Schlesinger Edward A 4

What Happened
Edward A. Schlesinger, Executive Vice President and CFO of Corning Inc. (GLW), converted/ exercised a total of 63,069 performance/restricted share units into common stock on 2026-04-15 (19,088 + 43,981). To satisfy tax withholding obligations, 30,715 shares were withheld at $168.27 per share, equal to $5,168,413. The conversions show $0 exercise price (these were award unit conversions, not option purchases).

Key Details

• Transaction date: April 15, 2026; Form 4 filed April 16, 2026 (next-day filing).
• Converted/Exercised: 63,069 performance/restricted units (19,088 + 43,981) @ $0 exercise price.
• Tax withholding: 30,715 shares withheld @ $168.27 = $5,168,413 (reported as payment of tax liability).
• Shares owned after the transaction: not specified in the filing.
• Footnotes: PSUs and RSUs are contingent rights to receive one share each; various PSU/RSU awards have vesting/settlement dates (some remain restricted until 2026–2029 per footnotes).
• Filing timeliness: no late filing indicated (filed 1 day after the transaction).

Context
This was an award conversion (performance share units / restricted stock units) rather than an open-market sale or purchase. The withholding of 30,715 shares to cover taxes is a routine, administrative step and should not be read as a discretionary sale signaling sentiment. For retail investors, conversions and tax-withholdings are common when awards vest; they differ from open-market insider purchases or sales.