Coherent (NASDAQ: COHR) CFO sells 3,000 shares in preset plan

Rhea-AI Filing Summary

COHERENT CORP. (COHR) reported that its Chief Financial Officer, Sherri R. Luther, sold 3,000 shares of common stock on August 18, 2026 at a price of $324.00 per share. After this transaction, she directly holds 64,475 shares of COHERENT CORP. common stock. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on November 13, 2025.

Insider Trade Summary 10b5-1

Net Seller: 3,000 shares

Net Sell 1 txn

Insider Luther Sherri R

Role Chief Financial Officer

Sold 3,000 shs ($972K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	3,000	$324.00	$972K

Holdings After Transaction: Common Stock — 64,475 shares (Direct)

Footnotes (1)

1. F1. The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 13, 2025.

Key Figures

Shares sold: 3,000 shares Sale price per share: $324.00 per share Post-transaction holdings: 64,475 shares +2 more

5 metrics

Shares sold 3,000 shares Common stock sale on August 18, 2026 by the CFO

Sale price per share $324.00 per share Price for the 3,000 common shares sold on August 18, 2026

Post-transaction holdings 64,475 shares Common shares directly held by the CFO after the sale

Net shares sold 3,000 shares Net sell direction across all reported transactions in this Form 4

Rule 10b5-1 plan adoption date November 13, 2025 Adoption date of trading plan governing the August 18, 2026 sale

Key Terms

Rule 10b5-1 trading plan, Form 4, non-derivative

3 terms

Rule 10b5-1 trading plan regulatory

"The sale transaction was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

"transaction_type": "non-derivative""

FAQ

What insider transaction did COHR disclose in this Form 4?

COHERENT CORP. disclosed that its CFO, Sherri R. Luther, sold 3,000 shares of common stock on August 18, 2026 at $324.00 per share in an open market or private sale transaction.

How many COHR shares does the CFO hold after this reported sale?

After the reported transaction, CFO Sherri R. Luther directly holds 64,475 shares of COHERENT CORP. common stock, as stated in the filing’s post-transaction ownership figure.

Was the COHR CFO’s August 18, 2026 stock sale under a Rule 10b5-1 plan?

Yes. The filing states the 3,000-share sale on August 18, 2026 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 13, 2025.

What was the total value of the COHR shares sold by the CFO?

The CFO sold 3,000 shares at $324.00 per share, for a reported transaction value of approximately $972,000, based on the stated per-share sale price and number of shares sold.

How many sell transactions are reported in this COHR Form 4?

The Form 4 reports one non-derivative transaction: a sale of 3,000 shares of COHERENT CORP. common stock. No derivative transactions, gifts, or option exercises are included in this filing.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/20/2026 - 04:08 PM Accepted by SEC EDGAR 08/20/2026 - 04:07 PM Learn about SEC filing dates

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^*

Luther Sherri R

(Last) (First) (Middle)

C/O COHERENT CORP.

375 SAXONBURG BOULEVARD

(Street)

SAXONBURG PENNSYLVANIA 16056

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/18/2026		S(1)		3,000	D	$324	64,475	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. The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 13, 2025.

	/s/ Christopher M. Forrester, Attorney-in-Fact	08/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)