Berkowitz Mortimer III
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Berkowitz Mortimer III. 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 |
|---|---|---|---|---|---|---|
| ATEC | Sale | 62,500 | $15.97 | $998,125 | Sep 9, 2025 | |
| ATEC | Award / Grant | 15,131 | — | — | Jun 11, 2025 | |
| ATEC | Award / Grant | 16,747 | — | — | Jun 12, 2024 | |
| ATEC | Award / Grant | 9,908 | — | — | Jun 20, 2023 | |
| ATEC | Option Exercise | 107,937 | $3.50 | $377,780 | May 12, 2023 | |
| ATEC | Tax Withholding | 23,820 | $15.86 | $377,785 | Mar 7, 2023 | |
| ATEC | Purchase | 16,000 | $7.20 | $115,200 | Jun 9, 2022 | |
| ATEC | Option Exercise | 200,000 | $2.00 | $400,000 | Jun 7, 2022 | |
| ATEC | Other | 906,431 | — | — | Jun 15, 2018 | |
| ATEC | Option Exercise | 126,985 | — | — | May 17, 2018 | |
| ATEC | Option Exercise | 200,000 | — | — | Oct 27, 2017 | |
| ATEC | Sale | 100,000 | $1.51 | $151,000 | Nov 28, 2012 | |
| ATEC | Other | 1,344,179 | — | — | Mar 7, 2012 | |
| ATEC | Sale | 9,200,000 | $4.75 | $43,700,000 | Apr 21, 2010 | |
| ATEC | Award / Grant | 22,500,271 | — | — | Mar 26, 2010 | |
| ATEC | Purchase | 3,937,007 | $2.54 | $9,999,998 | Jun 4, 2009 | |
| ATEC | Purchase | 5,000 | $4.96 | $24,800 | Aug 8, 2008 | |
| ATEC | Chairman | Award / Grant | 12,500 | $4.19 | $52,375 | Nov 20, 2007 |
| ATEC | Chairman | Purchase | 2,750,000 | $3.45 | $9,487,500 | Sep 26, 2007 |
| ATEC | Purchase | 4,200 | $3.60 | $15,120 | Jun 14, 2007 | |
| ATEC | Purchase | 200 | $5.49 | $1,098 | Aug 11, 2006 | |
| ATEC | Other | 1,557,200 | — | — | Jun 7, 2006 | |
| ATEC | Other | 131,277 | — | — | Jun 7, 2006 |