Verkleeren Ronald L 4

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

AI-generated summary of this filing

Updated Apr 16, 2026

Corning (GLW) SVP Ronald Verkleeren Exercises Awards; Shares Withheld for Taxes

What Happened

Ronald L. Verkleeren, Senior Vice President, Emerging Innovations Group at Corning Incorporated (GLW), had equity awards convert to common stock on April 15, 2026. The filing shows conversions/exercises of 32,571 and 14,332 derivative units (total 46,903 shares) with an exercise/conversion price of $0 (these were award conversions, not purchases).
To satisfy tax withholding, 22,843 of the resulting shares were surrendered at an implied value of $168.27 per share, totaling $3,843,792. This withholding is recorded as a disposition to cover tax liability, not an open‑market sale.

Key Details

Transaction date: April 15, 2026; Form 4 filed April 16, 2026 (timely).
Conversions/exercises: 32,571 shares (M) and 14,332 shares (M) at $0.00 (acquired via award conversion).
Tax withholding/disposition: 22,843 shares (F) at $168.27 = $3,843,792 surrendered to cover taxes.
Shares owned after the transaction: Not specified in the provided filing.
Relevant footnotes: PSUs and RSUs represent contingent rights to one share each; certain earned PSUs/RSUs vest or remain restricted until specified future dates (see filing footnotes F1–F9). The conversion here reflects award vesting/conversion and withholding.

Context

These transactions are conversions of performance/restricted stock awards (derivative exercise/conversion), not purchases or open‑market sales. The 22,843‑share disposition is a standard tax withholding (common when awards vest) rather than a sentiment-driven sale.
Exercise/conversion price $0 indicates these were previously granted awards (PSUs/RSUs). No cash purchase was reported.

Form 4

Period: 2026-04-15

SVP Emerging Innovations Group

Transactions

Exercise/Conversion
Common Stock
2026-04-15+32,571→ 66,654 total
Exercise/Conversion
Common Stock
2026-04-15+14,332→ 80,986 total
Tax Payment
Common Stock
2026-04-15$168.27/sh−22,843$3,843,792→ 58,143 total
Exercise/Conversion
Performance Share Unit
[F1][F8]
2026-04-15−32,571→ 0 total
→ Common Stock (32,571 underlying)
Exercise/Conversion
Restricted Stock Unit
[F4][F9]
2026-04-15−14,332→ 0 total
→ Common Stock (14,332 underlying)

Holdings

Performance Share Unit
[F1][F2]
→ Common Stock (24,543 underlying)
24,543
Performance Share Unit
[F1][F3]
→ Common Stock (8,145 underlying)
8,145
Restricted Stock Unit
[F4][F5]
→ Common Stock (15,333 underlying)
15,333
Restricted Stock Unit
[F4][F6]
→ Common Stock (11,612 underlying)
11,612
Restricted Stock Unit
[F4][F7]
→ Common Stock (4,056 underlying)
4,056

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]Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
[F9]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.

Signature

Melissa J. Gambol, Power of Attorney|2026-04-16

1 file