James Rossman - 08 Jun 2026 Form 4 Insider Report for MAGNITE, INC. (MGNI)

Reporting relationship: Director
Issuer ticker: MGNI
Reported as of: 08 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Jun 2026, 20:47:08 UTC
Prior SEC filing: 20 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Aaron Saltz, attorney-in-fact

Key filing fact

James Rossman filed Form 4 for MAGNITE, INC. (MGNI) on 10 Jun 2026.

Key facts

This page summarizes James Rossman's Form 4 filing for MAGNITE, INC. (MGNI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Jun 2026, 20:47.

Change

Previous filing in this sequence was filed on 20 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001296625 Primary reporting owner

Rossman James

Relationship: Director
Address: C/O MAGNITE, INC., 1250 BROADWAY, 9TH FLOOR, NEW YORK
Signature: /s/ Aaron Saltz, attorney-in-fact
Signature date: 10 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MGNI transaction

Common Stock

Award

Transaction value
Shares: +13,798
Change %: +15%
Price: $0.000000^*
Shares after: 107,477
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents restricted stock units that vest in full on the earliest of (i) June 8, 2027, (ii) the date of the 2027 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

Footnote F2

Granted as compensation for services.