0000947871-25-000828.txt : 20250902 0000947871-25-000828.hdr.sgml : 20250902 20250902170524 ACCESSION NUMBER: 0000947871-25-000828 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20250828 FILED AS OF DATE: 20250902 DATE AS OF CHANGE: 20250902 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mocciaro Ilaria CENTRAL INDEX KEY: 0001691463 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39375 FILM NUMBER: 251286453 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 2025-08-28 0 0000820318 COHERENT CORP. COHR 0001691463 Mocciaro Ilaria C/O COHERENT CORP. 375 SAXONBURG BOULEVARD SAXONBURG PA 16056 0 1 0 0 SVP, Finance 0 Common Stock 2025-08-28 4 A 0 4130 0 A 26422 D Common Stock 2025-08-28 4 F 0 1012 90.71 D 25410 D These shares represent a restricted stock unit award granted to the reporting person. The award will vest in three equal annual installments beginning on August 28, 2026. 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. 1. Exhibit 24 - Power of Attorney /s/ Christopher M. Forrester, Attorney-in-Fact 2025-09-02 EX-24 2 ss5270573_ex24.htm 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, Aaron Wax, 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:

Stephen Skaggs

Julie S. Eng

Sandeep Vij

David L. Motley

Ilaria Mocciaro

Elizabeth A. Patrick

Michelle Sterling

James R. Anderson

Sherri Renee Luther

Robert P. Beard

In accordance with the authority granted under each Power of Attorney, including the full power of substitution, the undersigned hereby appoints 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, 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.

For the avoidance of doubt, the foregoing appointment shall not serve as a revocation of the powers granted to the undersigned himself in each Power of Attorney.

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/ Aaron Wax
Name: Aaron Wax

We accept this appointment and substitution:

Signature: /s/ Chris Forrester
Name: Chris Forrester

Signature: /s/ Yian Huang
Name: Yian Huang