Kleiser Kirk E. 4

4 · Catalyst Bancorp, Inc. · Filed Jun 11, 2026

AI-generated summary of this filing

Updated Jun 11, 2026

Catalyst Bancorp (CLST) Director Kirk Kleiser Buys and Sells Shares

What Happened

Kirk E. Kleiser, a Director of Catalyst Bancorp (CLST), reported multiple transactions on 2026-06-10. He sold 6,000 shares in two open-market sales (5,000 and 1,000) at $16.04 each for total proceeds of $96,210. On the same day he made three open-market purchases totaling 6,200 shares (2,850 @ $16.13; 2,350 @ $16.09; 1,000 @ $16.11) for aggregate cash outlay of $99,893. He also received a grant/award of 1,058 shares (reported at $0.00). Net effect: a modest net increase of 1,258 shares (7,258 acquired including the award minus 6,000 sold) and a small net cash outflow (~$3,683).

Key Details

Transaction date: 2026-06-10; Form 4 filed 2026-06-11 (covers the 6/10/2026 trades).
Sales: 5,000 @ $16.04 ($80,175) and 1,000 @ $16.04 ($16,035) — total disposed $96,210.
Purchases: 2,850 @ $16.13 ($45,983); 2,350 @ $16.09 ($37,800); 1,000 @ $16.11 ($16,110) — total acquired $99,893.
Award: 1,058 shares reported as an award/grant at $0.00.
Shares owned after the transactions: not specified in the provided filing details.
Notable footnotes on vesting: several grants/options referenced vest at 20% per year (see F1–F6). Some reported shares represent unvested portions of earlier grants (e.g., F2 and F3 describe unvested balances of prior awards).
Filing timeliness: filed the day after the trades (within the usual two-business-day Form 4 reporting window).

Context

The filing combines routine open-market selling and buying along with a company award. Purchases can be seen as a stronger signal of accumulation than sales, but awards often include unvested shares and follow preset vesting schedules (here, many awards/options vest 20% per year).
These trades were reported by a company director (not indicated as a 10% owner); the award includes unvested components subject to vesting schedules described in the footnotes.

Form 4

Period: 2026-06-10

Director

Transactions

Sale
Common Stock
2026-06-10$16.04/sh−5,000$80,175→ 0 total(indirect: By LLC)
Sale
Common Stock
2026-06-10$16.04/sh−1,000$16,035→ 0 total(indirect: By LLC)
Award
Common Stock
[F1]
2026-06-10+1,058→ 25,580 total
Purchase
Common Stock
[F2][F3]
2026-06-10$16.13/sh+2,850$45,983→ 28,430 total
Purchase
Common Stock
2026-06-10$16.09/sh+2,350$37,800→ 20,099 total(indirect: By IRA)
Purchase
Common Stock
2026-06-10$16.11/sh+1,000$16,110→ 4,100 total(indirect: By Spouse)

Holdings

Common Stock
(indirect: By Spouse)
900
Stock Option (Right to Buy)
[F4]
Exercise: $13.30Exp: 2032-09-01→ Common Stock (21,160 underlying)
21,160
Stock Option (Right to Buy)
[F5]
Exercise: $12.08Exp: 2035-06-10→ Common Stock (2,645 underlying)
2,645
Stock Option (Right to Buy)
[F6]
Exercise: $15.96Exp: 2036-06-10→ Common Stock (2,645 underlying)
2,645

Footnotes (6)

[F1]Represents the grant of shares pursuant to the Issuer's 2022 Recognition and Retention Plan and Trust Agreement that vest at 20% per year commencing on June 10, 2027.
[F2]Includes 847 shares granted pursuant to the Issuer's 2022 Recognition and Retention Plan and Trust Agreement that reflect the unvested portion of a grant amount originally covering 1,058 shares that commenced vesting 20% per year on June 10, 2026.
[F3]Includes 3,388 shares granted pursuant to the Issuer's 2022 Recognition and Retention Plan and Trust Agreement that reflect the unvested portion of a grant amount originally covering 8,464 shares that commenced vesting 20% per year on September 1, 2023.
[F4]The options are vesting at a rate of 20% per year commenced on September 1, 2023.
[F5]The options are vesting at a rate of 20% per year commenced on June 10, 2026.
[F6]The options vest at a rate of 20% per year commencing on June 10, 2027.

Signature

/s/ Jutta Codori by P.O.A. for Kirk E. Kleiser|2026-06-11

1 file