Knopper Douglas S
10 Form 4 · free tier: 48h delay
Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).
For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.
Recent Form 4 trades
Open-market purchases and sales
MAGNITE, INC.
MGNI · Trade · Sep 17, 2026 · Filed · Sep 18, 2026
$981,216
37,337 sh
MAGNITE, INC.
MGNI · Trade · Aug 6, 2026 · Filed · Aug 7, 2026
$848,297
37,337 sh
MAGNITE, INC.
MGNI · Trade · Jun 16, 2026 · Filed · Jun 17, 2026
$675,800
37,337 sh
MAGNITE, INC.
MGNI · Trade · Jun 10, 2026 · Filed · Jun 10, 2026
$169,349
10,766 sh
MAGNITE, INC.
MGNI · Trade · Jul 9, 2021 · Filed · Jul 13, 2021 · filed 4 days after trade
$334,443
10,200 sh · 2 tx
MAGNITE, INC.
MGNI · Trade · Apr 5, 2021 · Filed · Apr 7, 2021 · filed 2 days after trade
$400,766
10,000 sh · 4 tx