Follow the people · Insider
Larry Madden
Larry Madden files insider transactions with the SEC as a chief financial officer of Viant Technology (DSP). We hold 18 disclosed purchases and sales filed since 11 February 2021, 6 of them in the last 90 days.
- Files forDSP
- Disclosed buys and sells18 in all, 6 in the last 90 days
- Last disclosure13 August 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 9 February 2021 — 11 August 2026Chief Financial Officer · Viant Technology (DSP)76 Form 4 lines · source: SEC Form 4
Everything they disclosed
76 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 26,020 shares of Viant TechnologySEC Form 413 August 2026Class A Common Stock · traded 11 August 2026 · filed 13 August 2026
- ▼ sold on the open market 1,431 shares of Viant TechnologySEC Form 413 August 2026Class A Common Stock · traded 11 August 2026 · filed 13 August 2026
- ▼ sold on the open market 2,814 shares of Viant TechnologySEC Form 427 July 2026Class A Common Stock · traded 23 July 2026 · filed 27 July 2026
- ▼ sold on the open market 10,097 shares of Viant TechnologySEC Form 48 July 2026Class A Common Stock · traded 6 July 2026 · filed 8 July 2026
- ▼ sold on the open market 9,149 shares of Viant TechnologySEC Form 48 July 2026Class A Common Stock · traded 7 July 2026 · filed 8 July 2026
- ▼ sold on the open market 11,273 shares of Viant TechnologySEC Form 48 July 2026Class A Common Stock · traded 8 July 2026 · filed 8 July 2026
- ▼ sold on the open market 25,376 shares of Viant TechnologySEC Form 415 June 2026Class A Common Stock · traded 15 June 2026 · filed 15 June 2026
- ▼ sold on the open market 18,663 shares of Viant TechnologySEC Form 48 June 2026Class A Common Stock · traded 5 June 2026 · filed 8 June 2026
- ▼ sold on the open market 14,670 shares of Viant TechnologySEC Form 48 June 2026Class A Common Stock · traded 8 June 2026 · filed 8 June 2026
- ▼ sold on the open market 18,538 shares of Viant TechnologySEC Form 412 May 2026Class A Common Stock · traded 8 May 2026 · filed 12 May 2026
- ▼ sold on the open market 13,826 shares of Viant TechnologySEC Form 412 May 2026Class A Common Stock · traded 11 May 2026 · filed 12 May 2026
- ▼ sold on the open market 3,471 shares of Viant TechnologySEC Form 412 May 2026Class A Common Stock · traded 11 May 2026 · filed 12 May 2026
- ▼ sold on the open market 13,283 shares of Viant TechnologySEC Form 423 April 2026Class A Common Stock · traded 21 April 2026 · filed 23 April 2026
- ▼ sold on the open market 13,263 shares of Viant TechnologySEC Form 423 April 2026Class A Common Stock · traded 22 April 2026 · filed 23 April 2026
- ▼ sold on the open market 12,782 shares of Viant TechnologySEC Form 423 April 2026Class A Common Stock · traded 23 April 2026 · filed 23 April 2026
- ▼ sold on the open market 7,297 shares of Viant TechnologySEC Form 47 April 2026Class A Common Stock · traded 6 April 2026 · filed 7 April 2026
- ▼ sold on the open market 7,410 shares of Viant TechnologySEC Form 43 April 2026Class A Common Stock · traded 1 April 2026 · filed 3 April 2026
- ▼ sold on the open market 10,131 shares of Viant TechnologySEC Form 43 April 2026Class A Common Stock · traded 2 April 2026 · filed 3 April 2026
- ▼ sold on the open market 1,658 shares of Viant TechnologySEC Form 417 March 2026Class A Common Stock · traded 13 March 2026 · filed 17 March 2026
- was granted 249,258 shares of Viant TechnologySEC Form 417 March 2026Class A Common Stock · traded 15 March 2026 · filed 17 March 2026
- ▼ sold on the open market 1,658 shares of Viant TechnologySEC Form 417 March 2026Class A Common Stock · traded 13 March 2026 · filed 17 March 2026
- was granted 249,258 shares of Viant TechnologySEC Form 417 March 2026Class A Common Stock · traded 15 March 2026 · filed 17 March 2026
- had shares withheld for tax on 35,289 shares of Viant TechnologySEC Form 412 March 2026Class A Common Stock · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 35,289 shares of Viant TechnologySEC Form 412 March 2026Class A Common Stock · traded 10 March 2026 · filed 12 March 2026
- ▼ sold on the open market 4,224 shares of Viant TechnologySEC Form 426 January 2026Class A Common Stock · traded 22 January 2026 · filed 26 January 2026
- ▼ sold on the open market 4,224 shares of Viant TechnologySEC Form 426 January 2026Class A Common Stock · traded 22 January 2026 · filed 26 January 2026
- ▼ sold on the open market 13,477 shares of Viant TechnologySEC Form 418 December 2025Class A Common Stock · traded 17 December 2025 · filed 18 December 2025
- ▼ sold on the open market 13,006 shares of Viant TechnologySEC Form 417 September 2025Class A Common Stock · traded 15 September 2025 · filed 17 September 2025
- ▼ sold on the open market 13,265 shares of Viant TechnologySEC Form 413 June 2025Class A Common Stock · traded 13 June 2025 · filed 13 June 2025
- was granted 112,423 shares of Viant TechnologySEC Form 418 March 2025Class A Common Stock · traded 15 March 2025 · filed 18 March 2025
- was granted 50,975 shares of Viant TechnologySEC Form 418 March 2025Class A Common Stock · traded 18 March 2025 · filed 18 March 2025
- had shares withheld for tax on 58,212 shares of Viant TechnologySEC Form 411 March 2025Class A Common Stock · traded 10 March 2025 · filed 11 March 2025
- ▼ sold on the open market 14,284 shares of Viant TechnologySEC Form 47 February 2025Class A Common Stock · traded 5 February 2025 · filed 7 February 2025
- ▼ sold on the open market 14,284 shares of Viant TechnologySEC Form 43 January 2025Class A Common Stock · traded 2 January 2025 · filed 3 January 2025
- had shares withheld for tax on 5,442 shares of Viant TechnologySEC Form 412 December 2024Class A Common Stock · traded 10 December 2024 · filed 12 December 2024
- ▼ sold on the open market 14,284 shares of Viant TechnologySEC Form 45 December 2024Class A Common Stock · traded 4 December 2024 · filed 5 December 2024
- ▼ sold on the open market 14,962 shares of Viant TechnologySEC Form 418 November 2024Class A Common Stock · traded 14 November 2024 · filed 18 November 2024
- ▼ sold on the open market 48,019 shares of Viant TechnologySEC Form 418 November 2024Class A Common Stock · traded 14 November 2024 · filed 18 November 2024
- ▼ sold on the open market 4,262 shares of Viant TechnologySEC Form 418 November 2024Class A Common Stock · traded 14 November 2024 · filed 18 November 2024
- ▼ sold on the open market 45,969 shares of Viant TechnologySEC Form 418 November 2024Class A Common Stock · traded 15 November 2024 · filed 18 November 2024
- ▼ sold on the open market 18,587 shares of Viant TechnologySEC Form 418 November 2024Class A Common Stock · traded 18 November 2024 · filed 18 November 2024
- ▼ sold on the open market 3,917 shares of Viant TechnologySEC Form 418 November 2024Class A Common Stock · traded 18 November 2024 · filed 18 November 2024
- ▼ sold on the open market 1,498 shares of Viant TechnologySEC Form 430 October 2024Class A Common Stock · traded 28 October 2024 · filed 30 October 2024
- ▼ sold on the open market 1,953 shares of Viant TechnologySEC Form 411 October 2024Class A Common Stock · traded 9 October 2024 · filed 11 October 2024
- ▼ sold on the open market 1,089 shares of Viant TechnologySEC Form 411 October 2024Class A Common Stock · traded 10 October 2024 · filed 11 October 2024
- ▼ sold on the open market 2,768 shares of Viant TechnologySEC Form 411 October 2024Class A Common Stock · traded 11 October 2024 · filed 11 October 2024
- ▼ sold on the open market 1,116 shares of Viant TechnologySEC Form 424 September 2024Class A Common Stock · traded 20 September 2024 · filed 24 September 2024
- ▼ sold on the open market 3,084 shares of Viant TechnologySEC Form 424 September 2024Class A Common Stock · traded 23 September 2024 · filed 24 September 2024
- ▼ sold on the open market 2,776 shares of Viant TechnologySEC Form 424 September 2024Class A Common Stock · traded 24 September 2024 · filed 24 September 2024
- had shares withheld for tax on 14,005 shares of Viant TechnologySEC Form 412 September 2024Class A Common Stock · traded 10 September 2024 · filed 12 September 2024
- ▼ sold on the open market 3,885 shares of Viant TechnologySEC Form 427 August 2024Class A Common Stock · traded 23 August 2024 · filed 27 August 2024
- ▼ sold on the open market 3,263 shares of Viant TechnologySEC Form 427 August 2024Class A Common Stock · traded 26 August 2024 · filed 27 August 2024
- had shares withheld for tax on 14,009 shares of Viant TechnologySEC Form 412 June 2024Class A Common Stock · traded 10 June 2024 · filed 12 June 2024
- was granted 60,227 shares of Viant Technology (a derivative holding)SEC Form 419 March 2024Non-qualified Stock Option (Right to Buy) · traded 15 March 2024 · filed 19 March 2024
- was granted 121,490 shares of Viant TechnologySEC Form 419 March 2024Class A Common Stock · traded 15 March 2024 · filed 19 March 2024
- had shares withheld for tax on 61,229 shares of Viant TechnologySEC Form 412 March 2024Class A Common Stock · traded 10 March 2024 · filed 12 March 2024
- had shares withheld for tax on 16,781 shares of Viant TechnologySEC Form 412 December 2023Class A Common Stock · traded 10 December 2023 · filed 12 December 2023
- had shares withheld for tax on 16,784 shares of Viant TechnologySEC Form 411 September 2023Class A Common Stock · traded 10 September 2023 · filed 11 September 2023
- had shares withheld for tax on 16,784 shares of Viant TechnologySEC Form 412 June 2023Class A Common Stock · traded 10 June 2023 · filed 12 June 2023
- was granted 156,406 shares of Viant Technology (a derivative holding)SEC Form 414 March 2023Non-qualified Stock Option (Right to Buy) · traded 7 March 2023 · filed 14 March 2023
- was granted 112,613 shares of Viant TechnologySEC Form 414 March 2023Class A Common Stock · traded 7 March 2023 · filed 14 March 2023
- had shares withheld for tax on 38,707 shares of Viant TechnologySEC Form 414 March 2023Class A Common Stock · traded 10 March 2023 · filed 14 March 2023
- had shares withheld for tax on 16,784 shares of Viant TechnologySEC Form 412 December 2022Class A Common Stock · traded 10 December 2022 · filed 12 December 2022
- had shares withheld for tax on 16,784 shares of Viant TechnologySEC Form 413 September 2022Class A Common Stock · traded 10 September 2022 · filed 13 September 2022
- had shares withheld for tax on 16,784 shares of Viant TechnologySEC Form 414 June 2022Class A Common Stock · traded 10 June 2022 · filed 14 June 2022
- was granted 295,508 shares of Viant Technology (a derivative holding)SEC Form 417 March 2022Non-qualified Stock Option (Right to Buy) · traded 15 March 2022 · filed 17 March 2022
- ▼ sold on the open market 21,628 shares of Viant TechnologySEC Form 417 March 2022Class A Common Stock · traded 14 March 2022 · filed 17 March 2022
- was granted 166,667 shares of Viant TechnologySEC Form 417 March 2022Class A Common Stock · traded 15 March 2022 · filed 17 March 2022
- had shares withheld for tax on 16,784 shares of Viant TechnologySEC Form 414 January 2022Class A Common Stock · traded 10 December 2021 · filed 14 January 2022
- ▼ sold on the open market 18,404 shares of Viant TechnologySEC Form 415 September 2021Class A Common Stock · traded 13 September 2021 · filed 15 September 2021
- had shares withheld for tax on 75,521 shares of Viant TechnologySEC Form 411 August 2021Class A Common Stock · traded 9 August 2021 · filed 11 August 2021
- was granted 255,000 shares of Viant TechnologySEC Form 411 February 2021Class A Common Stock · traded 9 February 2021 · filed 11 February 2021
- was granted 255,000 shares of Viant TechnologySEC Form 411 February 2021Class A Common Stock · traded 9 February 2021 · filed 11 February 2021
- exercised options over 15,000 shares of Viant TechnologySEC Form 411 February 2021Class A Common Stock · traded 10 February 2021 · filed 11 February 2021
- ▼ sold on the open market 15,000 shares of Viant TechnologySEC Form 411 February 2021Class A Common Stock · traded 10 February 2021 · filed 11 February 2021
- exercised options over 15,000 shares of Viant Technology (a derivative holding)SEC Form 411 February 2021Class B Units · traded 10 February 2021 · filed 11 February 2021
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.