MAGNITE, INC. — Director's Dealing 2019

May 18, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RUBICON PROJECT, INC. (RUBI)
CIK: 0001595974
Period of Report: 2019-05-15

Reporting Person: Spillane Robert F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-15	Common Stock	A	19562	—	Acquired	66486	Direct

Footnotes

F1: Represents restricted stock units that vest in full on the earliest of (i) May 15, 2020, (ii) the date of the 2020 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2: Granted as compensation for services.