MAGNITE, INC. - MGNI
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 97
Latest filed: Aug 18, 2026
| Form | Count |
|---|---|
| 4 | 44 |
| 144 | 40 |
| 8-K | 6 |
| SCHEDULE 13G/A | 4 |
| SCHEDULE 13G | 3 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001865116-26-000009 | View |
| Aug 18, 2026 | 4 | Aug 14, 2026 | 0001411765-26-000005 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001523288-26-000010 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001100612-26-000011 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001778484-26-000008 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001807986-26-000007 | View |
| Aug 18, 2026 | 144 | — | 0001950047-26-008319 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001700262-26-000009 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001966857-26-000011 | View |
| Aug 17, 2026 | 144 | — | 0001950047-26-008259 | View |
| Aug 14, 2026 | 4 | Aug 13, 2026 | 0001523288-26-000008 | View |
| Aug 14, 2026 | 144 | — | 0001950047-26-008174 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | — | 0000902219-26-000303 | View |
| Aug 12, 2026 | 4 | Aug 10, 2026 | 0001411765-26-000003 | View |
| Aug 12, 2026 | 4 | Aug 10, 2026 | 0001579232-26-000004 | View |
| Aug 12, 2026 | 4 | Aug 10, 2026 | 0001778484-26-000006 | View |
| Aug 10, 2026 | 144 | — | 0001950047-26-007857 | View |
| Aug 10, 2026 | 144 | — | 0001950047-26-007869 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001100612-26-000009 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001700262-26-000007 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001966857-26-000009 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001350876-26-000003 | View |
| Aug 07, 2026 | 4 | Aug 06, 2026 | 0001865116-26-000007 | View |
| Aug 06, 2026 | 144 | — | 0001950047-26-007745 | View |
| Aug 06, 2026 | 144 | — | 0001950047-26-007746 | View |
| Aug 06, 2026 | 144 | — | 0001950047-26-007747 | View |
| Aug 06, 2026 | 144 | — | 0001950047-26-007749 | View |
| Aug 06, 2026 | 144 | — | 0001950047-26-007720 | View |
| Aug 06, 2026 | 144 | — | 0001950047-26-007742 | View |
| Aug 06, 2026 | SCHEDULE 13G | — | 0000315066-26-002056 | View |
| Aug 05, 2026 | 8-K | Aug 05, 2026 | 0001628280-26-053334 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001193125-26-307959 | View |
| Jul 15, 2026 | 144 | — | 0001950047-26-007098 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001193125-26-303451 | View |
| Jul 10, 2026 | 144 | — | 0001950047-26-007007 | View |
| Jul 09, 2026 | 4 | Jul 07, 2026 | 0001193125-26-299731 | View |
| Jul 09, 2026 | 4 | Jul 07, 2026 | 0001193125-26-299750 | View |
| Jul 07, 2026 | 144 | — | 0001950047-26-006936 | View |
| Jul 07, 2026 | 144 | — | 0001950047-26-006910 | View |
| Jul 07, 2026 | 144 | — | 0001950047-26-006919 | View |
| Jul 02, 2026 | 4 | Jul 01, 2026 | 0001193125-26-295113 | View |
| Jul 01, 2026 | 4 | Jun 29, 2026 | 0001193125-26-292738 | View |
| Jul 01, 2026 | 144 | — | 0001950047-26-006680 | View |
| Jul 01, 2026 | 144 | — | 0001950047-26-006720 | View |
| Jun 29, 2026 | 144 | — | 0001950047-26-006575 | View |
| Jun 18, 2026 | 4 | Jun 17, 2026 | 0001193125-26-276264 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001193125-26-274501 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001193125-26-274503 | View |
| Jun 17, 2026 | 4 | Jun 16, 2026 | 0001193125-26-274508 | View |
| Jun 17, 2026 | 144 | — | 0001950047-26-006273 | View |
| Jun 17, 2026 | 144 | — | 0001950047-26-006278 | View |
| Jun 17, 2026 | 144 | — | 0001950047-26-006248 | View |
| Jun 16, 2026 | 144 | — | 0001950047-26-006188 | View |
| Jun 16, 2026 | 144 | — | 0001950047-26-006189 | View |
| Jun 16, 2026 | 144 | — | 0001950047-26-006219 | View |
| Jun 16, 2026 | 144 | — | 0001950047-26-006176 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006152 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006060 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006083 | View |
| Jun 11, 2026 | 8-K | Jun 08, 2026 | 0001628280-26-042512 | View |
| Jun 11, 2026 | 144 | — | 0001950047-26-005924 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266358 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266363 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266364 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266370 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266371 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266375 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266376 | View |
| Jun 10, 2026 | 4 | Jun 08, 2026 | 0001193125-26-266380 | View |
| Jun 10, 2026 | 144 | — | 0001950047-26-005851 | View |
| Jun 10, 2026 | 144 | — | 0001950047-26-005889 | View |
| Jun 09, 2026 | 144 | — | 0001950047-26-005806 | View |
| Jun 03, 2026 | 4 | Jun 01, 2026 | 0001966857-26-000006 | View |
| Jun 03, 2026 | 144 | — | 0001950047-26-005554 | View |
| Jun 01, 2026 | 144 | — | 0001950047-26-005404 | View |
| Jun 01, 2026 | 144 | — | 0001950047-26-005352 | View |
| May 28, 2026 | 144 | — | 0001950047-26-005207 | View |
| May 27, 2026 | 144 | — | 0001950047-26-005148 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001603808-26-000002 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001100612-26-000004 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001966857-26-000005 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001778484-26-000003 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001807986-26-000004 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001523288-26-000005 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001700262-26-000004 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001865116-26-000004 | View |
| May 19, 2026 | 144 | — | 0001950047-26-004749 | View |
| May 18, 2026 | 144 | — | 0001950047-26-004655 | View |
| May 14, 2026 | SCHEDULE 13G/A | — | 0001422848-26-000060 | View |
| May 06, 2026 | 8-K | May 06, 2026 | 0001595974-26-000023 | View |
| May 06, 2026 | SCHEDULE 13G/A | — | 0000315066-26-001272 | View |
| Apr 30, 2026 | SCHEDULE 13G | — | 0002100119-26-000678 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100121-26-000493 | View |
| Apr 20, 2026 | 8-K | Apr 20, 2026 | 0001595974-26-000016 | View |
| Apr 10, 2026 | 8-K | Apr 07, 2026 | 0001595974-26-000013 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001721 | View |
| Feb 25, 2026 | 8-K | Feb 25, 2026 | 0001595974-26-000010 | View |