Coherent Corp. Officer Julie S. Eng Files Form 144 to Sell $1.68M in Common Stock

Executive Summary

On September 1, 2026, Julie S. Eng, an Officer of COHERENT CORP. ($COHR), filed a Form 144 notice of proposed sale for 6,030 shares of common stock with an estimated aggregate market value of $1,675,314.90 (~$277.83 per share).

Transaction Details

• Filer: Julie S. Eng (Officer)
• Security: Common Stock
• Shares Proposed to be Sold: 6,030
• Aggregate Market Value: $1,675,314.90
• Approximate Sale Date: September 1, 2026
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services
• Source of Shares: Performance Stock Units acquired from the issuer on August 31, 2026
• Trading Plan: Executed pursuant to a Rule 10b5-1 trading plan adopted on November 21, 2025

Prior 3-Month Activity

• August 31, 2026: Sold 7,047 common shares for gross proceeds of $1,950,834.40 under a 10b5-1 plan.

Market Impact & Sentiment

The filing reflects planned liquidation of recently vested performance equity pursuant to a pre-established Rule 10b5-1 trading plan. Given the pre-scheduled nature and relatively modest size relative to total outstanding shares (195.8M shares), the market significance is considered Low.