COHR Form 4: 18,558 shares withheld at $111.1; 76,475 held

Rhea-AI Filing Summary

Coherent Corp. (COHR) CFO reported a routine tax-withholding transaction tied to equity vesting. On 10/11/2025, the officer had 18,558 shares of common stock withheld under transaction code F at a price of $111.1 per share to satisfy taxes upon restricted stock unit (RSU) vesting. Following the transaction, the officer beneficially owns 76,475 shares directly.

The filing notes an RSU grant of 79,056 shares on 10/11/2024: 15,902 RSUs vest in three equal annual installments beginning 10/11/2025, and 63,154 RSUs vest in two equal annual installments beginning the same date. A total of 36,877 shares vested on 10/11/2025, with 42,179 shares remaining to vest. The company states the withheld shares discharge tax obligations and do not represent an open-market sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Luther Sherri R

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	18,558	$111.10	$2.06M

Holdings After Transaction: Common Stock — 76,475 shares (Direct)

Footnotes (1)

1. Withheld shares are in connection with the vesting of a restricted stock unit award of 79,056 shares granted to the reporting person on October 11, 2024, of which 15,902 of the restricted stock units vest in three equal annual installments beginning on October 11, 2025, and 63,154 of the restricted stock units vest in two equal annual installments beginning on October 11, 2025. A total of 36,877 shares vested on October 11, 2025, with 42,179 shares remaining to vest. These shares were withheld by the company to discharge withholding tax obligations of the reporting person and do not constitute an actual sale or other open market transaction.

Form 4 Insider Transactions: What Each Field Means →

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

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

1. Name and Address of Reporting Person^*

Luther Sherri R

(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)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/11/2025

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	10/11/2025		F		18,558(1)(2)	D	$111.1	76,475	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

Explanation of Responses:

1. Withheld shares are in connection with the vesting of a restricted stock unit award of 79,056 shares granted to the reporting person on October 11, 2024, of which 15,902 of the restricted stock units vest in three equal annual installments beginning on October 11, 2025, and 63,154 of the restricted stock units vest in two equal annual installments beginning on October 11, 2025. A total of 36,877 shares vested on October 11, 2025, with 42,179 shares remaining to vest.

2. These shares were withheld by the company to discharge withholding tax obligations of the reporting person and do not constitute an actual sale or other open market transaction.

	/s/ Christopher M. Forrester, Attorney-in-Fact	10/14/2025
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did COHR’s CFO report on Form 4?

A tax-withholding transaction: 18,558 shares of common stock were withheld on 10/11/2025 under code F at $111.1 per share.

How many shares does the CFO hold after the transaction?

The officer beneficially owns 76,475 shares directly after the reported transaction.

What RSUs vested and what remains for COHR’s CFO?

36,877 shares vested on 10/11/2025, with 42,179 shares remaining to vest under the 10/11/2024 grant.

Was this an open-market sale of COHR shares?

No. The filing states the shares were withheld to satisfy tax obligations and do not constitute an open-market sale.

What are the vesting schedules for the RSU grant?

From the 79,056 RSU grant: 15,902 vest in three annual installments from 10/11/2025, and 63,154 vest in two annual installments from the same date.