Employer with a benefit plan ยท SEC filer
MAGNITE, INC.
Also filed as RUBICON PROJECT, INC.
1250 BROADWAY, 15TH FLOOR, NEW YORK, NY 10001
EIN
20-8881738
SEC CIK
0001595974
SEC · 2026-09-03
Industry (SIC)
Services-Computer Programming, Data Processing, Etc. (7370)
SEC · 2026-09-03
State of incorporation
DE
SEC · 2026-09-03
Ticker
MGNI
SEC · 2026-09-03
Latest SEC filing
4 2026-09-03
SEC · 2026-09-03
Benefit plan 1, 2024 filing
MAGNITE, INC. RETIREMENT SAVINGS PLAN
DOL · 2025-10-09
Participants (start of year)
1,004
DOL · 2025-10-09
Plan features
code 2E2F2G2J2K2S2T3D
DOL · 2025-10-09
Plan type
Single-employer plan
DOL · 2025-10-09
Business code (NAICS)
519100
DOL · 2025-10-09
Benefit plan 501, 2024 filing
MAGNITE, INC. EMPLOYEE HEALTH AND WELFARE BENEFITS PLAN
DOL · 2025-07-02
Participants (start of year)
681
DOL · 2025-07-02
Plan features
code 4A4B4D4E4F4H4L4Q
DOL · 2025-07-02
Plan type
Single-employer plan
DOL · 2025-07-02