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[Form 4] Viant Technology Inc. Insider Trading Activity

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Viant Technology Inc. director and Chief Operating Officer Christopher Vanderhook reported indirect transactions through Capital V LLC. Capital V LLC exchanged 12,500 Class B Units for 12,500 shares of Class A common stock, with the corresponding Class B common shares cancelled for no consideration.

Capital V LLC then sold 12,500 Class A shares in open-market transactions between June 16 and June 18, 2026 at weighted average prices of $11.1714, $11.0884, and $10.9646 per share, executed under a Rule 10b5-1 trading plan adopted on March 18, 2025 and amended on September 17, 2025. Following these trades, Capital V LLC continues to hold 9,082,275 Class B Units of Viant Technology LLC, which are exchangeable on a one-for-one basis into Class A common stock.

Positive

  • None.

Negative

  • None.
Insider Vanderhook Christopher
Role Chief Operating Officer
Sold 12,500 shs ($139K)
Type Security Shares Price Value
Sale Class A Common Stock 2,500 $10.9646 $27K
Sale Class A Common Stock 5,000 $11.0884 $55K
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 $11.1714 $56K
Holdings After Transaction: Class A Common Stock — 0 shares (Indirect, By Capital V LLC); Class B Units — 9,082,275 shares (Indirect, By Capital V LLC); Class B Common Stock — 9,082,275 shares (Indirect, By Capital V LLC)
Footnotes (1)
  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 Capital V LLC 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 $10.77 to $11.43. 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 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 $10.91 to $11.50. 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 7,500 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $10.665 to $11.23. 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.
Class A shares sold 12,500 shares Open-market sales June 16–18, 2026
Sale price June 16, 2026 $11.1714 per share Weighted average for 5,000 Class A shares sold
Sale price June 17, 2026 $11.0884 per share Weighted average for 5,000 Class A shares sold
Sale price June 18, 2026 $10.9646 per share Weighted average for 2,500 Class A shares sold
Class B Units remaining 9,082,275 units Class B Units of Viant Technology LLC held by Capital V LLC after transactions
Units exchanged 12,500 Class B Units Exchanged into 12,500 Class A shares on June 16, 2026
Class B Units financial
"The Class B Units of Viant Technology LLC are exchangeable on a one-for-one basis into shares of Class A common stock."
Rule 10b5-1 plan regulatory
"Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025."
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
weighted average price financial
"The price reported in Column 4 is a weighted average price based on the Reporting Person's pro rata portion of shares sold on behalf of Capital V LLC."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
disposition to issuer financial
"The transaction code "D" is described as a disposition to issuer of Class B common stock for no consideration."
derivative security financial
"Certain entries reflect the exercise or conversion of a derivative security, specifically Class B Units into Class A common stock."
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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).
X
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 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)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Chief Operating Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/16/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock06/16/2026M(1)12,500A$0(1)12,500IBy Capital V LLC(2)
Class B Common Stock06/16/2026D(3)12,500D$0(3)9,082,275IBy Capital V LLC(2)
Class A Common Stock06/16/2026S(4)5,000D$11.1714(5)7,500IBy Capital V LLC(2)
Class A Common Stock06/17/2026S(4)5,000D$11.0884(6)2,500IBy Capital V LLC(2)
Class A Common Stock06/18/2026S(4)2,500D$10.9646(7)0IBy 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Units(1)06/16/2026M12,500 (1) (1)Class A Common Stock12,500(1)9,082,275IBy 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 Capital V LLC 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 $10.77 to $11.43. 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 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 $10.91 to $11.50. 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 7,500 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $10.665 to $11.23. 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 Vanderhook06/18/2026
** Signature of Reporting PersonDate
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 insider transactions did Viant Technology (DSP) report for Christopher Vanderhook?

Viant reported that an entity associated with Christopher Vanderhook, Capital V LLC, converted 12,500 Class B Units into 12,500 Class A shares, then sold all 12,500 Class A shares in open-market transactions over three days in June 2026 at weighted average prices around $11.

Who actually sold Viant Technology (DSP) shares in this Form 4 filing?

The sales were made by Capital V LLC, an entity in which Christopher Vanderhook holds a one-third interest. The transactions are reported as indirect holdings, meaning the shares are held by Capital V LLC rather than directly by Vanderhook personally, reflecting his proportional economic interest.

How many Viant Technology Class A shares were sold and at what prices?

Capital V LLC sold a total of 12,500 Viant Technology Class A shares. The sales occurred in tranches of 5,000, 5,000, and 2,500 shares at weighted average prices of $11.1714, $11.0884, and $10.9646 per share, respectively, across June 16–18, 2026.

What happens to Viant Technology Class B Units and Class B common stock in this transaction?

Each Viant Class B Unit is exchangeable one-for-one into a Class A share. In this filing, 12,500 Class B Units were redeemed for 12,500 Class A shares, and an equal number of Class B common shares were cancelled for no consideration, reflecting the paired-unit capital structure.

Was the Viant Technology (DSP) insider sale made under a Rule 10b5-1 plan?

Yes. The Form 4 states that the shares were sold pursuant to a Rule 10b5-1 trading plan adopted by Capital V LLC on March 18, 2025 and amended on September 17, 2025. Such plans pre-schedule trades, making the timing more routine than discretionary.

How many Viant Technology Class B Units does Capital V LLC hold after these transactions?

After the reported transactions, Capital V LLC holds 9,082,275 Class B Units of Viant Technology LLC. These units are exchangeable on a one-for-one basis into Viant’s Class A common stock, maintaining a substantial indirect equity position tied to the company’s performance.