Quick Takeaways
- Larry Madden filed SCHEDULE 13D/A for Viant Technology Inc. Class A common stock, par value $0.001 per share (DSP).
- Disclosed ownership: 6.3%.
- Date of event: 15 Dec 2025.
Larry Madden - 15 Dec 2025 SCHEDULE 13D/A Report for Viant Technology Inc. Class A common stock, par value $0.001 per share (DSP)
- Filing Manager
- Larry Madden
- Reporting Manager
- Larry Madden
- Symbol
- DSP
- Shares outstanding
- 17,688,635 shares
- Disclosed Ownership
- 1,114,384 shares
- Ownership
- 6.3%
- Form type
- SCHEDULE 13D/A
- Filing time
- 22 Dec 2025, 19:41:47 UTC
- Date of event
- 15 Dec 2025
- Previous filing
- 04 Jun 2025
- Next filing
- 13 Jan 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Larry Madden disclosed 6.3% ownership in Viant Technology Inc. Class A common stock, par value $0.001 per share (DSP) on 15 Dec 2025."
What Changed
- Previous schedule filing date: 04 Jun 2025.
- Current filing was accepted on 22 Dec 2025, 19:41.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Larry Madden | 6.3% | 1,114,384 | 1,114,384 | 0 | Larry Madden | Chief Financial Officer | 0001284309 |