Michael B. Petras Jr. - 17 Aug 2026 Form 4 Insider Report for Sotera Health Co (SHC)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
19 Aug 2026, 16:24:35 UTC
Prior SEC filing
04 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Gregory S. Harvey, Attorney-in-Fact

Key filing fact

Michael B. Petras Jr. filed Form 4 for Sotera Health Co (SHC) on 19 Aug 2026.

Key facts

  • This page summarizes Michael B. Petras Jr.'s Form 4 filing for Sotera Health Co (SHC).
  • 2 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 19 Aug 2026, 16:24.

Change

  • Previous filing in this sequence was filed on 04 Mar 2026.
  • Current net transaction value: -$21,174,786.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001832387 Primary reporting owner

Petras Michael B. Jr.

Relationship
Executive Chairman, Director
Address
C/O SOTERA HEALTH COMPANY, 9100 SOUTH HILLS BLVD, SUITE 300, BROADVIEW HEIGHTS
Signature
Gregory S. Harvey, Attorney-in-Fact
Signature date
19 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SHC transaction

Common Stock, $0.01 par value per share ("Common Stock")

Sale

Transaction value
$5,448,851
Shares
-294,515
Change %
-43%
Price
$18.50
Shares after
397,912
Date
17 Aug 2026
Ownership
Direct
Footnotes
F1
SHC transaction

Common Stock

Sale

Transaction value
$15,725,935
Shares
-850,000
Change %
-18%
Price
$18.50
Shares after
3,969,393
Date
17 Aug 2026
Ownership
By Grantor Trust
Footnotes
F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $18.50 - $18.855. The reporting person hereby undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

Footnote F2

Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $18.50 - $18.855. The reporting person hereby undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

SEC remarks

Exhibit 24.1 - Power of Attorney

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