=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-08-28
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: COHERENT CORP. (COHR)
CIK: 0000820318
--- Reporting Owner ---
Name: Eng Julie Sheridan
CIK: 0001661122
Role: Officer (Chief Technology Officer)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-08-28 | Code: A (Grant or award)
Shares: +5,373 | Price: $0.00
Shares Owned After: 55,006 | Ownership: D (Direct)
Footnotes:
[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.
[F2] Includes 197 shares acquired in non-reportable transactions through Coherent Corp.'s employee stock purchase plan.
[Transaction #2]
Security: Common Stock
Date: 2026-08-28 | Code: A (Grant or award)
Shares: +11,960 | Price: $0.00
Shares Owned After: 66,966 | Ownership: D (Direct)
Footnotes:
[F3] Represents shares issued upon payout of Performance Stock Units granted in August 2023.
[Transaction #3]
Security: Common Stock
Date: 2026-08-28 | Code: F (Payment of exercise/tax)
Shares: -12,862 | Price: $295.39
Total Value: $3,799,306.18
Shares Owned After: 54,104 | Ownership: D (Direct)
Footnotes:
[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.
[Transaction #4]
Security: Common Stock
Date: 2026-08-31 | Code: S (Open market sale)
Shares: -7,047 | Price: $276.83
Total Value: $1,950,834.40
Shares Owned After: 47,057 | Ownership: D (Direct)
Footnotes:
[F5] The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
[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.
[Transaction #5]
Security: Common Stock
Date: 2026-09-01 | Code: S (Open market sale)
Shares: -6,030 | Price: $270.69
Total Value: $1,632,246.23
Shares Owned After: 41,027 | Ownership: D (Direct)
Footnotes:
[F7] The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
[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.
--- Footnotes (Complete Index) ---
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.
F2: Includes 197 shares acquired in non-reportable transactions through Coherent Corp.'s employee stock purchase plan.
F3: Represents shares issued upon payout of Performance Stock Units granted in August 2023.
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.
F5: The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
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.
F7: The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
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.
--- Signature ---
/s/ /s/ Christopher M. Forrester, Attorney-in-Fact (2026-09-01)