Updated Jul 16, 2026 · Last SEC filing 2026-05-28
Sotera Health Co (SHC) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-28. 4 Form 8-K material event filings were reported by SHC in the last 90 days. InsiderAlpha tracks every SHC SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001822479 |
|---|
| Form 4 filings (90d) | 13 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Latest Form 4 filing | 2026-05-28 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| SHADER ALTON | Chief Executive Officer | A — Grant or award | 375.9K | $0.00 | — | SEC | |
| SHADER ALTON | Chief Executive Officer | A — Grant or award | 203.6K | $0.00 | — | SEC | |
| Chen Ruoxi | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Neary James | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| CUNNINGHAM SEAN LAURENCE | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| PETRELLA VINCENT K | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Simon, Christopher | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Wheadon David E. | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Flynn Karen | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Klee Ann R. | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Kyle Richard G | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| Krause Kenneth D. | Insider | A — Grant or award | 15.0K | $0.00 | — | SEC | |
| GTCR INVESTMENT XI LLC | Insider | S — Open-market sale | 12.74M | $15.17 | $193.17M | SEC | |
| WARBURG PINCUS CO. | Director | S — Open-market sale | 19.10M | $15.17 | $289.75M | SEC | |
| DIMITRIEF ALEXANDER | Former SVP, GC and Sec. | F — Tax withholding / forfeiture | 7.9K | $14.34 | $114K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Sotera Health Co (SHC). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| SHADER ALTON | 3 | — |
| GTCR INVESTMENT XI LLC | 1 | $193.17M |
| PETRELLA VINCENT K | 1 | — |
| Wheadon David E. | 1 | — |
| WARBURG PINCUS CO. | 1 | $289.75M |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SHC insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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