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Insider selling
John James Sullivan sold $800K of Mesa Laboratories Inc /Co/ (MLAB) stock
John James Sullivan, Dir of Mesa Laboratories Inc /Co/ (MLAB), sold 7,093 shares of MLAB stock worth $800K, per an SEC Form 4 filed Aug 17, 2026.
It was an open-market sale.
The trade happened on Aug 13, 2026, 4 days before it was made public.
MLAB has moved +18.9% since the trade date, from $113.20 to $134.63 (Sep 22, 2026 close).
- Traded
- Aug 13, 2026
- Disclosed
- Aug 17, 2026
- Filing delay
- 4 days
- Price since
- +18.9%
- Role
- Dir
- Source
- SEC Form 4
More MLAB insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.