Kuyper Dirk
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Kuyper Dirk. 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 |
|---|---|---|---|---|---|---|
| CNMD | Sale | 2,549 | $91.17 | $232,392 | Aug 2, 2019 | |
| CNMD | Sale | 8,970 | $83.00 | $744,510 | Jun 14, 2019 | |
| CNMD | Option Exercise | 1,629 | — | — | May 31, 2019 | |
| CNMD | Tax Withholding | 482 | $82.38 | $39,707 | Apr 8, 2019 | |
| CNMD | Option Exercise | 2,167 | — | — | Jun 1, 2018 | |
| CNMD | Sale | 1,000 | $52.24 | $52,240 | Jun 13, 2017 | |
| CNMD | Option Exercise | 2,739 | — | — | Jun 1, 2017 | |
| CNMD | Option Exercise | 3,000 | — | — | Jun 1, 2016 | |
| CNMD | Option Exercise | 3,000 | — | — | Jun 1, 2015 | |
| CNMD | Sale | 200 | $42.86 | $8,572 | Dec 1, 2014 | |
| CNMD | Option Exercise | 3,000 | — | — | Jun 1, 2014 | |
| CNMD | Purchase | 1,000 | $31.63 | $31,630 | Aug 15, 2013 | |
| ATEC | President and CEO | Purchase | 29,728 | $2.68 | $79,671 | Aug 31, 2011 |
| ATEC | President and CEO | Tax Withholding | 15,818 | — | — | Jul 5, 2011 |
| ATEC | President and CEO | Tax Withholding | 15,817 | — | — | Apr 4, 2011 |
| ATEC | President and CEO | Tax Withholding | 17,856 | — | — | Jan 3, 2011 |
| ATEC | President and CEO | Tax Withholding | 15,817 | — | — | Oct 2, 2010 |
| ATEC | President and CEO | Purchase | 23,000 | $2.16 | $49,680 | Aug 12, 2010 |
| ATEC | President and CEO | Award / Grant | 23,000 | $2.16 | $49,680 | Aug 12, 2010 |
| ATEC | President and CEO | Tax Withholding | 15,818 | — | — | Apr 2, 2010 |
| ATEC | President and CEO | Tax Withholding | 17,266 | — | — | Jan 2, 2010 |
| ATEC | President and CEO | Tax Withholding | 15,416 | — | — | Oct 2, 2009 |
| ATEC | President and CEO | Tax Withholding | 15,416 | — | — | Jul 2, 2009 |
| ATEC | President and CEO | Tax Withholding | 15,416 | — | — | Apr 2, 2009 |
| ATEC | President and CEO | Tax Withholding | 18,068 | — | — | Jan 2, 2009 |
| ATEC | President and CEO | Other | 1,334 | $2.33 | $3,108 | Nov 15, 2008 |
| ATEC | President and CEO | Tax Withholding | 19,729 | — | — | Oct 2, 2008 |
| ATEC | President and CEO | Tax Withholding | 15,445 | — | — | Jul 2, 2008 |
| ATEC | President and CEO | Purchase | 2,800 | $4.54 | $12,712 | Jun 5, 2008 |
| ATEC | President and CEO | Sale | 17,250 | $4.98 | $85,905 | Mar 31, 2008 |
| ATEC | President and CEO | Sale | 17,250 | $4.91 | $84,698 | Jan 2, 2008 |
| ATEC | President and CEO | Purchase | 200 | $4.58 | $916 | Nov 26, 2007 |
| ATEC | President and CEO | Purchase | 1,010 | $3.85 | $3,889 | Nov 20, 2007 |
| ATEC | President and CEO | Sale | 17,250 | $3.52 | $60,720 | Oct 2, 2007 |
| ATEC | President and CEO | Purchase | 10,000 | $3.45 | $34,500 | Sep 20, 2007 |
| ATEC | President and CEO | Purchase | 5,000 | $3.64 | $18,200 | Sep 13, 2007 |
| ATEC | President and CEO | Purchase | 690,000 | — | — | Jul 2, 2007 |
| ATEC | President and CEO | Award / Grant | 690,000 | — | — | Jul 2, 2007 |