[Form 4] COHERENT CORP. Insider Trading Activity

Rhea-AI Filing Summary

Coherent Corp. (COHR) insider activity: the company’s EVP, General Management, reported option exercises and open‑market sales on 10/29/2025.

He exercised options to acquire 14,640 shares at $35.25, 17,760 shares at $49.90, and 27,080 shares at $36.56. He then sold 47,751 shares at a weighted average price of $140.4618 (range $140.00–$140.99) and 11,729 shares at a weighted average price of $141.1017 (range $141.00–$141.30). The sales were made under a Rule 10b5‑1 trading plan adopted on December 6, 2024.

Following these transactions, his directly held beneficial ownership was 223,864 shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BARBAROSSA GIOVANNI

(Last) (First) (Middle)

C/O COHERENT CORP.

375 SAXONBURG BOULEVARD

(Street)

SAXONBURG PA 16056

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COHERENT CORP. [ COHR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, General Management

3. Date of Earliest Transaction (Month/Day/Year)
10/29/2025

4. If Amendment, Date of 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

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	10/29/2025		M		14,640	A	$35.25	238,504	D
Common Stock	10/29/2025		M		17,760	A	$49.9	256,264	D
Common Stock	10/29/2025		M		27,080	A	$36.56	283,344	D
Common Stock	10/29/2025		S(1)		47,751	D	$140.4618(2)	235,593	D
Common Stock	10/29/2025		S(1)		11,729	D	$141.1017(3)	223,864	D

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 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: 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
Option (Right to Buy)	$35.25	10/29/2025		M			14,640	(4)	08/18/2027	Common Stock	14,640	$0.00	0.00	D
Option (Right to Buy)	$49.9	10/29/2025		M			17,760	(5)	08/28/2028	Common Stock	17,760	$0.00	0.00	D
Option (Right to Buy)	$36.56	10/29/2025		M			27,080	(6)	08/28/2029	Common Stock	27,080	$0.00	0.00	D

Explanation of Responses:

1. The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 6, 2024.

2. Represents the weighted average of multiple sale transactions ranging in price from $140.00 to $140.99. The reporting person agrees to provide full information regarding the number of shares sold at each separate price upon request by the SEC staff, the Company or a security holder of the Company.

3. Represents the weighted average of multiple sale transactions ranging in price from $141.00 to $141.30. The reporting person agrees to provide full information regarding the number of shares sold at each separate price upon request by the SEC staff, the Company or a security holder of the Company.

4. These options vest in four equal annual installments beginning on August 18, 2018.

5. These options vest in four equal annual installments beginning on August 28, 2019.

6. These options vest in four equal annual installments beginning on August 28, 2020.

	/s/ Christopher M. Forrester, Attorney-in-Fact	10/31/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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