Michael Heinrich, Executive Chairman at ZeroStack, bought ZSTK on Jul 20, 2026

Data as of Oct 16

▲ BUY$3.5M4,608,575 shares at $0.75Michael Heinrich Executive ChairmanZSTK ZeroStack Corp.

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Traded: Jul 20, 2026
Disclosed: Jul 20, 2026
Filed: The same day

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

ZSTKSimilar stocks (XLF — its sector index fund), rebased to ZSTK's price on the disclosure day

ZSTK since disclosure

+142.4%

Similar stocks (XLF) since disclosure

−0.9%

XLF — its sector index fund

Change in closing price from Jul 20, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

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