ZSTK ZeroStack Corp.
Nasdaq · SEC CIK 1790169 · EDGAR
- Bought, last 12 months
- $3.48M 1 purchases by 1 insiders
- Sold, last 12 months
- $7,570 1 sales by 1 insiders
- Filings on record
- 43 since 2023-03-21, latest 2026-08-21 19:51
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Heinrich Michael | Executive COB, Dir | $3.48M | — |
| Rong Rudy | Pres | — | $7,570 |
| Reis-Faria Daniel | CEO, Dir | — | — |
Transactions 23
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-21 19:51 | 2026-08-19 | ZSTK | Rong Rudy | Pres | S - Sale | $7.57 | -1,000 | 0 | -100% | -$7,570 | |
| DI | 2026-07-20 18:31 | 2026-07-20 | ZSTK | Heinrich Michael | Executive COB, Dir | P - Purchase | $0.7549 | +4.61M | 4.61M | New | +$3.48M |
| D | 2026-07-20 18:26 | 2026-07-20 | ZSTK | Reis-Faria Daniel | CEO, Dir | X - OptEx | $0.0001 | +5.95M | 5.95M | New | +$595.47 |
| 2024-12-17 | 2024-12-15 | ZSTK | WOO EDWARD | Dir | A - Grant | — | +50.0K | 134.7K | +59% | — | |
| 2024-12-17 | 2024-12-15 | ZSTK | Starke Clifford | CEO, Dir | A - Grant | — | +900.0K | 906.8K | +13,146% | — | |
| 2024-12-17 | 2024-12-15 | ZSTK | DORF SAMMY | Executive COB, Dir | A - Grant | — | +250.0K | 250.0K | New | — | |
| 2024-09-17 | 2024-09-13 | ZSTK | Starke Clifford | CEO, Dir | P - Purchase | $0.95 | +6,795 | 6,846 | +13,324% | +$6,455 | |
| M | 2024-09-11 | 2024-09-06 | ZSTK | Wolkin Harold | Dir | P - Purchase | $0.97 | +25.0K | 10.0K | New | +$24.2K |
| D | 2024-09-06 | 2024-09-05 | ZSTK | Starke Clifford | CEO, Dir | P - Purchase | $0.95 | +51 | 474.0K | +0.0% | +$48.45 |
| I | 2024-04-09 | 2024-04-08 | ZSTK | Starke Clifford | CEO, Dir | P - Purchase | $1.90 | +526.3K | 565.7K | +1,336% | +$1000.0K |
| 2023-11-15 | 2023-11-15 | ZSTK | SOLOMON THOMAS | Dir | A - Grant | — | +35.8K | 35.8K | New | — | |
| 2023-11-15 | 2023-11-15 | ZSTK | Starke Clifford | CEO, Dir | A - Grant | — | +327.9K | 474.0K | +224% | — | |
| 2023-11-15 | 2023-11-15 | ZSTK | Vaiman Dany | CFO | A - Grant | — | +149.0K | 170.8K | +683% | — | |
| 2023-11-15 | 2023-11-15 | ZSTK | Taylor Kevin | COB, Dir | A - Grant | — | +124.2K | 124.2K | New | — | |
| 2023-11-15 | 2023-11-15 | ZSTK | WOO EDWARD | Dir | A - Grant | — | +74.5K | 84.7K | +732% | — | |
| 2023-06-27 | 2023-06-25 | ZSTK | Rakine Hussein | Dir | D - Sale to Iss | $0.00 | -82.1K | 2,500 | -97% | $0 | |
| 2023-05-19 | 2023-05-18 | ZSTK | Cohen, Matthew S. | GC | F - Tax | $0.24 | -90.1K | 329.6K | -21% | -$21.6K | |
| 2023-04-26 | 2023-04-16 | ZSTK | Rakine Hussein | CEO, Dir | A - Grant | $0.00 | +1.20M | 1.69M | +244% | $0 | |
| 2023-03-21 | 2023-03-17 | ZSTK | Richardson Beverley | Dir | A - Grant | $0.00 | +150.0K | 150.0K | New | $0 | |
| 2023-03-21 | 2023-03-17 | ZSTK | ROA JUAN CARLOS GOMEZ | Dir | A - Grant | $0.00 | +150.0K | 2.04M | +8% | $0 | |
| 2023-03-21 | 2023-03-17 | ZSTK | Konigsberg Brandon | Dir | A - Grant | $0.00 | +100.0K | 100.0K | New | $0 | |
| 2023-03-21 | 2023-03-17 | ZSTK | MASTRONARDI MARC | Dir | A - Grant | $0.00 | +150.0K | 160.0K | +1,500% | $0 | |
| 2023-03-21 | 2023-03-17 | ZSTK | LESLIE JOHN TIMOTHY | Dir | A - Grant | $0.00 | +125.0K | 138.6K | +921% | $0 |
Purchase Sale Sale after option exercise All abbreviations