Skip to main content
ZSTKSector not reported

ZeroStack Corp. (ZSTK) Insider Trading

In the last 90 days, 1 ZeroStack Corp. (ZSTK) insider reported no open-market purchases and 1 sale totaling $7,570. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers
0
90-day purchase value
$0.00
Corporate buyers
0
Latest transaction
Aug 19, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
DateInsider nameRoleTypeSharesPriceTotal value
Aug 19, 2026Rudy RongPresidentSale1,000$7.57$7,570
Jul 20, 2026Michael HeinrichExecutive ChairmanOpen Market Purchase4,608,575$0.75$3,479,013

Common questions

ZSTK insider trading FAQ

Are ZSTK insiders buying or selling?
Over the last 90 days, ZSTK insiders were net sellers, reporting $0.00 of open-market purchases and $7,570 of sales.
When was the last ZSTK insider purchase?
No open-market insider purchase of ZeroStack Corp. stock was reported in the last 90 days.
Where does ZSTK insider trading data come from?
Watch Insiders reads the SEC Form 4 filings that ZeroStack Corp. officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.