Director Kirk E. Kleiser of Catalyst Bancorp, Inc. filed a Form 4 on November 6, 2026, disclosing open-market purchases of common stock made on November 4, 2026.

Key Highlights

  • Direct purchase: Kleiser acquired 714 shares of common stock directly at $17.755 per share on November 4, 2026.
  • IRA purchase: An additional 990 shares were acquired at $17.755 per share on the same date, held indirectly through an IRA.
  • Direct beneficial ownership following transactions: 46,601 shares held directly, including unvested restricted shares under the issuer's 2022 Recognition and Retention Plan and Trust Agreement.
  • Indirect holdings: 21,089 shares held via IRA, 4,100 shares held via spouse's IRA, and 900 shares held via spouse.
  • Stock options outstanding: Three tranches of stock options totaling 8,993 shares underlying rights to buy, at exercise prices of $12.08, $13.30, and $15.96, all held directly.
  • Transaction codes: Both share purchases were coded "P" (open-market purchase), according to the filing.

Kleiser's November 4 Purchases and Beneficial Ownership at Catalyst Bancorp

According to the filing, Kirk E. Kleiser, a director of Catalyst Bancorp, Inc. (NASDAQ:CLST), reported two open-market purchases of the company's common stock on November 4, 2026, each at a price of $17.755 per share. The first transaction, coded "P," involved 714 shares acquired directly, bringing his direct beneficial ownership to 46,601 shares following the transaction. The second transaction involved 990 shares acquired indirectly through an IRA, resulting in 21,089 shares held in that account.

The filing notes that Kleiser's direct holdings include unvested restricted shares under the issuer's 2022 Recognition and Retention Plan and Trust Agreement. Specifically, the filing discloses 1,696 unvested shares from an original grant of 8,464 shares vesting at 20% per year beginning September 1, 2023; 847 unvested shares from an original grant of 1,058 shares vesting at 20% per year beginning June 10, 2026; and 1,058 shares vesting at 20% per year beginning June 10, 2027.

In addition to the direct and IRA holdings, the filing reports that Kleiser holds beneficial interest in 4,100 shares through his spouse's IRA and 900 shares held by his spouse. The filing also discloses three tranches of stock options (rights to buy common stock): 2,645 shares at $15.96 expiring June 10, 2036 and vesting at 20% per year from June 10, 2027; 4,232 shares at $13.30 expiring September 1, 2032 and vesting at 20% per year from September 1, 2023; and 2,116 shares at $12.08 expiring June 10, 2035 and vesting at 20% per year from June 10, 2026. The form was signed by Kristy Doucet under power of attorney for Kirk E. Kleiser on November 6, 2026.

What Was Disclosed

Catalyst Bancorp director Kirk E. Kleiser disclosed two open-market purchases of common stock totaling 1,704 shares at $17.755 per share on November 4, 2026, along with his full beneficial ownership position in direct, IRA, and spousal accounts, and three outstanding stock option grants.