kirk E. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2025-06-124LeBouef Craig C. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2025-06-124Lafleur Frederick R. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2025-06-124Kidder Todd A. — DirectorGrant/award (A): 1,058 @ $0 · Grant/award (A): 2,645 (derivative) @ $0EDGAR
2025-06-124Quebedeaux Amanda B. — Chief Operations OfficerGrant/award (A): 2,000 @ $0 · Grant/award (A): 4,000 (derivative) @ $0EDGAR
2025-06-124Bourque Jacques L.J. — CHIEF FINANCIAL OFFICERGrant/award (A): 2,000 @ $0 · Grant/award (A): 4,000 (derivative) @ $0EDGAR
2025-06-124Zanco Joseph B — PRESIDENT AND CEO, DirectorGrant/award (A): 5,290 @ $0 · Grant/award (A): 13,225 (derivative) @ $0EDGAR
2024-12-044Ledet Don P — CHIEF RISK OFFICERTax withholding (F): 574 @ $11.85EDGAR
2024-12-044Zanco Joseph B — PRESIDENT AND CEO, DirectorPurchase (P): 8,333 @ $11.79 · Purchase (P): 6,250 @ $11.87EDGAR
2024-11-224Kleiser Kirk E. — DirectorPurchase (P): 1,900 @ $11.63EDGAR
2024-09-054Bourque Jacques L.J. — CHIEF FINANCIAL OFFICERTax withholding (F): 136 @ $11.67EDGAR
2024-09-054Quebedeaux Amanda B. — Chief Operations OfficerTax withholding (F): 574 @ $11.67EDGAR
2024-09-054Zanco Joseph B — PRESIDENT AND CEO, DirectorTax withholding (F): 1,211 @ $11.67EDGAR

Recent 8-K events — Catalyst Bancorp, Inc.

FiledFormItems reportedSource
2026-09-158-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-188-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-148-K2.01 — Completion of Acquisition or Disposition of Assets
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-268-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-218-K5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-088-K1.01 — Entry into a Material Definitive Agreement
7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-298-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-218-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
Need this as JSON? GET https://api.filingpulse.io/v1/insider-trades?ticker=CLST returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new ones to you in seconds. API docs →