GLW
CORNING INC /NY · Manufacturing · Market cap $116.2B
Insiders sold $3.5M net in the last 90 days ·2 sellers, 0 buyers· latest Form 4 filed Sep 8, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$112.2M
reported sales (SEC code S)
Unique Insiders
15
in the rolling window
Latest filing
Sep 8, 2026
Gullo Michelle L
CORNING INC /NY (GLW) has 88 SEC Form 4 filings (190 transaction rows) in the rolling window, disclosed by 15 distinct insiders. Most recent filing: Sep 8, 2026.
Inside the rolling window, 15 insiders at CORNING INC /NY reported no open-market purchases and 34 open-market sales totaling $112.2M. The most active filer is Senior Vice President & CHRO Gullo Michelle L with 5 filings. Insiders have net sold $57.5M over the trailing 6 months. The most recent open-market filing is a sale of 9,874 shares by Senior Vice President & CHRO Gullo Michelle L, dated Sep 4, 2026, worth $1.5M.
- Industry:Hardware, Equipment & Parts
- CEO:Wendell Weeks
- Employees:67,200
- HQ:Corning, NY, US
- IPO:1981-12-31
| Source | |||||||
|---|---|---|---|---|---|---|---|
Gullo Michelle LFirst in 4 months | Senior Vice President & CHRO | Sale | 9,874 | $1.5M | Sep 8 | -18.7% | SEC ↗ |
STEVERSON LEWIS AFirst in 4 months | Vice Chairman, EVP and CLAO | Sale | 13,100 | $2.0M | Aug 31 | -9.3% | SEC ↗ |
WEEKS WENDELL PFirst in 3 months | Chairman, CEO and President | Sale | 100,000 | $18.6M | Jun 9 | -22.4% | SEC ↗ |
Amin JayminFirst filing | SVP and Chief Tech. Officer | Sale | 27,395 | $5.3M | May 26 | -31.2% | SEC ↗ |
Nelson Avery H IIIFirst in 3 months | Executive Vice President & COO | Sale | 20,000 | $3.9M | May 18 | -24.4% | SEC ↗ |
Verkleeren Ronald LFirst in 5 months | SVP Emerging Innovations Group | Sale | 10,000 | $2.1M | May 14 | -35.2% | SEC ↗ |
Seetharam SoumyaFirst in 5 months | Senior Vice President & CDIO | Sale | 20,000 | $4.1M | May 12 | -31.9% | SEC ↗ |
| Exec. Vice President & CCDO | Sale | 10,000 | $2.0M | May 12 | -31.9% | SEC ↗ | |
TILLMAN MICHAUNE DFirst filing | SVP and General Counsel | Sale | 3,260 | $675K | May 12 | -31.9% | SEC ↗ |
| Senior Vice President & CHRO | Sale | 5,315 | $1.0M | May 8 | -27.8% | SEC ↗ | |
| Vice Chairman, EVP and CLAO | Sale | 27,750 | $5.4M | May 8 | — | SEC ↗ | |
Becker StefanFirst in 6 months | SVP, Finance & Corp Controller | Sale | 21,000 | $3.9M | May 8 | — | SEC ↗ |
Schlesinger Edward AFirst in 3 months | Exec. Vice President and CFO | Sale | 22,562 | $4.2M | May 7 | — | SEC ↗ |
| Exec. Vice President & CCDO | Sale | 15,000 | $2.8M | May 6 | — | SEC ↗ | |
WEEKS WENDELL PFirst filing | Chairman, CEO and President | Sale | 137,514 | $21.4M | Feb 27 | — | SEC ↗ |
| Senior Vice President & CHRO | Sale | 44 | $6K | Feb 13 | — | SEC ↗ | |
| Senior Vice President & CHRO | Sale | 587 | $77K | Feb 13 | — | SEC ↗ | |
Zhang John ZFirst filing | Exec. Vice President & CCDO | Sale | 1,531 | $205K | Feb 12 | — | SEC ↗ |
| Executive Vice President & COO | Sale | 1,583 | $204K | Feb 12 | — | SEC ↗ | |
STEVERSON LEWIS AFirst in 3 months | Vice Chairman, EVP and CLAO | Sale | 15,366 | $2.0M | Feb 11 | — | SEC ↗ |
Nelson Avery H IIIFirst filing | Executive Vice President & COO | Sale | 6,262 | $813K | Feb 11 | — | SEC ↗ |
| Retired President | Sale | 15,000 | $2.0M | Feb 9 | — | SEC ↗ | |
Kammerud Jordana DarylFirst filing | SVP | Sale | 30,000 | $3.8M | Feb 9 | — | SEC ↗ |
Fang LiFirst filing | SVP, Corning Intl & NBD, Solar | Sale | 9,797 | $1.1M | Feb 5 | — | SEC ↗ |
Musser Eric SFirst in 3 months | Retired President | Sale | 25,000 | $2.8M | Feb 2 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading GLW 102 all-time
- RRep. Maria Elvira SalazarSale$1,001 - $15,0002026-09-24
- RRep. Maria Elvira SalazarSale$1,001 - $15,0002026-09-04
- RRep. Maria Elvira SalazarSale$1,001 - $15,0002026-09-04
- RRep. Maria Elvira SalazarPurchase$1,001 - $15,0002026-09-08
- RRep. Maria Elvira SalazarPurchase$1,001 - $15,0002026-09-08
- RRep. Maria Elvira SalazarPurchase$15,001 - $50,0002026-03-19
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does GLW have?
CORNING INC /NY (GLW) has 88 SEC Form 4 filings (190 transaction rows) in the rolling 365-day window, disclosed by 15 distinct insiders. Most recent filing: Sep 8, 2026.
When was the most recent SEC Form 4 filing for GLW?
The most recent Form 4 filing for GLW on Tracefour is dated Sep 8, 2026.
Who is the most active insider at GLW?
The most active SEC Form 4 filer at GLW in the rolling window is Senior Vice President & CHRO Gullo Michelle L, with 5 filings.
What is the net insider flow at GLW over the last 6 months?
Over the trailing 180 days, insiders at GLW have net sold $57.5M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at GLW in the current window?
Inside the rolling window, insiders at GLW bought $0 and sold $112.2M based on SEC Form 4 filings.
Can I get alerts for GLW insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at CORNING INC /NY (GLW). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
CORNING INC /NY is in the Manufacturing sector.