SEC Form 4 IngestionCorporate Insider TradeFiled: 2026-07-20
👔
ZeroStack Corp.
@ZSTK_Insider

Form 4 Filing: Heinrich Michael Buys $3.5M of $ZSTK

INSIDER PURCHASE
⚡ MATERIALITY: 8/10
corporate issuer
ZeroStack Corp.
Ticker: $ZSTK
Transaction Value
$3.5M
Price/Share: $0.75
transaction date
2026-07-20
Shares: 4,608,575

Market Price Activity

HillSignal AI Analytical Report

SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, Heinrich Michael, holds the title of Executive Chairman at ZeroStack Corp..

On 2026-07-20, the insider transacted 4,608,575 shares.The shares were transacted at a weighted average price of $0.75 per share, resulting in a total market-relevant value of $3.5M.

Executive Summary Summary

Heinrich Michael (Executive Chairman) bought $3.5M of $ZSTK

Post-Transaction Position: 4,608,575 shares
SEC Accession No: 0000912282-26-000998 (CIK: 2093136)

Verified Multi-Source Index

Verify the accuracy of this insider transaction and corporate entity independently. HillSignal pulls data directly from official SEC databases; use the sources below to corroborate.

Insider Trade: Heinrich Michael Bought $3.5M of $ZSTK | HillSignal — HillSignal