🕵️ Zerostack Corp. ($ZSTK)
SEC insider & ownership activity, last 12 months · CIK 1790169 · every row links its SEC filing
Over the last 12 months insiders bought $153.5M with no open-market selling against it. Reis-Faria Daniel bought $150.0M in discretionary trades (Oct). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $153.5M (2 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Reis-Faria Daniel | 1 | $150.0M | 0 | – | Oct 9, 2025 |
| Heinrich Michael | 1 | $3.5M | 0 | – | Jul 20, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Reis-Faria Daniel | 37.5% | 13D | Jul 20, 2026 | filing ↗ | |
| Heinrich Michael | 30.2% | 13D | Jul 20, 2026 | filing ↗ | |
| ZERO Gravity LABS Inc. | 26.4% | 13D | Jul 20, 2026 | filing ↗ | |
| Starke Clifford | 17.1% | 13D | May 9, 2025 | filing ↗ | |
| Empery Asset Management, LP | 5.4% | 13G | Jan 21, 2025 | filing ↗ | |
| Ryan M. Lane | 5.4% | 13G | Jan 21, 2025 | filing ↗ | |
| Martin D. Hoe | 5.4% | 13G | Jan 21, 2025 | filing ↗ | |
| Vaiman Dany | exited | 13D | Jul 20, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Acquisition or disposition (2.01) | Jul 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 20, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jul 20, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 31, 2026 | filing ↗ |
| Agreement terminated (1.02) | Mar 31, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Mar 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 31, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jan 29, 2026 | filing ↗ |
| Other events (8.01) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 5, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 29, 2025 | filing ↗ |
| Agreement terminated (1.02) | Dec 29, 2025 | filing ↗ |
| Unregistered equity sale (3.02) | Dec 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 29, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 19, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 19, 2025 | filing ↗ |
| Shareholder vote (5.07) | Dec 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 19, 2025 | filing ↗ |
| Material agreement (1.01) | Nov 28, 2025 | filing ↗ |
| Unregistered equity sale (3.02) | Nov 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 28, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 9, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 9, 2025 | filing ↗ |
| Other events (8.01) | Sep 29, 2025 | filing ↗ |