MAGNITE, INC. — Director's Dealing 2020

Dec 3, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MAGNITE, INC. (MGNI)
CIK: 0001595974
Period of Report: 2020-12-01

Reporting Person: Soroca Adam Lee (Head of Global Buyer Team)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-01	Common Stock	S	6695	$19.47	Disposed	357806	Direct
2020-12-01	Common Stock	M	2792	$1.97	Acquired	360598	Direct
2020-12-01	Common Stock	M	878	$4.92	Acquired	361476	Direct
2020-12-01	Common Stock	S	3670	$19.47	Disposed	357806	Direct
2020-12-03	Common Stock	S	10000	$20	Disposed	347806	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-01	Employee Stock Option (Right to Buy)	$1.97	M	2792	Disposed	2028-03-15	Common Stock (2792.0)	Direct
2020-12-01	Employee Stock Option (Right to Buy)	$4.92	M	878	Disposed	2029-02-20	Common Stock (878.0)	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 will vest 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.

F4: 25% of the stock options will vest on February 1, 2020 and the remaining option shares have vested or will vest in 36 equal installments each calendar month thereafter.