SKAGGS STEPHEN A 4

What Happened

• Stephen A. Skaggs, a director of Coherent Corp. (COHR), sold 3,523 shares in an open-market transaction on March 9, 2026. The weighted-average sale price was $243.13, generating total proceeds of approximately $856,550. This was a sale (not a purchase).

Key Details

• Transaction date: 2026-03-09 (reported on Form 4 filed 2026-03-11).
• Transaction type: Open-market sale (Code S).
• Shares sold: 3,523; weighted-average price: $243.13; total proceeds: ~$856,550.
• Price range: sales occurred at prices from $237.90 to $250.00 (weighted average reported). Reporting person can provide per-price breakdown on request (footnote).
• Footnotes: F1 — Sale was executed pursuant to a Rule 10b5-1 trading plan adopted December 3, 2025. F2 — Weighted average reflects multiple sale prices; breakdown available upon request.
• Shares owned after transaction: Not disclosed in the items provided in this summary.
• Filing timeliness: Form 4 was filed two days after the transaction date (filed 2026-03-11 for a 2026-03-09 transaction), which is within the typical Form 4 reporting window.

Context

• A 10b5-1 trading plan indicates the sale was made under a prearranged plan, which is commonly used to avoid questions about trading on material nonpublic information. Sales are often routine and do not by themselves indicate a change in an insider’s long-term view.