Gullo Michelle L 4

What Happened
Michelle L. Gullo, Senior Vice President & Chief Human Resources Officer of Corning Inc. (GLW), sold 44 shares in an open-market transaction on January 29, 2026. The shares were sold at $102.39 per share for gross proceeds of $4,505.

Key Details

• Transaction date and type: 2026-01-29 — open-market sale (code S).
• Price and amount: 44 shares at $102.39 per share; total proceeds $4,505.
• Shares owned after transaction: Not disclosed in the provided filing excerpt.
• Filing date/timeliness: Form 4 filed 2026-01-30 (filed the next day; within the typical two-business-day reporting window).
• Footnote: F1 — the reporting person disclaims beneficial ownership of all securities held by spouse.

Context
This was a sale, which is often routine (e.g., for diversification, liquidity, or tax reasons) and does not by itself indicate the insider’s view of the company. No options were exercised and no awards or gifts were reported in this transaction.