Coherent Corp. (COHR) CTO sells 1,454 shares under 10b5-1 plan

Rhea-AI Filing Summary

COHERENT CORP. Chief Technology Officer Julie Sheridan Eng reported an open-market sale of 1,454 shares of Common Stock on March 10, 2026 at an average price of $258.18 per share. After this transaction, she directly holds 49,436 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 21, 2025, indicating it was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 1,454 shares ($375,394)

Net Sell 1 txn

Insider Eng Julie Sheridan

Role Chief Technology Officer

Sold 1,454 shs ($375K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,454	$258.18	$375K

Holdings After Transaction: Common Stock — 49,436 shares (Direct)

Footnotes (1)

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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

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^*

Eng Julie Sheridan

(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 Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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	03/10/2026		S(1)		1,454	D	$258.18	49,436	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. The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

	/s/ Christopher M. Forrester, Attorney-in-Fact	03/12/2026
	** 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 insider transaction did Coherent (COHR) report for its CTO?

Coherent’s Chief Technology Officer Julie Sheridan Eng sold 1,454 shares of Common Stock in an open-market transaction at an average price of $258.18 on March 10, 2026. Following the sale, she directly holds 49,436 Coherent shares.

Was the Coherent (COHR) CTO’s share sale part of a 10b5-1 trading plan?

Yes. The filing states the 1,454-share sale was executed under a Rule 10b5-1 trading plan adopted on November 21, 2025. Such plans pre-schedule trades, suggesting the timing reflects a preset program rather than a new discretionary decision.

How many Coherent (COHR) shares does the CTO hold after the reported sale?

After selling 1,454 shares, Coherent’s Chief Technology Officer directly holds 49,436 shares of Common Stock. This context shows she retains a substantial continuing equity position in the company despite the relatively small open-market sale.

What price did the Coherent (COHR) CTO receive for the sold shares?

The reported open-market sale of 1,454 Coherent shares took place at an average price of $258.18 per share. This figure reflects the weighted average transaction price disclosed, not necessarily a single trade execution level.

Does the Form 4 for Coherent (COHR) show any option exercises or derivative trades?

No derivative transactions are listed in this Form 4. The filing reports only a single non-derivative open-market sale of 1,454 Common Stock shares, and the derivative position summary is empty, indicating no option exercises or similar activity in this report.