MGNI Insider Trading Activity and SEC Form 4 Filings
MGNI insider trading summary
Over the past 12 months, insiders at Magnite, Inc. (MGNI) reported 49 sales worth $25.8M by 13 insiders and no open-market purchases on SEC Form 4. Net insider selling was $25.8M.
Latest MGNI insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 5, 2026 | David Buonasera | Chief Technology Officer | Sell | $40K (1,434 @ $28.00) |
| Nov 5, 2026 | Sean Patrick Buckley | See Remarks | Sell | $297K (10,991 @ $27.00) |
| Nov 5, 2026 | David Buonasera | Chief Technology Officer | Sell | $115K (4,272 @ $27.00) |
| Oct 12, 2026 | Paul Caine | Director | Sell | $316K (12,500 @ $25.29) |
| Sep 17, 2026 | Paul Caine | Director | Sell | $199K (7,500 @ $26.50) |
| Sep 17, 2026 | Douglas S Knopper | Director | Sell | $981K (37,337 @ $26.28) |
| Sep 14, 2026 | David Buonasera | Chief Technology Officer | Sell | $28K (1,165 @ $24.00) |
| Sep 14, 2026 | Robert F Spillane | Director | Sell | $246K (10,363 @ $23.76) |
| Sep 11, 2026 | Katie Seitz Evans | See Remarks | Sell | $336K (13,997 @ $24.00) |
| Sep 10, 2026 | Paul Caine | Director | Sell | $118K (5,000 @ $23.53) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.