Viant Technology Inc. — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Viant Technology Inc. (DSP)
CIK: 0001828791
Period of Report: 2026-02-17

Reporting Person: Vanderhook Timothy (Director, CEO and Chairman, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Class A Common Stock	M	12500	—	Acquired	12500	Indirect
2026-02-17	Class B Common Stock	D	12500	—	Disposed	9132275	Indirect
2026-02-17	Class A Common Stock	S	4079	$9.2645	Disposed	8421	Indirect
2026-02-18	Class A Common Stock	S	4722	$9.1853	Disposed	3699	Indirect
2026-02-19	Class A Common Stock	S	3279	$9.1718	Disposed	420	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-17	Class B Units	$	M	12500	Disposed		Class A Common Stock (12500)	Indirect

Footnotes

F1: The Class B Units of Viant Technology LLC ("Class B Units") are exchangeable, at the holder's option, on a one-for-one basis into shares of Class A common stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B common stock will be automatically cancelled.

F2: The Reporting Person holds a one-third interest in Capital V LLC and may therefore be deemed to have an indirect pecuniary interest in one-third of Capital V LLC's total holdings.

F3: Reflects the cancellation for no consideration of a number of shares of Class B common stock of the Issuer in connection with the redemption by Capital V LLC of an equal number of Class B Units for Class A common stock.

F4: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025.

F5: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 12,237 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $9.17 to $9.56. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,167 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $9.03 to $9.39. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 9,836 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $9.02 to $9.295. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.