Sponsel David
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Sponsel David. 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 | EVP, SALES | Sale | 21,106 | $20.79 | $438,794 | Dec 10, 2025 |
| ATEC | EVP, SALES | Sale | 988 | $21.45 | $21,193 | Dec 8, 2025 |
| ATEC | EVP, SALES | Sale | 70,000 | $16.18 | $1,132,600 | Oct 24, 2025 |
| ATEC | EVP, SALES | Sale | 2,555 | $15.34 | $39,194 | Sep 18, 2025 |
| ATEC | EVP, SALES | Tax Withholding | 982 | $15.34 | $15,064 | Aug 6, 2025 |
| ATEC | EVP, SALES | Award / Grant | 3,866 | — | — | Apr 1, 2025 |
| ATEC | EVP, SALES | Sale | 33,732 | $10.83 | $365,318 | Mar 6, 2025 |
| ATEC | EVP, SALES | Sale | 19,419 | $10.41 | $202,152 | Feb 24, 2025 |
| ATEC | EVP, SALES | Sale | 36,256 | $11.42 | $414,044 | Feb 3, 2025 |
| ATEC | EVP, SALES | Award / Grant | 114,322 | — | — | Jan 29, 2025 |
| ATEC | EVP, SALES | Sale | 238 | $10.00 | $2,380 | Jan 13, 2025 |
| ATEC | EVP, SALES | Sale | 62,018 | $9.69 | $600,954 | Dec 11, 2024 |
| ATEC | EVP, SALES | Sale | 32,365 | $15.19 | $491,624 | Feb 27, 2024 |
| ATEC | EVP, SALES | Award / Grant | 35,063 | — | — | Feb 21, 2024 |
| ATEC | EVP, SALES | Sale | 2,500 | $16.16 | $40,400 | Feb 14, 2024 |
| ATEC | EVP, SALES | Award / Grant | 121,258 | — | — | Feb 2, 2024 |
| ATEC | EVP, SALES | Sale | 2,500 | $15.00 | $37,500 | Jan 16, 2024 |
| ATEC | EVP, SALES | Sale | 2,500 | $15.00 | $37,500 | Dec 21, 2023 |
| ATEC | EVP, SALES | Sale | 55,577 | $16.17 | $898,680 | Jun 15, 2023 |
| ATEC | EVP, SALES | Tax Withholding | 68,174 | $15.59 | $1,062,833 | May 15, 2023 |
| ATEC | EVP, SALES | Tax Withholding | 35,590 | $16.15 | $574,779 | Apr 26, 2023 |
| ATEC | EVP, SALES | Sale | 16,823 | $15.82 | $266,140 | Mar 6, 2023 |
| ATEC | EVP, SALES | Award / Grant | 30,314 | — | — | Feb 1, 2023 |
| ATEC | EVP, SALES | Sale | 10,000 | $11.99 | $119,900 | Jan 9, 2023 |
| ATEC | EVP, SALES | Sale | 10,000 | $9.88 | $98,800 | Dec 5, 2022 |
| ATEC | EVP, SALES | Sale | 10,000 | $9.25 | $92,500 | Nov 7, 2022 |
| ATEC | EVP, SALES | Tax Withholding | 620 | $8.91 | $5,524 | Aug 11, 2022 |
| ATEC | EVP, Sales | Tax Withholding | 3,099 | $7.46 | $23,119 | Jun 3, 2022 |
| ATEC | EVP, Sales | Tax Withholding | 34,087 | $8.26 | $281,559 | May 17, 2022 |
| ATEC | EVP, Sales | Tax Withholding | 33,517 | $11.54 | $386,786 | Apr 28, 2022 |
| ATEC | EVP, Sales | Tax Withholding | 10,582 | $10.94 | $115,767 | Mar 18, 2022 |
| ATEC | EVP, Sales | Award / Grant | 50,000 | — | — | Feb 24, 2022 |
| ATEC | EVP, Sales | Sale | 9,847 | $11.56 | $113,831 | Nov 12, 2021 |
| ATEC | EVP, Sales | Tax Withholding | 620 | $15.23 | $9,443 | Aug 5, 2021 |
| ATEC | EVP, Sales | Tax Withholding | 3,099 | $15.32 | $47,477 | Jul 1, 2021 |
| ATEC | EVP, Sales | Sale | 10,000 | $14.78 | $147,800 | Jun 16, 2021 |
| ATEC | EVP, Sales | Tax Withholding | 34,087 | $14.81 | $504,828 | May 17, 2021 |
| ATEC | EVP, Sales | Option Exercise | 12,813 | $3.17 | $40,617 | May 3, 2021 |
| ATEC | EVP, Sales | Sale | 14,572 | $16.63 | $242,332 | Apr 26, 2021 |
| ATEC | EVP, Sales | Award / Grant | 40,000 | — | — | Feb 18, 2021 |
| ATEC | EVP, Sales | Sale | 89,999 | $9.47 | $852,291 | Oct 12, 2020 |
| ATEC | EVP, Sales | Award / Grant | 216,422 | — | — | Apr 22, 2020 |
| ATEC | EVP, Sales | Award / Grant | 2,398 | $3.93 | $9,424 | Apr 6, 2020 |
| ATEC | EVP, Sales | Purchase | 11,000 | $4.51 | $49,610 | Mar 11, 2020 |
| ATEC | EVP, Sales | Award / Grant | 68,750 | — | — | May 13, 2019 |