Magnite, Inc. SEC filings MGNI
Magnite, Inc. has 1,006 filings in SEC EDGAR's recent list, going back to Jan 17, 2019. Its latest annual report, Form ARS, was filed on Apr 21, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| UPLOAD | Letter from the SEC | Jun 14, 2023 | — |
| CORRESP | Letter to the SEC | May 31, 2023 | — |
| UPLOAD | Letter from the SEC | May 5, 2023 | — |
| EFFECT | Filing | Jun 24, 2021 | — |
| 8-A12B | Filing | Jun 8, 2020 | — |
| 25 | Filing | Jun 8, 2020 | — |
| CERT | Filing | Jun 8, 2020 | — |
| 425 | Current report | Mar 23, 2020 | — |
| 425 | Rule 425 | Feb 27, 2020 | — |
| 425 | Filing under securities act rule 425 of certain prospectuses | Feb 26, 2020 | — |
| EFFECT | Filing | Feb 11, 2020 | — |
| CORRESP | Letter to the SEC | Feb 7, 2020 | — |
| UPLOAD | Letter from the SEC | Feb 7, 2020 | — |
| 425 | Amendment to form 8-k | Jan 31, 2020 | — |
| 425 | Current report | Jan 30, 2020 | — |
| 425 | Current report | Jan 16, 2020 | — |
| 425 | Filing | Jan 14, 2020 | — |
| 425 | 8-k | Dec 23, 2019 | — |
| 425 | Filing | Dec 19, 2019 | — |
| 425 | 8-k | Dec 19, 2019 | — |
Showing 20 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Computer Programming, Data Processing, Etc. (SIC 7370)
- Listed as
- MGNI (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1595974
- Former names
- RUBICON PROJECT, INC. (until Jun 30, 2020)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.