Updated Jul 16, 2026
Buonasera David has filed 5 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.35M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-09 | MGNI | MAGNITE, INC. | S — Open-market sale | 1.2K | $21.00 | $26K |
| 2026-07-02 | MGNI | MAGNITE, INC. | S — Open-market sale | 9.4K | $20.00 | $188K |
| 2026-06-17 | MGNI | MAGNITE, INC. | S — Open-market sale | 1.4K | $19.00 | $27K |
| 2026-06-17 | MGNI | MAGNITE, INC. | S — Open-market sale | 11.2K | $18.00 | $202K |
| 2026-06-17 | MGNI | MAGNITE, INC. | S — Open-market sale | 1.1K | $17.00 | $18K |
| 2026-06-03 | MGNI | MAGNITE, INC. | S — Open-market sale | 1.4K | $15.00 | $21K |
| 2026-05-19 | MGNI | MAGNITE, INC. | F — Tax withholding / forfeiture | 8.3K | $12.82 | $107K |
| 2026-02-18 | MGNI | MAGNITE, INC. | F — Tax withholding / forfeiture | 17.1K | $11.70 | $201K |
| 2026-01-12 | MGNI | MAGNITE, INC. | F — Tax withholding / forfeiture | 12.3K | $16.17 | $199K |
| 2026-01-12 | MGNI | MAGNITE, INC. | M — Option exercise | 22.9K | $0.00 | |
| 2025-09-03 | MGNI | MAGNITE, INC. | S — Open-market sale | 3.0K | $25.37 | $75K |
| 2025-08-18 | MGNI | MAGNITE, INC. | S — Open-market sale | 7.8K | $23.85 | $187K |
| 2025-06-30 | MGNI | MAGNITE, INC. | S — Open-market sale | 9.3K | $22.00 | $204K |
| 2024-12-13 | MGNI | MAGNITE, INC. | S — Open-market sale [10b5-1] | 2.0K | $16.31 | $32K |
| 2024-11-27 | MGNI | MAGNITE, INC. | S — Open-market sale [10b5-1] | 431 | $16.78 | $7K |
| 2024-11-26 | MGNI | MAGNITE, INC. | S — Open-market sale [10b5-1] | 9.2K | $17.00 | $157K |
| 2024-11-19 | MGNI | MAGNITE, INC. | S — Open-market sale [10b5-1] | 277 | $15.77 | $4K |
| 2024-11-19 | MGNI | MAGNITE, INC. | F — Tax withholding / forfeiture [10b5-1] | 5.1K | $15.85 | $80K |
| 2024-11-15 | MGNI | MAGNITE, INC. | S — Open-market sale [10b5-1] | 12.4K | $16.41 | $204K |
Buonasera David is a corporate insider — currently tracked as Insider of MAGNITE, INC. (MGNI). InsiderAlpha tracks every SEC Form 4 filing in real time.
5 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 14 open-market sales ($1.35M) across all tracked 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.
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