William W. Smith Jr. - 27 Feb 2026 Form 4 Insider Report for SMITH MICRO SOFTWARE, INC. (SMSI)

Role: President and CEO, Director, 10%+ Owner
Signature: /s/ Jennifer M. Reinke as attorney-in-fact for William W. Smith, Jr.
Issuer symbol: SMSI
Transactions as of: 27 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 06 Mar 2026, 16:06:32 UTC
Previous filing: 24 Feb 2026
Next filing: 10 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SMITH WILLIAM W JR	President and CEO, Director, 10%+ Owner	5800 CORPORATE DRIVE, PITTSBURGH	/s/ Jennifer M. Reinke as attorney-in-fact for William W. Smith, Jr.	06 Mar 2026	0001251368

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SMSI	Common stock	Tax liability		-43,366	-12%	$0.5230^*	314,325	27 Feb 2026	Direct	F1
transaction	SMSI	Common stock	Disposed to Issuer		-12,626	-4%	$0.000000^*	301,669	04 Mar 2026	Direct	F2
holding	SMSI	Common stock						5,517,674	27 Feb 2026	Smith Living Trust

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares withheld, at an average vesting price of $0.523 per share, for the payment of income taxes.
F2	Shares of restricted stock forfeited in accordance with the terms of grant.