Smith Micro (SMSI) CFO Huffmyer has 1,788 shares withheld to cover taxes

Rhea-AI Filing Summary

SMITH MICRO SOFTWARE executive Timothy C. Huffmyer, who serves as VP, COO, CFO and Treasurer, reported a routine tax-related share disposition. On this Form 4, 1,788 shares of common stock were withheld at an average vesting price of $0.846 per share to cover income taxes on vested equity. After this withholding, Huffmyer directly holds 184,567 shares of common stock, so the transaction represents a small, non‑market adjustment to his position rather than an open‑market sale.

SEC Form 4

FORM 4

UNITED 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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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^*

Huffmyer Timothy C.

(Last) (First) (Middle)

5800 CORPORATE DRIVE

(Street)

PITTSBURGH PA 15237

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SMITH MICRO SOFTWARE, INC. [ SMSI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, COO, CFO and Treasurer

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common stock	03/13/2026		F		1,788	D	$0.846(1)	184,567	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares withheld, at an average vesting price of $0.846 per share, for the payment of income taxes.

	/s/ Jennifer M. Reinke as attorney-in-fact for Timothy C. Huffmyer	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did SMSI executive Timothy Huffmyer report on this Form 4?

Timothy Huffmyer reported a routine tax-withholding transaction. The company withheld 1,788 shares of Smith Micro Software common stock at $0.846 per share to pay income taxes arising from vested equity, rather than selling shares in the open market.

How many SMSI shares were withheld for taxes in Huffmyer’s latest filing?

The filing shows 1,788 Smith Micro Software common shares withheld. These shares were taken at an average vesting price of $0.846 per share specifically to satisfy income tax obligations tied to equity vesting, not as a discretionary sale of stock.

What is Timothy Huffmyer’s shareholding in SMSI after this tax-withholding event?

Following the tax-withholding disposition, Timothy Huffmyer directly holds 184,567 shares of Smith Micro Software common stock. This indicates the withholding affected only a small portion of his total position, leaving his overall ownership largely unchanged after the transaction.

Was the SMSI insider transaction an open-market sale of shares?

No, the transaction was not an open-market sale. It was coded as a tax-withholding disposition, meaning 1,788 shares were withheld by the issuer at $0.846 per share to cover income taxes on vested equity awards rather than being sold on the market.

What does the F transaction code mean in the SMSI Form 4 for Timothy Huffmyer?

The F code indicates a tax-withholding disposition. In this case, 1,788 Smith Micro Software shares were withheld at $0.846 per share to pay income taxes on vested stock, a standard administrative event instead of a voluntary buy or sell decision.