[Form 4] Coherent Corp. Insider Trading Activity

Rhea-AI Filing Summary

Reporting person: Ilaria Mocciaro, SVP Finance and officer of Coherent Corp. (COHR). This Form 4 reports transactions on 08/28/2025 involving common stock and related withholding.

The filing shows a grant of 4,130 restricted stock units (RSUs) awarded with a $0 per-share price; these RSUs will vest in three equal annual installments beginning August 28, 2026. Following that award, the reporting person held 26,422 shares beneficially. Separately, 1,012 shares were withheld by the company to satisfy tax withholding obligations at an effective price of $90.71, leaving 25,410 shares after withholding.

Positive

• 4,130 RSU award granted to the SVP, indicating management retention incentives
• Vesting schedule disclosed: RSUs vest in three equal annual installments beginning 08/28/2026, providing clarity on future dilution timing
• No open-market sale reported; shares withheld were solely to satisfy tax withholding obligations

Negative

• 1,012 shares withheld to cover tax obligations, reducing the reporting person's net share count
• Grant adds potential future dilution of 4,130 shares when RSUs vest

Insights

Financial Analyst

TL;DR Routine RSU grant for an executive with standard tax withholding; no market-moving information.

The Form 4 documents a non-cash equity award of 4,130 RSUs and the company withholding 1,012 shares to satisfy taxes at $90.71 per share. The award vests over three years beginning August 28, 2026, indicating standard retention-focused compensation. There is no sale or open-market disposition reported, and the overall change in beneficial ownership is modest relative to typical executive equity stakes. This disclosure is administrative and unlikely to materially affect valuation.

Corporate Governance Expert

TL;DR Compensation-related disclosure consistent with governance norms; vesting schedule aligns with retention practices.

The reported RSU award and three-year vesting schedule align with common practices to incentivize retention. Share withholding to cover tax obligations is explicitly disclosed and noted as not representing a market sale. The filing is complete with a power-of-attorney signature and provides clear timing for vesting, supporting transparent insider reporting and governance compliance.

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^*

Mocciaro Ilaria

(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)
	SVP, 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		4,130(1)	A	$0	26,422	D
Common Stock	08/28/2025		F		1,012(2)	D	$90.71	25,410	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. 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.

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 transactions did Ilaria Mocciaro report on Form 4 for COHR?

The Form 4 reports an award of 4,130 RSUs on 08/28/2025 and the withholding of 1,012 shares to satisfy tax obligations at $90.71 per share.

When do the granted RSUs vest for COHR insider Ilaria Mocciaro?

The RSU award vests in three equal annual installments beginning August 28, 2026.

Did the reporting person sell any COHR shares in this filing?

No. The 1,012 shares were withheld by the company for tax withholding and do not constitute an open-market sale.

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

After the reported transactions the reporting person beneficially owned 25,410 shares.

What is the significance of the $0 price listed for the RSU award?

The $0 price reflects that the 4,130 RSUs are a grant (not a purchased purchase) and will convert to common stock upon vesting.