AlphaYouDS
Insider selling
Douglas S Knopper sold $981K of Magnite, Inc. (MGNI) stock
Douglas S Knopper, Dir of Magnite, Inc. (MGNI), sold 37,337 shares of MGNI stock worth $981K, per an SEC Form 4 filed Sep 18, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Sep 17, 2026, 1 day before it was made public.
MGNI has moved -3.2% since the trade date, from $25.63 to $24.80 (Sep 22, 2026 close).
- Traded
- Sep 17, 2026
- Disclosed
- Sep 18, 2026
- Filing delay
- 1 day
- Price since
- -3.2%
- 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.