Compensation award — excluded from discretionary-purchase analysis.
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
May 26, 2026
Reporting period
Not applicable
Filed with the SEC
May 27, 2026
CEOGrant / award
Context
Classification
grant award
Code A — grant or award
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-26-242277
Filed / recorded
May 27, 2026, 9:54 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
Alton Shader
Relationship
Director, Officer
Officer title
Chief Executive Officer
Security
Share Appreciation Units
Table
Derivative (Table II)
Transaction date
May 26, 2026
Transaction code
A
Shares / units
101,817
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
101,817
Ownership form
Direct
Amendment
No
Footnotes from the filing
These securities consist of a maximum number of performance-based share appreciation units ("SAUs") that were granted on May 26, 2026, pursuant to the terms of a SAU Agreement under the 2020 Incentive Plan. Each SAU represents the Reporting Person's right to receive one share of Common Stock subject to stock-price-related performance conditions. The SAUs generally vest annually over three years in equal installments, commencing March 2, 2027, subject to performance.