AllianceBernstein holds 8.4% of Sound Financial Bancorp

AllianceBernstein L.P., a Delaware limited partnership, reports beneficial ownership of 215,780 shares of Sound Financial Bancorp Inc. common stock on behalf of client discretionary investment advisory accounts.

Rhea-AI Filing Summary

AllianceBernstein L.P., a Delaware limited partnership, reports beneficial ownership of 215,780 shares of Sound Financial Bancorp Inc. common stock on behalf of client discretionary investment advisory accounts. This position represents 8.4% of the class. AllianceBernstein has sole voting power and sole dispositive power over all 215,780 shares, with no shared voting or dispositive power. The filing states the shares were acquired solely for investment purposes and notes that AllianceBernstein is a majority-owned subsidiary of Equitable Holdings, Inc., but operates under independent management and reports beneficial ownership separately.

Key Figures

Beneficial ownership: 215,780 shares Percent of class: 8.4% Sole voting power: 215,780 shares +1 more

4 metrics

Beneficial ownership 215,780 shares Common stock of Sound Financial Bancorp Inc. beneficially owned by AllianceBernstein L.P.

Percent of class 8.4% Portion of Sound Financial Bancorp Inc. common stock class held by AllianceBernstein L.P.

Sole voting power 215,780 shares Shares over which AllianceBernstein L.P. has sole power to vote or direct the vote

Sole dispositive power 215,780 shares Shares over which AllianceBernstein L.P. has sole power to dispose or direct disposition

Key Terms

beneficially owned, Sole Voting Power, dispositive power, discretionary investment advisory accounts

4 terms

beneficially owned financial

"Amount beneficially owned: 215,780 shares acquired solely for investment purposes"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Voting Power financial

"Sole Voting Power 215,780.00 6 | Shared Voting Power 0.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

dispositive power financial

"Sole Dispositive Power 215,780.00 8 | Shared Dispositive Power 0.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

discretionary investment advisory accounts financial

"shares acquired solely for investment purposes on behalf of client discretionary investment advisory accounts"

FAQ

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

What percentage of Sound Financial Bancorp (SFBC) does AllianceBernstein own?

AllianceBernstein L.P. reports beneficial ownership of 8.4% of the outstanding common stock of Sound Financial Bancorp Inc., representing its holdings across client discretionary investment advisory accounts.

How many SFBC shares does AllianceBernstein beneficially own?

AllianceBernstein L.P. beneficially owns 215,780 shares of Sound Financial Bancorp Inc. common stock, held for client discretionary investment advisory accounts and reported as acquired solely for investment purposes.

Does AllianceBernstein control voting rights for its SFBC shares?

Yes. AllianceBernstein L.P. reports sole voting power over 215,780 shares of Sound Financial Bancorp Inc., with no shared voting power reported for these holdings.

What dispositive power does AllianceBernstein have over SFBC shares?

AllianceBernstein L.P. has sole dispositive power over 215,780 shares of Sound Financial Bancorp Inc. common stock and reports no shared dispositive power over any shares.

In what capacity does AllianceBernstein hold SFBC shares?

The 215,780 SFBC shares are held by AllianceBernstein L.P. solely for investment purposes on behalf of client discretionary investment advisory accounts, rather than as proprietary firm holdings.

How is AllianceBernstein related to Equitable Holdings in this SFBC filing?

AllianceBernstein L.P. is described as a majority owned subsidiary of Equitable Holdings, Inc., but it operates under independent management and reports beneficial ownership separately from Equitable Holdings.

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

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Available on EDGAR 08/14/2026 - 03:31 PM Accepted by SEC EDGAR 08/14/2026 - 03:30 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Sound Financial Bancorp Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

83607A100

(CUSIP Number)

06/30/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 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 215,780.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 215,780.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

215,780.00

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)

8.4 %

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: 215,780 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: 8.4 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 215,780
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 215,780
	(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:	08/14/2026