Tarnok Michael P.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Tarnok Michael P.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| DYAI | Option Exercise | 10,776 | — | — | Jun 20, 2025 | |
| DYAI | Option Exercise | 23,585 | — | — | Jan 2, 2025 | |
| DYAI | Option Exercise | 6,250 | $0.97 | $6,063 | Nov 22, 2024 | |
| DYAI | Option Exercise | 7,500 | $1.36 | $10,200 | May 21, 2024 | |
| DYAI | Option Exercise | 27,174 | — | — | Jan 3, 2024 | |
| 0001114220 | Award / Grant | 10,000 | — | — | Jun 17, 2015 | |
| 0001114220 | Purchase | 10,000 | $9.73 | $97,300 | May 6, 2015 | |
| 0001114220 | Award / Grant | 10,000 | — | — | Jun 24, 2014 | |
| 0001114220 | Award / Grant | 15,000 | — | — | Jun 19, 2013 | |
| 0001114220 | Award / Grant | 15,000 | — | — | Jun 22, 2012 | |
| 0001114220 | Award / Grant | 15,000 | — | — | Jun 20, 2012 | |
| 0001114220 | Purchase | 17,500 | $1.55 | $27,125 | Apr 5, 2012 | |
| 0001114220 | Purchase | 15,000 | $3.10 | $46,500 | Aug 10, 2011 | |
| 0001114220 | Award / Grant | 15,000 | — | — | Jun 16, 2010 | |
| 0001114220 | Award / Grant | 25,000 | — | — | Jun 16, 2009 | |
| 0001114220 | Purchase | 40,000 | $0.46 | $18,400 | May 26, 2009 | |
| 0001114220 | Interim CEO | Award / Grant | 100,000 | — | — | Apr 29, 2009 |
| 0001114220 | Award / Grant | 50,000 | — | — | Nov 14, 2008 | |
| 0001114220 | Purchase | 1,100 | $8.71 | $9,581 | Nov 19, 2007 |