Coherent director sells 5,315 shares at $305.99

COHERENT CORP. director Enrico Digirolomo disclosed a market sale and a same-day stock donation.

Available on EDGAR 09/15/2026 - 07:00 PM EDT Accepted by SEC EDGAR 09/15/2026 - 07:00 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

COHERENT CORP. (COHR) director Enrico Digirolomo reported two dispositions of Common Stock on September 11, 2026. He sold 5,315 shares in an open-market or private transaction at $305.985 per share and made a bona fide gift of 1,279 shares to a donor advised fund. No Rule 10b5-1 trading plan is reported for these trades.

Insider Trade Summary

Net Seller: 5,315 shares

Net Sell 2 txns

Insider Digirolomo Enrico

Role Director

Sold 5,315 shs ($1.63M)

Share of Position Sold 30.8%

Type	Security	Shares	Price	Value
Sale	Common Stock	5,315	$305.985	$1.63M
Gift	Common Stock F1	1,279	$0.00	$0.00

Holdings After Transaction: Common Stock — 10,644 shares (Direct)

Holdings Before and After: Common Stock, 17,238 to 10,644 shares (Direct)

Other Insiders: 5 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. Reports the donation of 1,279 shares of common stock to a donor advised fund.

Key Figures

Shares sold: 5,315 shares Sale price per share: $305.985 per share Shares gifted: 1,279 shares

3 metrics

Shares sold 5,315 shares Common stock sale reported for September 11, 2026

Sale price per share $305.985 per share Price for 5,315-share sale of common stock on September 11, 2026

Shares gifted 1,279 shares Bona fide gift of common stock to a donor advised fund on September 11, 2026

Key Terms

bona fide gift, donor advised fund, Rule 10b5-1 trading plan

3 terms

bona fide gift financial

"Described in the filing as a bona fide gift of shares."

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

donor advised fund financial

"Reports the donation of 1,279 shares of common stock to a donor advised fund."

A donor advised fund is a charitable savings account you fund with cash or assets (including stocks) that lets you take an immediate tax benefit while recommending when and which charities receive grants over time. Think of it like a dedicated piggy bank for giving: you get tax relief when you put money in, can avoid selling appreciated securities and triggering capital gains, and still control the timing and recipients of donations, which affects tax planning, portfolio decisions, and public giving signals.

Rule 10b5-1 trading plan regulatory

"The filing notes that no Rule 10b5-1 trading plan applied to these trades."

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did COHR director Enrico Digirolomo report on September 11, 2026?

He reported an open-market or private transaction selling 5,315 shares of COHERENT CORP. common stock at $305.985 per share and a bona fide gift of 1,279 shares of common stock on the same date.

How many COHR shares did Enrico Digirolomo sell and at what price?

Enrico Digirolomo sold 5,315 shares of COHERENT CORP. common stock at a price of $305.985 per share in an open-market or private transaction on September 11, 2026.

Did Enrico Digirolomo make any stock gifts involving COHR shares?

Yes. He reported a bona fide gift of 1,279 shares of COHERENT CORP. common stock on September 11, 2026, described in the filing as a donation to a donor advised fund.

Were the September 11, 2026 COHR transactions made under a Rule 10b5-1 plan?

No. The filing states that the reported transactions were not carried out under a Rule 10b5-1 trading plan, indicating they were not executed pursuant to a pre-arranged trading program.

What is the net effect of Enrico Digirolomo’s September 11, 2026 COHR Form 4?

The Form 4 shows a net disposition of COHERENT CORP. common stock, consisting of a sale of 5,315 shares and a gift of 1,279 shares. The filing does not state his total holdings after these transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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).

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^*

Digirolomo Enrico

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/11/2026

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	09/11/2026		S		5,315	D	$305.985	11,923	D
Common Stock	09/11/2026		G(1)		1,279	D	$0	10,644	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. Reports the donation of 1,279 shares of common stock to a donor advised fund.

	/s/ Christopher M. Forrester, Attorney-in-Fact	09/15/2026
	** 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)