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Barrett Michael G.'s Form 4 filing

Magnite, Inc. (MGNI) · filed Jun 17, 2026

Accession no.
0001193125-26-274501
Filed
Jun 17, 2026
Trade date
Jun 15-16, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $4.71M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Barrett Michael G.CIK 0001100612Director, Officer (CEO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jun 15, 2026Common StockMOption exerciseAcquired+178,596$5.80+$1,035,856.8581,670Direct
Jun 15, 2026Common StockSSaleDisposed−178,596$16.59F2−$2,962,907.64403,074Direct
Jun 16, 2026Common StockMOption exerciseAcquired+100,000$5.80+$580,000503,074Direct
Jun 16, 2026Common StockSSaleDisposed−100,000$17.50−$1,750,000403,074Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Jun 15, 2026Common StockMOption exerciseDisposed−178,596$0.00F4$0507,564Direct
Jun 16, 2026Common StockMOption exerciseDisposed−100,000$0.00F4$0407,564Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.945 to $16.93, 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.

Referenced by the price of 1 transaction in Table I.

F4

Granted as compensation for services.

Referenced by the price of 2 transactions in Table II.

Read the full filing on SEC EDGAR (opens in a new tab)