Form4insider filings, from the source

Company · CIK 0001849867 · SIC 6035 — Savings Institution, Federally Chartered · Nasdaq

Catalyst Bancorp, Inc. · CLST

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $100k · 1sales $96k · 1net $3,683
$10k$10k$100k$100k$1M$1MbuyssalesJun 9Jun 9Jun 9Jun 10Jun 10Jun 10Jun 11

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 18, 4:32 pm EDTKirk E. KleiserDirector17,457$13.26$231,53345,358—
Sep 1, 2026 FForm 4 →Sep 2, 4:36 pm EDTJoseph B ZancoPRESIDENT AND CEO, Director1,158$17.81$20,62437,002—
Sep 1, 2026 FForm 4 →Sep 2, 4:20 pm EDTJacques L.J. BourqueCHIEF FINANCIAL OFFICER131$17.81$2,3334,335—
Sep 1, 2026 FForm 4 →Sep 2, 4:05 pm EDTAmanda B. QuebedeauxChief Operations Officer553$17.81$9,8499,579—
Jun 10, 2026 AFForm 4/A →Jun 12, 6:24 pm EDTAmanda B. QuebedeauxChief Operations Officer1,131$15.96$2,09110,263—
Jun 10, 2026 AFForm 4 →Jun 12, 6:08 pm EDTDon P LedetCHIEF RISK OFFICER1,131$15.96$2,09112,837—
Jun 10, 2026 AFForm 4 →Jun 12, 5:48 pm EDTJacques L.J. BourqueCHIEF FINANCIAL OFFICER1,131$15.96$2,0914,597—
Jun 10, 2026 AForm 4 →Jun 12, 5:21 pm EDTAmanda B. QuebedeauxChief Operations Officer1,000——10,816— amended
Jun 10, 2026 AForm 4 →Jun 11, 7:59 pm EDTJoseph B ZancoPRESIDENT AND CEO, Director5,290——38,160—
Jun 10, 2026 AForm 4 →Jun 11, 7:42 pm EDTCraig C. LeBouefDirector1,058——25,580—
Jun 10, 2026 AForm 4 →Jun 11, 7:40 pm EDTFrederick R. LafleurDirector1,058——10,580—
Jun 10, 2026 AForm 4 →Jun 11, 7:39 pm EDTTodd A. KidderDirector1,058——20,580—
Jun 10, 2026 AForm 4 →Jun 11, 7:13 pm EDTTed D. BellardDirector1,058——35,402—
Jun 10, 2026 AForm 4 →Jun 11, 6:57 pm EDTMatthew L. ScrugginsDirector1,058——25,912—
Jun 10, 2026 PForm 4 →Jun 11, 1:44 pm EDTKirk E. KleiserDirector6,200$16.11$99,8934,100—
Jun 10, 2026 AForm 4 →Jun 11, 1:44 pm EDTKirk E. KleiserDirector1,058——25,580—
Jun 10, 2026 SForm 4 →Jun 11, 1:44 pm EDTKirk E. KleiserDirector6,000$16.04$96,2100−100%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 18, 4:32 pm EDTKirk E. KleiserDirector17,457——2,116—
Jun 10, 2026 AForm 4/A →Jun 12, 6:24 pm EDTAmanda B. QuebedeauxChief Operations Officer2,000——2,000—
Jun 10, 2026 AForm 4 →Jun 12, 6:08 pm EDTDon P LedetCHIEF RISK OFFICER2,000——2,000—
Jun 10, 2026 AForm 4 →Jun 12, 5:48 pm EDTJacques L.J. BourqueCHIEF FINANCIAL OFFICER2,000——2,000—
Jun 10, 2026 AForm 4 →Jun 12, 5:21 pm EDTAmanda B. QuebedeauxChief Operations Officer2,000——2,000— amended
Jun 10, 2026 AForm 4 →Jun 11, 7:59 pm EDTJoseph B ZancoPRESIDENT AND CEO, Director13,225——13,225—
Jun 10, 2026 AForm 4 →Jun 11, 7:42 pm EDTCraig C. LeBouefDirector2,645——2,645—
Jun 10, 2026 AForm 4 →Jun 11, 7:40 pm EDTFrederick R. LafleurDirector2,645——2,645—
Jun 10, 2026 AForm 4 →Jun 11, 7:39 pm EDTTodd A. KidderDirector2,645——2,645—
Jun 10, 2026 AForm 4 →Jun 11, 7:13 pm EDTTed D. BellardDirector2,645——2,645—
Jun 10, 2026 AForm 4 →Jun 11, 6:57 pm EDTMatthew L. ScrugginsDirector2,645——2,645—