Ronald L. Verkleeren

Companies

• Corning Inc.Senior VP & GM, Life Sciences Oct 9, 2020 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Corning Inc. GLW48,143 shares²$6.4M at $132.00May 13, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 13, 2026Sold 10,000 shares at $207.77 of Corning Inc.²
• Apr 15, 2026Shares withheld for tax 22,843 shares at $168.27 of Corning Inc.³
• Apr 15, 2026Exercised options 14,332 shares of Corning Inc.³
• Apr 15, 2026Exercised options 32,571 shares of Corning Inc.³
• Feb 9, 2026Shares withheld for tax 893 shares at $131.39 of Corning Inc.⁴
• Feb 9, 2026Exercised options 2,476 shares of Corning Inc.⁴
• Feb 4, 2026Shares withheld for tax 1,286 shares at $109.69 of Corning Inc.⁵
• Feb 4, 2026Exercised options 591 shares of Corning Inc.⁵
• Feb 4, 2026Exercised options 395 shares of Corning Inc.⁵
• Feb 4, 2026Exercised options 300 shares of Corning Inc.⁵
• Jan 2, 2026Shares withheld for tax 575 shares at $90.67 of Corning Inc.⁶
• Jan 2, 2026Exercised options 575 shares of Corning Inc.⁶
• Dec 19, 2025Gift 2,000 shares of Corning Inc.⁷
• Dec 10, 2025Sold 21,000 shares at $94.69 of Corning Inc.⁸
• Nov 21, 2025Shares withheld for tax 2,883 shares at $79.46 of Corning Inc.⁹
• Nov 21, 2025Exercised options 663 shares of Corning Inc.⁹
• Nov 21, 2025Exercised options 794 shares of Corning Inc.⁹
• Nov 21, 2025Exercised options 737 shares of Corning Inc.⁹
• Nov 21, 2025Exercised options 689 shares of Corning Inc.⁹
• Aug 8, 2025Shares withheld for tax 1,264 shares at $65.77 of Corning Inc.¹⁰
• Aug 8, 2025Exercised options 2,476 shares of Corning Inc.¹⁰
• Jun 11, 2025Sold 20,000 shares at $50.52 of Corning Inc.¹¹
• Apr 15, 2025Shares withheld for tax 18,368 shares at $41.78 of Corning Inc.¹²
• Apr 15, 2025Exercised options 14,439 shares of Corning Inc.¹²
• Apr 15, 2025Exercised options 21,539 shares of Corning Inc.¹²

Trade performance

Returns are price-only (no dividends), measured from the trade date.