CORNING INC /NY Insider Trading Activity
Every SEC Form 4 insider transaction reported for CORNING INC /NY (GLW), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are GLW insiders buying or selling?
In the last 12 months, CORNING INC /NY insiders reported 0 open-market purchases ($0) and 33 sales ($112.2M) — net selling of $112.2M. Since February 2018, Trabud has recorded 216 Form 4 filings for GLW: 7 buys ($1.2M) and 209 sells ($1.8B).
Source: SEC EDGAR Form 4
What stands out
- No CORNING INC /NY insider made an open-market purchase in the last 12 months; the 33 reported open-market sales totaled $112.2M.
Key Statistics (February 2018 – Sep 8, 2026)
Total Form 4 filings
216
SEC EDGAR
Insider filers
35
Insider buys (7)
$1.2M
Insider sells (209)
$1.8B
Insider sentiment
Net sellingNet insider flow of $1.8B in net selling since February 2018, and $112.2M in net selling over the last 12 months.
Recent GLW insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | Michelle L Gullo | Senior Vice President & CHRO | Sale | 9.9K | $152.29 | $1.5M | SEC ↗ |
| Aug 31, 2026 | Lewis A Steverson | Vice Chairman, EVP and CLAO | Sale | 13.1K | $151.29 | $2.0M | SEC ↗ |
| Jun 9, 2026 | Wendell P Weeks | Chairman, CEO and President | Sale | 100.0K | $186.46 | $18.6M | SEC ↗ |
| May 26, 2026 | Jaymin Amin | SVP and Chief Tech. Officer | Sale | 27.4K | $192.14 | $5.3M | SEC ↗ |
| May 18, 2026 | Avery H Nelson III | Executive Vice President & COO | Sale | 20.0K | $195.93 | $3.9M | SEC ↗ |
| May 14, 2026 | Ronald L Verkleeren | SVP Emerging Innovations Group | Sale | 10.0K | $207.77 | $2.1M | SEC ↗ |
| May 12, 2026 | Michaune D Tillman | SVP and General Counsel | Sale | 3.3K | $207.02 | $674.9K | SEC ↗ |
| May 12, 2026 | Soumya Seetharam | Senior Vice President & CDIO | Sale | 20.0K | $206.23 | $4.1M | SEC ↗ |
| May 12, 2026 | John Z Zhang | Exec. Vice President & CCDO | Sale | 10.0K | $198.34 | $2.0M | SEC ↗ |
| May 8, 2026 | Lewis A Steverson | Vice Chairman, EVP and CLAO | Sale | 27.8K | $196.06 | $5.4M | SEC ↗ |
| May 8, 2026 | Michelle L Gullo | Senior Vice President & CHRO | Sale | 5.3K | $189.03 | $1.0M | SEC ↗ |
| May 8, 2026 | Stefan Becker | SVP, Finance & Corp Controller | Sale | 21.0K | $188.08 | $3.9M | SEC ↗ |
| May 7, 2026 | Edward A Schlesinger | Exec. Vice President and CFO | Sale | 22.6K | $186.08 | $4.2M | SEC ↗ |
| May 6, 2026 | John Z Zhang | Exec. Vice President & CCDO | Sale | 15.0K | $184.67 | $2.8M | SEC ↗ |
| Feb 27, 2026 | Wendell P Weeks | Chairman, CEO and President | Sale | 137.5K | $155.37 | $21.4M | SEC ↗ |
| Feb 13, 2026 | Michelle L Gullo | Senior Vice President & CHRO | Sale | 631 | $131.44 | $82.9K | SEC ↗ |
| Feb 12, 2026 | John Z Zhang | Exec. Vice President & CCDO | Sale | 1.5K | $133.75 | $204.8K | SEC ↗ |
| Feb 12, 2026 | Avery H Nelson III | Executive Vice President & COO | Sale | 1.6K | $128.74 | $203.8K | SEC ↗ |
| Feb 11, 2026 | Lewis A Steverson | Vice Chairman, EVP and CLAO | Sale | 15.4K | $130.22 | $2.0M | SEC ↗ |
| Feb 11, 2026 | Avery H Nelson III | Executive Vice President & COO | Sale | 6.3K | $129.79 | $812.7K | SEC ↗ |
| Feb 9, 2026 | Jordana Daryl Kammerud | SVP | Sale | 30.0K | $127.67 | $3.8M | SEC ↗ |
| Feb 9, 2026 | Eric S Musser | Other | Sale | 15.0K | $130.25 | $2.0M | SEC ↗ |
| Feb 5, 2026 | Li Fang | SVP, Corning Intl & NBD, Solar | Sale | 9.8K | $113.51 | $1.1M | SEC ↗ |
| Feb 2, 2026 | Michael Paul O'Day | SVP and GM, Optical Comm. | Sale | 5.1K | $110.52 | $558.2K | SEC ↗ |
| Feb 2, 2026 | Eric S Musser | Other | Sale | 25.0K | $110.00 | $2.8M | SEC ↗ |
Showing the 25 most recent of 216 Form 4 filings for CORNING INC /NY.
Most active GLW insiders
- John Z Zhang17 filings
- Lewis A Steverson17 filings
- David L Morse15 filings
- Eric S Musser15 filings
- Wendell P Weeks15 filings
Ask anything about GLW insider activity
Use Trabud's AI agent to query CORNING INC /NY's Form 4 history in plain English — "Show me GLW CEO purchases this year" or compare it against any other ticker.
Open the AI agentGLW insider trading FAQ
Are CORNING INC /NY insiders buying or selling?
In the last 12 months, CORNING INC /NY insiders reported 0 open-market purchases ($0) and 33 sales ($112.2M) — net selling of $112.2M. Since February 2018, Trabud has recorded 216 Form 4 filings for GLW: 7 buys ($1.2M) and 209 sells ($1.8B). Over the full record that is net selling of $1.8B.
How many insiders trade GLW stock?
35 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CORNING INC /NY. The most recent filing was accepted on Sep 8, 2026.
Where does Trabud get GLW insider trading data?
All GLW insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.