Magnite (MGNI)CHIEF TECHNOLOGY OFFICER sold ~$55K
David Buonasera, CHIEF TECHNOLOGY OFFICER at Magnite, sold ~$55K of Magnite shares.
- ~$55K
- Approx. value · 3,653 sh @ $15.03
- 267K
- Holds after · shares reported
- Traded
- May 23, 2025
- Filed
- May 28, 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.
- May 12, 2025InsiderOfficer sold ~$102K of MGNI shares in the open market
- May 16, 2025Insider · 2 peopleInsiders: 2 sales (~$331K)
- May 20, 2025InsiderOfficer sold ~$142K of MGNI shares in the open market
- May 23, 2025 · this disclosureInsiderOfficer sold ~$55K of MGNI shares in the open market
What came next
- May 27, 2025InsiderOfficer sold ~$140K of MGNI shares in the open market
- Jun 4, 2025InsiderOfficer sold ~$256K of MGNI shares in the open market
- Jun 5, 2025InsiderOfficer sold ~$608K of MGNI shares in the open market
- Jun 6, 2025Insider · 2 peopleInsiders: 2 sales (~$350K)
- Jun 10, 2025InsiderDirector sold ~$264K of MGNI shares in the open market
- Jun 16, 2025Insider · 3 peopleInsiders: 3 sales (~$1.5M)
- Jun 18, 2025Insider · 3 peopleInsiders: 3 sales (~$3.9M)
- Jun 24, 2025Insider · 4 peopleInsiders: 4 sales (~$7.7M)
- Jun 26, 2025InsiderCFO sold ~$754K of MGNI shares in the open market
- Jun 30, 2025Insider · 4 peopleInsiders: 5 sales (~$1.6M)
- Jul 3, 2025InsiderOfficer sold ~$1.06M of MGNI shares in the open market
- Jul 10, 2025InsiderDirector sold ~$118K of MGNI shares in the open market
- Jul 15, 2025InsiderCEO sold ~$1.65M of MGNI shares in the open market
- Aug 11, 2025InsiderDirector sold ~$111K of MGNI shares in the open market
- Aug 12, 2025InsiderDirector sold ~$334K of MGNI shares in the open market
- Aug 14, 2025InsiderOfficer sold ~$323K of MGNI shares in the open market
- Aug 18, 2025Insider · 8 peopleInsiders: 8 sales (~$2.3M)
- Aug 19, 2025Insider · 2 peopleInsiders: 2 sales (~$466K)
- Aug 25, 2025Insider · 2 peopleInsiders: 2 sales (~$404K)
- Aug 26, 2025InsiderDirector sold ~$505K of MGNI shares in the open market
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 David Buonasera, CHIEF TECHNOLOGY OFFICER
- SEC Form 4 at Magnite (MGNI)Sep 4, 2025
- SEC Form 4 at Magnite (MGNI)Aug 20, 2025
- SEC Form 4 at Magnite (MGNI)Jul 2, 2025
- SEC Form 4 at Magnite (MGNI)May 28, 2025
- SEC Form 4 at Magnite (MGNI)Dec 13, 2024
The full history of David Buonasera, CHIEF TECHNOLOGY OFFICER is on the profile page.
How this filing works
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.
This is one filing. OQRO holds the rest
Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.
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