MAGNITE, INC. — Director's Dealing 2021

Feb 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MAGNITE, INC. (MGNI)
CIK: 0001595974
Period of Report: 2021-02-16

Reporting Person: Day David (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-16	Common Stock	M	7372	$6.06	Acquired	284707	Direct
2021-02-16	Common Stock	S	7372	$60.69	Disposed	277335	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-16	Stock Option (right to buy)	$6.06	M	7372	Disposed	2027-03-15	Common Stock (7372.0)	Direct

Footnotes

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

F2: Exercisable in full.

F3: Granted as compensation for services.