Verkleeren Ronald L — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Verkleeren Ronald L has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $2.08M.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-14GLWCORNING INC /NYS — Open-market sale10.0K$207.77$2.08M
2026-04-16GLWCORNING INC /NYF — Tax withholding / forfeiture22.8K$168.27$3.84M
2026-04-16GLWCORNING INC /NYM — Option exercise14.3K$0.00
2026-04-16GLWCORNING INC /NYM — Option exercise32.6K$0.00
2026-02-11GLWCORNING INC /NYF — Tax withholding / forfeiture893$131.39$117K
2026-02-11GLWCORNING INC /NYM — Option exercise2.5K$0.00
2026-02-06GLWCORNING INC /NYF — Tax withholding / forfeiture1.3K$109.69$141K
2026-02-06GLWCORNING INC /NYM — Option exercise591$0.00
2026-02-06GLWCORNING INC /NYM — Option exercise395$0.00
2026-02-06GLWCORNING INC /NYM — Option exercise300$0.00
2026-01-06GLWCORNING INC /NYF — Tax withholding / forfeiture575$90.67$52K
2026-01-06GLWCORNING INC /NYM — Option exercise575$0.00
2025-12-19GLWCORNING INC /NYG — Bona-fide gift2.0K$0.00
2025-08-08GLWCORNING INC /NYF — Tax withholding / forfeiture1.3K$65.77$83K
2025-08-08GLWCORNING INC /NYM — Option exercise2.5K$0.00
2024-12-19GLWCORNING INC /NYG — Bona-fide gift2.0K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Verkleeren Ronald L?

Verkleeren Ronald L is a corporate insider — currently tracked as SVP Emerging Innovations Group of CORNING INC /NY (GLW). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Verkleeren Ronald L submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Verkleeren Ronald L been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($2.08M) across all tracked filings.

Where can I see all of Verkleeren Ronald L's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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