Sotera Health Co. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Sotera Health Co. filed 18 open-market sales worth $2.59 billion and 0 open-market purchases, on Form 4 with the SEC. The latest: Petras Michael B. Jr., Executive Chairman, sold 294,515 shares at $18.50 on 17 August 2026, filed 19 August 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 17 August 2026 | Petras Michael B. Jr. | Executive Chairman | Sale | 294,515 | $18.50 | $5.4 million | Form 4 |
| 17 August 2026 | Petras Michael B. Jr. | Executive Chairman | Sale | 850,000 | $18.50 | $15.7 million | Form 4 |
| 7 August 2026 | Rutz Michael P | President of Sterigenics | Sale | 150,000 | $18.84 | $2.8 million | Form 4 |
| 13 May 2026 | Warburg Pincus & Co. | Director | Sale | 19,102,952 | $15.17 | $289.8 million | Form 4 |
| 13 May 2026 | Warburg Pincus & Co. | Director | Sale | 19,102,952 | $15.17 | $289.8 million | Form 4 |
| 13 May 2026 | Gtcr Investment Xi Llc | Director | Sale | 12,735,301 | $15.17 | $193.2 million | Form 4 |
| 6 March 2026 | Warburg Pincus & Co. | Director | Sale | 15,000,000 | $15.27 | $229.1 million | Form 4 |
| 6 March 2026 | Warburg Pincus & Co. | Director | Sale | 15,000,000 | $15.27 | $229.1 million | Form 4 |
| 6 March 2026 | Gtcr Investment Xi Llc | Director | Sale | 10,000,000 | $15.27 | $152.7 million | Form 4 |
| 8 December 2025 | Petras Michael B. Jr. | Chairman & CEO | Sale | 315,896 | $16.45 | $5.2 million | Form 4 |
| 8 December 2025 | Petras Michael B. Jr. | Chairman & CEO | Sale | 394,861 | $16.45 | $6.5 million | Form 4 |
| 8 December 2025 | Petras Michael B. Jr. | Chairman & CEO | Sale | 39,243 | $16.45 | $645,547 | Form 4 |
| 3 December 2025 | Warburg Pincus & Co. | Director | Sale | 9,720,000 | $16.33 | $158.7 million | Form 4 |
| 3 December 2025 | Warburg Pincus & Co. | Director | Sale | 9,720,000 | $16.33 | $158.7 million | Form 4 |
| 3 December 2025 | Gtcr Investment Xi Llc | Director | Sale | 6,480,000 | $16.33 | $105.8 million | Form 4 |
| 10 November 2025 | Gtcr Investment Xi Llc | Director | Sale | 12,000,000 | $15.65 | $187.8 million | Form 4 |
| 10 November 2025 | Warburg Pincus & Co. | Director | Sale | 18,000,000 | $15.65 | $281.7 million | Form 4 |
| 10 November 2025 | Warburg Pincus & Co. | Director | Sale | 18,000,000 | $15.65 | $281.7 million | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Sotera Health Co.: the company's filing index.
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