Viant CFO uses 35K shares for tax withholding

Viant Technology Inc. Chief Financial Officer Larry Madden reported a routine tax-related share withholding tied to vesting of restricted stock units.

Rhea-AI Filing Summary

Viant Technology Inc. Chief Financial Officer Larry Madden reported a routine tax-related share withholding tied to vesting of restricted stock units. On March 10, 2026, 35,289 shares of Class A Common Stock at $10.50 per share were withheld by the company to cover tax obligations, connected to the vesting of 65,408 restricted stock units. After this non-market transaction, Madden directly owned 370,265 shares of Class A Common Stock.

Insider Trade Summary

Exercise Price or Tax Liability: 35,289 shares

Exercise Price or Tax Liability 1 txn

Insider MADDEN LARRY

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock	35,289	$10.50	$371K

Holdings After Transaction: Class A Common Stock — 370,265 shares (Direct)

Footnotes (1)

1. F1. Shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 65,408 restricted stock units on March 10th, 2026. These shares were neither issued to nor sold by the Reporting Person.

FAQ

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

What insider transaction did Viant Technology (DSP) report for Larry Madden?

Viant Technology reported that CFO Larry Madden had 35,289 shares of Class A Common Stock withheld by the company at $10.50 per share to satisfy tax obligations related to restricted stock unit vesting, rather than executing an open-market purchase or sale.

Was the Viant Technology (DSP) CFO’s Form 4 a stock sale in the market?

No, the Form 4 shows a tax-withholding disposition. The 35,289 shares were withheld by Viant Technology to pay taxes on vesting of 65,408 restricted stock units, and the filing states these shares were neither issued to nor sold by Larry Madden.

How many Viant Technology (DSP) restricted stock units vested for the CFO?

The filing states that 65,408 restricted stock units vested on March 10, 2026. To cover the related tax withholding obligations, Viant Technology withheld 35,289 shares of Class A Common Stock instead of the CFO conducting a separate cash payment or market sale.

How many Viant Technology (DSP) shares does the CFO own after this transaction?

After the tax-withholding transaction, CFO Larry Madden directly owned 370,265 shares of Viant Technology Class A Common Stock. This figure reflects his position following the share withholding related to the restricted stock unit vesting reported in the Form 4 filing.

What does transaction code F mean in the Viant Technology (DSP) Form 4?

Transaction code F in this Form 4 indicates a payment of tax liability by delivering securities. For Viant Technology, it reflects 35,289 shares withheld by the issuer to satisfy taxes on vested restricted stock units, not an open-market sale by the CFO.

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

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Accepted by SEC EDGAR 03/12/2026 - 06:35 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^*

MADDEN LARRY

(Last) (First) (Middle)

C/O VIANT TECHNOLOGY INC.

2722 MICHELSON DRIVE, SUITE 100

(Street)

IRVINE CA 92612

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Viant Technology Inc. [ DSP ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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
Class A Common Stock	03/10/2026		F		35,289(1)	D	$10.5	370,265	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 by the Issuer to satisfy tax withholding obligations in connection with the vesting of 65,408 restricted stock units on March 10th, 2026. These shares were neither issued to nor sold by the Reporting Person.

Remarks:

	/s/ Larry Madden	03/12/2026
	** 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.
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