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Catalyst Bancorp

CLST on Nasdaq. Market value $68m.

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Should I look at this?

We have not checked this company yet

This is not advice.

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Who owns it

1 long-term investor we follow owns it, unchanged from 1 last quarter. 23 funds in all.

Jun '25
Dec '25
Jun '26
Largest holders overall

From 13F filings for the quarter ended 30 June 2026.

Big holders and activists

3 investors own more than 5%; 1 of them is pushing for change.

  • Catalyst Bancorp, Inc. Employee Stock Ownership Plan
    Passive investor
    10.2%+0.2 pts
    Since 31 December 2025
  • Stilwell Value
    Activist
    Wants board seats
    at least 9.0%+0.4 pts
    (filed with 5 related holders)
    Since 27 August 2026
    What they said

    We are filing this Third Amendment to announce that we have served our notice of intent to nominate Mark D. Alcott for election as a director at the Issuer's upcoming 2027 annual meeting of shareholders (the "2027 Annual Meeting"), with Corissa B. Porcelli as our alternate…

    Read the filing
  • 5.3%
    Since 31 March 2026
  • The Vanguard Group
    Passive investor
    Sold down below 5%
    Since 13 March 2026

From Schedule 13D and 13G filings: anyone owning more than 5% must file one.

What insiders did

In the last 12 months, 1 insider bought $163,589 of shares on the open market. 1 sold $159,910.

  • Kleiser Kirk E.
    Director
    Sold
    Date
    10 June 2026
    Shares
    6,000
    Price
    $16.04
    Value
    $96,240
  • Kleiser Kirk E.
    Director
    Bought
    Date
    10 June 2026
    Shares
    6,200
    Price
    $16.11
    Value
    $99,892
  • Kleiser Kirk E.
    Director
    Sold
    Date
    28 October 2025
    Shares
    4,750
    Price
    $13.40
    Value
    $63,670
  • Kleiser Kirk E.
    Director
    Bought
    Date
    28 October 2025
    Shares
    4,750
    Price
    $13.41
    Value
    $63,697

From Form 4 filings: insiders must report trades in their own company's shares within two days.

Warning signs in its filings

Problems the company itself reported to the SEC, in its own words.

None of the serious warning signs we check for were found. 1 thing worth knowing.

We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.

We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 31 Mar 2026, plus the 10-Q filed 14 Aug 2026 and 8 later 8-Ks.

  • Changed auditor

    Worth knowing

    The company changed its auditor (the firm that checks its books) in the last two years.

    “on November 20, 2024, upon recommendation from the Audit Committee, the Board of Directors of the Company approved the engagement of HORNE LLP (“HORNE”) as the Company’s independent registered public accounting firm for the Company’s fiscal year ending December 31, 2025, subject to the completion of HORNE’s standard client acceptance procedures and execution of an engagement letter.”

    From an 8-K filed 26 November 2024: Change of auditor. Read it in the filing

A 10-K is the yearly report every US company files with the SEC. An 8-K is a short notice of a big event.

The deep dive

Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.

  • What the business is worth, as a range, and the margin of safety at today’s price
  • Prices to start buying, buy, and buy hard
  • The three things that would make this a mistake
  • Every number footnoted to the filing it came from
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What a finished deep dive looks like

Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.