Jacques L. J. Bourque - 10 Jun 2026 Form 4 Insider Report for Catalyst Bancorp, Inc. (CLST)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
12 Jun 2026, 17:48:50 UTC
Prior SEC filing
02 Sep 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jutta Codori by P.O.A. for Jacques L. J. Bourque

Key filing fact

Jacques L. J. Bourque filed Form 4 for Catalyst Bancorp, Inc. (CLST) on 12 Jun 2026.

Key facts

  • This page summarizes Jacques L. J. Bourque's Form 4 filing for Catalyst Bancorp, Inc. (CLST).
  • 3 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 12 Jun 2026, 17:48.

Change

  • Previous filing in this sequence was filed on 02 Sep 2025.
  • Current net transaction value: $0.

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 0001911094 Primary reporting owner

Bourque Jacques L.J.

Relationship
CHIEF FINANCIAL OFFICER
Address
C/O CATALYST BANCORP INC, 235 N COURT ST, OPELOUSAS
Signature
/s/ Jutta Codori by P.O.A. for Jacques L. J. Bourque
Signature date
12 Jun 2026

Reported non-derivative transactions

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

CLST transaction

Common Stock

Tax liability

Transaction value
Shares
-131
Change %
-2.8%
Price
$15.96*
Shares after
4,466
Date
10 Jun 2026
Ownership
Direct
Footnotes
F1, F2, F3
CLST transaction

Common Stock

Award

Transaction value
Shares
+1,000
Change %
+28%
Price
$0.000000*
Shares after
4,597
Date
10 Jun 2026
Ownership
Direct
Footnotes
F2, F3, F4
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
827
Date
10 Jun 2026
Ownership
By 401(k) Plan
Footnotes
F5
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,793
Date
10 Jun 2026
Ownership
By ESOP
Footnotes
F6
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
100
Date
10 Jun 2026
Ownership
As Utma Custodian for Quinn Bourque
CLST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
100
Date
10 Jun 2026
Ownership
As Utma Custodian for Levi Bourque

Reported derivative securities

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

CLST transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares
+2,000
Change %
Price
$0.000000*
Shares after
2,000
Date
10 Jun 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,000
Exercise price
$15.96
Footnotes
F9
CLST holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,000
Date
10 Jun 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
5,000
Exercise price
$13.30
Footnotes
F7
CLST holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
4,000
Date
10 Jun 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,000
Exercise price
$12.08
Footnotes
F8
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote F1

Disposition solely to meet tax obligation for distribution from stock benefit plan.

Footnote F2

Includes 1,600 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 2,000 shares that commenced vesting 20% per year on June 10, 2026.

Footnote F3

Includes 800 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 2,000 shares that commenced vesting 20% per year on September 1, 2023.

Footnote F4

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.

Footnote F5

Includes shares acquired in the Catalyst Bank 401(k) Plan since the last filed Form 4, based on a report dated June 4, 2026.

Footnote F6

Includes shares allocated to the reporting person's account in the ESOP since the last filed Form 4, as of December 31, 2025.

Footnote F7

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

Footnote F8

These options are vesting at a rate of 20% per year that commenced on June 10, 2026.

Footnote F9

The options vest at a rate of 20% per year commencing on June 10, 2027.

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