Derivative exercise or conversion — not an open-market buy.
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 OwnershipAll the details
Dates, kept separate
Transaction date
Mar 2, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 5, 2026
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-26-092231
Filed / recorded
Mar 5, 2026, 2:17 AM 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
Michael B. Jr. Petras
Relationship
Director, Officer
Officer title
Chairman & CEO
Security
Share Appreciation Units
Table
Derivative (Table II)
Transaction date
Mar 2, 2026
Transaction code
M
Shares / units
89,686
Acquired / disposed
Disposed (D)
Shares owned after
59,790
Ownership form
Direct
Amendment
No
Footnotes from the filing
These securities consist of performance-based share appreciation units ("SAUs") (formerly called performance stock units) that were granted on March 3, 2025, pursuant to the terms of a SAU Agreement under the 2020 Incentive Plan. Each SAU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the SAUs, the Reporting Person vested in 89,686 shares of Common Stock on March 2, 2026. The remaining SAUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance.