CORNING INC /NY·4

Apr 16, 1:23 PM ET

Schlesinger Edward A 4

4 · CORNING INC /NY · Filed Apr 16, 2026

Research Summary

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Corning (GLW) CFO Edward Schlesinger Exercises Awards, Withholds Shares

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.

Insider Transaction Report

Form 4
Period: 2026-04-15
Schlesinger Edward A
Exec. Vice President and CFO
Transactions
  • Exercise/Conversion

    Common Stock

    2026-04-15+19,08874,560 total
  • Exercise/Conversion

    Common Stock

    2026-04-15+43,981118,541 total
  • Tax Payment

    Common Stock

    2026-04-15$168.27/sh30,715$5,168,41387,826 total
  • Exercise/Conversion

    Restricted Stock Unit

    [F4][F8]
    2026-04-1519,0880 total
    Common Stock (19,088 underlying)
  • Exercise/Conversion

    Performance Share Unit

    [F1][F9]
    2026-04-1543,9810 total
    Common Stock (43,981 underlying)
Holdings
  • Performance Share Unit

    [F1][F2]
    Common Stock (35,275 underlying)
    35,275
  • Performance Share Unit

    [F1][F3]
    Common Stock (16,953 underlying)
    16,953
  • Restricted Stock Unit

    [F4][F5]
    Common Stock (21,888 underlying)
    21,888
  • Restricted Stock Unit

    [F4][F6]
    Common Stock (24,327 underlying)
    24,327
  • Restricted Stock Unit

    [F4][F7]
    Common Stock (10,114 underlying)
    10,114
Footnotes (9)
  • [F1]Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
  • [F2]Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
  • [F3]Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.
  • [F4]Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.
  • [F5]The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.
  • [F6]The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.
  • [F7]The restricted stock units (RSUs) vest 100% on April 16, 2029. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.
  • [F8]The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.
  • [F9]Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
Signature
Melissa J. Gambol, Power of Attorney|2026-04-16

Documents

1 file
  • 4
    form4.xmlPrimary

    PRIMARY DOCUMENT