Company · CIK 0001790169 · SIC 5122 — Wholesale-Drugs, Proprietaries & Druggists' Sundries · Nasdaq
ZeroStack Corp. · ZSTK
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 SForm 4 → | Aug 21, 7:51 pm EDT | Rudy RongPresident | 1,000 | $7.57 | $7,570 | 0 | −100% | |
| Jul 20, 2026 PForm 4 → | Jul 20, 6:31 pm EDT | Michael HeinrichExecutive Chairman, Director | 4,608,575 | $0.7549 | $3,479,013 | 4,608,575 | — | |
| Jul 20, 2026 XForm 4 → | Jul 20, 6:26 pm EDT | Daniel Reis-FariaCEO, Director | 5,954,743 | $0.0001 | $595 | 5,954,743 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 20, 2026 AForm 4 → | Jul 20, 6:31 pm EDT | Michael HeinrichExecutive Chairman, Director | 500,000 | — | — | 500,000 | — | |
| Jul 20, 2026 AXForm 4 → | Jul 20, 6:26 pm EDT | Daniel Reis-FariaCEO, Director | 6,454,743 | $25.19 | $149,999,381 | 0 | — | |
| Jul 20, 2026 AForm 4 → | Jul 20, 6:21 pm EDT | Dany VaimanCFO | 250,000 | — | — | 250,000 | — |