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SCHEDULE 13D/A Filed 2026-04-13 Event 2026-04-09 Intent: BOARD-CHANGE SEC 0000921895-26-000972 →

Stilwell Joseph Catalyst Bancorp, Inc. CLST

Stake: 8.60% Shares: 348,590 CUSIP: 14888L101 Class: Common Stock, par value $0.01 per share
AI Analyst Brief conf: high
Stilwell Value — a known community bank activist — explicitly states intent to seek board representation at Catalyst Bancorp (CLST), an 8.6% stake in a thinly-followed mutual-to-stock conversion bank where Stilwell argues NAV is not reflected in the share price; no prior activist presence and zero elite institutional coverage makes this a clean first-mover situation.

Item 4 — Purpose of Transaction

We intend to seek board representation. Our purpose in acquiring shares of Common Stock of the Issuer is to profit from the appreciation in the market price of the shares of Common Stock through asserting shareholder rights. We do not believe the value of the Issuer's assets is adequately reflected in the current market price of the Issuer's Common Stock. Members of the Group may seek to make additional purchases or sales of shares of Common Stock. Except as described in this filing, no member of the Group has any plans or proposals which relate to, or could result in, any of the matters referred to in paragraphs (a) through (j), inclusive, of Item 4 of Schedule 13D. Members of the Group may, at any time and from time to time, review or reconsider their positions and formulate plans or proposals with respect thereto. Since 2000, members or affiliates of the Group have taken an 'activist position' in 79 other publicly-traded companies. In each instance, our purpose has been to profit from the appreciation in the market price of the shares we held by asserting shareholder rights. In addition, we believed that the values of the companies' assets were not adequately reflected in the market prices of their shares. Our actions with respect to such publicly-traded companies are described in Schedule A, attached hereto and incorporated herein by reference.

Cross-References

Insider Activity (last 365d)
14 transactions
12 buys · 2 sales · 0 awards/exercises
Issuer Cluster
2 13D/G filings on this issuer
1 other filing besides this one
Filer Track Record
68 filings by this filer
67 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 2.87
7,832 shares short · -4.0% vs prior

Post-Filing Returns · since 2026-04-09 on CLST

+1 day
-0.1%
+5 days
0.0%
+30 days
+3.4%
+60 days
+3.4%
+90 days
+3.9%
+180 days

Anchor price 15.97 on closest trading day on/after 2026-04-09. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-10 Kleiser Kirk E. director Sale 5,000 $16.04 $80K
2026-06-10 Kleiser Kirk E. director Sale 1,000 $16.04 $16K
2026-06-10 Kleiser Kirk E. director Award 1,058
2026-06-10 Kleiser Kirk E. director Buy 2,850 $16.13 $46K
2026-06-10 Kleiser Kirk E. director Buy 2,350 $16.09 $38K
2026-06-10 Kleiser Kirk E. director Buy 1,000 $16.11 $16K
2026-06-10 Zanco Joseph B director, officer Award 5,290
2026-06-10 Zanco Joseph B director, officer Award 13,225 $15.96 $211K
2026-06-10 LeBouef Craig C. director Award 1,058
2026-06-10 LeBouef Craig C. director Award 2,645 $15.96 $42K
2026-06-10 Lafleur Frederick R. director Award 1,058
2026-06-10 Lafleur Frederick R. director Award 2,645 $15.96 $42K
2026-06-10 Kidder Todd A. director Award 1,058
2026-06-10 Kidder Todd A. director Award 2,645 $15.96 $42K

Other 13D/G Filings on Catalyst Bancorp, Inc.

FiledFormFilerStakeShares
2026-01-12 SCHEDULE Stilwell Joseph 6.30% 260,009 view →

Other Filings by Stilwell Joseph

FiledFormIssuerStakeShares
2026-07-09 SCHEDULE 13D/A Central Plains Bancshares, Inc. CPBI 9.70% 406,874 view →
2026-06-23 SCHEDULE 13D/A Central Plains Bancshares, Inc. CPBI 406,874 view →
2026-05-20 SCHEDULE 13D/A Central Plains Bancshares, Inc. CPBI 8.70% 366,901 view →
2026-01-22 SCHEDULE PEOPLES FINANCIAL CORP /MS/ PFBX 15.00% 691,112 view →
2026-01-12 SCHEDULE Catalyst Bancorp, Inc. CLST 6.30% 260,009 view →
2025-04-02 SCHEDULE KINGSWAY FINANCIAL SERVICES INC KFS 21.60% 5,968,290 view →
2025-02-14 SCHEDULE KINGSWAY FINANCIAL SERVICES INC KFS 25.20% 6,968,290 view →
2025-01-27 SCHEDULE PEOPLES FINANCIAL CORP /MS/ PFBX 14.00% 647,264 view →
2024-01-22 SC PEOPLES FINANCIAL CORP /MS/ PFBX view →
2023-10-31 SC Provident Bancorp, Inc. /MD/ view →
2023-10-03 SC PEOPLES FINANCIAL CORP /MS/ PFBX view →
2023-10-02 SC Wheeler Real Estate Investment Trust, Inc. WHLRL view →
2023-05-12 SC Sound Financial Bancorp, Inc. SFBC view →
2023-03-14 SC KINGSWAY FINANCIAL SERVICES INC KFS view →
2023-01-25 SC PEOPLES FINANCIAL CORP /MS/ PFBX view →
2022-09-21 SC Cincinnati Bancorp, Inc. view →
2022-09-01 SC Wheeler Real Estate Investment Trust, Inc. WHLRL view →
2022-07-18 SC KINGSWAY FINANCIAL SERVICES INC KFS view →
2022-07-12 SC PEOPLES FINANCIAL CORP /MS/ PFBX view →
2022-07-07 SC ICC Holdings, Inc. view →
Showing 20 of 67

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