AllianceBernstein’s 6.1% passive stake in Sound Financial Bancorp (SFBC) detailed

Rhea-AI Filing Summary

AllianceBernstein L.P. has filed a Schedule 13G reporting beneficial ownership of 157,493 shares of Sound Financial Bancorp Inc. common stock, representing 6.1% of the class as of 12/31/2025.

The shares are held in discretionary investment advisory accounts for clients, with AllianceBernstein having sole power to vote and dispose of all 157,493 shares and no shared voting or dispositive power. AllianceBernstein certifies the position was acquired and is held in the ordinary course of business, not for the purpose of changing or influencing control of Sound Financial Bancorp.

Insights

Institutional ownership and governance analyst

AllianceBernstein reports a passive 6.1% stake in Sound Financial Bancorp.

AllianceBernstein L.P. discloses beneficial ownership of 157,493 common shares of Sound Financial Bancorp Inc., equal to 6.1% of the class as of 12/31/2025. The firm reports sole voting and dispositive power over this entire block.

The filing specifies the shares are held in client discretionary advisory accounts and were acquired in the ordinary course of business, using the 13G framework for passive ownership. It also states they are not held to change or influence control of the bank.

AllianceBernstein is described as a majority-owned subsidiary of Equitable Holdings, Inc., though it operates under independent management and calculates beneficial ownership separately. Any future changes in this stake would typically appear in updated ownership reports or subsequent beneficial ownership filings.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Sound Financial Bancorp Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

83607A100

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 83607A100

1

Names of Reporting Persons

AllianceBernstein L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 157,493.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 157,493.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

157,493.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.1 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Sound Financial Bancorp Inc
(b)	Address of issuer's principal executive offices: 2400 3RD AVENUE, SUITE 150, SEATTLE, WA 98121
Item 2.
(a)	Name of person filing: AllianceBernstein L.P. ("AllianceBernstein L.P.")
(b)	Address or principal business office or, if none, residence: 501 Commerce Street, Nashville, TN 37203 All media outlets, please contact Jennifer Will at AllianceBernstein (212-969-1157) with any questions. All other questions can be directed to Section13USFilings@alliancebernstein.com.
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 83607A100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 157,493 shares acquired solely for investment purposes on behalf of client discretionary investment advisory accounts.* *AllianceBernstein L.P. is a majority owned subsidiary of Equitable Holdings, Inc. ("EQH"). AllianceBernstein operates under independent management and makes independent decisions from EQH and its respective subsidiaries, and EQH calculates and reports beneficial ownership separately from AllianceBernstein pursuant to guidance provided by the Securities and Exchange Commission in Release Number 34-39538 (January 12, 1998).
(b)	Percent of class: 6.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 157,493
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 157,493
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

AllianceBernstein L.P.

Signature:	Marcus Edwards
Name/Title:	AVP/ Senior Compliance Associate
Date:	02/17/2026

FAQ

What stake does AllianceBernstein L.P. report in Sound Financial Bancorp (SFBC)?

AllianceBernstein L.P. reports beneficial ownership of 157,493 shares of Sound Financial Bancorp common stock, representing 6.1% of the class as of December 31, 2025. This crosses the 5% threshold that requires public disclosure via a Schedule 13G filing.

Is AllianceBernstein’s 6.1% position in SFBC an active or passive stake?

AllianceBernstein characterizes the stake as passive. It certifies the shares were acquired and are held in the ordinary course of business and not for the purpose or effect of changing or influencing control of Sound Financial Bancorp.

How many SFBC shares can AllianceBernstein vote and dispose of?

AllianceBernstein reports sole voting power and sole dispositive power over all 157,493 shares. It discloses zero shared voting power and zero shared dispositive power, meaning all reported authority rests with AllianceBernstein for these client accounts.

On whose behalf does AllianceBernstein hold its SFBC shares?

The filing states the 157,493 shares of Sound Financial Bancorp are held for client discretionary investment advisory accounts. AllianceBernstein acts as an investment adviser, exercising voting and disposition authority but holding the shares for its advisory clients, not as proprietary inventory.

What is the relationship between AllianceBernstein and Equitable Holdings in this SFBC filing?

AllianceBernstein L.P. is described as a majority-owned subsidiary of Equitable Holdings, Inc. (EQH). The filing notes AllianceBernstein operates under independent management, and EQH calculates and reports its own beneficial ownership separately under SEC guidance.

Why did AllianceBernstein have to file a Schedule 13G for SFBC?

AllianceBernstein crossed the 5% beneficial ownership threshold, holding 6.1% of Sound Financial Bancorp’s common stock. SEC rules require investors with over 5% of a class of equity securities to publicly disclose their holdings on Schedule 13D or 13G, depending on their intent.