AlphaYouDS
Insider selling
Douglas S Knopper sold $848K of Magnite, Inc. (MGNI) stock
Douglas S Knopper, Dir of Magnite, Inc. (MGNI), sold 37,337 shares of MGNI stock worth $848K, per an SEC Form 4 filed Aug 7, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 6, 2026, 1 day before it was made public.
MGNI has moved +4.1% since the trade date, from $24.32 to $25.31 (Sep 21, 2026 close).
- Traded
- Aug 6, 2026
- Disclosed
- Aug 7, 2026
- Filing delay
- 1 day
- Price since
- +4.1%
- Role
- Dir
- Source
- SEC Form 4
More MGNI insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.