FORM 4
☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.         
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

SADASIVAM SHAKER		 2. Issuer Name and Ticker or Trading Symbol

COHERENT CORP. [ COHR ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle)

P O BOX 8		 3. Date of Earliest Transaction (MM/DD/YYYY)

6/3/2025
(Street)

SAINT PETERS, MO 63376		 4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 6/3/2025  M  9,240 A$21.67 52,382 D  
Common Stock 6/3/2025  M  5,700 A$35.25 58,082 D  
Common Stock 6/3/2025  M  4,020 A$49.9 62,102 D  
Common Stock 6/3/2025  M  5,812 A$36.56 67,914 D  
Common Stock 6/3/2025  S  29,292 D$80 38,622 D  

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Option (Right to buy) $21.67 6/3/2025  M   9,240     (1)8/20/2026 Common Stock 9,240 $0 0 D  
Option (Right to buy) $35.25 6/3/2025  M   5,700     (2)8/18/2027 Common Stock 5,700 $0 0 D  
Option (Right to buy) $49.9 6/3/2025  M   4,020     (3)8/28/2028 Common Stock 4,020 $0 0 D  
Option (Right to buy) $36.56 6/3/2025  M   5,812     (4)8/28/2029 Common Stock 5,812 $0 0 D  
Explanation of Responses:
(1) These options vested in four equal annual installments beginning on August 20, 2017.
(2) These options vested in four equal annual installments beginning on August 18, 2018.
(3) These options vested in four equal annual installments beginning on August 28, 2019.
(4) These options vested in four equal annual installments beginning on August 28, 2020.

Remarks:
Exhibit 24 - Power of Attorney

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
SADASIVAM SHAKER
P O BOX 8
SAINT PETERS, MO 63376		X
Signatures
/s/ Christopher M. Forrester, Attorney-in-Fact6/5/2025
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*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).
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SUBSTITUTE POWER OF ATTORNEY

Under the terms of powers of attorney (each, a “Power of Attorney”) previously filed with the U.S. Securities and Exchange Commission, the undersigned, Jeffrey W. Acre was appointed an attorney-in-fact to, among other things, execute for and on behalf of the following individuals any Forms 3, 4 and 5 or any amendments thereto, in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules thereunder:

Christopher Koeppen

Giovanni Barbarossa

Michael L. Dreyer

Patricia Hatter

Lisa Neal-Graves

Shaker Sadasivam

Howard H. Xia

Joseph J. Corasanti

Enrico Digirolamo

In accordance with the authority granted under each Power of Attorney, including the full power of substitution, the undersigned hereby appoints Aaron Wax, Chris Forrester and Yian Huang as substitute attorneys-in-fact, on behalf of the individuals listed above, with the power to exercise and execute all of the powers granted or conferred in the original Power of Attorney. By their signatures as attorneys-in-fact to this Substitute Power of Attorney, Aaron Wax, Chris Forrester and Yian Huang accept such appointment and agree to assume from the undersigned any and all duties and responsibilities attendant to their capacity as attorneys-in-fact.

This Substitute Power of Attorney shall remain in full force and effect until the underlying Power of Attorney is revoked or terminated, unless earlier revoked by the undersigned in a signed writing.

IN WITNESS WHEREOF, the undersigned has caused this Substitute Power of Attorney to be executed as of March 18, 2025.

Signature: /s/ Jeffrey W. Acre
Name: Jeffrey W. Acre

We accept this appointment and substitution:

Signature: /s/ Aaron Wax
Name: Aaron Wax

Signature: /s/ Chris Forrester
Name: Chris Forrester

Signature: /s/ Yian Huang
Name: Yian Huang