| WARBURG PINCUS & CO. | director, 10 percent owner: | May 13 '26 | Sale | 15.17 | 19,102,952 | 289,753,576 | 0 | May 15 12:00 AM |
| GTCR INVESTMENT XI LLC | director, 10 percent owner: | May 13 '26 | Sale | 15.17 | 12,735,301 | 193,169,046 | 0 | May 15 12:00 AM |
| WARBURG PINCUS & CO. | director, 10 percent owner: | Mar 06 '26 | Sale | 15.27 | 15,000,000 | 229,050,000 | 19,102,952 | Mar 10 12:00 AM |
| GTCR INVESTMENT XI LLC | director, 10 percent owner: | Mar 06 '26 | Sale | 15.27 | 10,000,000 | 152,700,000 | 12,735,301 | Mar 10 12:00 AM |
| Petras Michael B. Jr. | Chairman & CEO | Mar 02 '26 | Option Exercise | 0.00 | 179,372 | 0 | 570,835 | Mar 04 12:00 AM |
| DIMITRIEF ALEXANDER | SVP, General Counsel and Sec. | Mar 02 '26 | Option Exercise | 0.00 | 33,632 | 0 | 343,600 | Mar 04 12:00 AM |
| Lyons Jonathan M. | Sr. Vice President, CFO | Mar 02 '26 | Option Exercise | 0.00 | 35,874 | 0 | 201,493 | Mar 04 12:00 AM |
| Rutz Michael P | President of Sterigenics | Mar 02 '26 | Option Exercise | 0.00 | 29,146 | 0 | 456,553 | Mar 04 12:00 AM |
| Petras Michael B. Jr. | Chairman & CEO | Dec 08 '25 | Sale | 16.45 | 750,000 | 12,337,499 | 0 | Dec 10 12:00 AM |
| WARBURG PINCUS & CO. | director, 10 percent owner: | Dec 03 '25 | Sale | 16.33 | 9,720,000 | 158,727,600 | 34,102,952 | Dec 05 12:00 AM |
| GTCR INVESTMENT XI LLC | director, 10 percent owner: | Dec 03 '25 | Sale | 16.33 | 6,480,000 | 105,818,400 | 22,735,301 | Dec 05 12:00 AM |
| WARBURG PINCUS & CO. | director, 10 percent owner: | Nov 10 '25 | Sale | 15.65 | 18,000,000 | 281,718,000 | 43,822,952 | Nov 12 12:00 AM |
| GTCR INVESTMENT XI LLC | director, 10 percent owner: | Nov 10 '25 | Sale | 15.65 | 12,000,000 | 187,812,000 | 29,215,301 | Nov 12 12:00 AM |
| WARBURG PINCUS & CO. | director, 10 percent owner: | Sep 05 '25 | Sale | 15.11 | 12,000,000 | 181,332,000 | 61,822,952 | Sep 09 12:00 AM |
| GTCR INVESTMENT XI LLC | director, 10 percent owner: | Sep 05 '25 | Sale | 15.11 | 8,000,000 | 120,888,000 | 41,215,301 | Sep 09 12:00 AM |