FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Petras Michael B. Jr.
  2. Issuer Name and Ticker or Trading Symbol
Sotera Health Co [SHC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman & CEO
(Last)
(First)
(Middle)
C/O SOTERA HEALTH COMPANY, 9100 SOUTH HILLS BLVD, SUITE 300		 3. Date of Earliest Transaction (Month/Day/Year)
09/10/2024
(Street)

BROADVIEW HEIGHTS, OH 44147		 4. If Amendment, Date Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4) 		7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, $0.01 par value per share ("Common Stock") 09/10/2024   G   200,000 (1) D $ 0 5,253,580 I By Grantor Trust
Common Stock, $0.01 par value per share ("Common Stock")               699,749 (2) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5) 		6. Date Exercisable and Expiration Date
(Month/Day/Year) 		7. Title and Amount of Underlying Securities
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4) 		10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (3) $ 14.59               (4) 03/04/2034 Common Stock 544,509   544,509 D  
Stock Options (3) $ 17.59               (5) 03/06/2023 Common Stock 404,094   404,094 D  
Stock Options (3) $ 6.37               (6) 11/07/2032 Common Stock 2,108,356   2,108,356 D  
Stock Options (3) $ 20.03               (7) 03/02/2032 Common Stock 478,932   478,932 D  
Stock Options (3) $ 23               (8) 11/20/2030 Common Stock 1,118,012   1,118,012 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Petras Michael B. Jr.
C/O SOTERA HEALTH COMPANY
9100 SOUTH HILLS BLVD, SUITE 300
BROADVIEW HEIGHTS, OH 44147		       Chairman & CEO  

Signatures

 Gregory S. Harvey, Attorney-in-Fact   09/12/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents a gift of issuer securities by the reporting person to a charitable foundation. The recipient of the gifted securities has executed a lock-up agreement equivalent to the lock-up agreement entered into with respect to the September 6, 2024 registered stock offering.
(2) These securities consist of 543,910 RSUs and 155,839 shares of Common Stock.
(3) No transaction is being reported on this line. Reported on a previously filed Form 4.
(4) These options were granted on March 4, 2024, pursuant to the terms of a stock option agreement under the Sotera Health Company 2020 Omnibus Incentive Plan ("2020 Incentive Plan"). The options vest annually in three equal installments commencing March 2, 2025, subject to vesting conditions.
(5) These options were granted on March 6, 2023, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest annually in three equal installments commencing March 2, 2024, subject to vesting conditions.
(6) These options were granted on November 7, 2022, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest in three installments, as follows: 30%, 30%, and 40% of the options vest on each of the 12-month, 18-month, and 24-month anniversaries, respectively, of the date of grant, subject to the Reporting Person's continued service through each such date.
(7) These options were granted on March 2, 2022, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest in three equal installments on each of the first three anniversaries of the date of grant, subject to vesting conditions.
(8) These options were granted on November 20, 2020, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest in four equal installments on each of the first four anniversaries of the date of grant, subject to vesting conditions.
 
Remarks:
Exhibit 24.1 - Power of Attorney

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