Form 4 Tracker
MAGNITE, INC.
MGNI

44 insider filings · Latest: Aug 13, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 17, 2026Jun 17 8:05 PMDAVID BUONASERA
Proposed Sale
1,409$19.00$26.8K

View →

Jun 16, 2026Jun 16 8:40 PMDOUGLAS KNOPPER
Proposed Sale
37,337$16.75$625.4K

View →

Jun 16, 2026Jun 16 8:22 PMDAVID BUONASERA
Proposed Sale
11,233$18.00$202.2K

View →

Jun 16, 2026Jun 16 8:21 PMMICHAEL G BARRETT
Proposed Sale
100,000$17.50$1.8M

View →

Jun 16, 2026Jun 16 8:09 PMADAM L SOROCA
Proposed Sale
6,000$18.00$108.0K

View →

Jun 15, 2026Jun 15 9:07 PMDAVID BUONASERA
Proposed Sale
1,057$17.00$18.0K

View →

Jun 15, 2026Jun 15 8:28 PMMICHAEL G BARRETT
Proposed Sale
178,596$16.59$3.0M

View →

Jun 15, 2026Jun 15 8:05 PMADAM L SOROCA
Proposed Sale
6,000$17.00$102.0K

View →

Jun 11, 2026Jun 11 8:19 PMADAM L SOROCA
Proposed Sale
6,500$16.03$104.2K

View →

Jun 10, 2026Jun 11 12:50 AMDouglas S KnopperDirector
Sale
10,766$15.73$169.3K163,147(D)

View →

Jun 10, 2026Jun 11 12:45 AMDavid T. PearsonDirector
Sale
10,766$15.65$168.5K79,001(D)

View →

Jun 10, 2026Jun 10 8:28 PMDOUGLAS KNOPPER
Proposed Sale
10,766$15.81$170.2K

View →

Jun 10, 2026Jun 10 8:04 PMDAVID T PEARSON
Proposed Sale
10,766$15.65$168.5K

View →

Jun 9, 2026Jun 9 8:10 PMADAM L SOROCA
Proposed Sale
6,900$15.25$105.2K

View →

Jun 1, 2026Jun 3 8:45 PMDavid BuonaseraCHIEF TECHNOLOGY OFFICER
Sale
1,409$15.00$21.1K292,784(D)

View →

Jun 3, 2026Jun 3 8:16 PMADAM L SOROCA
Proposed Sale
7,100$14.22$101.0K

View →

Jun 1, 2026Jun 1 8:28 PMADAM L SOROCA
Proposed Sale
27,606$15.14$418.0K

View →

Jun 1, 2026Jun 1 8:11 PMDAVID BUONASERA
Proposed Sale
1,409$15.00$21.1K

View →

May 28, 2026May 28 8:21 PMADAM L SOROCA
Proposed Sale
42,756$14.11$603.1K

View →

May 27, 2026May 27 8:24 PMADAM L SOROCA
Proposed Sale
18,225$13.74$250.5K

View →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 6, 2026Aug 7 9:14 PMSean Patrick BuckleyPresident, Revenue & Market Strategy
Option Exercise
28,703$13.9057,405(D)

View →

Aug 6, 2026Aug 7 9:06 PMKatie Seitz EvansPresident, Product & Operations
Option Exercise
20,000$5.160(D)

View →

Aug 6, 2026Aug 7 9:00 PMMichael G. BarrettDirector, CEO
Option Exercise
293,968$5.800(D)

View →

Jul 15, 2026Jul 17 9:00 PMMichael G. BarrettDirector, CEO
Option Exercise
38,596$5.80293,968(D)

View →

Jun 29, 2026Jul 1 8:49 PMMichael G. BarrettDirector, CEO
Option Exercise
75,000$5.80332,564(D)

View →

Jun 16, 2026Jun 17 10:44 PMMichael G. BarrettDirector, CEO
Option Exercise
100,000$5.80407,564(D)

View →

Jun 15, 2026Jun 17 10:44 PMMichael G. BarrettDirector, CEO
Option Exercise
178,596$5.80507,564(D)

View →