Sotera Health Co
SHC- Exchange
- Nasdaq
- Industry
- Services-Misc Health & Allied Services, NEC
- SEC CIK
- 0001822479
In the last 90 days, Sotera Health Co insiders filed 0 open-market purchases and 2 sales; 320 institutions reported holding it in 13F filings for Q2 2026, worth $5.21B in total; Greenlight Capital is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Sotera Health Co insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 2 insiders, $24.0M in total
- Insiders trading
- 2
- Net value
- −$24.0M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Sotera Health Co, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Petras Michael B. Jr. | Executive Chairman | 3,969,393Indirect | Aug 19, 2026 | 3 |
| Rutz Michael P | President of Sterigenics | 334,279 | Aug 11, 2026 | 2 |
| Lyons Jonathan M. | Sr. Vice President, CFO | 217,304 | Aug 7, 2026 | 2 |
| Petrella Vincent K | Director | 95,751 | May 27, 2026 | 1 |
| Neary James | Director | 95,751 | May 27, 2026 | 1 |
| Kyle Richard G | Director | 14,970 | May 27, 2026 | 2 |
| Shader Alton | Chief Executive Officer | 579,573 | May 27, 2026 | 1 |
| Flynn Karen | Director | 54,191 | May 27, 2026 | 1 |
| Krause Kenneth D. | Director | 14,970 | May 27, 2026 | 1 |
| Simon, Christopher | Director | 34,102 | May 27, 2026 | 1 |
| Chen Ruoxi | Director | 95,751 | May 27, 2026 | 1 |
| Wheadon David E. | Director | 89,882 | May 27, 2026 | 1 |
| Klee Ann R. | Director | 140,926 | May 27, 2026 | 1 |
| Cunningham Sean Laurence | Director | 95,751 | May 27, 2026 | 1 |
| Warburg Pincus & Co. | Director, 10% Owner | 0Indirect | May 15, 2026 | 8 |
| Warburg Pincus LLC | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus Private Equity XI-C, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus XI-C, LLC | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus (Cayman) XI, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus (Bermuda) Private Equity GP Ltd. | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus Partners GP LLC | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus Partners II (Cayman), L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 5 |
| Warburg Pincus Private Equity XI, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| WP XI Partners, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| Warburg Pincus Private Equity XI-B, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| Warburg Pincus XI, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| WP Global LLC | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| Warburg Pincus XI Partners, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| Warburg Pincus Partners II, L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| Bull Co-Invest L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| Bull Holdco L.P. | Director, 10% Owner | 0Indirect | May 15, 2026 | 3 |
| GTCR Co-Invest XI LP | Director, 10% Owner | 0Indirect | May 15, 2026 | 4 |
| GTCR Fund XI/A LP | Director, 10% Owner | 0Indirect | May 15, 2026 | 4 |
| GTCR Fund XI/C LP | Director, 10% Owner | 0Indirect | May 15, 2026 | 4 |
| GTCR Investment XI LLC | Director, 10% Owner | 0Indirect | May 15, 2026 | 4 |
| GTCR Partners XI/A&C LP | Director, 10% Owner | 0Indirect | May 15, 2026 | 4 |
| Dimitrief Alexander | Former SVP, GC and Sec. | 312,040 | Apr 2, 2026 | 2 |
| Mihas Constantine S | Director | 80,781 | May 27, 2025 | 0 |
| Knauss Robert Brown | Director | 54,933 | May 27, 2025 | 0 |
| Donnini David | Director | 61,649 | May 29, 2024 | 0 |
| Geveda Stephanie | Director | 25,848 | May 31, 2022 | 0 |
| Hammons Terry | SVP, GC and Secretary | 31,257 | Mar 4, 2022 | 0 |
| Leffler Scott J. | CFO and Treasurer | 738,649 | Mar 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 (view filing)4:24 PM ET | Aug 17 | 2 days | Petras Michael B. Jr.Executive Chairman | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −294.5K | $18.50 | −$5.45M | −42.5%397.9K after | |
| Aug 19, 2026 (view filing)4:24 PM ET | Aug 17 | 2 days | Petras Michael B. Jr.Executive Chairman | SSale | −850.0K | $18.50 | −$15.7M | −17.6%3.97M after | |
| Aug 11, 2026 (view filing)4:24 PM ET | Aug 7 | 4 days | Rutz Michael PPresident of Sterigenics | SSaleCommon Stock, $0.01 par value per share | −150.0K | $18.84 | −$2.83M | −31.0%334.3K after | |
| May 15, 2026 (view filing)4:54 PM ET | May 13 | 2 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −19.1M | $15.17 | −$289.8M | −100.0%0 after | Duplicate filing |
| May 15, 2026 (view filing)4:48 PM ET | May 13 | 2 days | Warburg Pincus & Co. and 9 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −19.1M | $15.17 | −$289.8M | −100.0%0 after | |
| May 15, 2026 (view filing)4:41 PM ET | May 13 | 2 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −12.7M | $15.17 | −$193.2M | −100.0%0 after | |
| Mar 10, 2026 (view filing)7:50 PM ET | Mar 6 | 4 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −15.0M | $15.27 | −$229.1M | −44.0%19.1M after | Duplicate filing |
| Mar 10, 2026 (view filing)7:49 PM ET | Mar 6 | 4 days | Warburg Pincus & Co. and 9 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −15.0M | $15.27 | −$229.1M | −44.0%19.1M after | |
| Mar 10, 2026 (view filing)6:10 PM ET | Mar 6 | 4 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −10.0M | $15.27 | −$152.7M | −44.0%12.7M after | |
| Dec 10, 2025 (view filing) | Dec 8 | 2 days | Petras Michael B. Jr.Chairman & CEO | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −315.9K | $16.45 | −$5.20M | −36.4%552.8K after | |
| Dec 10, 2025 (view filing) | Dec 8 | 2 days | Petras Michael B. Jr.Chairman & CEO | SSale | −434.1K | $16.45 | −$7.14M | −100.0%0 after | 2 lots |
| Dec 5, 2025 (view filing)8:47 PM ET | Dec 3 | 2 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −9.72M | $16.33 | −$158.7M | −22.2%34.1M after | Duplicate filing |
| Dec 5, 2025 (view filing)8:43 PM ET | Dec 3 | 2 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −9.72M | $16.33 | −$158.7M | −22.2%34.1M after | |
| Dec 5, 2025 (view filing)8:10 PM ET | Dec 3 | 2 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −6.48M | $16.33 | −$105.8M | −22.2%22.7M after | |
| Nov 12, 2025 (view filing)5:06 PM ET | Nov 10 | 2 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −12.0M | $15.65 | −$187.8M | −29.1%29.2M after | |
| Nov 12, 2025 (view filing)4:18 PM ET | Nov 10 | 2 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −18.0M | $15.65 | −$281.7M | −29.1%43.8M after | Duplicate filing |
| Nov 12, 2025 (view filing)4:11 PM ET | Nov 10 | 2 days | Warburg Pincus & Co. and 9 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −18.0M | $15.65 | −$281.7M | −29.1%43.8M after | |
| Sep 9, 2025 (view filing)9:41 PM ET | Sep 5 | 4 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −12.0M | $15.11 | −$181.3M | −16.3%61.8M after | Duplicate filing |
| Sep 9, 2025 (view filing)9:37 PM ET | Sep 5 | 4 days | Warburg Pincus & Co. and 9 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −12.0M | $15.11 | −$181.3M | −16.3%61.8M after | |
| Sep 9, 2025 (view filing)8:41 PM ET | Sep 5 | 4 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −8.00M | $15.11 | −$120.9M | −16.3%41.2M after | |
| Aug 26, 2025 (view filing) | Aug 22 | 4 days | Rutz Michael PPresident of Sterigenics | SSale | −126.6K | $16.38 | −$2.07M | −22.0%450.2K after | |
| Sep 9, 2024 (view filing)7:13 PM ET | Sep 6 | 3 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −15.0M | $15.03 | −$225.4M | −16.9%73.8M after | Duplicate filing |
| Sep 9, 2024 (view filing)7:13 PM ET | Sep 6 | 3 days | Warburg Pincus & Co. and 9 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −15.0M | $15.03 | −$225.4M | −16.9%73.8M after | |
| Sep 9, 2024 (view filing)5:36 PM ET | Sep 6 | 3 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −10.0M | $15.03 | −$150.3M | −16.9%49.2M after | |
| Mar 6, 2024 (view filing)5:39 PM ET | Mar 4 | 2 days | Warburg Pincus & Co. and 7 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −16.6M | $14.31 | −$237.4M | −15.7%88.8M after | Duplicate filing |
| Mar 6, 2024 (view filing)5:38 PM ET | Mar 4 | 2 days | Warburg Pincus & Co. and 9 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −16.6M | $14.31 | −$237.4M | −15.7%88.8M after | |
| Mar 6, 2024 (view filing)5:35 PM ET | Mar 4 | 2 days | GTCR Co-Invest XI LP and 4 othersDirector, 10% Owner | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −11.1M | $14.31 | −$158.3M | −15.7%59.2M after | |
| Mar 6, 2024 (view filing) | Mar 4 | 2 days | Klee Ann R.Director | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −5.75K | $14.31 | −$82.3K | −6.2%86.7K after | |
| Mar 5, 2024 (view filing) | Mar 4 | 1 day | Rutz Michael PPresident of Sterigenics | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −83.1K | $14.31 | −$1.19M | −13.2%544.4K after | |
| Mar 5, 2024 (view filing) | Mar 4 | 1 day | Petras Michael B. Jr.Chairman & CEO | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −1.00M | $14.31 | −$14.4M | −15.5%5.45M after | |
| Aug 27, 2021 (view filing) | Aug 25 | 2 days | Rutz Michael PPresident of Sterigenics | SSaleCommon Stock, $0.01 par value per share ("Common Stock") | −67.0K | $25.03 | −$1.68M | −10.8%554.0K after |