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Sound Financial Bancorp trust sells 900 shares

The trust agreement governed the trustee's sale under a Rule 10b5-1(c) plan, not at the CEO's direction.

(Neutral)

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Form Type
4

Rhea-AI Filing Summary

At Sound Financial Bancorp, Inc. (SFBC), the independent third-party trustee of the Stewart Charitable Remainder Trust sold 900 shares on September 30, 2026, at $45.99 per share. The sale was not at the direction of CEO and director Laura Lee Stewart; it followed trust-agreement instructions under a Rule 10b5-1(c) plan adopted December 10, 2025. The trust held 8,100 shares after the sale. As of September 30, 2026, Stewart also reported 49,602 shares directly, 14,409 through the ESOP, and 18,906 through the 401(k).

Insider Stewart Laura Lee
Role Chief Executive Officer
Sold 900 shs ($41K)
Type Security Shares Price Value
Sale Common Stock F4, F3 900 $45.99 $41K
holding Stock Option (Right to Buy) F1 -- -- --
holding Stock Option (Right to Buy) F1 -- -- --
holding Stock Option (Right to Buy) F1 -- -- --
holding Stock Option (Right to Buy) F1 -- -- --
holding Stock Option (Right to Buy) F2 -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 8,100 shares (Indirect, By CRT); Stock Option (Right to Buy) — 2,729 contracts (Direct); Common Stock — 14,409 shares (Indirect, By ESOP); Common Stock — 18,906 shares (Indirect, By 401(k)); Common Stock — 49,602 shares (Direct)
Footnotes (4)
  1. F1. Options are fully exercisable.
  2. F2. Options vest in three equal annual installments beginning on January 26, 2025.
  3. F3. On December 10, 2025, the reporting person contributed 10,800 shares of Sound Financial Bancorp, Inc. common stock to the Stewart Charitable Remainder Trust ("CRT") for estate planning purposes, resulting in a change in form of beneficial ownership from direct to indirect. The reporting person is the sole lifetime beneficiary of the CRT and retains the right to receive distributions in accordance with the terms of the trust. An independent third-party trustee serves as the trustee of the CRT and holds sole voting and dispositive power over the shares held by the trust.
  4. F4. These shares were sold by the trustee of the CRT, and not at the direction of the reporting person, pursuant to instructions contained in the trust agreement governing the CRT, in accordance with Rule 10b5-1(c) adopted on December 10, 2025. Following the reported transaction, the reporting person continues to hold a meaningful equity interest in the Company through remaining share ownership and outstanding equity awards.
Common shares sold 900 shares Sale on September 30, 2026
Per-share sale price $45.99 per share Sale on September 30, 2026
Trust shares following sale 8,100 shares Reported after the September 30, 2026 sale
Direct common stock holdings 49,602 shares Reported as of September 30, 2026
ESOP common stock holdings 14,409 shares Reported as of September 30, 2026
401(k) common stock holdings 18,906 shares Reported as of September 30, 2026
Stock options (right to buy) 250 shares at $33.50, expiring January 25, 2029; 120 shares at $36.26, expiring January 31, 2030; 300 shares at $32.46, expiring January 27, 2031; 1,800 shares at $40.13, expiring January 27, 2033; and 259 shares at $39.89, expiring January 26, 2034 Direct options over common stock reported as of September 30, 2026
Rule 10b5-1(c) regulatory
"the trust's share sale under the trading plan"
Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.
Charitable Remainder Trust financial
"the Stewart trust that held the shares sold"
sole lifetime beneficiary financial
"Stewart's interest in the trust"
voting and dispositive power financial
"the trustee's authority over trust-held shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many SFBC shares did the trustee sell, and at what price?

The independent trustee of the Stewart Charitable Remainder Trust sold 900 SFBC shares at $45.99 per share on September 30, 2026; the trust held 8,100 shares after the sale.

Was the SFBC trust sale directed by Laura Lee Stewart?

No. The independent third-party trustee sold the shares under instructions in the trust agreement, not at Stewart's direction, and held sole voting and dispositive power over the trust shares. The sale was made under a Rule 10b5-1(c) plan adopted December 10, 2025.

What stock options did Laura Lee Stewart report for SFBC?

Stewart reported five direct options over SFBC common stock: 250 at $33.50 expiring January 25, 2029; 120 at $36.26 expiring January 31, 2030; 300 at $32.46 expiring January 27, 2031; 1,800 at $40.13 expiring January 27, 2033; and 259 at $39.89 expiring January 26, 2034. The first four are fully exercisable; the 259 options vest in three equal annual installments beginning January 26, 2025.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Stewart Laura Lee

(Last)(First)(Middle)
C/O SOUND FINANCIAL BANCORP, INC.
2400 3RD AVENUE, SUITE 150

(Street)
SEATTLE WASHINGTON 98121

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Sound Financial Bancorp, Inc. [ SFBC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock14,409IBy ESOP
Common Stock18,906IBy 401(k)
Common Stock09/30/2026S(4)900D$45.998,100(3)IBy CRT
Common Stock49,602D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$33.5 (1)01/25/2029Common Stock250250D
Stock Option (Right to Buy)$36.26 (1)01/31/2030Common Stock120120D
Stock Option (Right to Buy)$32.46 (1)01/27/2031Common Stock300300D
Stock Option (Right to Buy)$40.13 (1)01/27/2033Common Stock1,8001,800D
Stock Option (Right to Buy)$39.89 (2)01/26/2034Common Stock259259D
Explanation of Responses:
1. Options are fully exercisable.
2. Options vest in three equal annual installments beginning on January 26, 2025.
3. On December 10, 2025, the reporting person contributed 10,800 shares of Sound Financial Bancorp, Inc. common stock to the Stewart Charitable Remainder Trust ("CRT") for estate planning purposes, resulting in a change in form of beneficial ownership from direct to indirect. The reporting person is the sole lifetime beneficiary of the CRT and retains the right to receive distributions in accordance with the terms of the trust. An independent third-party trustee serves as the trustee of the CRT and holds sole voting and dispositive power over the shares held by the trust.
4. These shares were sold by the trustee of the CRT, and not at the direction of the reporting person, pursuant to instructions contained in the trust agreement governing the CRT, in accordance with Rule 10b5-1(c) adopted on December 10, 2025. Following the reported transaction, the reporting person continues to hold a meaningful equity interest in the Company through remaining share ownership and outstanding equity awards.
/s/ Laura Lee Stewart09/30/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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