Sotera Health Company (SHC) Insider Trading
Over the last 3 months, SHC insiders made 0 open-market buys and 3 sales, a net sale of -$24.0M (SEC Form 4). Over the last 6 months, 315 institutions increased and 126 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$24.0M
Insider trades by month Buys Sells
Sep
Nov
Dec
Mar
May
Aug
Context3-month price +21.3%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Petras Michael B. Jr.director, officer: Executive Chairman | Sell | 294,515 | $18.50 |
| Aug 19, 2026 | Petras Michael B. Jr.director, officer: Executive Chairman | Sell | 850,000 | $18.50 |
| Aug 11, 2026 | Rutz Michael Pofficer: President of Sterigenics | Sell | 150,000 | $18.84 |
| Aug 7, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Tax | 11,316 | $17.98 |
| May 27, 2026 | Kyle Richard Gdirector | Grant | 14,970 | — |
| May 27, 2026 | Krause Kenneth D.director | Grant | 14,970 | — |
| May 27, 2026 | CUNNINGHAM SEAN LAURENCEdirector | Grant | 14,970 | — |
| May 27, 2026 | Flynn Karendirector | Grant | 14,970 | — |
| May 27, 2026 | Neary Jamesdirector | Grant | 14,970 | — |
| May 27, 2026 | PETRELLA VINCENT Kdirector | Grant | 14,970 | — |
| May 27, 2026 | Chen Ruoxidirector | Grant | 14,970 | — |
| May 27, 2026 | Simon, Christopherdirector | Grant | 14,970 | — |
| May 27, 2026 | Wheadon David E.director | Grant | 14,970 | — |
| May 27, 2026 | Klee Ann R.director | Grant | 14,970 | — |
| May 27, 2026 | SHADER ALTONdirector, officer: Chief Executive Officer | Grant | 375,939 | — |
| May 27, 2026 | SHADER ALTONdirector, officer: Chief Executive Officer | Grant | 203,634 | — |
| May 27, 2026 | SHADER ALTONdirector, officer: Chief Executive Officer | Grant | 101,817 | — |
| May 15, 2026 | WARBURG PINCUS & CO.director, 10 percent owner: | Sell | 19,102,952 | $15.17 |
| May 15, 2026 | GTCR INVESTMENT XI LLCdirector, 10 percent owner: | Sell | 12,735,301 | $15.17 |
| Apr 2, 2026 | DIMITRIEF ALEXANDERofficer: Former SVP, GC and Sec. | Tax | 7,941 | $14.34 |
| Mar 10, 2026 | WARBURG PINCUS & CO.director, 10 percent owner: | Sell | 15,000,000 | $15.27 |
| Mar 10, 2026 | GTCR INVESTMENT XI LLCdirector, 10 percent owner: | Sell | 10,000,000 | $15.27 |
| Mar 4, 2026 | Petras Michael B. Jr.director, officer: Chairman & CEO | Tax | 31,339 | $15.91 |
| Mar 4, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Grant | 29,678 | — |
| Mar 4, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Grant | 59,355 | — |
| Mar 4, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Tax | 8,240 | $15.91 |
| Mar 4, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Tax | 23,988 | $15.91 |
| Mar 4, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Option | 17,937 | — |
| Mar 4, 2026 | Lyons Jonathan M.officer: Sr. Vice President, CFO | Tax | 6,046 | $15.91 |
| Mar 4, 2026 | DIMITRIEF ALEXANDERofficer: SVP, General Counsel and Sec. | Tax | 23,619 | $15.91 |
Source: SHC SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SHC positions over the last 6 months (SEC Form 13F).
Increased
315
New positions
118
Reduced
126
Sold out
37
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| Sessa Capital IM, L.P. | Increased | 27.1M | Aug 14, 2026 |
| Darsana Capital Partners LP | Increased | 27.0M | Aug 14, 2026 |
| DARSANA CAPITAL PARTNERS LP | Unchanged | 26.0M | May 15, 2026 |
| BlackRock, Inc. | Increased | 24.1M | Aug 7, 2026 |
| Sculptor Capital LP | Increased | 24.0M | Aug 14, 2026 |
| SESSA CAPITAL IM, L.P. | Increased | 23.1M | May 15, 2026 |
| SCULPTOR CAPITAL LP | Increased | 21.7M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 20.8M | May 13, 2026 |
| WARBURG PINCUS LLC | Reduced | 19.1M | May 15, 2026 |
| Sachem Head Capital Management LP | Increased | 15.6M | Aug 14, 2026 |
| GTCR LLC | Reduced | 12.7M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 12.2M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 11.9M | Aug 13, 2026 |
| SACHEM HEAD CAPITAL MANAGEMENT LP | Unchanged | 11.6M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 10.7M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.