Michael B. Petras Jr.
Chairman & CEO at Sotera Health Company
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Sotera Health Company, 3 years.
Sotera Health Company
Director · Chairman & CEO
Chief executive roles
Sotera Health Company
· Chairman & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 3, 2025 | Sotera Health Company | Grant or award | +298,953 | — | — |
| Mar 2, 2025 | Sotera Health Company | Shares withheld for tax | −27,990 | $12.47 | $349,035 |
| Mar 2, 2025 | Sotera Health Company | Shares withheld for tax | −31,872 | $12.47 | $397,444 |
| Mar 2, 2025 | Sotera Health Company | Shares withheld for tax | −40,987 | $12.47 | $511,108 |
| Nov 22, 2024 | Sotera Health Company | Gift | −39,243 | — | — |
| Nov 22, 2024 | Sotera Health Company | Gift | +39,243 | — | — |
| Nov 20, 2024 | Sotera Health Company | Shares withheld for tax | −29,250 | $13.21 | $386,393 |
| Sep 10, 2024 | Sotera Health Company | Gift | −200,000 | — | — |
| Mar 4, 2024 | Sotera Health Company | Grant or award | +274,160 | — | — |
| Mar 4, 2024 | Sotera Health Company | Open-market sale | −1,003,870 | $14.31 | $14,365,380 |
| Mar 2, 2024 | Sotera Health Company | Shares withheld for tax | −27,990 | $14.56 | $407,534 |
| Mar 2, 2024 | Sotera Health Company | Shares withheld for tax | −21,574 | $14.56 | $314,117 |
| Nov 20, 2023 | Sotera Health Company | Shares withheld for tax | −29,250 | $13.93 | $407,453 |
| Mar 6, 2023 | Sotera Health Company | Grant or award | +213,189 | — | — |
| Mar 2, 2023 | Sotera Health Company | Shares withheld for tax | −19,841 | $17.41 | $345,432 |
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