| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Mar 13 '26 | Sale | 12.30 | 260,535 | 3,204,581 | 815,704 | Mar 17 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Dec 16 '25 | Sale | 19.64 | 19,900 | 390,836 | 641,432 | Dec 18 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Dec 05 '25 | Sale | 21.47 | 10,875 | 233,486 | 661,332 | Dec 09 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Nov 20 '25 | Option Exercise | 3.63 | 50,000 | 181,500 | 697,207 | Nov 21 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Nov 20 '25 | Sale | 19.80 | 25,000 | 495,000 | 672,207 | Nov 21 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Oct 14 '25 | Option Exercise | 3.35 | 27,000 | 90,450 | 672,207 | Oct 15 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Aug 21 '25 | Sale | 16.01 | 6,323 | 101,231 | 658,707 | Aug 21 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Aug 13 '25 | Sale | 16.00 | 9,302 | 148,832 | 665,030 | Aug 15 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Aug 05 '25 | Sale | 15.00 | 16,666 | 249,990 | 674,332 | Aug 05 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Aug 04 '25 | Sale | 14.00 | 17,857 | 249,998 | 690,998 | Aug 05 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Aug 01 '25 | Sale | 12.53 | 36,081 | 452,095 | 708,855 | Aug 05 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Jul 10 '25 | Sale | 12.00 | 3,982 | 47,784 | 744,936 | Jul 14 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Jun 13 '25 | Sale | 11.07 | 22,727 | 251,588 | 748,918 | Jun 17 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | May 19 '25 | Sale | 13.00 | 55,375 | 719,875 | 771,645 | May 21 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | May 05 '25 | Sale | 12.12 | 12,000 | 145,440 | 826,251 | May 06 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Mar 10 '25 | Sale | 9.72 | 27,994 | 272,102 | 816,500 | Mar 12 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Feb 27 '25 | Sale | 12.03 | 23,183 | 278,891 | 844,494 | Feb 28 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Feb 06 '25 | Sale | 11.49 | 27,453 | 315,435 | 867,677 | Feb 07 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Aug 06 '24 | Option Exercise | 2.80 | 143,000 | 399,850 | 580,861 | Aug 08 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Feb 27 '24 | Sale | 15.19 | 31,075 | 472,029 | 507,165 | Feb 29 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Feb 21 '24 | Sale | 15.34 | 11,963 | 183,512 | 538,240 | Feb 22 12:00 AM |
| ATEC | Lish Scott | CHIEF OPERATING OFFICER | Feb 02 '24 | Sale | 16.47 | 25,210 | 415,209 | 518,457 | Feb 05 12:00 AM |
| ATEC | Lish Scott | SVP, DEVELOPMENT | Mar 01 '23 | Option Exercise | 3.50 | 26,986 | 94,452 | 444,015 | Mar 01 12:00 AM |
| ATEC | Lish Scott | SVP, DEVELOPMENT | Feb 27 '23 | Sale | 14.76 | 25,372 | 374,491 | 430,522 | Mar 01 12:00 AM |
| ATEC | Lish Scott | SVP, DEVELOPMENT | Feb 23 '23 | Sale | 14.37 | 12,500 | 179,625 | 453,034 | Feb 23 12:00 AM |
| ATEC | Lish Scott | SVP, DEVELOPMENT | Feb 21 '23 | Sale | 14.02 | 9,570 | 134,171 | 465,534 | Feb 23 12:00 AM |
| ATEC | Lish Scott | SVP, DEVELOPMENT | Mar 01 '22 | Sale | 10.94 | 5,100 | 55,794 | 323,342 | Mar 03 12:00 AM |
| ATEC | Lish Scott | SVP, Development | Feb 25 '22 | Sale | 10.26 | 8,000 | 82,080 | 328,442 | Feb 28 12:00 AM |
| ATEC | Lish Scott | SVP, Development | Feb 24 '22 | Sale | 9.44 | 12,500 | 118,000 | 336,442 | Feb 28 12:00 AM |
| ATEC | Lish Scott | SVP, Development | Feb 22 '22 | Sale | 9.66 | 4,760 | 45,982 | 260,350 | Feb 24 12:00 AM |