Form 4: Magnite Executive Sells Shares
Insider Transaction (Form 4)
Katie Seitz Evans, See Remarks of Magnite, Inc., sold 43,385 shares of common stock on September 8, 2026.
Summary
- Option exercise/conversion: acquired 13,546 Common Stock at $5.16 ($69,897) on September 8, 2026; holds 499,182 after (Direct).
- Open-market sale: disposed of 32,285 Common Stock at $23.63 ($762,895) on September 8, 2026; holds 466,897 after (Direct).
- Open-market sale: disposed of 11,100 Common Stock at $23.46 ($260,406) on September 9, 2026; holds 455,797 after (Direct).
- Option exercise/conversion: disposed of 13,546 Employee Stock Option (Right to Buy) on September 8, 2026 (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $1,023,301 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Katie Seitz Evans — Officer (See Remarks)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-08 | Option exercise/conversion | Common Stock | 13,546 | $5 | $69.9K | 499,182 |
| 2026-09-08 | Open-market sale | Common Stock | 32,285 | $24 | $762.9K | 466,897 |
| 2026-09-09 | Open-market sale | Common Stock | 11,100 | $23 | $260.4K | 455,797 |
| 2026-09-08 | Option exercise/conversion | Employee Stock Option (Right to Buy) | 13,546 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-08 | Option exercise/conversion (13,546 shares) |
| 2026-09-08 | Open-market sale (32,285 shares) |
| 2026-09-09 | Open-market sale (11,100 shares) |
| 2026-09-08 | Option exercise/conversion (13,546 shares) |
Keywords
insider transaction, Form 4, MGNI, MAGNITE, INC., bearish, Katie Seitz Evans
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