SMSI (SMSI) CEO Huffmyer has 588 shares withheld for tax obligations

Rhea-AI Filing Summary

SMITH MICRO SOFTWARE, INC. President and CEO Timothy C. Huffmyer reported a small tax-related share disposition. On the vesting date, 588 shares of common stock were withheld at an average vesting price of $0.8685 per share to cover income taxes. After this tax-withholding transaction, he directly holds 183,391 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Huffmyer Timothy C.

Role President and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common stock	588	$0.8685	$510.68

Holdings After Transaction: Common stock — 183,391 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 588 shares Average vesting price: $0.8685 per share Shares held after transaction: 183,391 shares

3 metrics

Shares withheld for taxes 588 shares Tax-withholding disposition on common stock

Average vesting price $0.8685 per share Price used for tax-withholding shares

Shares held after transaction 183,391 shares Direct common stock ownership post-transaction

Key Terms

tax-withholding disposition, Common stock, vesting price

3 terms

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common stock financial

"security_title: "Common stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

vesting price financial

"average vesting price of $0.8685 per share"

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 PENNSYLVANIA 15237

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

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

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

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

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	05/14/2026		F		588	D	$0.8685(1)	183,391	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 $0.8685 per share, for the payment of income taxes.

	/s/ Jennifer M. Reinke as attorney-in-fact for Timothy C. Huffmyer	05/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did SMSI President and CEO Timothy Huffmyer report?

Timothy Huffmyer reported a tax-withholding disposition of shares. In this transaction, 588 shares of SMITH MICRO SOFTWARE common stock were withheld to satisfy income tax obligations arising from share vesting, rather than being sold on the open market.

How many SMSI shares were withheld for Timothy Huffmyer’s taxes and at what price?

A total of 588 shares of SMITH MICRO SOFTWARE common stock were withheld. The shares were withheld at an average vesting price of $0.8685 per share, according to the Form 4 disclosure and its accompanying footnote description.

Does the Form 4 show Timothy Huffmyer selling SMSI shares in the market?

The Form 4 shows a tax-withholding disposition, not an open-market sale. Shares were delivered back to the issuer to cover income taxes associated with vesting, which is a routine administrative transaction rather than a discretionary market trade.

How many SMITH MICRO SOFTWARE (SMSI) shares does Timothy Huffmyer hold after the transaction?

Following the tax-withholding transaction, Timothy Huffmyer directly holds 183,391 shares of SMITH MICRO SOFTWARE common stock. This figure reflects his post-transaction position as disclosed in the Form 4’s share ownership field.

What does transaction code F mean in Timothy Huffmyer’s SMSI Form 4?

Transaction code F indicates a payment of tax liability by delivering securities. In this SMSI filing, 588 vested shares were withheld at $0.8685 per share to cover income taxes, rather than being sold on the market for cash proceeds.