Larry Madden - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Larry Madden has filed 5 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $5.09M.
Profile
Larry Madden is the Chief Financial Officer at Viant Technology Inc. (DSP). Madden has reported 17 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | Chief Financial Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- Viant Technology Inc.
Reported roles
- Chief Financial Officer
Awards & honors
- Chief Financial Officer at Viant Technology Inc.
- Involved in multiple SEC filings
Trading Pattern
InsiderAlpha's records for Larry Madden go back to 2024: 18 primary Form 4 filings, an average of 6.0 per year. 26 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Larry Madden has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Financial Officer at Viant Technology Inc. (DSP) - 18 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-27 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 2.8K | $10.69 | $30K |
| 2026-07-09 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 11.3K | $12.69 | $143K |
| 2026-07-09 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 9.1K | $12.86 | $118K |
| 2026-07-09 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 10.1K | $12.78 | $129K |
| 2026-06-16 | DSP | Viant Technology Inc. | S - Open-market sale | 25.4K | $11.10 | $282K |
| 2026-06-09 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 14.7K | $12.10 | $177K |
| 2026-06-09 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 18.7K | $12.24 | $228K |
| 2026-05-12 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 3.5K | $11.95 | $41K |
| 2026-05-12 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 13.8K | $11.29 | $156K |
| 2026-05-12 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 18.5K | $11.85 | $220K |
| 2026-04-24 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 12.8K | $10.16 | $130K |
| 2026-04-24 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 13.3K | $10.74 | $142K |
| 2026-04-24 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 13.3K | $10.91 | $145K |
| 2026-04-07 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 7.3K | $11.31 | $83K |
| 2026-04-03 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 10.1K | $10.94 | $111K |
| 2026-04-03 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 7.4K | $11.27 | $84K |
| 2026-03-17 | DSP | Viant Technology Inc. | A - Grant or award [10b5-1] | 249.3K | $0.00 | |
| 2026-03-17 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 1.7K | $13.03 | $22K |
| 2026-03-12 | DSP | Viant Technology Inc. | F - Tax withholding / forfeiture | 35.3K | $10.50 | $371K |
| 2026-01-26 | DSP | Viant Technology Inc. | S - Open-market sale [10b5-1] | 4.2K | $13.09 | $55K |
Companies - Last 90 Days
- Viant Technology Inc. (DSP) - 5 filings, last 2026-07-27
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Larry Madden has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Capital V LLC - $2.89M of DSP open-market activity in the last 12 months
- Timothy Vanderhook - $1.15M of DSP open-market activity in the last 12 months
- Christopher Vanderhook - $1.15M of DSP open-market activity in the last 12 months
- Max O. Valdes - $80K of DSP open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- LAZARUS ENERGY HOLDINGS, LLC
- Sang Young Lee
- Sam Levinson
- Paul S. Levy
- Liberty 77 Capital L.P.
- LIBERTY MUTUAL HOLDING CO
- Alfred Lin
- Lincoln Financial Investments Corp
Frequently Asked Questions
Who is Larry Madden?
Larry Madden is the Chief Financial Officer at Viant Technology Inc. (DSP). Madden has reported 17 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Larry Madden submitted recently?
5 primary Form 4 filings in the last 90 days, covering 1 company.
Has Larry Madden been buying or selling stock?
Recorded transactions: 0 open-market purchases and 31 open-market sales ($5.09M) across all tracked filings.
Where can I see all of Larry Madden's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Larry Madden profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.