Form 4 Tracker
MAGNITE, INC.
MGNI

44 insider filings · Latest: Aug 13, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 19, 2026May 21 9:00 PMRobert F SpillaneDirector
Sale
10,000$13.33$133.3K43,917(D)

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May 19, 2026May 19 8:16 PMROBERT SPILLANE
Proposed Sale
10,000$13.33$133.3K

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May 18, 2026May 18 8:01 PMADAM L SOROCA
Proposed Sale
18,451$13.44$248.0K

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Feb 18, 2026Feb 18 9:55 PMAdam Lee SorocaCHIEF PRODUCT OFFICER
Sale
21,529$12.00$258.3K388,425(D)

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Feb 18, 2026Feb 18 9:34 PMADAM L SOROCA
Proposed Sale
21,529$12.00$258.3K

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Dec 17, 2025Dec 17 9:04 PMADAM L SOROCA
Proposed Sale
16,656$17.00$283.2K

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Nov 24, 2025Nov 24 9:12 PMSEAN P BUCKLEY
Proposed Sale
2,213$14.50$32.1K

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Nov 21, 2025Nov 21 11:09 PMROBERT SPILLANE
Proposed Sale
12,500$14.22$177.8K

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Nov 18, 2025Nov 18 9:10 PMADAM L SOROCA
Proposed Sale
10,857$13.23$143.7K

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Nov 18, 2025Nov 18 9:09 PMSEAN P BUCKLEY
Proposed Sale
4,426$13.36$59.1K

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Sep 19, 2025Sep 19 8:24 PMPAUL CAINE
Proposed Sale
7,500$23.88$179.1K

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Sep 19, 2025Sep 19 8:03 PMAARON SALTZ
Proposed Sale
8,522$24.50$208.8K

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Sep 15, 2025Sep 15 9:05 PMAARON SALTZ
Proposed Sale
6,180$23.94$147.9K

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Sep 9, 2025Sep 9 8:14 PMSEAN BUCKLEY
Proposed Sale
20,000$24.61$492.1K

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Sep 8, 2025Sep 8 8:23 PMSEAN BUCKLEY
Proposed Sale
20,000$25.56$511.2K

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Sep 4, 2025Sep 4 8:03 PMBRIAN GEPHART
Proposed Sale
27,671$24.71$683.8K

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Sep 3, 2025Sep 3 8:02 PMDAVID BUONASERA
Proposed Sale
2,950$25.37$74.8K

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Sep 2, 2025Sep 2 8:10 PMADAM L SOROCA
Proposed Sale
24,986$24.69$616.9K

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Aug 29, 2025Aug 29 8:23 PMAARON SALTZ
Proposed Sale
12,403$26.07$323.4K

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Aug 27, 2025Aug 27 8:33 PMKATHERYN EVANS
Proposed Sale
21,509$25.52$549.0K

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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)

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

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

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

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

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

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

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