CLST SCHEDULE 13D/A: Activist campaign
The Stilwell Group, led by Joseph Stilwell
Filed with the SEC on · accession 0000921895-26-002340
CLST filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 27, 2026. The Stilwell Group, led by Joseph Stilwell, filed an amended Schedule 13D/A disclosing a participant solicitation in connection with its activist campaign at Catalyst Bancorp, Inc. The filing identifies Mark D. The stock moved +0.0% by the first close after the filing.
Summary of the filing
The Stilwell Group, led by Joseph Stilwell, filed an amended Schedule 13D/A disclosing a participant solicitation in connection with its activist campaign at Catalyst Bancorp, Inc. The filing identifies Mark D. Alcott and Corissa B. Porcelli as participants, with Mr. Alcott directly owning 1,000 shares of the company's common stock.
Key details
How CLST stock reacted
Close before
$17.39
Aug 26, 2026
First close after
+0.03%
$17.40
5 trading days
+0.66%
$17.51
Since filing
+1.06%
$17.58
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Click hereFrequently asked questions
What did CLST file with the SEC on Aug 27, 2026?
CLST filed a SCHEDULE 13D/A (Activist campaign). The Stilwell Group, led by Joseph Stilwell, filed an amended Schedule 13D/A disclosing a participant solicitation in connection with its activist campaign at Catalyst Bancorp, Inc. The filing identifies Mark D. Alcott and Corissa B. Porcelli as participants, with Mr. Alcott directly owning 1,000 shares of the company's common stock.
What does a activist campaign mean for CLST stock?
A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.
How do I read a SCHEDULE 13D/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).
How did CLST stock react to this filing?
CLST closed at $17.39 before the filing and $17.40 on Aug 27, 2026 (+0.03%). Five trading days later: $17.51 (+0.66%).
Other CLST SEC filings
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