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Catalyst Bancorp, Inc.

CLST
Exchange
Nasdaq
Industry
Savings Institution, Federally Chartered
SEC CIK
0001849867

In the last 90 days, Catalyst Bancorp, Inc. insiders filed 1 open-market purchase and 0 sales; 23 institutions reported holding it in 13F filings for Q2 2026, worth $22.0M in total; no superinvestor holds it.

Key figures

Market capClose on Nov 10, 2026
$69.9M
Insider buysLast 90 days, $30.3K in total
1
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, 0 vs. previous quarter
23
13F valueReported value at the end of Q2 2026
$22.0M
Superinvestors holdingAt the end of Q2 2026
0

Price chart

From SEC filings, in USD.

Revenue, FY2025
$13.9M
+0.2% year over year
Net income, FY2025
$2.05M
No comparable prior period
Free cash flow, FY2025
$3.10M
+13.0% year over year
Revenue, Q2 FY2026
$3.58M
+3.6% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 15, 2026.

Short interest
6.46K
Shares sold short
Change
+495
+8.3% vs. previous
Days to cover
2.80
At average daily volume

Superinvestors holding CLST, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding CLST at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by Catalyst Bancorp, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 6, 2026 (view filing)11:22 AM ETNov 42 daysKleiser Kirk E.DirectorPPurchase+714$17.76+$12.7K+1.6%46.6K after
Nov 6, 2026 (view filing)11:22 AM ETNov 42 daysKleiser Kirk E.DirectorPPurchase+990$17.76+$17.6K+4.9%21.1K after
Jun 11, 2026 (view filing)Jun 101 dayKleiser Kirk E.DirectorSSale−6.00K$16.04−$96.2K−100.0%0 after2 lots
Jun 11, 2026 (view filing)Jun 101 dayKleiser Kirk E.DirectorPPurchase+2.85K$16.13+$46.0K+11.1%28.4K after
Jun 11, 2026 (view filing)Jun 101 dayKleiser Kirk E.DirectorPPurchase+3.35K$16.10+$53.9K+446.7%4.10K after2 lots
Oct 30, 2025 (view filing)Oct 282 daysKleiser Kirk E.DirectorSSale−4.75K$13.40−$63.7K−100.0%0 after3 lots
Oct 30, 2025 (view filing)Oct 282 daysKleiser Kirk E.DirectorPPurchase+4.75K$13.41+$63.7K+36.5%17.7K after2 lots
Jun 13, 2025 (view filing)Jun 112 daysKleiser Kirk E.DirectorPPurchase+1.75K$12.28+$21.5KNew position900 after4 lots
Dec 4, 2024 (view filing)Dec 2-32 daysZanco Joseph BPRESIDENT AND CEOPPurchase+14.6K$11.82+$172.4K+196.4%22.0K after2 lots
Nov 22, 2024 (view filing)Nov 22Same dayKleiser Kirk E.DirectorPPurchase+1.90K$11.64+$22.1K+76.0%4.40K after

Top 10 13F holders, Q2 2026

See all 23 holders

The largest institutional positions in Catalyst Bancorp, Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding CLST in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Stilwell Value LLC364,085$6.01M3.45%+81,651+28.9%Added
Knott David M Jr114,000$3.58M1.89%+114,000New
Graham Capital Wealth Management, LLC195,939$3.23M2.50%−1,346−0.7%Reduced
Vanguard Capital Management LLC189,486$3.13M0.00%−654−0.3%Reduced
BlackRock, Inc.68,797$1.14M0.00%+3,164+4.8%Added
Alliancebernstein L.P.61,066$1.01M0.00%+29,436+93.1%Added
Geode Capital Management, LLC34,571$571.0K0.00%+82+0.2%Added
Montz Harcus Wealth Management LLC30,000$495.3K0.18%00.0%Unchanged
Kestra Advisory Services, LLC25,000$412.8K0.00%00.0%Unchanged
Vanguard Fiduciary Trust Co24,351$402.0K0.00%+135+0.6%Added

Holders of 5% or more of CLST

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Catalyst Bancorp, Inc..

Largest holders of CLST from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
Catalyst Bancorp, Inc. Employee Stock Ownership Plan13G/A10.20%416.8K shares+0.20 ppfrom 10.00%Feb 11, 20225 filingsFeb 13, 2026SEC
Stilwell Joseph13D/A9.00%364.1K shares+0.40 ppfrom 8.60%Oct 30, 20254 filingsAug 27, 2026SEC
Vanguard Capital Management LLC13G5.28%215.5K sharesNewApr 29, 20261 filingApr 29, 2026SEC