AlphaYouMH
Insider buying
Michael Heinrich bought $3.5M of ZeroStack Corp. (ZSTK) stock
Michael Heinrich, Executive Chairman of ZeroStack Corp. (ZSTK), bought 4,608,575 shares of ZSTK stock worth $3.5M, per an SEC Form 4 filed Jul 20, 2026.
It was an open-market purchase.
The trade was reported on Jul 20, 2026.
ZSTK has moved +161.8% since the trade date, from $1.65 to $4.32 (Sep 21, 2026 close).
- Traded
- Jul 20, 2026
- Disclosed
- Jul 20, 2026
- Filing delay
- 0 days
- Price since
- +161.8%
- Role
- Executive Chairman
- Source
- SEC Form 4
More ZSTK insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.