0000947871-25-000573.txt : 20250529 0000947871-25-000573.hdr.sgml : 20250529 20250529173050 ACCESSION NUMBER: 0000947871-25-000573 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20250528 FILED AS OF DATE: 20250529 DATE AS OF CHANGE: 20250529 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Neal-Graves Lisa CENTRAL INDEX KEY: 0001896118 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39375 FILM NUMBER: 251004973 MAIL ADDRESS: STREET 1: C/O COHERENT CORP. STREET 2: 375 SAXONBURG BOULEVARD CITY: SAXONBURG STATE: PA ZIP: 16056 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COHERENT CORP. CENTRAL INDEX KEY: 0000820318 STANDARD INDUSTRIAL CLASSIFICATION: OPTICAL INSTRUMENTS & LENSES [3827] ORGANIZATION NAME: 08 Industrial Applications and Services EIN: 251214948 STATE OF INCORPORATION: PA FISCAL YEAR END: 0630 BUSINESS ADDRESS: STREET 1: 375 SAXONBURG BLVD CITY: SAXONBURG STATE: PA ZIP: 16056 BUSINESS PHONE: 724-352-4455 MAIL ADDRESS: STREET 1: 375 SAXONBURG BLVD CITY: SAXONBURG STATE: PA ZIP: 16056 FORMER COMPANY: FORMER CONFORMED NAME: II-VI INC DATE OF NAME CHANGE: 19920703 4 1 ownership.xml X0508 4 2025-05-28 0 0000820318 COHERENT CORP. COHR 0001896118 Neal-Graves Lisa C/O COHERENT CORP. 375 SAXONBURG BOULEVARD SAXONBURG PA 16056 1 0 0 0 0 Common Stock 2025-05-28 4 S 0 1200 79.6477 D 12682 D Exhibit 24 - Power of Attorney /s/ Christopher M. Forrester, Attorney-in-Fact 2025-05-28 EX-24 2 ss4883101_ex24.htm SUBSTITUTE POWER OF ATTORNEY

SUBSTITUTE POWER OF ATTORNEY

Under the terms of powers of attorney (each, a “Power of Attorney”) previously filed with the U.S. Securities and Exchange Commission, the undersigned, Jeffrey W. Acre was appointed an attorney-in-fact to, among other things, execute for and on behalf of the following individuals any Forms 3, 4 and 5 or any amendments thereto, in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules thereunder:

Christopher Koeppen

Giovanni Barbarossa

Michael L. Dreyer

Patricia Hatter

Lisa Neal-Graves

Shaker Sadasivam

Howard H. Xia

Joseph J. Corasanti

Enrico Digirolamo

In accordance with the authority granted under each Power of Attorney, including the full power of substitution, the undersigned hereby appoints Aaron Wax, Chris Forrester and Yian Huang as substitute attorneys-in-fact, on behalf of the individuals listed above, with the power to exercise and execute all of the powers granted or conferred in the original Power of Attorney. By their signatures as attorneys-in-fact to this Substitute Power of Attorney, Aaron Wax, Chris Forrester and Yian Huang accept such appointment and agree to assume from the undersigned any and all duties and responsibilities attendant to their capacity as attorneys-in-fact.

This Substitute Power of Attorney shall remain in full force and effect until the underlying Power of Attorney is revoked or terminated, unless earlier revoked by the undersigned in a signed writing.

IN WITNESS WHEREOF, the undersigned has caused this Substitute Power of Attorney to be executed as of March 18, 2025.

Signature: /s/ Jeffrey W. Acre
Name: Jeffrey W. Acre

We accept this appointment and substitution:

Signature: /s/ Aaron Wax
Name: Aaron Wax

Signature: /s/ Chris Forrester
Name: Chris Forrester

Signature: /s/ Yian Huang
Name: Yian Huang