Who actually executed the Viant Technology (DSP) share sales disclosed in this Form 4?

The sales were executed by Capital V LLC , reported as the indirect owner of the shares. Christopher Vanderhook holds a one-third interest in Capital V LLC and is deemed to have an indirect pecuniary interest in one-third of its holdings, but the Form 4 attributes ownership as " By Capital V LLC ."

Viant Technology (DSP) COO-linked Capital V LLC swaps units, sells Class A shares

Q: How many Viant Technology (DSP) Class B Units were exchanged for Class A shares?

On January 20, 2026 , Capital V LLC exchanged 12,500 Class B Units of Viant Technology LLC into 12,500 shares of Class A common stock . The filing explains that each Class B Unit is exchangeable on a one-for-one basis into a Class A share.

Q: What happened to the Viant Technology (DSP) Class B common shares linked to the exchanged units?

The filing explains that when a Class B Unit is exchanged for a Class A share , the corresponding Class B common share is automatically cancelled. In this case, 12,500 Class B common shares were cancelled for no consideration in connection with the January 20, 2026 exchange.

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Viant Technology Inc. insider activity centers on Capital V LLC, an entity associated with Chief Operating Officer and director Christopher Vanderhook. On January 20, 2026, Capital V LLC exercised 12,500 Class B Units of Viant Technology LLC into an equal number of Class A common shares, and the corresponding 12,500 Class B common shares were cancelled for no consideration. The Class B Units are exchangeable on a one-for-one basis into Class A shares.

Following this exchange, Class A shares held indirectly through Capital V LLC were sold under a Rule 10b5-1 trading plan adopted by Capital V LLC. The plan sales covered 5,000 Class A shares at $11.9403 on January 20, 4,926 shares at $12.2405 on January 21, and 2,574 shares at $12.8716 on January 22, 2026, all reported as indirectly owned "By Capital V LLC." Vanderhook holds a one-third interest in Capital V LLC and is therefore deemed to have an indirect pecuniary interest in one-third of its holdings.

Insider Trade Summary

Net Seller: 12,500 shares ($153,130)

Net Sell 6 txns

Insider Vanderhook Christopher

Role Chief Operating Officer

Sold 12,500 shs ($153K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	2,574	$12.8716	$33K
Sale	Class A Common Stock	4,926	$12.2405	$60K
Exercise	Class B Units	12,500	$0.00	--
Exercise	Class A Common Stock	12,500	$0.00	--
Disposition	Class B Common Stock	12,500	$0.00	--
Sale	Class A Common Stock	5,000	$11.9403	$60K

Holdings After Transaction: Class A Common Stock — 0 shares (Indirect, By Capital V LLC); Class B Units — 9,144,775 shares (Indirect, By Capital V LLC); Class B Common Stock — 9,144,775 shares (Indirect, By Capital V LLC)

Footnotes (1)

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. 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. 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 the Reporting Person of an equal number of Class B Units for Class A common stock. Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 15,000 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.615 to $12.37. 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. The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,778 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.95 to $12.55. 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. The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,778 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $12.575 to $13.195. 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.

Form 4 Insider Transactions: What Each Field Means →

01/22/2026 - 08:56 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^*

Vanderhook Christopher

(Last)

(First)

(Middle)

C/O VIANT TECHNOLOGY INC.

2722 MICHELSON DRIVE, SUITE 100

(Street)

IRVINE

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

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)
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	01/20/2026		M⁽¹⁾		12,500	A	$0⁽¹⁾	12,500	I	By Capital V LLC⁽²⁾
Class B Common Stock	01/20/2026		D⁽³⁾		12,500	D	$0⁽³⁾	9,144,775	I	By Capital V LLC⁽²⁾
Class A Common Stock	01/20/2026		S⁽⁴⁾		5,000	D	$11.9403⁽⁵⁾	7,500	I	By Capital V LLC⁽²⁾
Class A Common Stock	01/21/2026		S⁽⁴⁾		4,926	D	$12.2405⁽⁶⁾	2,574	I	By Capital V LLC⁽²⁾
Class A Common Stock	01/22/2026		S⁽⁴⁾		2,574	D	$12.8716⁽⁷⁾	0	I	By Capital V LLC⁽²⁾

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)
Class B Units	⁽¹⁾	01/20/2026		M			12,500	⁽¹⁾	⁽¹⁾	Class A Common Stock	12,500	⁽¹⁾	9,144,775	I	By Capital V LLC⁽²⁾

Explanation of Responses:

1. 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.

2. 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.

3. 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 the Reporting Person of an equal number of Class B Units for Class A common stock.

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

5. The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 15,000 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.615 to $12.37. 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.

6. The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,778 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.95 to $12.55. 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.

7. The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,778 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $12.575 to $13.195. 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.

Remarks:

	/s/ Larry Madden, Attorney-in-Fact for Christopher Vanderhook	01/22/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Viant Technology (DSP) report for January 2026?

The report shows Capital V LLC, an entity associated with Viant Technology’s COO and director Christopher Vanderhook, exchanged 12,500 Class B Units for 12,500 Class A common shares on January 20, 2026, and the corresponding 12,500 Class B common shares were cancelled for no consideration. Capital V LLC then sold Class A shares on January 20, 21, and 22, 2026, in multiple transactions.

How many Viant Technology (DSP) Class B Units were exchanged for Class A shares?

On January 20, 2026, Capital V LLC exchanged 12,500 Class B Units of Viant Technology LLC into 12,500 shares of Class A common stock. The filing explains that each Class B Unit is exchangeable on a one-for-one basis into a Class A share.

At what prices were Viant Technology (DSP) Class A shares sold in this filing?

The Form 4 reports weighted average sale prices for Class A common stock sold indirectly through Capital V LLC: $11.9403 for 5,000 shares on January 20, $12.2405 for 4,926 shares on January 21, and $12.8716 for 2,574 shares on January 22, 2026. Footnotes state these are weighted averages across multiple trades within specified price ranges.

Was the Viant Technology (DSP) insider selling under a 10b5-1 trading plan?

Yes. A footnote states that the shares were sold pursuant to a Rule 10b5-1 plan adopted by Capital V LLC on March 18, 2025 and amended on September 17, 2025. These plans allow pre-arranged trades to occur according to set instructions.

What happened to the Viant Technology (DSP) Class B common shares linked to the exchanged units?

The filing explains that when a Class B Unit is exchanged for a Class A share, the corresponding Class B common share is automatically cancelled. In this case, 12,500 Class B common shares were cancelled for no consideration in connection with the January 20, 2026 exchange.