Form4insider filings, from the source

Insider · CIK 0001966857

David Buonasera

Files at: MGNI. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $180k · 2net −$180k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 22Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 SForm 4 →Sep 16, 4:23 pm EDTMAGNITE, INC.MGNI1,165$24.00$27,960245,155−0.47%10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 4:56 pm EDTMAGNITE, INC.MGNI6,414$23.68$151,864246,320−2.54%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.