Last 12 months
Inside the activity.
0 purchase rows · 100 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 12 |
| Jan 2026 | 0 | 10 |
| Feb 2026 | 0 | 9 |
| Mar 2026 | 0 | 10 |
| Apr 2026 | 0 | 15 |
| May 2026 | 0 | 12 |
| Jun 2026 | 0 | 16 |
| Jul 2026 | 0 | 13 |
| Aug 2026 | 0 | 2 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 1 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| May 19, 2026 Filed May 22, 2026 01:35 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Disposition to issuerClass B Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843104-26-000010 · wk-form4_1779413712.xml · nonDerivative · entry 2 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,094,775 F3 · kind: 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. F3 · price: 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. F2 · ownership.nature: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:35 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Exercise / conversionClass A Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843104-26-000010 · wk-form4_1779413712.xml · nonDerivative · entry 1 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 12,500 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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 · ownership.nature: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
Exercise / conversionClass B Units · Derivative | 12,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001843103-26-000010 · wk-form4_1779413677.xml · derivative · entry 6 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,094,775 Underlying: Class A Common Stock · 12,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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 · ownership.nature: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
SaleClass A Common Stock | 5,000 | $10.89 | $54,436.00 |
DisclosureSEC source: 0001843103-26-000010 · wk-form4_1779413677.xml · nonDerivative · entry 3 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 7,500 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F5 · price: 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 $10.565 to $11.20. 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. F2 · ownership.nature: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
Disposition to issuerClass B Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843103-26-000010 · wk-form4_1779413677.xml · nonDerivative · entry 2 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,094,775 F3 · kind: 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. F3 · price: 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. F2 · ownership.nature: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
Exercise / conversionClass A Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843103-26-000010 · wk-form4_1779413677.xml · nonDerivative · entry 1 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 12,500 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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 · ownership.nature: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Capital V LLC10% owner
|
Exercise / conversionClass B Units · Derivative | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001828791-26-000042 · wk-form4_1779413646.xml · derivative · entry 6 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,284,326 Underlying: Class A Common Stock · 37,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Capital V LLC10% owner
|
SaleClass A Common Stock | 15,000 | $10.89 | $163,308.00 |
DisclosureSEC source: 0001828791-26-000042 · wk-form4_1779413646.xml · nonDerivative · entry 3 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 22,500 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.565 to $11.20. 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Capital V LLC10% owner
|
Disposition to issuerClass B Common Stock | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001828791-26-000042 · wk-form4_1779413646.xml · nonDerivative · entry 2 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,284,326 F2 · kind: 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. F2 · price: 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. Read SEC document |
| May 19, 2026 Filed May 22, 2026 01:34 UTC |
Capital V LLC10% owner
|
Exercise / conversionClass A Common Stock | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001828791-26-000042 · wk-form4_1779413646.xml · nonDerivative · entry 1 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 37,500 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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. Read SEC document |
| May 11, 2026 Filed May 12, 2026 21:28 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 3,471 | $11.95 | $41,463.18 |
DisclosureSEC source: 0001284309-26-000014 · wk-form4_1778621279.xml · nonDerivative · entry 3 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 517,864 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.86 to $12.015. 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. Read SEC document |
| May 11, 2026 Filed May 12, 2026 21:28 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 13,826 | $11.29 | $156,105.22 |
DisclosureSEC source: 0001284309-26-000014 · wk-form4_1778621279.xml · nonDerivative · entry 2 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 521,335 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.86 to $11.82. 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. Read SEC document |
| May 08, 2026 Filed May 12, 2026 21:28 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 18,538 | $11.85 | $219,671.59 |
DisclosureSEC source: 0001284309-26-000014 · wk-form4_1778621279.xml · nonDerivative · entry 1 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 535,161 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.31 to $12.09. 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. Read SEC document |
| April 23, 2026 Filed Apr 24, 2026 01:03 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 12,782 | $10.16 | $129,881.74 |
DisclosureSEC source: 0001284309-26-000012 · wk-form4_1776992601.xml · nonDerivative · entry 3 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 553,699 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.05 to $10.315. 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. Read SEC document |
| April 22, 2026 Filed Apr 22, 2026 23:57 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
SaleClass A Common Stock | 2,796 | $10.74 | $30,039.11 |
DisclosureSEC source: 0001843104-26-000009 · wk-form4_1776902277.xml · nonDerivative · entry 5 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 0 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F7 · price: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 8,389 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $10.395 to $10.94. 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. F2 · ownership.nature: 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. Read SEC document |
| April 22, 2026 Filed Apr 22, 2026 23:58 UTC |
Capital V LLC10% owner
|
SaleClass A Common Stock | 8,389 | $10.74 | $90,128.06 |
DisclosureSEC source: 0001844767-26-000009 · wk-form4_1776902298.xml · nonDerivative · entry 5 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 0 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.395 to $10.94. 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. Read SEC document |
| April 22, 2026 Filed Apr 22, 2026 23:58 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
SaleClass A Common Stock | 2,796 | $10.74 | $30,039.11 |
DisclosureSEC source: 0001843103-26-000009 · wk-form4_1776902287.xml · nonDerivative · entry 5 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 0 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F7 · price: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 8,389 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $10.395 to $10.94. 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. F2 · ownership.nature: 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. Read SEC document |
| April 22, 2026 Filed Apr 24, 2026 01:03 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 13,263 | $10.74 | $142,427.38 |
DisclosureSEC source: 0001284309-26-000012 · wk-form4_1776992601.xml · nonDerivative · entry 2 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 566,481 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.39 to $10.955. 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. Read SEC document |
| April 21, 2026 Filed Apr 22, 2026 23:57 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
SaleClass A Common Stock | 4,704 | $10.91 | $51,342.75 |
DisclosureSEC source: 0001843104-26-000009 · wk-form4_1776902277.xml · nonDerivative · entry 4 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 2,796 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F6 · price: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,111 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $10.64 to $11.46. 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. F2 · ownership.nature: 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. Read SEC document |
| April 21, 2026 Filed Apr 22, 2026 23:58 UTC |
Capital V LLC10% owner
|
SaleClass A Common Stock | 14,111 | $10.91 | $154,017.33 |
DisclosureSEC source: 0001844767-26-000009 · wk-form4_1776902298.xml · nonDerivative · entry 4 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 8,389 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.64 to $11.46. 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. Read SEC document |
| April 21, 2026 Filed Apr 22, 2026 23:58 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
SaleClass A Common Stock | 4,704 | $10.91 | $51,342.75 |
DisclosureSEC source: 0001843103-26-000009 · wk-form4_1776902287.xml · nonDerivative · entry 4 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 2,796 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F6 · price: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 14,111 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $10.64 to $11.46. 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. F2 · ownership.nature: 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. Read SEC document |
| April 21, 2026 Filed Apr 24, 2026 01:03 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 13,283 | $10.91 | $144,929.48 |
DisclosureSEC source: 0001284309-26-000012 · wk-form4_1776992601.xml · nonDerivative · entry 1 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 579,744 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.64 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:57 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Exercise / conversionClass B Units · Derivative | 12,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001843104-26-000009 · wk-form4_1776902277.xml · derivative · entry 6 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,107,275 Underlying: Class A Common Stock · 12,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:57 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
SaleClass A Common Stock | 5,000 | $11.12 | $55,599.00 |
DisclosureSEC source: 0001843104-26-000009 · wk-form4_1776902277.xml · nonDerivative · entry 3 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 7,500 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F5 · price: 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 $11.00 to $11.40. 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. F2 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:57 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Disposition to issuerClass B Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843104-26-000009 · wk-form4_1776902277.xml · nonDerivative · entry 2 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,107,275 F3 · kind: 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. F3 · price: 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. F2 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:57 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Exercise / conversionClass A Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843104-26-000009 · wk-form4_1776902277.xml · nonDerivative · entry 1 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 12,500 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Capital V LLC10% owner
|
Exercise / conversionClass B Units · Derivative | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001844767-26-000009 · wk-form4_1776902298.xml · derivative · entry 6 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,321,826 Underlying: Class A Common Stock · 37,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Capital V LLC10% owner
|
SaleClass A Common Stock | 15,000 | $11.12 | $166,797.00 |
DisclosureSEC source: 0001844767-26-000009 · wk-form4_1776902298.xml · nonDerivative · entry 3 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 22,500 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.40. 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Capital V LLC10% owner
|
Disposition to issuerClass B Common Stock | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001844767-26-000009 · wk-form4_1776902298.xml · nonDerivative · entry 2 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,321,826 F2 · kind: 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. F2 · price: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Capital V LLC10% owner
|
Exercise / conversionClass A Common Stock | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001844767-26-000009 · wk-form4_1776902298.xml · nonDerivative · entry 1 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 37,500 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
Exercise / conversionClass B Units · Derivative | 12,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001843103-26-000009 · wk-form4_1776902287.xml · derivative · entry 6 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,107,275 Underlying: Class A Common Stock · 12,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
SaleClass A Common Stock | 5,000 | $11.12 | $55,599.00 |
DisclosureSEC source: 0001843103-26-000009 · wk-form4_1776902287.xml · nonDerivative · entry 3 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 7,500 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F5 · price: 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 $11.00 to $11.40. 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. F2 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
Disposition to issuerClass B Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843103-26-000009 · wk-form4_1776902287.xml · nonDerivative · entry 2 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,107,275 F3 · kind: 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. F3 · price: 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. F2 · ownership.nature: 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. Read SEC document |
| April 20, 2026 Filed Apr 22, 2026 23:58 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
Exercise / conversionClass A Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001843103-26-000009 · wk-form4_1776902287.xml · nonDerivative · entry 1 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 12,500 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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 · ownership.nature: 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. Read SEC document |
| April 06, 2026 Filed Apr 7, 2026 21:14 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 7,297 | $11.31 | $82,517.39 |
DisclosureSEC source: 0001284309-26-000010 · wk-form4_1775596442.xml · nonDerivative · entry 1 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 593,027 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.165 to $11.505. 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. Read SEC document |
| April 02, 2026 Filed Apr 3, 2026 20:03 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 10,131 | $10.94 | $110,880.76 |
DisclosureSEC source: 0001284309-26-000008 · wk-form4_1775246594.xml · nonDerivative · entry 2 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 600,324 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.63 to $11.12. 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. Read SEC document |
| April 01, 2026 Filed Apr 3, 2026 20:03 UTC |
MADDEN LARRYChief Financial Officer
|
SaleClass A Common Stock | 7,410 | $11.27 | $83,536.64 |
DisclosureSEC source: 0001284309-26-000008 · wk-form4_1775246594.xml · nonDerivative · entry 1 MADDEN LARRY · CIK 0001284309 · Chief Financial Officer 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 610,455 F1 · kind: Shares sold pursuant to a 10b5-1 plan adopted by the Reporting Person on December 15, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.165 to $11.44. 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. Read SEC document |
| March 19, 2026 Filed Mar 20, 2026 00:18 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
SaleClass A Common Stock | 2,920 | $11.42 | $33,354.87 |
DisclosureSEC source: 0001828791-26-000023 · wk-form4_1773965901.xml · nonDerivative · entry 5 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 0 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F7 · price: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 8,760 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.10 to $11.855. 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. F2 · ownership.nature: 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. Read SEC document |
| March 19, 2026 Filed Mar 20, 2026 00:18 UTC |
Capital V LLC10% owner
|
SaleClass A Common Stock | 8,760 | $11.42 | $100,064.60 |
DisclosureSEC source: 0001844767-26-000006 · wk-form4_1773965880.xml · nonDerivative · entry 5 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 0 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.10 to $11.855. 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. Read SEC document |
| March 19, 2026 Filed Mar 20, 2026 00:17 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
SaleClass A Common Stock | 2,920 | $11.42 | $33,354.87 |
DisclosureSEC source: 0001828791-26-000022 · wk-form4_1773965872.xml · nonDerivative · entry 5 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 0 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F7 · price: The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 8,760 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.10 to $11.855. 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. F2 · ownership.nature: 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. Read SEC document |
| March 18, 2026 Filed Mar 20, 2026 00:18 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
SaleClass A Common Stock | 5,000 | $12.00 | $59,993.00 |
DisclosureSEC source: 0001828791-26-000023 · wk-form4_1773965901.xml · nonDerivative · entry 4 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 2,920 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F6 · price: 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 $11.675 to $12.46. 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. F2 · ownership.nature: 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. Read SEC document |
| March 18, 2026 Filed Mar 20, 2026 00:18 UTC |
Capital V LLC10% owner
|
SaleClass A Common Stock | 15,000 | $12.00 | $179,979.00 |
DisclosureSEC source: 0001844767-26-000006 · wk-form4_1773965880.xml · nonDerivative · entry 4 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 8,760 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.675 to $12.46. 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. Read SEC document |
| March 18, 2026 Filed Mar 20, 2026 00:17 UTC |
Vanderhook TimothyDirector · CEO and Chairman · 10% owner
|
SaleClass A Common Stock | 5,000 | $12.00 | $59,993.00 |
DisclosureSEC source: 0001828791-26-000022 · wk-form4_1773965872.xml · nonDerivative · entry 4 Vanderhook Timothy · CIK 0001843103 · Director · CEO and Chairman · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 2,920 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F6 · price: 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 $11.675 to $12.46. 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. F2 · ownership.nature: 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Exercise / conversionClass B Units · Derivative | 12,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001828791-26-000023 · wk-form4_1773965901.xml · derivative · entry 6 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,119,775 Underlying: Class A Common Stock · 12,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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 · ownership.nature: 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
SaleClass A Common Stock | 5,000 | $11.80 | $58,979.50 |
DisclosureSEC source: 0001828791-26-000023 · wk-form4_1773965901.xml · nonDerivative · entry 3 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 7,920 F4 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F5 · price: 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 $11.59 to $12.23. 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. F2 · ownership.nature: 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Disposition to issuerClass B Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001828791-26-000023 · wk-form4_1773965901.xml · nonDerivative · entry 2 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 9,119,775 F3 · kind: 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. F3 · price: 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. F2 · ownership.nature: 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Vanderhook ChristopherDirector · Chief Operating Officer · 10% owner
|
Exercise / conversionClass A Common Stock | 12,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001828791-26-000023 · wk-form4_1773965901.xml · nonDerivative · entry 1 Vanderhook Christopher · CIK 0001843104 · Director · Chief Operating Officer · 10% owner 10b5-1 filing: Plan reported Ownership: Indirect · By Capital V LLC Disclosed balance after: 12,920 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: 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. F1 · price: 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 · ownership.nature: 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Capital V LLC10% owner
|
Exercise / conversionClass B Units · Derivative | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001844767-26-000006 · wk-form4_1773965880.xml · derivative · entry 6 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,359,326 Underlying: Class A Common Stock · 37,500 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: 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. F1 · derivative.exercise_date: 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. F1 · derivative.expiration_date: 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Capital V LLC10% owner
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SaleClass A Common Stock | 15,000 | $11.80 | $176,938.50 |
DisclosureSEC source: 0001844767-26-000006 · wk-form4_1773965880.xml · nonDerivative · entry 3 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 23,760 F3 · kind: Shares sold pursuant to a 10b5-1 plan adopted by Capital V LLC on March 18, 2025, as amended on September 17, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.59 to $12.23. 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. Read SEC document |
| March 17, 2026 Filed Mar 20, 2026 00:18 UTC |
Capital V LLC10% owner
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Disposition to issuerClass B Common Stock | 37,500 | $0.00 | $0.00 |
DisclosureSEC source: 0001844767-26-000006 · wk-form4_1773965880.xml · nonDerivative · entry 2 Capital V LLC · CIK 0001844767 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,359,326 F2 · kind: 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. F2 · price: 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. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.