Insider trade

Director sold ~$193M of SHC shares in the open market

Traded May 13, 2026 · Filed May 15, 2026

Sotera HealthSHC

~$193M
Approx. value · 12.7M sh @ $15.17: +17.9%
stock since the trade · S&P 500 +5.0%, $15.48 → $18.25 on Oct 6

Why it stands out

A Sotera Health director sold $193M of Sotera Health shares. The filing does not indicate a pre-arranged trading plan.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: May 13, 2026
Reporting period: Not applicable
Filed with the SEC: May 15, 2026

DirectorIndirect holding$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$193,169,046

Shares × reported transaction price

Timing vs results

8 days after results of May 5, 2026, 85 days before results of Aug 6, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+4.0%	+1.6%	+2.4%
30 days	+0.7%	+0.3%	+0.4%
90 days	+22.5%	+4.6%	+17.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-26-227029
Filed / recorded: May 15, 2026, 8:41 PM UTC
Added to OQRO: Oct 6, 2026, 9:10 PM UTC
Parser: form4-xml-v2
Data quality: Verified: identifiers matched exactly
Issuer: Sotera Health Co
Issuer CIK: 1822479
Ticker: SHC
Reporting person: GTCR INVESTMENT XI LLC
Relationship: Director, 10% owner
Security: Common Stock, $0.01 par value per share ("Common Stock")
Table: Non-derivative (Table I)
Transaction date: May 13, 2026
Transaction code: S
Shares / units: 12,735,301
Price per share: $15.17
Acquired / disposed: Disposed (D)
Shares owned after: 0
Ownership form: Indirect — See Footnote
Amendment: No

Footnotes from the filing

On May 13, 2026, GTCR Fund XI/A LP, a Delaware limited partnership ("Fund XI/A"), GTCR Fund XI/C LP, a Delaware limited partnership ("Fund XI/C"), and GTCR Co-Invest XI LP, a Delaware limited partnership ("Co-Invest XI", and together with Fund XI/A and Fund XI/C, the "GTCR XI Funds"), sold a total of 12,735,301 shares of Common Stock of Sotera Health Company in an underwritten public secondary offering.
GTCR Partners XI/A&C LP ("Partners XI/A&C") is the general partner of each of Fund XI/A and Fund XI/C. GTCR Investment XI LLC ("Investment XI" and together with the GTCR XI Funds and Partners XI/A&C, the "GTCR Entities"), is the general partner of Co-Invest XI and Partners XI/A&C. Investment XI is managed by a board of managers (the "GTCR Board of Managers") consisting of Mark M. Anderson, Aaron D. Cohen, Sean L. Cunningham, David A Donnini, Constantine S. Mihas and Collin E. Roche, and no single person has voting or dispositive authority over the shares of Common Stock.
Each of Partners XI/A&C, Investment XI and the GTCR Board of Managers may be deemed to share beneficial ownership of the shares of Common Stock held of record by the GTCR XI Funds, and each of the individual members of the GTCR Board of Managers disclaims beneficial ownership of the shares of Common Stock held of record by the GTCR XI Funds except to the extent of his pecuniary interest therein.
Each of the reporting persons is a director-by-deputization solely for purposes of Section 16 of the Exchange Act. Information with respect to each of the GTCR Entities is given solely by such GTCR Entity, and no GTCR Entity has responsibility for the accuracy or completeness of information supplied by another GTCR Entity.