Form4insider filings, from the source

Insider holders · CIK 0001790169

ZeroStack Corp. · ZSTK

Every insider with a reported Table I holding at this company, ranked by their last-reported share count. A balance is only as fresh as its filing — the report date sits next to every row on purpose. ← Back to activity

InsiderDirect sharesIndirect sharesTotal reportedLast report (ET)From
Daniel Reis-FariaCEO5,954,743—5,954,743Jul 20, 2026 · 6:26 pm EDTForm 4
Michael HeinrichExecutive Chairman—4,608,5754,608,575Jul 20, 2026 · 6:31 pm EDTForm 4
Rudy RongPresident0—0Aug 21, 2026 · 7:51 pm EDTForm 4

Balances come from each insider’s most recent filing that reports a Table I holding; an insider who left the company years ago still appears with their last-known figure and its date. Indirect totals collapse multiple vehicles (trusts, LLCs) into one number — open the filing for the breakdown. Shares as filed, not split-adjusted.