Sotera Health Co. provides mission-critical sterilization, lab testing and advisory services to the medical device and pharmaceutical industries. It also provides end-to-end sterilization as well as microbiological and analytical lab testing and advisory services to help ensure that medical, pharmaceutical and food products are safe for healthcare practitioners, patients and consumers. The firm operates through the following businesses: Sterigenics, Nordion, and Nelson Labs. The Sterigenics business provides outsourced terminal sterilization and irradiation services for the medical device, pharmaceutical, food safety and advanced applications markets by using following technologies: gamma irradiation, EO processing and E-beam irradiation. The Nordion business provides Co-60 and gamma irradiators, which are the key components to the gamma sterilization process. The Nelson Labs business provides outsourced microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries. The company was founded in 1978 and is headquartered in Broadview Heights, OH. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| WARBURG PINCUS & CO. | Director | Dec 03 '25 | Sale | 16.33 | 9,720,000 | 158,727,600 | 34,102,952 | Dec 05 08:47 PM | | WARBURG PINCUS & CO. | Director | Dec 03 '25 | Sale | 16.33 | 9,720,000 | 158,727,600 | 34,102,952 | Dec 05 08:43 PM | | GTCR INVESTMENT XI LLC | Director | Dec 03 '25 | Sale | 16.33 | 6,480,000 | 105,818,400 | 22,735,301 | Dec 05 08:10 PM | | GTCR FUND XI/C LP | Owner | Dec 03 '25 | Proposed Sale | 16.33 | 1,295,747 | 21,159,549 | | Dec 04 06:01 AM | | GTCR CO-INVEST XI LP | Owner | Dec 03 '25 | Proposed Sale | 16.33 | 41,219 | 673,106 | | Dec 03 09:59 PM | | GTCR FUND XI/A LP | Owner | Dec 03 '25 | Proposed Sale | 16.33 | 5,143,033 | 83,985,729 | | Dec 03 09:59 PM | | WARBURG PINCUS LLC | Affiliate | Dec 03 '25 | Proposed Sale | 16.84 | 9,720,000 | 163,684,800 | | Dec 03 08:53 PM | | GTCR INVESTMENT XI LLC | Director | Nov 10 '25 | Sale | 15.65 | 12,000,000 | 187,812,000 | 29,215,301 | Nov 12 05:06 PM | | WARBURG PINCUS & CO. | Director | Nov 10 '25 | Sale | 15.65 | 18,000,000 | 281,718,000 | 43,822,952 | Nov 12 04:18 PM | | WARBURG PINCUS & CO. | Director | Nov 10 '25 | Sale | 15.65 | 18,000,000 | 281,718,000 | 43,822,952 | Nov 12 04:11 PM | | WARBURG PINCUS & CO. | Director | Sep 05 '25 | Sale | 15.11 | 12,000,000 | 181,332,000 | 61,822,952 | Sep 09 09:41 PM | | WARBURG PINCUS & CO. | Director | Sep 05 '25 | Sale | 15.11 | 12,000,000 | 181,332,000 | 61,822,952 | Sep 09 09:37 PM | | GTCR INVESTMENT XI LLC | Director | Sep 05 '25 | Sale | 15.11 | 8,000,000 | 120,888,000 | 41,215,301 | Sep 09 08:41 PM | | Rutz Michael P | President of Sterigenics | Aug 22 '25 | Sale | 16.38 | 126,611 | 2,074,306 | 450,204 | Aug 26 06:08 PM | | Rutz Michael P | Officer | Aug 22 '25 | Proposed Sale | 16.12 | 126,611 | 2,040,969 | | Aug 22 10:46 AM |
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