MAGNITE, INC.
MGNI
65 insider filings · Latest: Oct 12, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | Sep 3 8:56 PM | David BuonaseraCHIEF TECHNOLOGY OFFICER | Sale | 5,371 | $23.42 | $125.8K | 247,363(D) | View → |
| Sep 2, 2026 | Sep 2 8:16 PM | DAVID BUONASERA | Proposed Sale | 1,043 | $25.00 | $26.1K | — | View → |
| Sep 1, 2026 | Sep 1 8:15 PM | DAVID BUONASERA | Proposed Sale | 5,371 | $23.42 | $125.8K | — | View → |
| Aug 28, 2026 | Aug 28 10:36 PM | Sarah Patricia HardenDirector | Sale | 18,436 | $24.00 | $442.5K | 114,751(D) | View → |
| Aug 26, 2026 | Aug 28 10:36 PM | Sarah Patricia HardenDirector | Sale | 30,550 | $23.31 | $712.1K | 133,187(D) | View → |
| Aug 28, 2026 | Aug 28 8:03 PM | SARAH PATRICIA HARDEN | Proposed Sale | 18,436 | $24.00 | $442.5K | — | View → |
| Aug 26, 2026 | Aug 26 8:37 PM | SARAH PATRICIA HARDEN | Proposed Sale | 30,550 | $23.31 | $712.2K | — | View → |
| Aug 18, 2026 | Aug 18 8:21 PM | SEAN BUCKLEY | Proposed Sale | 2,759 | $24.19 | $66.7K | — | View → |
| Aug 14, 2026 | Aug 18 8:16 PM | Paul CaineDirector | Sale | 7,500 | $25.00 | $187.5K | 149,901(D) | View → |
| Aug 18, 2026 | Aug 18 8:14 PM | Sean Patrick BuckleyPresident, Revenue & Market Strategy | Sale | 2,759 | $25.00 | $69.0K | 293,060(D) | View → |
| Aug 17, 2026 | Aug 18 8:14 PM | Sean Patrick BuckleyPresident, Revenue & Market Strategy | Sale | 8,271 | $24.31 | $201.1K | 295,819(D) | View → |
| Aug 17, 2026 | Aug 17 8:36 PM | SEAN BUCKLEY | Proposed Sale | 8,271 | $24.73 | $204.5K | — | View → |
| Aug 14, 2026 | Aug 14 8:45 PM | PAUL CAINE | Proposed Sale | 2,500 | $24.58 | $61.5K | — | View → |
| Aug 10, 2026 | Aug 12 8:54 PM | Brian GephartCHIEF ACCOUNTING OFFICER | Sale | 12,479 | $24.68 | $308.0K | 106,117(D) | View → |
| Aug 10, 2026 | Aug 12 8:51 PM | Rachel LamDirector | Sale | 10,000 | $24.16 | $241.6K | 230,620(D) | View → |
| Aug 10, 2026 | Aug 12 8:49 PM | Paul CaineDirector | Sale | 5,000 | $24.35 | $121.8K | 157,401(D) | View → |
| Aug 10, 2026 | Aug 10 8:21 PM | RACHEL LAM | Proposed Sale | 10,000 | $24.16 | $241.6K | — | View → |
| Aug 10, 2026 | Aug 10 8:16 PM | BRIAN GEPHART | Proposed Sale | 12,479 | $24.68 | $308.0K | — | View → |
| Aug 6, 2026 | Aug 7 9:14 PM | Sean Patrick BuckleyPresident, Revenue & Market Strategy | Sale | 67,179 | $24.49 | $1.6M | 315,805(D) | View → |
| Aug 6, 2026 | Aug 7 9:10 PM | Douglas S KnopperDirector | Sale | 37,337 | $22.72 | $848.3K | 88,473(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Sep 16 8:20 PM | Robert F SpillaneDirector | Option Exercise | 10,363 | $5.17 | 0(D) | View → |
| Sep 8, 2026 | Sep 10 8:39 PM | Katie Seitz EvansPresident, Product & Operations | Option Exercise | 13,546 | $5.16 | 0(D) | View → |
| Aug 6, 2026 | Aug 7 9:14 PM | Sean Patrick BuckleyPresident, Revenue & Market Strategy | Option Exercise | 28,703 | $13.90 | 57,405(D) | View → |
| Aug 6, 2026 | Aug 7 9:06 PM | Katie Seitz EvansPresident, Product & Operations | Option Exercise | 20,000 | $5.16 | 0(D) | View → |
| Aug 6, 2026 | Aug 7 9:00 PM | Michael G. BarrettDirector, CEO | Option Exercise | 293,968 | $5.80 | 0(D) | View → |
| Jul 15, 2026 | Jul 17 9:00 PM | Michael G. BarrettDirector, CEO | Option Exercise | 38,596 | $5.80 | 293,968(D) | View → |
| Jun 29, 2026 | Jul 1 8:49 PM | Michael G. BarrettDirector, CEO | Option Exercise | 75,000 | $5.80 | 332,564(D) | View → |
| Jun 16, 2026 | Jun 17 10:44 PM | Michael G. BarrettDirector, CEO | Option Exercise | 100,000 | $5.80 | 407,564(D) | View → |
| Jun 15, 2026 | Jun 17 10:44 PM | Michael G. BarrettDirector, CEO | Option Exercise | 178,596 | $5.80 | 507,564(D) | View → |