Enrico Digirolomo - 06 Mar 2026 Form 4/A - Amendment Insider Report for COHERENT CORP. (COHR)

Reporting relationship: Director
Issuer ticker: COHR
Reported as of: 06 Mar 2026
Net transaction value: -$944,506
SEC form: 4/A - Amendment
Accepted by SEC: 02 Sep 2026, 20:09:44 UTC
Original report date: 09 Mar 2026
Prior SEC filing: 12 Feb 2026
Next SEC filing: 02 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Christopher M. Forrester, Attorney-in-Fact

Key filing fact

Enrico Digirolomo filed Form 4/A - Amendment for COHERENT CORP. (COHR) on 02 Sep 2026.

Key facts

This page summarizes Enrico Digirolomo's Form 4/A - Amendment filing for COHERENT CORP. (COHR).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Sep 2026, 20:09.

Change

Previous filing in this sequence was filed on 12 Feb 2026.
Current net transaction value: -$944,506.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001741413 Primary reporting owner

Digirolomo Enrico

Relationship: Director
Address: C/O COHERENT CORP., 375 SAXONBURG BOULEVARD, SAXONBURG
Signature: /s/ Christopher M. Forrester, Attorney-in-Fact
Signature date: 02 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

COHR transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,005
Change %: +4.7%
Price: $49.90^*
Shares after: 22,362
Date: 06 Mar 2026
Ownership: Direct

COHR transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,906
Change %: +13%
Price: $36.56^*
Shares after: 25,268
Date: 06 Mar 2026
Ownership: Direct

COHR transaction

Common Stock

Sale

Transaction value: $944,506
Shares: -3,911
Change %: -15%
Price: $241.50
Shares after: 21,357
Date: 06 Mar 2026
Ownership: Direct

COHR transaction

Common Stock

Gift

Transaction value
Shares: -1,847
Change %: -8.6%
Price: $0.000000^*
Shares after: 19,510
Date: 06 Mar 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

COHR transaction Derivative

Option (Right to Buy)

No transaction description listed

Transaction value
Shares: -1,005
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 06 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,005
Exercise price: $49.90
Footnotes: F2

COHR transaction Derivative

Option (Right to Buy)

No transaction description listed

Transaction value
Shares: -2,906
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 06 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,906
Exercise price: $36.56
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Reports the donation of 1,847 shares of common stock to a donor advised fund.

Footnote F2

These options vested in four equal annual installments beginning on August 28, 2019.

Footnote F3

These options vested in four equal annual installments beginning on August 28, 2020.

SEC remarks

The original Form 4 filed on March 9, 2026 (the "Original Filing") is amended by this Form 4/A solely to report shares of common stock acquired in connection with the exercise of stock options by the reporting person that were inadvertently omitted from the Original Filing. Column 5 of Table I has been updated to reflect the number of shares of common stock beneficially owned by the reporting person immediately following the reported acquisition that was omitted in the Original Filing. Other than the corrections reflected herein, no changes have been made to the transactions previously reported in the Original Filing.