Form 4 for DSP Viant Technology Inc.
Accepted 2026-06-10 19:59:17 ET · period of report 2026-06-09 · accession 0001843104-26-000012 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-06-10 19:59 | 2026-06-09 | DSP | Vanderhook Christopher | COO, Dir, 10% | G - Gift | $0.00 | -208.4K | 0 | -100% | $0 |
| DMI | 2026-06-10 19:59 | 2026-06-09 | DSP | Vanderhook Christopher | COO, Dir, 10% | A - Grant | $0.00 | +208.4K | 52.1K | New | $0 |
| DMI | 2026-06-10 19:59 | 2026-06-09 | DSP | Vanderhook Christopher | COO, Dir, 10% | G - Gift | $0.00 | -208.4K | 0 | -100% | $0 |
| DMI | 2026-06-10 19:59 | 2026-06-09 | DSP | Vanderhook Christopher | COO, Dir, 10% | A - Grant | $0.00 | +208.4K | 52.1K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class B Common Stock | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — | — | (F1) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F2) Securities held by the Hayden Vanderhook 2024 grantor retained annuity trust. |
| 2 | Common | Class B Common Stock | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — | — | (F1) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F3) Securities held by the Carter Vanderhook 2024 grantor retained annuity trust. |
| 3 | Common | Class B Common Stock | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — | — | (F1) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F4) Securities held by the Clay Vanderhook 2024 grantor retained annuity trust. |
| 4 | Common | Class B Common Stock | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — | — | (F1) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F5) Securities held by the Colbie Vanderhook 2024 grantor retained annuity trust. |
| 5 | Common | Class B Common Stock | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Hayden Vanderhook Gift Trust | — | — | |
| 6 | Common | Class B Common Stock | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Carter Vanderhook Gift Trust | — | — | |
| 7 | Common | Class B Common Stock | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Clay Vanderhook Gift Trust | — | — | |
| 8 | Common | Class B Common Stock | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Colbie Vanderhook Gift Trust | — | — | |
| 9 | Derivative | Class B Units | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F2) Securities held by the Hayden Vanderhook 2024 grantor retained annuity trust. |
| 10 | Derivative | Class B Units | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F3) Securities held by the Carter Vanderhook 2024 grantor retained annuity trust. |
| 11 | Derivative | Class B Units | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F4) Securities held by the Clay Vanderhook 2024 grantor retained annuity trust. |
| 12 | Derivative | Class B Units | 2026-06-09 | G | D | 52,096 | $0.00 | 0 | I By GRAT | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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) In addition to the gift transactions reported herein, reflects annuity payments by the GRATs to the Reporting Person pursuant to the terms of the GRAT, which annuity payments were exempt from reporting pursuant to Rule 16a-13. (F5) Securities held by the Colbie Vanderhook 2024 grantor retained annuity trust. |
| 13 | Derivative | Class B Units | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Hayden Vanderhook Gift Trust | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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. |
| 14 | Derivative | Class B Units | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Carter Vanderhook Gift Trust | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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. |
| 15 | Derivative | Class B Units | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Clay Vanderhook Gift Trust | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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. |
| 16 | Derivative | Class B Units | 2026-06-09 | A | A | 52,096 | $0.00 | 52,096 | I Colbie Vanderhook Gift Trust | — · — to — | 52,096 Class A Common Stock | (F7) 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. (F7) 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. (F7) 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. |