Magnite (MGNI)CHIEF LEGAL OFFICER sold ~$323K

~$323K

Approx. value · 14K sh @ $23.34

248K

Holds after · shares reported

Traded

Aug 14, 2025

Filed

Aug 15, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jun 16, 2025Insider · 3 peopleInsiders: 3 sales (~$1.5M)
2. Jun 18, 2025Insider · 3 peopleInsiders: 3 sales (~$3.9M)
3. Jun 24, 2025Insider · 4 peopleInsiders: 4 sales (~$7.7M)
4. Jun 26, 2025InsiderCFO sold ~$754K of MGNI shares in the open market
5. Jun 30, 2025Insider · 4 peopleInsiders: 5 sales (~$1.6M)
6. Jul 3, 2025InsiderOfficer sold ~$1.06M of MGNI shares in the open market
7. Jul 10, 2025InsiderDirector sold ~$118K of MGNI shares in the open market
8. Jul 15, 2025InsiderCEO sold ~$1.65M of MGNI shares in the open market
9. Aug 11, 2025InsiderDirector sold ~$111K of MGNI shares in the open market
10. Aug 12, 2025InsiderDirector sold ~$334K of MGNI shares in the open market
11. Aug 14, 2025 · this disclosureInsiderOfficer sold ~$323K of MGNI shares in the open market

What came next

1. Aug 18, 2025Insider · 8 peopleInsiders: 8 sales (~$2.3M)
2. Aug 19, 2025Insider · 2 peopleInsiders: 2 sales (~$466K)
3. Aug 25, 2025Insider · 2 peopleInsiders: 2 sales (~$404K)
4. Aug 26, 2025InsiderDirector sold ~$505K of MGNI shares in the open market
5. Aug 27, 2025InsiderOfficer sold ~$549K of MGNI shares in the open market
6. Aug 29, 2025InsiderOfficer sold ~$323K of MGNI shares in the open market
7. Aug 31, 2025Company filing · Form 8-K · Material agreementSigned an important agreement
8. Sep 2, 2025Insider · 1 personInsiders: 2 sales (~$617K)
9. Sep 3, 2025InsiderOfficer sold ~$75K of MGNI shares in the open market
10. Sep 4, 2025InsiderOfficer sold ~$684K of MGNI shares in the open market
11. Sep 8, 2025InsiderOfficer sold ~$511K of MGNI shares in the open market
12. Sep 9, 2025InsiderOfficer sold ~$492K of MGNI shares in the open market
13. Sep 10, 2025Insider · 1 personInsiders: 2 sales (~$118K)
14. Sep 15, 2025InsiderOfficer sold ~$148K of MGNI shares in the open market
15. Sep 19, 2025Insider · 2 peopleInsiders: 2 sales (~$396K)
16. Nov 5, 2025Company filing · Form 8-K · ResultsReported its results

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Magnite

For Magnite, OQRO holds 2 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MGNI page.

Other recent filings by Aaron Saltz, CHIEF LEGAL OFFICER

• SEC Form 4 at Magnite (MGNI)Sep 19, 2025
• SEC Form 4 at Magnite (MGNI)Sep 17, 2025
• SEC Form 4 at Magnite (MGNI)Aug 29, 2025
• SEC Form 4 at Magnite (MGNI)Aug 20, 2025
• SEC Form 4 at Magnite (MGNI)Jul 2, 2025

The full history of Aaron Saltz, CHIEF LEGAL OFFICER is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Magnite

• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRMay 15, 2026
• SEC Form 13F-HRMay 15, 2026
• SEC Form 13F-HRMay 13, 2026
• SEC Form 13F-HRFeb 17, 2026

Everything OQRO holds on this company is on its MGNI page.