Julie Sheridan Eng - 28 Aug 2026 Form 4 Insider Report for COHERENT CORP. (COHR)

Reporting relationship: Chief Technology Officer
Issuer ticker: COHR
Reported as of: 28 Aug 2026
Net transaction value: -$3,583,081
SEC form: 4
Accepted by SEC: 01 Sep 2026, 21:06:07 UTC
Prior SEC filing: 12 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Christopher M. Forrester, Attorney-in-Fact

Key filing fact

Julie Sheridan Eng filed Form 4 for COHERENT CORP. (COHR) on 01 Sep 2026.

Key facts

This page summarizes Julie Sheridan Eng's Form 4 filing for COHERENT CORP. (COHR).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 01 Sep 2026, 21:06.

Change

Previous filing in this sequence was filed on 12 Mar 2026.
Current net transaction value: -$3,583,081.

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 disclosures.

View source filing

Reporting Owners (1)

CIK 0001661122 Primary reporting owner

Eng Julie Sheridan

Relationship: Chief Technology Officer
Address: C/O COHERENT CORP., 375 SAXONBURG BOULEVARD, SAXONBURG
Signature: /s/ Christopher M. Forrester, Attorney-in-Fact
Signature date: 01 Sep 2026

Reported non-derivative transactions

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

COHR transaction

Common Stock

Award

Transaction value
Shares: +5,373
Change %: +11%
Price: $0.000000^*
Shares after: 55,006
Date: 28 Aug 2026
Ownership: Direct
Footnotes: F1, F2

COHR transaction

Common Stock

Award

Transaction value
Shares: +11,960
Change %: +22%
Price: $0.000000^*
Shares after: 66,966
Date: 28 Aug 2026
Ownership: Direct
Footnotes: F3

COHR transaction

Common Stock

Tax liability

Transaction value
Shares: -12,862
Change %: -19%
Price: $295.39^*
Shares after: 54,104
Date: 28 Aug 2026
Ownership: Direct
Footnotes: F4

COHR transaction

Common Stock

Sale

Transaction value: $1,950,834
Shares: -7,047
Change %: -13%
Price: $276.83
Shares after: 47,057
Date: 31 Aug 2026
Ownership: Direct
Footnotes: F5, F6

COHR transaction

Common Stock

Sale

Transaction value: $1,632,246
Shares: -6,030
Change %: -13%
Price: $270.69
Shares after: 41,027
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F7, F8

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 8 footnotes

Footnote F1

These shares represent a restricted stock unit award granted to the reporting person. One-third (1/3) of the restricted stock units will vest on August 28, 2027, and the remaining two-thirds (2/3) of the restricted stock units will vest in eight equal quarterly installments beginning on November 28, 2027.

Footnote F2

Includes 197 shares acquired in non-reportable transactions through Coherent Corp.'s employee stock purchase plan.

Footnote F3

Represents shares issued upon payout of Performance Stock Units granted in August 2023.

Footnote F4

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.

Footnote F5

The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

Footnote F6

Represents the weighted average of multiple sale transactions ranging in price from $275.20 to $281.69. The reporting person agrees to provide full information regarding the number of shares sold at each separate price upon request by the SEC staff, the Company or a security holder of the Company.

Footnote F7

The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

Footnote F8

Represents the weighted average of multiple sale transactions ranging in price from $265.61 to $275.36. The reporting person agrees to provide full information regarding the number of shares sold at each separate price upon request by the SEC staff, the Company or a security holder of the Company.