Sotera Health's top three insider shareholders as of March 23, 2026 are Pincus Co. Warburg (Director, 19.10Mn shares), Investment Xi Llc Gtcr (Director, 12.74Mn shares), Scott J. Leffler (Cfo And Treasurer, 738.65K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Pincus Co. Warburg | 0 | 19,102,952 | 10 Mar, 2026 | |
| Investment Xi Llc Gtcr | 0 | 12,735,301 | 10 Mar, 2026 | |
| Scott J. Leffler | Cfo And Treasurer | 738,649 | 0 | 04 Mar, 2022 |
| Michael B. Jr. Petras | Chairman Ceo | 692,427 | 0 | 04 Mar, 2026 |
| Michael P Rutz | President Of Sterigenics | 484,279 | 0 | 04 Mar, 2026 |
| Alexander Dimitrief | Svp, General Counsel And Sec. | 319,981 | 0 | 04 Mar, 2026 |
| Jonathan M. Lyons | Sr. Vice President, Cfo | 228,620 | 0 | 04 Mar, 2026 |
| Ann R. Klee | 125,956 | 0 | 27 May, 2025 | |
| Sean Laurence Cunningham | 80,781 | 0 | 27 May, 2025 | |
| Ruoxi Chen | 80,781 | 0 | 27 May, 2025 | |
| David E. Wheadon | 74,912 | 0 | 27 May, 2025 | |
| Robert Brown Knauss | 54,933 | 0 | 27 May, 2025 | |
| Karen Flynn | 39,221 | 0 | 27 May, 2025 | |
| Terry Hammons | Svp, Gc And Secretary | 31,257 | 0 | 04 Mar, 2022 |
| Stephanie Geveda | 25,848 | 0 | 31 May, 2022 | |
| Christopher Simon, | 19,132 | 0 | 27 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Mar, 2026 | Pincus Co. Warburg | Common Stock, $0.01 par value per share (Common Stock) | D | 15,000,000 | $15.27 | 19,102,952 | I | S |
| 06 Mar, 2026 | Investment Xi Llc Gtcr | Common Stock, $0.01 par value per share (Common Stock) | D | 10,000,000 | $15.27 | 12,735,301 | I | S |
| 06 Mar, 2026 | Pincus Co. Warburg | Common Stock, $0.01 par value per share (Common Stock) | D | 15,000,000 | $15.27 | 19,102,952 | I | S |
| 02 Mar, 2026 | Jonathan M. Lyons | Common Stock, $0.01 par value per share (Common Stock) | D | 6,046 | $15.91 | 183,556 | D | F |
| 02 Mar, 2026 | Michael P Rutz | Common Stock, $0.01 par value per share (Common Stock) | D | 3,729 | $15.91 | 446,475 | D | F |
| 02 Mar, 2026 | Michael B. Jr. Petras | Common Stock, $0.01 par value per share (Common Stock) | D | 31,339 | $15.91 | 521,451 | D | F |
| 02 Mar, 2026 | Alexander Dimitrief | Common Stock, $0.01 par value per share (Common Stock) | D | 7,941 | $15.91 | 326,784 | D | F |
| 02 Mar, 2026 | Michael B. Jr. Petras | Common Stock | D | 40,302 | $15.91 | 481,149 | D | F |
| 02 Mar, 2026 | Michael P Rutz | Common Stock | D | 4,495 | $15.91 | 441,980 | D | F |
| 02 Mar, 2026 | Alexander Dimitrief | Common Stock | A | 16,816 | - | 343,600 | D | M |
| 02 Mar, 2026 | Jonathan M. Lyons | Common Stock | A | 17,937 | - | 201,493 | D | M |
| 02 Mar, 2026 | Michael B. Jr. Petras | Common Stock | A | 89,686 | - | 570,835 | D | M |
| 02 Mar, 2026 | Michael P Rutz | Common Stock | A | 14,573 | - | 456,553 | D | M |
| 02 Mar, 2026 | Jonathan M. Lyons | Common Stock | D | 23,988 | $15.91 | 177,505 | D | F |
| 02 Mar, 2026 | Alexander Dimitrief | Common Stock | D | 23,619 | $15.91 | 319,981 | D | F |
| 02 Mar, 2026 | Michael B. Jr. Petras | Common Stock | D | 39,552 | $15.91 | 531,283 | D | F |
| 02 Mar, 2026 | Alexander Dimitrief | Performance RSUs | D | 16,816 | - | 11,210 | D | M |
| 02 Mar, 2026 | Michael P Rutz | Common Stock | D | 17,497 | $15.91 | 439,056 | D | F |
| 02 Mar, 2026 | Jonathan M. Lyons | Common Stock | D | 8,240 | $15.91 | 169,265 | D | F |
| 02 Mar, 2026 | Michael B. Jr. Petras | Common Stock | D | 79,104 | $15.91 | 452,179 | D | F |