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Michael Heinrich bought $3.5M of 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 +52.1% since the trade date, from $1.65 to $2.51 (Nov 12, 2026 close).
- Traded
- Jul 20, 2026
- Disclosed
- Jul 20, 2026
- Filing delay
- 0 days
- Price since
- +52.1%
- Role
- Executive Chairman
- Source
- SEC Form 4