Form 4: Magnite Director Sells Shares
Insider Transaction (Form 4)
Robert F Spillane, a Director of Magnite, Inc., sold 10,363 shares of common stock on September 14, 2026 for $23.76 per share.
Summary
- Option exercise/conversion: acquired 10,363 Common Stock at $5.17 ($53,577) on September 14, 2026; holds 68,078 after (Direct).
- Open-market sale: disposed of 10,363 Common Stock at $23.76 ($246,225) on September 14, 2026; holds 57,715 after (Direct).
- Option exercise/conversion: disposed of 10,363 Stock Option (right to buy) on September 14, 2026 (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $246,225 of stock on the open market.
Insider Transactions
Robert F Spillane — Director
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-14 | Option exercise/conversion | Common Stock | 10,363 | $5 | $53.6K | 68,078 |
| 2026-09-14 | Open-market sale | Common Stock | 10,363 | $24 | $246.2K | 57,715 |
| 2026-09-14 | Option exercise/conversion | Stock Option (right to buy) | 10,363 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-14 | Option exercise/conversion (10,363 shares) |
| 2026-09-14 | Open-market sale (10,363 shares) |
| 2026-09-14 | Option exercise/conversion (10,363 shares) |
Keywords
insider transaction, Form 4, MGNI, MAGNITE, INC., bearish, Robert F Spillane
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