| 
| Insider Trading | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |  | Ligon Paul | SR VP of Sustainable Growth | Aug 04 '25 | Sale | 102.84 | 1,000 | 102,840 | 18,347 | Aug 05 04:41 PM |  | PAUL LIGON | Officer | Aug 04 '25 | Proposed Sale | 102.98 | 1,000 | 102,980 |  | Aug 04 04:22 PM |  | Ligon Paul | SR VP of Sustainable Growth | Jun 03 '25 | Sale | 116.98 | 1,000 | 116,980 | 19,347 | Jun 04 04:27 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | May 08 '25 | Sale | 119.87 | 18,093 | 2,168,808 | 11,416 | May 09 04:00 PM |  | CASELLA JOHN W | Officer | May 08 '25 | Proposed Sale | 120.37 | 18,093 | 2,177,854 |  | May 08 01:29 PM |  | Coletta Edmond | PRESIDENT | May 06 '25 | Sale | 119.18 | 5,562 | 662,879 | 150,093 | May 07 04:05 PM |  | Coletta Edmond | Officer | May 06 '25 | Proposed Sale | 119.18 | 5,562 | 662,891 |  | May 06 04:03 PM |  | Ligon Paul | SR VP of Sustainable Growth | Apr 16 '25 | Sale | 118.67 | 2,000 | 237,350 | 20,347 | Apr 17 04:37 PM |  | PAUL LIGON | Officer | Apr 16 '25 | Proposed Sale | 118.04 | 3,000 | 354,120 |  | Apr 16 04:24 PM |  | Coletta Edmond | PRESIDENT | Mar 13 '25 | Sale | 104.92 | 5,456 | 572,456 | 155,655 | Mar 14 04:17 PM |  | Coletta Edmond | PRESIDENT | Mar 12 '25 | Sale | 106.34 | 836 | 88,899 | 161,111 | Mar 14 04:17 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Mar 12 '25 | Sale | 107.30 | 1,828 | 196,141 | 30,374 | Mar 14 04:16 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Mar 13 '25 | Sale | 104.23 | 865 | 90,159 | 29,509 | Mar 14 04:16 PM |  | Ligon Paul | SR VP of Sustainable Growth | Mar 12 '25 | Sale | 106.49 | 125 | 13,311 | 22,404 | Mar 14 04:14 PM |  | Ligon Paul | SR VP of Sustainable Growth | Mar 13 '25 | Sale | 104.06 | 57 | 5,931 | 22,347 | Mar 14 04:14 PM |  | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Mar 12 '25 | Sale | 106.70 | 131 | 13,978 | 5,742 | Mar 14 04:13 PM |  | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Mar 13 '25 | Sale | 104.00 | 57 | 5,928 | 5,685 | Mar 14 04:13 PM |  | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Mar 12 '25 | Sale | 106.63 | 381 | 40,627 | 24,405 | Mar 14 04:12 PM |  | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Mar 13 '25 | Sale | 103.95 | 206 | 21,414 | 24,199 | Mar 14 04:12 PM |  | Steves Sean | Sr VP & COO of SW Ops | Mar 12 '25 | Sale | 106.65 | 171 | 18,237 | 7,543 | Mar 14 04:11 PM |  | Steves Sean | Sr VP & COO of SW Ops | Mar 13 '25 | Sale | 104.13 | 108 | 11,246 | 7,435 | Mar 14 04:11 PM |  | Helgeson Bradford John | Executive VP and CFO | Mar 13 '25 | Sale | 103.87 | 197 | 20,462 | 5,253 | Mar 14 04:10 PM |  | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Mar 12 '25 | Sale | 106.84 | 496 | 52,993 | 108,948 | Mar 14 04:09 PM |  | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Mar 13 '25 | Sale | 103.93 | 200 | 20,786 | 108,748 | Mar 14 04:09 PM |  | Coletta Edmond | Officer | Mar 13 '25 | Proposed Sale | 105.00 | 5,000 | 525,000 |  | Mar 13 03:26 PM |  | Edmond Coletta | Officer | Mar 12 '25 | Proposed Sale | 106.32 | 1,282 | 136,302 |  | Mar 12 04:43 PM |  | John W. Casella | Officer | Mar 12 '25 | Proposed Sale | 106.32 | 2,692 | 286,213 |  | Mar 12 04:42 PM |  | Shelley E. Sayward | Officer | Mar 12 '25 | Proposed Sale | 106.32 | 581 | 61,772 |  | Mar 12 04:42 PM |  | Douglas R. Casella | Officer | Mar 12 '25 | Proposed Sale | 106.32 | 708 | 75,275 |  | Mar 12 04:41 PM |  | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Mar 10 '25 | Sale | 111.94 | 5,387 | 603,028 | 107,875 | Mar 12 04:41 PM |  | Douglas Casella | Director | Mar 10 '25 | Proposed Sale | 112.47 | 10,000 | 1,124,700 |  | Mar 10 05:43 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Mar 03 '25 | Sale | 113.88 | 13,577 | 1,546,149 | 26,258 | Mar 03 04:28 PM |  | Coletta Edmond | PRESIDENT | Mar 03 '25 | Sale | 113.75 | 5,206 | 592,182 | 158,381 | Mar 03 04:26 PM |  | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Mar 03 '25 | Sale | 113.35 | 1,938 | 219,672 | 23,716 | Mar 03 04:26 PM |  | Steves Sean | Sr VP & COO of SW Ops | Mar 03 '25 | Sale | 113.49 | 495 | 56,178 | 6,763 | Mar 03 04:24 PM |  | Ligon Paul | SR VP of Sustainable Growth | Mar 03 '25 | Sale | 113.33 | 487 | 55,192 | 22,054 | Mar 03 04:23 PM |  | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Mar 03 '25 | Sale | 113.48 | 1,136 | 128,913 | 5,398 | Mar 03 04:22 PM |  | Edmond Coletta | Officer | Mar 03 '25 | Proposed Sale | 113.75 | 5,206 | 592,165 |  | Mar 03 04:21 PM |  | Kevin Drohan | Officer | Mar 03 '25 | Proposed Sale | 113.48 | 1,136 | 128,911 |  | Mar 03 04:20 PM |  | Paul Ligon | Officer | Mar 03 '25 | Proposed Sale | 113.33 | 487 | 55,192 |  | Mar 03 04:20 PM |  | Sean Steves | Officer | Mar 03 '25 | Proposed Sale | 113.49 | 495 | 56,179 |  | Mar 03 04:19 PM |  | Shelley Sayward | Officer | Mar 03 '25 | Proposed Sale | 113.35 | 1,938 | 219,672 |  | Mar 03 04:19 PM |  | John W. Casella | Officer | Mar 03 '25 | Proposed Sale | 113.88 | 13,576 | 1,546,100 |  | Mar 03 04:19 PM |  | Green Emily Nagle | Director | Dec 13 '24 | Sale | 108.18 | 2,025 | 219,060 | 15,624 | Dec 16 04:09 PM |  | Michael Burke | Director | Nov 25 '24 | Proposed Sale | 112.91 | 1,800 | 203,238 |  | Nov 25 05:08 PM |  | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Nov 22 '24 | Sale | 112.26 | 20,000 | 2,245,200 | 115,435 | Nov 25 04:37 PM |  | BURKE MICHAEL K | Director | Nov 25 '24 | Sale | 112.88 | 1,800 | 203,184 | 15,138 | Nov 25 04:36 PM |  | Douglas R. Casella | Officer | Nov 22 '24 | Proposed Sale | 112.56 | 20,000 | 2,251,200 |  | Nov 22 05:03 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Nov 14 '24 | Option Exercise | 12.48 | 27,940 | 348,691 | 38,669 | Nov 18 04:39 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Nov 15 '24 | Sale | 106.40 | 27,689 | 2,946,216 | 10,729 | Nov 18 04:39 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Nov 14 '24 | Sale | 108.84 | 251 | 27,319 | 38,418 | Nov 18 04:39 PM |  | CASELLA JOHN W | Officer | Nov 14 '24 | Proposed Sale | 108.00 | 27,940 | 3,017,520 |  | Nov 14 04:15 PM |  | Steves Sean | Officer | Nov 12 '24 | Proposed Sale | 108.27 | 1,418 | 153,527 |  | Nov 12 04:49 PM |  | Steves Sean | Sr VP & COO of SW Ops | Nov 12 '24 | Sale | 108.27 | 1,418 | 153,527 | 5,802 | Nov 12 04:17 PM |  | Green Emily Nagle | Director | Nov 06 '24 | Sale | 105.14 | 745 | 78,329 | 6,763 | Nov 08 04:23 PM |  | Helgeson Bradford John | Executive VP and CFO | Nov 07 '24 | Sale | 106.68 | 197 | 21,016 | 3,548 | Nov 08 04:21 PM |  | Ligon Paul | SR VP of Sustainable Growth | Nov 06 '24 | Sale | 106.81 | 1,730 | 184,781 | 21,085 | Nov 07 04:13 PM |  | PAUL LIGON | Officer | Nov 06 '24 | Proposed Sale | 106.81 | 1,730 | 184,783 |  | Nov 06 04:49 PM |  | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Nov 05 '24 | Sale | 100.79 | 23,509 | 2,369,564 | 10,729 | Nov 06 04:13 PM |  | Coletta Edmond | PRESIDENT | Nov 04 '24 | Sale | 100.11 | 20,000 | 2,002,167 | 149,034 | Nov 05 04:08 PM |  | HULLIGAN WILLIAM P | Director | Nov 04 '24 | Sale | 99.82 | 10,000 | 998,180 | 5,153 | Nov 05 04:07 PM |  | CASELLA JOHN W | Officer | Nov 05 '24 | Proposed Sale | 100.82 | 23,509 | 2,370,236 |  | Nov 05 03:52 PM |  | Edmond R. Coletta | Officer | Nov 04 '24 | Proposed Sale | 99.34 | 20,000 | 1,986,800 |  | Nov 04 05:34 PM |  |