SMSI CEO reports routine tax-withholding share disposition

SMITH MICRO SOFTWARE, INC.

Rhea-AI Filing Summary

SMITH MICRO SOFTWARE, INC. President and CEO Timothy C. Huffmyer reported a routine tax-withholding disposition of company stock. On April 27, 2026, 588 shares of common stock were withheld at an average vesting price of $0.70 per share to cover income taxes related to equity compensation. After this non-market transaction, Huffmyer directly owns 183,979 shares of SMITH MICRO SOFTWARE common stock, indicating only a very small change in his overall holdings.

Insider Trade Summary

Exercise Price or Tax Liability: 588 shares

Exercise Price or Tax Liability 1 txn

Insider Huffmyer Timothy C.

Role President and CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common stock	588	$0.70	$411.60

Holdings After Transaction: Common stock — 183,979 shares (Direct)

Footnotes (1)

1. F1. Shares withheld, at an average vesting price of $0.70 per share, for the payment of income taxes.

Key Figures

Tax-withheld shares: 588 shares Withholding price: $0.70 per share Shares held after transaction: 183,979 shares

3 metrics

Tax-withheld shares 588 shares Common stock withheld to pay income taxes

Withholding price $0.70 per share Average vesting price used for tax calculation

Shares held after transaction 183,979 shares Direct ownership following tax-withholding disposition

Key Terms

tax-withholding disposition, Form 4, Common stock, vesting price

4 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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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

"at an average vesting price of $0.70 per share"

FAQ

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

What insider transaction did SMSI President and CEO Timothy Huffmyer report on this Form 4?

Timothy Huffmyer reported a tax-withholding disposition of SMITH MICRO SOFTWARE common stock. 588 shares were withheld at $0.70 per share to pay income taxes tied to vested equity compensation, rather than being sold in the open market.

Did Timothy Huffmyer buy or sell SMITH MICRO SOFTWARE (SMSI) shares in the open market?

No open-market trade occurred. The Form 4 shows 588 shares of common stock were withheld for taxes at $0.70 per share upon vesting, a non-market transaction used to satisfy income tax obligations on equity awards.

How many SMITH MICRO SOFTWARE (SMSI) shares does Timothy Huffmyer hold after this Form 4 transaction?

Following the tax-withholding transaction, Timothy Huffmyer directly holds 183,979 shares of SMITH MICRO SOFTWARE common stock. The 588 shares withheld for taxes represent a very small portion of his disclosed post-transaction ownership position.

What does the tax-withholding price of $0.70 per SMSI share represent in this Form 4?

The Form 4 notes shares were withheld at an average vesting price of $0.70 per share. This figure reflects the value used to calculate income taxes on the vested stock, not a public market sale price or newly negotiated transaction price.

Is the Form 4 transaction by SMSI’s CEO a signal of changing sentiment toward the stock?

The disclosed transaction is a routine tax-withholding event, not an open-market sale or purchase. 588 shares were withheld to cover income taxes on vested stock, while Huffmyer continues to hold 183,979 shares, suggesting limited informational value about sentiment.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 04/28/2026 - 05:40 PM EDT Learn about SEC filing dates

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)
04/27/2026

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	04/27/2026		F		588	D	$0.7(1)	183,979	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 $0.70 per share, for the payment of income taxes.

	/s/ Jennifer M. Reinke as attorney-in-fact for Timothy C. Huffmyer	04/28/2026
	** 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)