Form4insider filings, from the source

Company · CIK 0000024741 · SIC 3357 — Drawing & Insulating of Nonferrous Wire · NYSE

CORNING INC /NY · GLW

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $22.1M · 3net −$22.1M
$10k$10k$1M$1M$100M$100MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 8, 4:00 pm EDTMichelle L GulloSenior Vice President & CHRO9,874$152.29$1,503,7139,384−51.3%
Aug 28, 2026 SForm 4 →Aug 31, 4:05 pm EDTLewis A SteversonVice Chairman, EVP and CLAO13,100$151.29$1,981,92915,052−46.5%
Jun 22, 2026 FForm 4 →Jun 23, 4:06 pm EDTMichelle L GulloSenior Vice President & CHRO18,378$209.83$3,856,25619,258—
Jun 9, 2026 SForm 4 →Jun 9, 4:03 pm EDTWendell P WeeksChairman, CEO and President, Director100,000$186.46$18,646,070908,353−9.92%
Jun 9, 2026 MForm 4 →Jun 9, 4:03 pm EDTWendell P WeeksChairman, CEO and President, Director100,000$27.03$2,703,0001,008,353—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 AForm 4 →Jul 1, 4:11 pm EDTKevin J MartinDirector137$255.43$34,99420,234—
Jun 30, 2026 AForm 4 →Jul 1, 4:08 pm EDTRoger W. Ferguson Jr.Director161$255.43$41,12416,722—
Jun 30, 2026 AForm 4 →Jul 1, 4:03 pm EDTRobert F Cummings Jr.Director161$255.43$41,124130,762—
Jun 30, 2026 AForm 4 →Jul 1, 4:01 pm EDTStephanie BurnsDirector161$255.43$41,12426,769—
Jun 9, 2026 MForm 4 →Jun 9, 4:03 pm EDTWendell P WeeksChairman, CEO and President, Director100,000——49,849—