[Form 4] Coherent Corp. Insider Trading Activity

Rhea-AI Filing Summary

Coherent Corp. (COHR) reporting person Sherri R. Luther, Executive Vice President, Finance, received a grant of 15,692 restricted stock units on 08/28/2025. The award was granted at no cash purchase price and will vest in three equal annual installments starting 08/28/2026. After the grant, the reporting person beneficially owns 95,033 shares, which includes 285 shares acquired through the company’s employee stock purchase plan. The Form 4 was signed by an attorney-in-fact on 09/02/2025 and includes a reference to an Exhibit 24 power of attorney.

Positive

• 15,692 restricted stock units were granted to the EVP, Finance, indicating retention and alignment incentives
• The award vests in three equal annual installments beginning 08/28/2026, showing multi-year alignment
• Reporting person’s beneficial ownership increased to 95,033 shares, including 285 ESPP shares

Negative

• None.

Insights

Securities Analyst

TL;DR: Executive received time‑based RSUs increasing holdings to 95,033 shares; this is routine compensation, not a sale.

The filing documents a non‑cash grant of 15,692 restricted stock units to the EVP, Finance, on 08/28/2025. The award vests in three equal annual installments beginning 08/28/2026, indicating standard retention incentives rather than immediate liquidity events. Ownership after the grant is 95,033 shares, including 285 ESPP shares. The transaction code is an acquisition, not a disposition, so it does not signal insider selling pressure. Impact on share count and potential future dilution is limited to standard equity compensation practices disclosed here.

Corporate Governance Expert

TL;DR: Time‑based RSU grant aligns with common executive compensation governance practices.

The Form 4 shows a restricted stock unit award with multi‑year vesting, which is consistent with alignment and retention policies typically used by boards. The disclosure includes an Exhibit 24 power of attorney signature, reflecting procedural filing via attorney-in-fact. There are no dispositions, no exercise of derivatives, and no unusual timing or insider trading flags in this submission.

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
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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).

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^*

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)
	EVP, Finance

3. Date of Earliest Transaction (Month/Day/Year)
08/28/2025

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	08/28/2025		A		15,692(1)	A	$0	95,033(2)	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. These shares represent a restricted stock unit award granted to the reporting person. The award will vest in three equal annual installments beginning on August 28, 2026.

2. Includes 285 shares acquired in non-reportable transactions through Coherent Corp.'s employee stock purchase plan.

Remarks:

1. Exhibit 24 - Power of Attorney

	/s/ Christopher M. Forrester, Attorney-in-Fact	09/02/2025
	** 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 insider Sherri Luther receive according to the Form 4?

The Form 4 shows a grant of 15,692 restricted stock units to Sherri R. Luther on 08/28/2025.

When do the restricted stock units granted to COHR EVP vest?

The RSU award vests in three equal annual installments starting 08/28/2026.

How many COHR shares does the reporting person beneficially own after the transaction?

Following the reported transaction, the reporting person beneficially owns 95,033 shares, which includes 285 shares from the employee stock purchase plan.

Was the Form 4 transaction an acquisition or disposition for COHR insider activity?

The transaction code is listed as an acquisition (A); no dispositions were reported.

Is there any indication of derivative transactions or exercises in this Form 4 for COHR?

No derivative securities, exercises, or dispositions are reported in Table II of this Form 4.