Form 4 Tracker
MAGNITE, INC.
MGNI

44 insider filings · Latest: Aug 13, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 20, 2025May 20 8:13 PMADAM SOROCA
Proposed Sale
8,328$17.00$141.6K

View →

May 16, 2025May 16 8:15 PMADAM SOROCA
Proposed Sale
11,366$15.73$178.8K

View →

May 16, 2025May 16 8:04 PMSEAN P BUCKLEY
Proposed Sale
9,692$15.73$152.5K

View →

May 12, 2025May 12 9:05 PMGephart Brian
Proposed Sale
6,334$16.16$102.4K

View →

Mar 3, 2025Mar 4 11:23 PMGephart Brian
Proposed Sale
6,250$16.00$100.0K

View →

Mar 3, 2025Mar 3 9:24 PMADAM SOROCA
Proposed Sale
15,499$15.75$244.1K

View →

Feb 19, 2025Feb 19 9:00 PMSEAN P BUCKLEY
Proposed Sale
10,527$19.13$201.4K

View →

Feb 10, 2025Feb 10 9:31 PMPAUL CAINE
Proposed Sale
15,000$21.17$317.6K

View →

Feb 7, 2025Feb 7 9:13 PMDAVID DAY
Proposed Sale
39,000$20.00$780.0K

View →

Feb 7, 2025Feb 7 9:12 PMJAMES S ROSSMAN
Proposed Sale
149,936$19.46$2.9M

View →

Feb 7, 2025Feb 7 9:06 PMAARON SALTZ
Proposed Sale
17,947$19.75$354.5K

View →

Feb 7, 2025Feb 7 9:03 PMKATHERYN EVANS
Proposed Sale
12,520$20.00$250.4K

View →

Feb 7, 2025Feb 7 9:02 PMSEAN P BUCKLEY
Proposed Sale
18,693$20.00$373.9K

View →

Feb 6, 2025Feb 6 9:23 PMDAVID DAY
Proposed Sale
13,245$18.35$243.0K

View →

Jan 3, 2025Jan 3 9:15 PMDAVID DAY
Proposed Sale
13,345$17.00$226.9K

View →

Dec 17, 2024Dec 17 9:12 PMDAVID DAY
Proposed Sale
13,500$16.32$220.3K

View →

Dec 16, 2024Dec 16 9:09 PMDAVID DAY
Proposed Sale
11,644$16.44$191.4K

View →

Dec 13, 2024Dec 13 9:00 PMDAVID BUONASERA
Proposed Sale
1,969$16.31$32.1K

View →

Dec 4, 2024Dec 4 7:17 PMBARRETT MICHAEL G.
Proposed Sale
147,996$17.52$2.6M

View →

Nov 27, 2024Nov 27 9:02 PMDAVID BUONASERA
Proposed Sale
431$16.78$7.2K

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 →