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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 7, 2026 | Oct 7, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 21, 2026 | Sep 21, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2026 | Jun 8, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 20, 2026 | Apr 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 10, 2026 | Apr 7, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2026 | Feb 25, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 16, 2025 | Sep 16, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 5, 2025 | Aug 31, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 18, 2025 | Mar 18, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 12, 2024 | Dec 11, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 18, 2024 | Sep 18, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2024 | Jun 12, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Regulation FD disclosure
|
Feb 7, 2024 | Feb 6, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 22, 2024 | Jan 22, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2023 | Nov 8, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2023 | Jun 14, 2023 |
| 8-K |
Current report
Results of operations
|
May 10, 2023 | May 10, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Other events
|
Jan 19, 2023 | Jan 19, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2022 | Nov 9, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 3, 2022 | Aug 2, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2022 | Jun 7, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Mar 22, 2022 | Mar 22, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2022 | Feb 23, 2022 |
| 8-K |
Current report
Other events
|
Dec 13, 2021 | Dec 13, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2021 | Nov 3, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 31, 2021 | Aug 26, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K/A | Amended current report | Jul 16, 2021 | Apr 30, 2021 |
| 8-K |
Current report
Material agreement, Officer or director change, Shareholder vote results
|
Jul 2, 2021 | Jun 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 1, 2021 | Jul 1, 2021 |
| 8-K |
Current report
Officer or director change
|
May 28, 2021 | May 26, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets, New debt, Unregistered share sale, Regulation FD disclosure
|
Apr 30, 2021 | Apr 30, 2021 |
| 8-K |
Current report
New debt, Unregistered share sale, Other events
|
Mar 19, 2021 | Mar 15, 2021 |
| 8-K |
Current report
Other events
|
Mar 15, 2021 | Mar 15, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2021 | Feb 24, 2021 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Feb 5, 2021 | Feb 4, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2020 | Nov 9, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 30, 2020 | Sep 25, 2020 |
| 8-K |
Current report
Officer or director change
|
Sep 22, 2020 | Sep 21, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2020 | Aug 10, 2020 |
| 8-K |
Current report
Officer or director change
|
Aug 5, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jul 10, 2020 | Jul 8, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Jun 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 18, 2020 | Jun 18, 2020 |
| 8-K/A | Amended current report | Jun 17, 2020 | Mar 30, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 11, 2020 | Jun 8, 2020 |
| 8-K |
Current report
Officer or director change
|
May 27, 2020 | May 27, 2020 |
| 8-K |
Current report
Listing notice
|
May 27, 2020 | May 26, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Other events
|
Apr 28, 2020 | Apr 27, 2020 |
| 8-K |
Current report
Acquisition or sale of assets, Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Apr 1, 2020 | Mar 30, 2020 |
| 8-K |
Current report
Other events
|
Mar 23, 2020 | Mar 23, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 28, 2020 | Feb 26, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2020 | Feb 26, 2020 |
| 8-K/A |
Amended current report
Results of operations, Other events
|
Jan 31, 2020 | Jan 30, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 30, 2020 | Jan 30, 2020 |
| 8-K |
Current report
Other events
|
Jan 16, 2020 | Jan 14, 2020 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Dec 23, 2019 | Dec 19, 2019 |
| 8-K |
Current report
Other events
|
Dec 19, 2019 | Dec 19, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2019 | Nov 6, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2019 | Jul 31, 2019 |
| 8-K |
Current report
Officer or director change
|
Jul 8, 2019 | Jul 1, 2019 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2019 | May 15, 2019 |
| 8-K |
Current report
Results of operations
|
May 1, 2019 | May 1, 2019 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 27, 2019 | Feb 21, 2019 |
Showing 82 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.