Machine signal
Active cluster sell — 3 distinct insiders, $775.5M, window ends Aug 7, 2026.
Figures computed from official regulatory filings — .
Analysttarget 22.72 USD (+25%) · consensus 4.3/5 · 8 buy · 2 hold · 0 sell
Ownershipinsiders 2.41% · institutions 105.92% · short 5.0% of float
In USD · as of Oct 5, 2026
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Sotera Health Company provides sterilization solutions, lab testing, and advisory services for the healthcare industry in the United States, Canada, Europe, and internationally. The company operates through three segments: Sterigenics, Nordion, and Nelson Labs. The Sterigenics segment offers outsourced terminal sterilization and irradiation services using gamma irradiation, ethylene oxide processing, and electron beam irradiation technologies for medical devices, pharmaceutical, and food safety and advanced applications markets. The Nordion segment provides Cobalt-60 used in the sterilization and irradiation processes for the medical device, pharmaceutical, food safety, and high-performance materials industries, as well as in the treatment of cancer. It also offers gamma irradiation systems. The Nelson Labs segment provides outsourced microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries. The company was formerly known as Sotera Health Topco, Inc. and changed its name to Sotera Health Company in October 2020. Sotera Health Company was incorporated in 2015 and is headquartered in Broadview Heights, Ohio.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
37 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Petras Michael B. Jr. | Sell | $5.4M | SEC |
| Petras Michael B. Jr. | Sell | $15.7M | SEC |
| Rutz Michael P | Sell | $2.8M | Unusual size | SEC |
| Lyons Jonathan M. | Other | $203.5K | SEC |
| Chen Ruoxi | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Klee Ann R. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SHADER ALTON | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SHADER ALTON | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Wheadon David E. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Flynn Karen | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| PETRELLA VINCENT K | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Krause Kenneth D. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| CUNNINGHAM SEAN LAURENCE | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Simon, Christopher | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Neary James | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SHADER ALTON | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kyle Richard G | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| WARBURG PINCUS & COtrack record | Sell | $289.8M | Unusual size | SEC |
| GTCR INVESTMENT XI LLC | Sell | $193.2M | SEC |
| WARBURG PINCUS & COtrack record | Sell | $289.8M | Unusual size | SEC |
| DIMITRIEF ALEXANDERtrack record | Other | $113.9K | SEC |
| GTCR CO-INVEST XI LP | Sell | $152.7M | SEC |
| Warburg Pincus Partners GP LLCtrack record | Sell | $229.1M | Unusual size | SEC |
| Warburg Pincus Partners II, L.P. | Sell | $229.1M | SEC |
| Rutz Michael P | Other | $278.4K | Unusual size | SEC |