Magnite Inc.
Organization details
- Legal name
- Magnite Inc.
- Former names
- Rubicon Project, INC.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Information Technology
- SIC code
- 7370 — Services-Computer Programming, Data Processing, Etc.
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- New York
- Headquarters state / province
- New York
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- MGNI
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001595974
- EIN
- 20-8881738
- Wikidata ID
- Q4411116
Board of directors
-
David T. Pearson · DirectorSince 2023
-
Diane Yu · DirectorSince 2023
-
Douglas S. Knopper · DirectorSince 2023
-
James Rossman · DirectorSince 2023
-
Lisa L. Troe · DirectorSince 2023
-
Michael G. Barrett · Director · CEOSince 2023
-
Paul Caine · DirectorSince 2023
-
Rachel Lam · DirectorSince 2023
-
Robert F. Spillane · DirectorSince 2023
-
Robert J. Frankenberg · DirectorSince 2023
-
Sarah Patricia Harden · DirectorSince 2023
Chief executives
Director election results
Annual meeting of June 8, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
92.8%
-
95.0%
-
95.3%
Board connections
4 of this board's directors also sit on 4 other boards. 1 is in the same sector.
- via David T. Pearson
- via Michael G. Barrett
- via Rachel Lam
-
Stem Inc. Same sectorvia Lisa L. Troe
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $27,003,320
- 53 sales by 13 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 5, 2026 | Buckley Sean Patrick Officer (See Remarks) | Open-market sale | −10,991 | $27.00 | $296,757 |
| Nov 5, 2026 | Buonasera David Officer (CHIEF TECHNOLOGY OFFICER) | Open-market sale | −4,272 | $27.00 | $115,344 |
| Nov 5, 2026 | Buonasera David Officer (CHIEF TECHNOLOGY OFFICER) | Open-market sale | −1,434 | $28.00 | $40,152 |
| Oct 1, 2026 | Gephart Brian Officer (CHIEF FINANCIAL OFFICER) | Grant or award | +64,682 | — | — |
| Oct 1, 2026 | Sullivan Haas Officer (CHIEF ACCOUNTING OFFICER) | Grant or award | +24,641 | — | — |
| Sep 17, 2026 | Paul Caine Director | Open-market sale | −7,500 | $26.50 | $198,750 |
| Sep 17, 2026 | Douglas S. Knopper Director | Open-market sale | −37,337 | $26.28 | $981,216 |
| Sep 14, 2026 | Buonasera David Officer (CHIEF TECHNOLOGY OFFICER) | Open-market sale | −1,165 | $24.00 | $27,960 |
| Sep 14, 2026 | Robert F. Spillane Director | Option exercise | +10,363 | $5.17 | $53,577 |
| Sep 14, 2026 | Robert F. Spillane Director | Open-market sale | −10,363 | $23.76 | $246,225 |
| Sep 11, 2026 | Evans Katie Seitz Officer (See Remarks) | Open-market sale | −13,997 | $24.00 | $335,928 |
| Sep 10, 2026 | Paul Caine Director | Open-market sale | −5,000 | $23.53 | $117,650 |
| Sep 10, 2026 | Saltz Aaron Officer (CHIEF LEGAL OFFICER) | Open-market sale | −40,000 | $23.41 | $936,400 |
| Sep 9, 2026 | Evans Katie Seitz Officer (See Remarks) | Open-market sale | −11,100 | $23.46 | $260,406 |
| Sep 8, 2026 | Evans Katie Seitz Officer (See Remarks) | Option exercise | +13,546 | $5.16 | $69,897 |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Magnite Inc.
Who is the CEO of Magnite Inc.?
Michael G. Barrett is Magnite Inc.'s CEO.
How many directors are on Magnite Inc.'s board?
Magnite Inc.'s board has 11 directors: David T. Pearson, Diane Yu, Douglas S. Knopper, James Rossman, Lisa L. Troe, Michael G. Barrett, Paul Caine, Rachel Lam, Robert F. Spillane, Robert J. Frankenberg and 1 other.
Are Magnite Inc. insiders buying or selling shares?
Over the last 12 months, Magnite Inc. insiders made no open-market purchases and sold $27.0 million of shares in 53 sales on the open market, as reported to the SEC on Forms 4 and 5.
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