GLW Corning Incorporated
Corning Incorporated (GLW) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $18.6M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Gullo Michelle L | Senior Vice President & CHRO | Sell | 9,874 | $152.29 | $1.5M | 9,384 −51.3% of holding | |
| STEVERSON LEWIS A | Vice Chairman, EVP and CLAO | Sell | 13,100 | $151.29 | $2.0M | 15,052 −46.5% of holding | |
| WEEKS WENDELL P | Chairman, CEO and President | Sell | 100,000 | $186.46 | $18.6M | 908,353 −9.9% of holding | |
| Amin Jaymin | SVP and Chief Tech. Officer | Sell | 27,395 | $192.14 | $5.3M | 94,400 −22.5% of holding | |
| Nelson Avery H III | Executive Vice President & COO | Sell | 20,000 | $195.93 | $3.9M | 70,059 −22.2% of holding | |
| Verkleeren Ronald L | SVP Emerging Innovations Group | Sell | 10,000 | $207.77 | $2.1M | 48,143 −17.2% of holding | |
| Seetharam Soumya | Senior Vice President & CDIO | Sell | 20,000 | $206.23 | $4.1M | 25,570 −43.9% of holding | |
| Zhang John Z | Exec. Vice President & CCDO | Sell | 10,000 | $198.34 | $2.0M | 5,138 −66.1% of holding | |
| TILLMAN MICHAUNE D | SVP and General Counsel | Sell | 3,260 | $207.02 | $674.9K | 10,174 −24.3% of holding | |
| STEVERSON LEWIS A | Vice Chairman, EVP and CLAO | Sell | 27,750 | $196.06 | $5.4M | 28,152 −49.6% of holding | |
| Becker Stefan | SVP, Finance & Corp Controller | Sell | 21,000 | $188.08 | $3.9M | 7,263 −74.3% of holding | |
| Gullo Michelle L | Senior Vice President & CHRO | Sell | 5,315 | $189.03 | $1.0M | 37,636 −12.4% of holding | |
| Schlesinger Edward A | Exec. Vice President and CFO | Sell | 22,562 | $186.08 | $4.2M | 65,264 −25.7% of holding | |
| Zhang John Z | Exec. Vice President & CCDO | Sell | 15,000 | $184.67 | $2.8M | 15,138 −49.8% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.