See up to 3 months of GLW. The 7-day demo opens the 1M and 3M ranges and puts GLW on your watchlist.
Start 7-day demoLatest GLW insider trades
Michelle L. Gullo - OfficerOpen-market sale$1.50M- Lewis A. Steverson - OfficerOpen-market sale
About CORNING INC /NY (GLW)
CORNING INC /NY files with the SEC under CIK 0000024741 and is classified as drawing and insulating of nonferrous wire. It is grouped with Materials companies on this site.
GLW Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 22,974 | $3.49M |
| Grant or award | 4 | 1,032 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
GLW insider transactions (Form 4)
51186 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Kevin J. Martin - Director | Grant or award | Restricted Stock Unit | 228 | $153.76 | $35K | |
 Roger W. Ferguson Jr. - Director | Grant or award | Restricted Stock Unit | 268 | $153.76 | $41K | |
| Robert F. Cummings Jr. - Director | Grant or award | Restricted Stock Unit | 268 | $153.76 | $41K | |
 Stephanie Burns - Director | Grant or award | Restricted Stock Unit | 268 | $153.76 | $41K | |
| Michelle L. Gullo - Officer | Open-market sale | Common Stock | 9,874 | $152.29 footnote F1 | $1.50M | |
| ||||||
| Lewis A. Steverson - Officer | Open-market sale | Common Stock | 13,100 | $151.29 footnote F1 | $1.98M | |
| ||||||
| Kevin J. Martin - Director | Grant or award | Restricted Stock Unit | 137 | $255.43 | $35K | |
| Roger W. Ferguson Jr. - Director | Grant or award | Restricted Stock Unit | 161 | $255.43 | $41K | |
| Robert F. Cummings Jr. - Director | Grant or award | Restricted Stock Unit | 161 | $255.43 | $41K | |
| Stephanie Burns - Director | Grant or award | Restricted Stock Unit | 161 | $255.43 | $41K | |
| Michelle L. Gullo - Officer | Tax withholding / forfeiture | Common Stock | 18,378 footnote F1 | $209.83 | $3.86M | |
| ||||||
 Wendell P. Weeks - Officer | Option exercise | Common Stock | 100,000 | $27.03 | $2.70M | |
| Wendell P. Weeks - Officer | Open-market sale | Common Stock | 100,000 | $186.46 footnote F1 | $18.65M | |
| Wendell P. Weeks - Officer | Option exercise | Stock Options (Right to Buy) | 100,000 | $0.00 | - | |
| ||||||
| Jaymin Amin - Officer | Open-market sale | Common Stock | 27,395 | $192.14 footnote F1 | $5.26M | |
| Jaymin Amin - Officer | Option exercise | Common Stock | 7,917 | $27.00 | $214K | |
| Jaymin Amin - Officer | Option exercise | Stock Options (Right to Buy) | 7,917 | $0.00 | - | |
| ||||||
| Avery H. Nelson III - Officer | Open-market sale | Common Stock | 20,000 | $195.93 | $3.92M | |
| Li Fang - Officer | Option exercise | Common Stock | 8,725 | $19.65 | $171K | |
| Li Fang - Officer | Option exercise | Stock Appreciation Rights (SAR) | 8,725 | $0.00 | - | |
| Ronald L. Verkleeren - Officer | Open-market sale | Common Stock | 10,000 | $207.77 | $2.08M | |
| Stefan Becker - Officer | Gift | Common Stock | 126 | $0.00 | - | |
| Michaune D. Tillman - Officer | Open-market sale | Common Stock | 3,260 | $207.02 | $675K | |
| Soumya Seetharam - Officer | Open-market sale | Common Stock | 20,000 | $206.23 | $4.12M | |
| John Z. Zhang - Officer | Open-market sale | Common Stock | 10,000 | $198.34 | $1.98M | |
| Lewis A. Steverson - Officer | Open-market sale | Common Stock | 27,750 | $196.06 footnote F1 | $5.44M | |
| ||||||
| Michelle L. Gullo - Officer | Open-market sale | Common Stock | 5,315 | $189.03 footnote F1 | $1.00M | |
| ||||||
| Stefan Becker - Officer | Open-market sale | Common Stock | 21,000 | $188.08 | $3.95M | |
| Edward A. Schlesinger - Officer | Open-market sale | Common Stock | 22,562 | $186.08 footnote F1 | $4.20M | |
| ||||||
| John Z. Zhang - Officer | Open-market sale | Common Stock | 15,000 | $184.67 footnote F1 | $2.77M | |
| ||||||
| Michaune D. Tillman - Officer | Tax withholding / forfeiture | Common Stock | 2,946 footnote F1 | $159.96 | $471K | |
| ||||||
| Stefan Becker - Officer | Option exercise | Common Stock | 674 | $0.00 | - | |
| Stefan Becker - Officer | Option exercise | Common Stock | 619 | $0.00 | - | |
| Stefan Becker - Officer | Option exercise | Common Stock | 1,073 | $0.00 | - | |
| Stefan Becker - Officer | Option exercise | Common Stock | 429 | $0.00 | - | |
| Stefan Becker - Officer | Tax withholding / forfeiture | Common Stock | 2,795 | $151.90 | $425K | |
| Stefan Becker - Officer | Option exercise | Restricted Stock Unit | 674 | $0.00 | - | |
| Stefan Becker - Officer | Option exercise | Restricted Stock Unit | 619 | $0.00 | - | |
| Stefan Becker - Officer | Option exercise | Performance Share Unit | 1,073 | $0.00 | - | |
| Stefan Becker - Officer | Option exercise | Performance Share Unit | 429 | $0.00 | - | |
| Michael Paul O'Day - Officer | Tax withholding / forfeiture | Common Stock | 3,496 footnote F1 | $153.05 | $535K | |
| ||||||
| Wendell P. Weeks - Officer | Option exercise | Common Stock | 235,610 | $0.00 | - | |
| Wendell P. Weeks - Officer | Option exercise | Common Stock | 104,474 | $0.00 | - | |
| Wendell P. Weeks - Officer | Tax withholding / forfeiture | Common Stock | 165,622 | $168.27 | $27.87M | |
| Wendell P. Weeks - Officer | Option exercise | Performance Share Unit | 235,610 | $0.00 | - | |
| Wendell P. Weeks - Officer | Option exercise | Restricted Stock Unit | 104,474 | $0.00 | - | |
| John Z. Zhang - Officer | Option exercise | Common Stock | 42,687 | $0.00 | - | |
| John Z. Zhang - Officer | Option exercise | Common Stock | 18,884 | $0.00 | - | |
| John Z. Zhang - Officer | Tax withholding / forfeiture | Common Stock | 31,433 | $168.27 | $5.29M | |
| John Z. Zhang - Officer | Option exercise | Performance Share Unit | 42,687 | $0.00 | - | |
| John Z. Zhang - Officer | Option exercise | Restricted Stock Unit | 18,884 | $0.00 | - | |
Item 8.01, 9.01
Item 7.01
Item 2.02
Item 7.01
Recent GLW Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Michelle Gullo | Officer | 9,874 | $1.50M | View on EDGAR | |
| Lewis Steverson | Officer | 13,100 | $1.98M |
Stock trades in GLW disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Maria Elvira SalazarRepublican, FL-27 | Sale (partial) |
GLW insider trading FAQ
What is the latest insider trade for GLW?
CORNING INC /NY (GLW) had 6 insider filings in the last 90 days, with the most recent on 2026-10-01. The full record for GLW runs to 186 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying GLW stock?
No insider purchases of GLW were filed in the last 90 days.
How many insiders are selling GLW stock?
2 insider sales of GLW were filed in the last 90 days, totaling $3.49M.
Where can I see GLW SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects GLW Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Materials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Kevin J. Martin view on EDGAR
- - Roger W. Ferguson Jr. view on EDGAR
- - Robert F. Cummings Jr. view on EDGAR
- - Stephanie Burns view on EDGAR
- - Michelle L. Gullo view on EDGAR
- - Lewis A. Steverson view on EDGAR
- - Kevin J. Martin view on EDGAR
- - Roger W. Ferguson Jr. view on EDGAR
- - Robert F. Cummings Jr. view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Materials
- Where GLW's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow GLW with a 7-day demo
- GLW on your watchlist
- Every GLW Form 4 filing on record
- Up to 3 months of GLW price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
Start 7-day demoCard required. Your card is never charged for the demo.
