William W. Smith Jr. - 10 Mar 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: 10 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 10 Mar 2026, 17:40:45 UTC
Previous filing: 06 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.	10 Mar 2026	0001251368

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SMSI	Common stock purchase warrant	Award		+8,818,254			8,818,254	10 Mar 2026	Common stock	8,818,254	$0.6800	Smith Living Trust	F1
transaction	SMSI	Secured convertible note	Award					$4,585,492	10 Mar 2026	Common stock	6,743,371	$0.6800	Smith Living Trust	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	Pursuant to a Securities Purchase Agreement, dated March 4, 2026, between Smith Micro Software, Inc. and the Buyer parties thereto, Smith Living Trust agreed to purchase a secured convertible note together with a warrant for an aggregate purchase price of $4,585,491.93. The purchase was completed and the securities were issued on March 10, 2026.
F2	Original principal amount of the secured convertible note (in dollars).
F3	Assumes conversion of the full original principal amount of the secured convertible note into shares of common stock.