Sotera Health Co (SHC)
$19.27-$0.21 (-1.08%) Today
Sotera Health Co provides sterilization, analytical lab testing, and advisory services to help ensure that medical, pharmaceutical, and food products are safe for healthcare practitioners, patients, and consumers. The company operates in three reportable segments: Sterigenics, Nordion, and Nelson Labs. The Sterigenics segment, which generates maximum revenue, provides outsourced terminal sterilization and irradiation services for medical devices, pharmaceuticals, food safety, and other application markets using three core technologies: gamma irradiation, EO processing, and E-beam irradiation. Geographically, the company generates maximum revenue from the United States, followed by Canada, Europe, and other regions.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 1,294,515 | $24.00M |
| Tax withholding / forfeiture | 1 | 11,316 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
38 Form 4 filings on record, the earliest from Nov 22, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michael B. Petras Jr. - Officer | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 294,515 | $18.50 | $5.45M | |
| Michael B. Petras Jr. - Officer | Open-market sale | Common Stock | 850,000 | $18.50 | $15.73M | |
| Michael P. Rutz - Officer | Open-market sale | Common Stock, $0.01 par value per share | 150,000 | $18.84 | $2.83M | |
| Jonathan M. Lyons - Officer | Tax withholding / forfeiture | Common Stock, $0.01 par value per share | 11,316 | $17.98 | $203K | |
| Ann R. Klee | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
 Alton Shader - Officer | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 375,939 | $0.00 | - | |
| Alton Shader - Officer | Grant or award | Common Stock | 203,634 | $0.00 | - | |
| Alton Shader - Officer | Grant or award | Share Appreciation Units | 101,817 | $0.00 | - | |
 Richard G. Kyle | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
| Kenneth D. Krause | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
| Sean Laurence Cunningham | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
| Karen Flynn | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
| James Neary | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
| Vincent K. Petrella | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
 Ruoxi Chen | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
 Christopher Simon, | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
 David E. Wheadon | Grant or award | Common Stock, $0.01 par value per share ("Common Stock") | 14,970 | $0.00 | - | |
| WARBURG PINCUS CO. - Director | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 19,102,952 | $15.17 | $289.75M | |
| GTCR INVESTMENT XI LLC | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 12,735,301 | $15.17 | $193.17M | |
| Alexander Dimitrief - Officer | Tax withholding / forfeiture | Common Stock, $0.01 par value per share ("Common Stock") | 7,941 | $14.34 | $114K | |
| WARBURG PINCUS CO. - Director | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 15,000,000 | $15.27 | $229.05M | |
| GTCR INVESTMENT XI LLC | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 10,000,000 | $15.27 | $152.70M | |
| Michael B. Petras Jr. - Officer | Tax withholding / forfeiture | Common Stock, $0.01 par value per share ("Common Stock") | 31,339 | $15.91 | $499K | |
| Michael B. Petras Jr. - Officer | Tax withholding / forfeiture | Common Stock | 40,302 | $15.91 | $641K | |
| Michael B. Petras Jr. - Officer | Option exercise | Common Stock | 89,686 | - | - | |
| Michael B. Petras Jr. - Officer | Tax withholding / forfeiture | Common Stock | 39,552 | $15.91 | $629K | |
| Michael B. Petras Jr. - Officer | Tax withholding / forfeiture | Common Stock | 79,104 | $15.91 | $1.26M | |
| Michael B. Petras Jr. - Officer | Grant or award | Common Stock | 240,248 | $0.00 | - | |
| Michael B. Petras Jr. - Officer | Option exercise | Share Appreciation Units | 89,686 | - | - | |
| Michael B. Petras Jr. - Officer | Grant or award | Share Appreciation Units | 120,124 | $0.00 | - | |
| Alexander Dimitrief - Officer | Tax withholding / forfeiture | Common Stock, $0.01 par value per share ("Common Stock") | 7,941 | $15.91 | $126K | |
| Alexander Dimitrief - Officer | Option exercise | Common Stock | 16,816 | - | - | |
| Alexander Dimitrief - Officer | Tax withholding / forfeiture | Common Stock | 23,619 | $15.91 | $376K | |
| Alexander Dimitrief - Officer | Option exercise | Performance RSUs | 16,816 | - | - | |
| Jonathan M. Lyons - Officer | Tax withholding / forfeiture | Common Stock | 23,988 | $15.91 | $382K | |
| Jonathan M. Lyons - Officer | Tax withholding / forfeiture | Common Stock | 8,240 | $15.91 | $131K | |
| Jonathan M. Lyons - Officer | Grant or award | Common Stock | 59,355 | $0.00 | - | |
| Jonathan M. Lyons - Officer | Option exercise | Performance RSUs | 17,937 | - | - | |
| Jonathan M. Lyons - Officer | Grant or award | Performance RSUs | 29,678 | $0.00 | - | |
| Jonathan M. Lyons - Officer | Tax withholding / forfeiture | Common Stock, $0.01 par value per share ("Common Stock") | 6,046 | $15.91 | $96K | |
| Jonathan M. Lyons - Officer | Option exercise | Common Stock | 17,937 | - | - | |
| Michael P. Rutz - Officer | Grant or award | Common Stock | 45,223 | $0.00 | - | |
| Michael P. Rutz - Officer | Option exercise | Performance RSUs | 14,573 | - | - | |
| Michael P. Rutz - Officer | Grant or award | Performance RSUs | 22,612 | $0.00 | - | |
| Michael P. Rutz - Officer | Tax withholding / forfeiture | Common Stock, $0.01 par value per share ("Common Stock") | 3,729 | $15.91 | $59K | |
| Michael P. Rutz - Officer | Tax withholding / forfeiture | Common Stock | 4,495 | $15.91 | $72K | |
| Michael P. Rutz - Officer | Option exercise | Common Stock | 14,573 | - | - | |
| Michael P. Rutz - Officer | Tax withholding / forfeiture | Common Stock | 17,497 | $15.91 | $278K | |
| Michael B. Petras Jr. - Officer | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 315,896 | $16.45 | $5.20M | |
| Michael B. Petras Jr. - Officer | Open-market sale | Common Stock | 394,861 | $16.45 | $6.50M | |
| Michael B. Petras Jr. - Officer | Open-market sale | Common Stock | 39,243 | $16.45 | $646K | |
| WARBURG PINCUS CO. | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 9,720,000 | $16.33 | $158.73M | |
| GTCR INVESTMENT XI LLC | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 6,480,000 | $16.33 | $105.82M | |
| WARBURG PINCUS CO. | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 9,720,000 | $16.33 | $158.73M | |
| GTCR INVESTMENT XI LLC | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 12,000,000 | $15.65 | $187.81M | |
| WARBURG PINCUS CO. - Director | Open-market sale | Common Stock, $0.01 par value per share ("Common Stock") | 18,000,000 | $15.65 | $281.72M |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Michael B. Petras, Jr. | Chairman, CEO | 1,144,515 | $21.62M | View on EDGAR | |
| Rutz Michael P | Officer | 150,000 | $2.84M | View on EDGAR |
Sotera Health Co (SHC) had 3 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for SHC runs to 38 Form 4 filings, the earliest from 2024-11-22. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of SHC were filed in the last 90 days.
3 insider sales of SHC were filed in the last 90 days, totaling $24.00M.
This page tracks SHC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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