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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | May 14 '26 | Buy | 71.02 | 4,225 | 300,060 | 142,207 | May 14 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Dec 15 '25 | Option Exercise | 0.00 | 36,812 | 0 | 36,812 | Dec 17 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Aug 15 '25 | Option Exercise | 38.72 | 53,097 | 2,055,916 | 53,097 | Aug 18 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Aug 15 '25 | Sale | 119.56 | 53,097 | 6,348,194 | 0 | Aug 18 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Dec 15 '24 | Option Exercise | 0.00 | 30,940 | 0 | 207,895 | Dec 17 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Oct 03 '24 | Sale | 102.58 | 33,334 | 3,419,294 | 177,555 | Oct 03 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Oct 02 '24 | Sale | 102.07 | 33,333 | 3,402,326 | 210,889 | Oct 03 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Oct 01 '24 | Sale | 102.71 | 33,333 | 3,423,590 | 244,222 | Oct 03 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Aug 15 '24 | Sale | 96.36 | 34,710 | 3,344,486 | 277,555 | Aug 16 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Aug 15 '24 | Option Exercise | 38.72 | 53,097 | 2,055,916 | 312,265 | Aug 16 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Dec 15 '23 | Sale | 92.76 | 25,000 | 2,319,054 | 259,168 | Dec 18 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Aug 15 '23 | Option Exercise | 20.12 | 102,168 | 2,055,916 | 285,405 | Aug 17 |
| ACM | Rudd Troy | CHIEF EXECUTIVE OFFICER | Aug 15 '23 | Sale | 88.33 | 78,097 | 6,898,631 | 185,942 | Aug 17 |
| ACM | Rudd Troy | director: CHIEF EXECUTIVE OFFICER | Dec 16 '22 | Option Exercise | 31.77 | 129,420 | 4,111,909 | 364,813 | Dec 19 |
| ACM | Rudd Troy | director: CHIEF EXECUTIVE OFFICER | Dec 16 '22 | Sale | 82.51 | 139,308 | 11,494,093 | 183,237 | Dec 19 |
| ACM | Rudd Troy | Chief Executive Officer | Dec 17 '21 | Option Exercise | 0.00 | 32,000 | 0 | 134,713 | Dec 21 |
| ACM | Rudd Troy | Chief Executive Officer | Dec 15 '20 | Option Exercise | 0.00 | 21,663 | 0 | 97,456 | Dec 17 |
| ACM | Rudd Troy | EVP, CFO | May 13 '20 | Buy | 30.05 | 8,343 | 250,711 | 75,793 | May 13 |
| ACM | Rudd Troy | EVP, CFO | Dec 15 '19 | Option Exercise | 38.16 | 15,724 | 600,028 | 65,959 | Dec 17 |
| ACM | Rudd Troy | EVP, CFO | Dec 15 '18 | Option Exercise | 27.91 | 16,043 | 447,760 | 43,978 | Dec 18 |