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MAGNITE, INC.

For the period ended Sep 30, 2026. Filed Nov 4, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 4, 2026

MGNI$27.39-0.5%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Other Information

Item 5. Other Information

Trading Plans

In the third quarter of 2026, the following trading plans were adopted orterminated by our Section 16 officers or directors:

Officer NameOfficer TitleDate Plan Adopted/TerminatedDuration of PlanShares to be Purchased or SoldIntended to Satisfy Rule 10b5-1(c)?
David DayFormer Chief Financial OfficerAdopted August 17, 2026November 16, 2026 - March 3, 2027Sell up to 75,601, subject to certain conditionsYes
Sean BuckleyPresident, Revenue & Market StrategyAdopted September 11, 2026December 11, 2026 - December 9, 2027Sell up to 357,727*, subject to certain conditionsYes
Michael BarrettChief Executive Officer and DirectorAdopted September 15, 2026December 15, 2026 - March 15, 2028Sell up to 600,000, subject to certain conditionsYes
Aaron SaltzChief Legal OfficerTerminated September 15, 2026September 10, 2026 - June 11, 2027Sell up to 100,000, subject to certain conditionsYes

*Represents a combination of previously vested shares and gross amounts of shares that will vest over the duration of the plan (shares that will actually be sold under the plan are net of tax withholding).

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.