Buckley Sean Patrick sold MGNI

June 17, 2026 · Form 4 insider transaction

Buckley Sean Patrick sold 19,233 shares of Magnite, Inc. at $19.00 per share, a transaction worth $365.4K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
19,233
Price
$19.00
Total value
$365.4K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJune 17, 2026
Filing dateJune 18, 2026
Shares owned after373,514
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 10, 2025.

View the original Form 4 on SEC EDGAR