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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| ATLC | Howard Jeffrey A. | President & CEO | Jun 30 '26 | Sale | 103.01 | 10,000 | 1,030,100 | 663,265 | Jul 02 |
| ATLC | Howard Jeffrey A. | President & CEO | Jun 26 '26 | Sale | 109.45 | 10,000 | 1,094,500 | 673,265 | Jun 26 |
| ATLC | Howard Jeffrey A. | President & CEO | Nov 07 '25 | Option Exercise | 15.30 | 1,000 | 15,300 | 613,949 | Nov 12 |
| ATLC | Howard Jeffrey A. | President & CEO | Sep 07 '23 | Option Exercise | 6.00 | 250,000 | 1,500,000 | 718,505 | Sep 07 |
| ATLC | Howard Jeffrey A. | President & CEO | Sep 05 '23 | Option Exercise | 6.00 | 250,000 | 1,500,000 | 579,048 | Sep 07 |
| ATLC | Howard Jeffrey A. | President & CEO | Aug 17 '21 | Sale | 50.22 | 25,000 | 1,255,500 | 380,571 | Aug 19 |
| ATLC | Howard Jeffrey A. | President & CEO | Aug 04 '21 | Sale | 45.11 | 12,349 | 557,063 | 405,571 | Aug 04 |
| ATLC | Howard Jeffrey A. | President & CEO | Aug 03 '21 | Sale | 45.00 | 4,543 | 204,435 | 417,920 | Aug 04 |
| ATLC | Howard Jeffrey A. | President & CEO | Aug 02 '21 | Sale | 45.00 | 1 | 45 | 422,463 | Aug 04 |
| ATLC | Howard Jeffrey A. | President & CEO | Jul 29 '21 | Sale | 45.00 | 1,716 | 77,220 | 422,464 | Jul 30 |
| ATLC | Howard Jeffrey A. | President & CEO | Jul 26 '21 | Sale | 45.00 | 2,750 | 123,750 | 424,180 | Jul 30 |
| ATLC | Howard Jeffrey A. | President & CEO | Jul 22 '21 | Sale | 45.00 | 100 | 4,500 | 426,930 | Jul 23 |
| ATLC | Howard Jeffrey A. | President & CEO | Jul 21 '21 | Sale | 45.02 | 3,541 | 159,416 | 427,030 | Jul 23 |
| ATLC | Howard Jeffrey A. | President & CEO | Jun 14 '21 | Sale | 40.07 | 4,975 | 199,348 | 430,571 | Jun 16 |
| ATLC | Howard Jeffrey A. | President & CEO | Jun 09 '21 | Sale | 40.00 | 9,025 | 361,000 | 435,546 | Jun 11 |
| ATLC | Howard Jeffrey A. | President & CEO | Jun 02 '21 | Sale | 40.11 | 342 | 13,718 | 444,571 | Jun 04 |
| ATLC | Howard Jeffrey A. | President & CEO | Jun 01 '21 | Sale | 40.04 | 2,935 | 117,517 | 444,913 | Jun 01 |
| ATLC | Howard Jeffrey A. | President & CEO | May 27 '21 | Sale | 40.00 | 402 | 16,080 | 447,848 | Jun 01 |
| ATLC | Howard Jeffrey A. | President & CEO | May 26 '21 | Sale | 40.07 | 967 | 38,748 | 448,250 | May 26 |
| ATLC | Howard Jeffrey A. | President & CEO | May 24 '21 | Sale | 40.00 | 1,354 | 54,160 | 449,217 | May 26 |
| ATLC | Howard Jeffrey A. | President & CEO | Apr 19 '21 | Sale | 35.07 | 15,000 | 526,050 | 450,571 | Apr 21 |
| ATLC | Howard Jeffrey A. | President | Feb 17 '21 | Sale | 30.00 | 1,279 | 38,370 | 464,556 | Feb 19 |
| ATLC | Howard Jeffrey A. | President | Feb 08 '21 | Sale | 30.00 | 2,564 | 76,920 | 465,835 | Feb 08 |
| ATLC | Howard Jeffrey A. | President | Feb 04 '21 | Sale | 30.00 | 11,157 | 334,710 | 468,399 | Feb 08 |
| ATLC | Howard Jeffrey A. | President | Dec 11 '20 | Option Exercise | 3.04 | 200,000 | 608,000 | 557,509 | Dec 15 |
| ATLC | Howard Jeffrey A. | President | Feb 13 '19 | Option Exercise | 2.64 | 200,000 | 528,000 | 357,509 | Feb 15 |