Key facts
- This page summarizes Giovanni Barbarossa's Form 4 filing for COHERENT CORP. (COHR).
- 8 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 31 Oct 2025, 19:50.
Giovanni Barbarossa - 29 Oct 2025 Form 4 Insider Report for COHERENT CORP. (COHR)
- Reporting relationship
- EVP, General Management
- Issuer ticker
- COHR
- Reported as of
- 29 Oct 2025
- Net transaction value
- -$5,969,844
- SEC form
- 4
- Accepted by SEC
- 31 Oct 2025, 19:50:23 UTC
- Prior SEC filing
- 02 Sep 2025
- Next SEC filing
- 10 Nov 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Christopher M. Forrester, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Giovanni Barbarossa filed Form 4 for COHERENT CORP. (COHR) on 31 Oct 2025.
Change
- Previous filing in this sequence was filed on 02 Sep 2025.
- Current net transaction value: -$5,969,844.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001237685
Primary reporting owner
BARBAROSSA GIOVANNI
- Relationship
- EVP, General Management
- Address
- C/O COHERENT CORP., 375 SAXONBURG BOULEVARD, SAXONBURG
- Signature
- /s/ Christopher M. Forrester, Attorney-in-Fact
- Signature date
- 31 Oct 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
COHR
transaction
Common Stock
Options Exercise
- Transaction value
- $516,060
- Shares
- +14,640
- Change %
- +6.5%
- Price
- $35.25
- Shares after
- 238,504
- Date
- 29 Oct 2025
- Ownership
- Direct
COHR
transaction
Common Stock
Options Exercise
- Transaction value
- $886,224
- Shares
- +17,760
- Change %
- +7.4%
- Price
- $49.90
- Shares after
- 256,264
- Date
- 29 Oct 2025
- Ownership
- Direct
COHR
transaction
Common Stock
Options Exercise
- Transaction value
- $990,045
- Shares
- +27,080
- Change %
- +11%
- Price
- $36.56
- Shares after
- 283,344
- Date
- 29 Oct 2025
- Ownership
- Direct
COHR
transaction
Common Stock
Sale
- Transaction value
- $6,707,191
- Shares
- -47,751
- Change %
- -17%
- Price
- $140.46
- Shares after
- 235,593
- Date
- 29 Oct 2025
- Ownership
- Direct
- Footnotes
- F1, F2
COHR
transaction
Common Stock
Sale
- Transaction value
- $1,654,982
- Shares
- -11,729
- Change %
- -5%
- Price
- $141.10
- Shares after
- 223,864
- Date
- 29 Oct 2025
- Ownership
- Direct
- Footnotes
- F1, F3
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
COHR
transaction
Derivative
Option (Right to Buy)
Options Exercise
- Transaction value
- $0
- Shares
- -14,640
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 29 Oct 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 14,640
- Exercise price
- $35.25
- Footnotes
- F4
COHR
transaction
Derivative
Option (Right to Buy)
Options Exercise
- Transaction value
- $0
- Shares
- -17,760
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 29 Oct 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 17,760
- Exercise price
- $49.90
- Footnotes
- F5
COHR
transaction
Derivative
Option (Right to Buy)
Options Exercise
- Transaction value
- $0
- Shares
- -27,080
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 29 Oct 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 27,080
- Exercise price
- $36.56
- Footnotes
- F6
* 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 6 footnotes
Footnote F1
The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 6, 2024.
Footnote F2
Represents the weighted average of multiple sale transactions ranging in price from $140.00 to $140.99. 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 F3
Represents the weighted average of multiple sale transactions ranging in price from $141.00 to $141.30. 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 F4
These options vest in four equal annual installments beginning on August 18, 2018.
Footnote F5
These options vest in four equal annual installments beginning on August 28, 2019.
Footnote F6
These options vest in four equal annual installments beginning on August 28, 2020.