Was the Viant Technology (DSP) CFO’s share sale an open-market transaction?

Yes. The Form 4 classifies the 25,376-share disposition as an open-market sale of Class A common stock at $11.10 per share. However, the filing notes the sale was arranged to satisfy estimated tax obligations from restricted stock unit vesting.

Viant Technology (DSP) CFO sells 25,376 shares to cover RSU tax obligations

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Viant Technology Inc.’s Chief Financial Officer Larry Madden reported an open-market sale of 25,376 shares of Class A common stock at $11.10 per share. According to the disclosure, the transaction was initiated by the company to cover estimated taxes from the vesting and settlement of restricted stock units. Following this tax-related sale, Madden directly holds 459,155 shares.

Insider Trade Summary

Net Seller: 25,376 shares ($281,674)

Net Sell 1 txn

Insider MADDEN LARRY

Role Chief Financial Officer

Sold 25,376 shs ($282K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	25,376	$11.10	$282K

Holdings After Transaction: Class A Common Stock — 459,155 shares (Direct, null)

Footnotes (1)

[object Object]

Key Figures

Shares sold: 25,376 shares Sale price: $11.10 per share Shares owned after: 459,155 shares +1 more

4 metrics

Shares sold 25,376 shares Open-market sale of Class A common stock

Sale price $11.10 per share Price for Class A common stock sold

Shares owned after 459,155 shares Direct holdings following the reported sale

Net share change -25,376 shares Net sell direction in transaction summary

Key Terms

restricted stock units, open-market sale, Class A Common Stock

3 terms

restricted stock units financial

"to cover estimated taxes associated with the vesting and settlement of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Class A Common Stock financial

"security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

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Form 4 Insider Transactions: What Each Field Means →

06/15/2026 - 08:41 PM

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

CALIFORNIA

92612

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	06/15/2026		S⁽¹⁾		25,376	D	$11.1	459,155	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares were sold in a transaction instituted by the Issuer on the Reporting Person's behalf to cover estimated taxes associated with the vesting and settlement of restricted stock units.

Remarks:

	/s/ Larry Madden	06/15/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Viant Technology (DSP) disclose in Larry Madden’s latest Form 4?

Viant Technology reported that CFO Larry Madden sold 25,376 shares of Class A common stock at $11.10 per share. The transaction was arranged by the company to cover estimated taxes from vesting restricted stock units, and he now directly holds 459,155 shares.

How many Viant Technology (DSP) shares did the CFO sell and at what price?

CFO Larry Madden sold 25,376 shares of Viant Technology Class A common stock at $11.10 per share. This was an open-market transaction executed to cover estimated tax obligations tied to the vesting and settlement of restricted stock units.

Why were Viant Technology (DSP) shares sold by CFO Larry Madden?

The shares were sold to cover estimated taxes associated with restricted stock unit vesting. The company instituted the transaction on CFO Larry Madden’s behalf in connection with the vesting and settlement of those equity awards, rather than as a discretionary portfolio trade.

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

After the tax-related sale, CFO Larry Madden directly holds 459,155 shares of Viant Technology Class A common stock. This figure reflects his remaining beneficial ownership as reported in the Form 4 following the 25,376-share disposition.

Does the Viant Technology (DSP) Form 4 indicate any derivative exercises by the CFO?

No derivative exercises are reported in this Form 4. The transaction summary shows zero derivative transactions and zero exercised shares, with activity limited to an open-market sale of 25,376 non-derivative Class A common shares for tax-related purposes.