Buckley Sean Patrick sold MGNI

August 17, 2026 · Form 4 insider transaction

Buckley Sean Patrick sold 8,271 shares of Magnite, Inc. at $24.31 per share, a transaction worth $201.1K. 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
8,271
Price
$24.31
Total value
$201.1K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 17, 2026
Filing dateAugust 18, 2026
Shares owned after295,819
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.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.05 to $24.55, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

View the original Form 4 on SEC EDGAR