Kirk E. Kleiser - 28 Oct 2025 Form 4 Insider Report for Catalyst Bancorp, Inc. (CLST)

Reporting relationship
Director
Issuer ticker
CLST
Reported as of
28 Oct 2025
Net transaction value
+$27.98
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
30 Oct 2025, 16:13:54 UTC
Prior SEC filing
13 Jun 2025
Next SEC filing
11 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jutta Codori by P.O.A. for Kirk E. Kleiser

Key filing fact

Kirk E. Kleiser filed Form 4 for Catalyst Bancorp, Inc. (CLST) on 30 Oct 2025.

Key facts

  • This page summarizes Kirk E. Kleiser's Form 4 filing for Catalyst Bancorp, Inc. (CLST).
  • 5 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 30 Oct 2025, 16:13.

Change

  • Previous filing in this sequence was filed on 13 Jun 2025.
  • Current net transaction value: +$27.98.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001885818 Primary reporting owner

Kleiser Kirk E.

Relationship
Director
Address
C/O CATALYST BANCORP INC, 235 N COURT ST, OPELOUSAS
Signature
/s/ Jutta Codori by P.O.A. for Kirk E. Kleiser
Signature date
30 Oct 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLST transaction

Common Stock

Sale

Transaction value
$20,145
Shares
-1,500
Change %
-32%
Price
$13.43
Shares after
3,250
Date
28 Oct 2025
Ownership
By Kleiser Enterprises Corporation
CLST transaction

Common Stock

Sale

Transaction value
$33,475
Shares
-2,500
Change %
-77%
Price
$13.39
Shares after
750
Date
28 Oct 2025
Ownership
By Kleiser Enterprises Corporation
CLST transaction

Common Stock

Sale

Transaction value
$10,048
Shares
-750
Change %
-100%
Price
$13.40
Shares after
0
Date
28 Oct 2025
Ownership
By Kleiser Enterprises Corporation
CLST transaction

Common Stock

Purchase

Transaction value
$1,340
Shares
+100
Change %
+0.77%
Price
$13.40
Shares after
13,099
Date
28 Oct 2025
Ownership
By IRA
CLST transaction

Common Stock

Purchase

Transaction value
$62,356
Shares
+4,650
Change %
+35%
Price
$13.41
Shares after
17,749
Date
28 Oct 2025
Ownership
By IRA
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
24,522
Date
28 Oct 2025
Ownership
Direct
Footnotes
F1
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000
Date
28 Oct 2025
Ownership
By K & G On the Geaux LLC
Footnotes
F2
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,000
Date
28 Oct 2025
Ownership
By K Kleiser LLC
Footnotes
F3
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
3,100
Date
28 Oct 2025
Ownership
By Spouse in IRA
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
900
Date
28 Oct 2025
Ownership
By Spouse

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CLST holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
21,160
Date
28 Oct 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
21,160
Exercise price
$13.30
Footnotes
F4
CLST holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,645
Date
28 Oct 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,645
Exercise price
$12.08
Footnotes
F5
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Includes 3,384 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.

Footnote F2

The 1,000 shares are held by the K&G On the GEAUX LLC of which the reporting person is a senior managing member and 60% owner.

Footnote F3

The 5,000 shares are held by the K Kleiser LLC of which the reporting person is the sole member.

Footnote F4

The options are vesting at a rate of 20% per year commenced on September 1, 2023.

Footnote F5

The options vest at a rate of 20% per year commencing on June 10, 2026.

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