MAGNITE, INC. — Director's Dealing 2021

Mar 27, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MAGNITE, INC. (MGNI)
CIK: 0001595974
Period of Report: 2021-03-25

Reporting Person: Day David (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-25	Common Stock	M	10454	$1.97	Acquired	287789	Direct
2021-03-25	Common Stock	S	10454	$39.74	Disposed	277335	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-25	Employee Stock Option (Right to Buy)	$1.97	M	10454	Disposed	2028-03-15	Common Stock (10454.0)	Direct

Footnotes

F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2: 25% of the stock options vested on February 1, 2019 and the remaining option shares have vested or will vest in 36 equal installments each calendar month thereafter.

F3: Granted as compensation for services.