Clark Mitchall G.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Clark Mitchall G.. 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 |
|---|---|---|---|---|---|---|
| ATRA | EVP & Chief R & QA Officer | Sale | 25,860 | $50.03 | $1,293,776 | May 18, 2018 |
| ATRA | EVP & Chief R & QA Officer | Sale | 300 | $46.30 | $13,890 | May 15, 2018 |
| ATRA | EVP & Chief R & QA Officer | Sale | 22,400 | $40.07 | $897,568 | Mar 29, 2018 |
| ATRA | EVP & Chief R & QA Officer | Sale | 29,980 | $38.23 | $1,146,135 | Mar 27, 2018 |
| ATRA | EVP & Chief R & QA Officer | Tax Withholding | 3,604 | $47.05 | $169,568 | Feb 15, 2018 |
| ATRA | EVP & Chief R & QA Officer | Tax Withholding | 3,704 | $41.70 | $154,457 | Feb 9, 2018 |
| ATRA | EVP & Chief R & QA Officer | Tax Withholding | 4,437 | $35.80 | $158,845 | Feb 6, 2018 |
| ATRA | EVP & Chief R & QA Officer | Sale | 3,290 | $14.20 | $46,718 | Nov 15, 2017 |
| ATRA | EVP & Chief R & QA Officer | Sale | 3,021 | $14.33 | $43,291 | Aug 15, 2017 |
| ATRA | EVP & Chief R & QA Officer | Option Exercise | 7,212 | — | — | May 16, 2017 |
| ATRA | EVP & Chief R & QA Officer | Option Exercise | 7,211 | — | — | Feb 16, 2017 |
| ATRA | EVP & Chief R & QA Officer | Award / Grant | 49,500 | — | — | Feb 6, 2017 |
| ATRA | Chief R & QA Officer | Sale | 2,995 | $19.53 | $58,492 | Nov 15, 2016 |
| ATRA | Chief R & QA Officer | Option Exercise | 7,211 | — | — | Aug 15, 2016 |
| ATRA | Chief R & QA Officer | Sale | 4,153 | $15.15 | $62,918 | May 16, 2016 |
| ATRA | Chief R & QA Officer | Option Exercise | 7,211 | — | — | Feb 16, 2016 |
| ATRA | Chief R & QA Officer | Award / Grant | 42,857 | — | — | Feb 9, 2016 |
| ATRA | Chief R & QA Officer | Sale | 4,153 | $31.67 | $131,526 | Nov 16, 2015 |
| ATRA | Chief R & QA Officer | Option Exercise | 9,615 | — | — | Aug 17, 2015 |
| ATRA | Chief R & QA Officer | Tax Withholding | 13,066 | $37.30 | $487,362 | May 15, 2015 |
| ATRA | Chief R & QA Officer | Award / Grant | 12,400 | — | — | Jan 16, 2015 |