ZeroStack Corp. also files under ZSTK; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Rong Rudy | President | Sell(S) | 1K | $7.57 | $8K |
| Jul 20, 2026 | Reis-Faria Daniel | CEO, Director | Grant(A) | 500K | — | $0 |
| Jul 20, 2026 | Reis-Faria Daniel | CEO, Director | Option exercise(X) | 6.0M | $0.00 | $595 |
| Jul 20, 2026 | Vaiman Dany | CFO | Grant(A) | 250K | — | $0 |
| Jul 20, 2026 | Reis-Faria Daniel | CEO, Director | Option exercise(X) | 6.0M | $25.19as filed | — |
| Jul 20, 2026 | Heinrich Michael | Executive Chairman, Director | Grant(A) | 500K | — | $0 |
| Jul 20, 2026 | Heinrich Michael | Executive Chairman, Director | Buy(P) | 4.6M | $0.75 | $3.5M |
| May 5, 2026 | Zeifman Laurence | Director | Grant(A) | 28K | — | $0 |
| May 5, 2026 | Leventhal Manfred | Director | Grant(A) | 35K | — | $0 |
| May 5, 2026 | Woo Edward | Director | Grant(A) | 35K | — | $0 |
| Mar 31, 2026 | Heinrich Michael | Executive Chairman, Director | Other(J) | 4.9M | — | — |
| Dec 19, 2025 | Vaiman Dany | CFO | Grant(A) | 236K | — | $0 |
| Dec 19, 2025 | Heinrich Michael | Executive Chairman, Director | Grant(A) | 471K | — | $0 |
| Dec 19, 2025 | Reis-Faria Daniel | CEO, Director | Grant(A) | 471K | — | $0 |
| Oct 23, 2025 | Heinrich Michael | Executive Chairman, Director | Option exercise(X) | 4.9M | — | — |
| Oct 22, 2025 | Brown Michael John | Director | Grant(A) | 7K | — | $0 |
| Oct 9, 2025 | Reis-Faria Daniel | CEO, Director | Buy(P) | 6.0M | $25.19 | $150.0M |
| Jun 30, 2025 | Starke Clifford | CEO, Director | Grant(A) | 1.0M | — | — |
| Jun 30, 2025 | Vaiman Dany | CFO | Grant(A) | 343K | — | — |
| Jun 30, 2025 | Vaiman Dany | CFO | Grant(A) | 373K | — | — |
| Jun 30, 2025 | Vaiman Dany | CFO | Disposed to issuer(D) | 373K | — | — |
| Jun 30, 2025 | Vaiman Dany | CFO | Grant(A) | 192K | — | — |
| Jun 30, 2025 | Vaiman Dany | CFO | Disposed to issuer(D) | 192K | — | — |
| Jun 30, 2025 | Vaiman Dany | CFO | Disposed to issuer(D) | 343K | — | — |
| Jun 30, 2025 | Starke Clifford | CEO, Director | Grant(A) | 575K | — | — |
| Jun 30, 2025 | Starke Clifford | CEO, Director | Disposed to issuer(D) | 575K | — | — |
| Jun 30, 2025 | Starke Clifford | CEO, Director | Disposed to issuer(D) | 1.0M | — | — |
| Jun 30, 2025 | Leventhal Manfred | Director | Disposed to issuer(D) | 5K | — | — |
| Jun 30, 2025 | Leventhal Manfred | Director | Grant(A) | 5K | — | — |
| Jun 30, 2025 | Wolkin Harold | Director | Grant(A) | 30K | — | — |
| Jun 30, 2025 | Wolkin Harold | Director | Disposed to issuer(D) | 30K | — | — |
| Dec 15, 2024 | Starke Clifford | CEO, Director | Grant(A) | 900K | — | — |
| Dec 15, 2024 | Wolkin Harold | Director | Grant(A) | 30K | — | $0 |
| Dec 15, 2024 | Woo Edward | Director | Grant(A) | 50K | — | — |
| Dec 15, 2024 | Vaiman Dany | CFO | Grant(A) | 373K | — | $0 |
| Dec 15, 2024 | Dorf Sammy | Executive Chairman, Director | Grant(A) | 250K | — | — |
| Dec 15, 2024 | Leventhal Manfred | Director | Grant(A) | 5K | — | $0 |
| Sep 13, 2024 | Starke Clifford | CEO, Director | Buy(P) | 7K | $0.95 | $6K |
| Sep 6, 2024 | Wolkin Harold | Director | Buy(P) | 5K | $0.96 | $5K |
| Sep 6, 2024 | Wolkin Harold | Director | Buy(P) | 15K | $0.98 | $15K |
| Sep 6, 2024 | Wolkin Harold | Director | Buy(P) | 5K | $0.95 | $5K |
| Sep 5, 2024 | Starke Clifford | CEO, Director | Buy(P) | 51 | $0.95 | $48 |
| Aug 14, 2024 | Vaiman Dany | CFO | Grant(A) | 192K | — | $0 |
| Aug 14, 2024 | Starke Clifford | CEO, Director | Grant(A) | 575K | — | $0 |
| Apr 8, 2024 | Starke Clifford | CEO, Director | Buy(P) | 526K | $1.90 | $1000K |
| Dec 15, 2023 | Vaiman Dany | CFO | Grant(A) | 343K | — | $0 |
| Dec 15, 2023 | Starke Clifford | CEO, Director | Grant(A) | 1.0M | — | $0 |
| Nov 15, 2023 | Taylor Kevin | Chairman, Director | Grant(A) | 124K | — | — |
| Nov 15, 2023 | Woo Edward | Director | Grant(A) | 75K | — | — |
| Nov 15, 2023 | Vaiman Dany | CFO | Grant(A) | 149K | — | — |
| Nov 15, 2023 | Solomon Thomas | Director | Grant(A) | 36K | — | — |
| Nov 15, 2023 | Starke Clifford | CEO, Director | Grant(A) | 328K | — | — |
| Jun 25, 2023 | Rakine Hussein | Director | Disposed to issuer(D) | 82K | — | $0 |
| May 18, 2023 | Cohen, Matthew S. | General Counsel | Tax withholding(F) | 90K | $0.24 | $22K |
| Apr 16, 2023 | Rakine Hussein | Chief Executive Officer, Director | Grant(A) | 1.2M | — | $0 |
| Mar 17, 2023 | Konigsberg Brandon | Director | Grant(A) | 100K | — | $0 |
| Mar 17, 2023 | Richardson Beverley | Director | Grant(A) | 150K | — | $0 |
| Mar 17, 2023 | Mastronardi Marc | Director | Grant(A) | 150K | — | $0 |
| Mar 17, 2023 | Roa Juan Carlos Gomez | Director | Grant(A) | 150K | — | $0 |
| Mar 17, 2023 | Leslie John Timothy | Director | Grant(A) | 125K | — | $0 |
| Mar 17, 2023 | Woo Edward | Director | Grant(A) | 100K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: ZeroStack Corp., SEC CIK 0001790169. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under FLGC and shows every filing by that issuer (also filed as ZSTK).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-05. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for FLGC