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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| ATEC | Miles Patrick | CEO | Jan 05 '26 | Sale | 21.01 | 100,000 | 2,101,000 | 5,135,398 | Jan 06 12:00 AM |
| ATEC | Miles Patrick | CEO | Dec 01 '25 | Sale | 22.11 | 100,000 | 2,211,000 | 5,264,078 | Dec 03 12:00 AM |
| ATEC | Miles Patrick | CEO | Nov 03 '25 | Sale | 18.96 | 100,000 | 1,896,000 | 5,364,078 | Nov 05 12:00 AM |
| ATEC | Miles Patrick | CEO | Oct 01 '25 | Sale | 13.96 | 100,000 | 1,396,000 | 5,464,078 | Oct 03 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 02 '25 | Sale | 15.73 | 300,000 | 4,719,000 | 5,564,078 | Sep 04 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 07 '25 | Sale | 10.64 | 12,691 | 135,032 | 5,857,603 | Mar 07 12:00 AM |
| ATEC | Miles Patrick | CEO | Feb 26 '25 | Sale | 10.89 | 32,393 | 352,760 | 5,940,391 | Feb 26 12:00 AM |
| ATEC | Miles Patrick | CEO | Feb 05 '25 | Sale | 11.95 | 43,459 | 519,335 | 6,065,772 | Feb 07 12:00 AM |
| ATEC | Miles Patrick | CEO | Jan 30 '25 | Sale | 12.03 | 43,313 | 521,055 | 6,109,231 | Jan 31 12:00 AM |
| ATEC | Miles Patrick | CEO | Jan 29 '25 | Sale | 12.03 | 50,000 | 601,500 | 6,152,544 | Jan 31 12:00 AM |
| ATEC | Miles Patrick | CEO | Jan 21 '25 | Sale | 12.00 | 6,687 | 80,244 | 5,501,715 | Jan 23 12:00 AM |
| ATEC | Miles Patrick | CEO | Nov 21 '24 | Sale | 10.09 | 50,000 | 504,500 | 5,508,402 | Nov 22 12:00 AM |
| ATEC | Miles Patrick | CEO | Nov 20 '24 | Sale | 10.03 | 50,000 | 501,500 | 5,558,402 | Nov 22 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 27 '23 | Sale | 13.00 | 59,375 | 771,875 | 5,452,736 | Sep 27 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 26 '23 | Sale | 12.46 | 60,000 | 747,600 | 5,512,111 | Sep 27 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 25 '23 | Sale | 12.51 | 60,000 | 750,600 | 5,572,111 | Sep 27 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 20 '23 | Sale | 13.35 | 60,000 | 801,000 | 5,632,111 | Sep 20 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 19 '23 | Sale | 13.42 | 60,000 | 805,200 | 5,692,111 | Sep 20 12:00 AM |
| ATEC | Miles Patrick | CEO | Sep 18 '23 | Sale | 13.48 | 60,000 | 808,800 | 5,752,111 | Sep 20 12:00 AM |
| ATEC | Miles Patrick | CEO | May 10 '23 | Option Exercise | 3.50 | 539,684 | 1,888,894 | 5,872,606 | May 12 12:00 AM |
| ATEC | Miles Patrick | CEO | Apr 04 '23 | Sale | 15.86 | 353 | 5,599 | 5,607,764 | Apr 06 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 13 '23 | Sale | 14.51 | 20,000 | 290,200 | 5,608,117 | Mar 13 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 10 '23 | Sale | 14.72 | 60,000 | 883,200 | 5,628,117 | Mar 13 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 09 '23 | Sale | 15.83 | 60,000 | 949,800 | 5,688,117 | Mar 13 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 08 '23 | Sale | 16013.00 | 60,000 | 960,780,000 | 5,748,117 | Mar 08 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 07 '23 | Sale | 15.87 | 60,000 | 952,200 | 5,808,117 | Mar 08 12:00 AM |
| ATEC | Miles Patrick | CEO | Mar 06 '23 | Sale | 15.82 | 60,000 | 949,200 | 5,868,117 | Mar 08 12:00 AM |
| ATEC | Miles Patrick | director: CEO | Jan 24 '23 | Sale | 13.18 | 60,000 | 790,800 | 5,301,633 | Jan 24 12:00 AM |
| ATEC | Miles Patrick | director: CEO | Jan 23 '23 | Sale | 13.17 | 60,000 | 790,200 | 5,361,633 | Jan 24 12:00 AM |
| ATEC | Miles Patrick | director: CEO | Jan 20 '23 | Sale | 13.12 | 60,000 | 787,200 | 5,421,633 | Jan 24 12:00 AM |
| ATEC | Miles Patrick | director: CEO | Jan 19 '23 | Sale | 13.33 | 60,000 | 799,800 | 5,481,633 | Jan 19 12:00 AM |
| ATEC | Miles Patrick | director: CEO | Jan 18 '23 | Sale | 13.30 | 60,000 | 798,000 | 5,541,633 | Jan 19 12:00 AM |
| ATEC | Miles Patrick | director: CEO | Jan 17 '23 | Sale | 13.05 | 60,000 | 783,000 | 5,601,633 | Jan 19 12:00 AM |
| ATEC | Miles Patrick | CEO | May 20 '22 | Sale | 7.85 | 100,000 | 785,000 | 5,658,634 | May 20 12:00 AM |
| ATEC | Miles Patrick | CEO | May 18 '22 | Sale | 8.27 | 200,000 | 1,653,000 | 5,758,634 | May 20 12:00 AM |