AlphaYouMM
Insider selling
Matthew M. Kim sold $9K of Southern Co (SO) stock
Matthew M. Kim, Comptroller of Southern Co (SO), sold 100 shares of SO stock worth $9K, per an SEC Form 4 filed Aug 4, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 3, 2026, 1 day before it was made public.
SO has moved -8.1% since the trade date, from $92.94 to $85.44 (Sep 21, 2026 close).
- Traded
- Aug 3, 2026
- Disclosed
- Aug 4, 2026
- Filing delay
- 1 day
- Price since
- -8.1%
- Role
- Comptroller
- Source
- SEC Form 4
More SO insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.