GLW Corning Incorporated

NYSE
$144.16

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.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with GLW's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 2 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
15
35 transactions
Purchases
$0
0 shares
Sales
$113.6M
785,542 shares
Net activity
-$113.6M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $113.6M 35 transactions · 785,542 shares

Largest single sale: $21.4M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

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
WEEKS WENDELL P Chairman, CEO and President Sell 137,514 $155.37 $21.4M 750,585 −15.5% of holding
Gullo Michelle L Senior Vice President & CHRO Sell 587 $131.11 $77.0K 36,000 −1.6% of holding
Zhang John Z Exec. Vice President & CCDO Sell 1,531 $133.75 $204.8K None left
Gullo Michelle L Senior Vice President & CHRO Sell 44 $135.83 $6.0K None left
Nelson Avery H III Executive Vice President & COO Sell 1,583 $128.74 $203.8K 59,788 −2.6% of holding
STEVERSON LEWIS A Vice Chairman, EVP and CLAO Sell 15,366 $130.22 $2.0M 3,461 −81.6% of holding
Kammerud Jordana Daryl SVP Sell 30,000 $127.67 $3.8M 2,772 −91.5% of holding
Musser Eric S Other Sell 15,000 $130.25 $2.0M 4,926 −75.3% of holding
Nelson Avery H III Executive Vice President & COO Sell 6,262 $129.79 $812.7K 61,371 −9.3% of holding
Fang Li SVP, Corning Intl & NBD, Solar Sell 9,797 $113.51 $1.1M None left
Musser Eric S Other Sell 25,000 $110.00 $2.8M 19,926 −55.6% of holding
O'Day Michael Paul SVP and GM, Optical Comm. Sell 5,051 $110.52 $558.2K 29,915 −14.4% of holding
Schlesinger Edward A Exec. Vice President and CFO Sell 21,104 $104.55 $2.2M 54,780 −27.8% of holding
Gullo Michelle L Senior Vice President & CHRO Sell 44 $102.39 $4.5K None left
Verkleeren Ronald L SVP Emerging Innovations Group Sell 21,000 $94.69 $2.0M 34,500 −37.8% of holding
Seetharam Soumya Senior Vice President & CDIO Sell 16,547 $90.78 $1.5M 16,756 −49.7% of holding
STEVERSON LEWIS A Vice Chairman, EVP and CLAO Sell 23,142 $89.05 $2.1M 17,575 −56.8% of holding
Schlesinger Edward A Exec. Vice President and CFO Sell 20,893 $91.25 $1.9M 66,959 −23.8% of holding
Musser Eric S Other Sell 100,000 $90.17 $9.0M 44,926 −69% of holding
Becker Stefan SVP, Finance & Corp Controller Sell 12,100 $91.28 $1.1M 5,049 −70.6% of holding
Amin Jaymin SVP and Chief Tech. Officer Sell 17,721 $77.18 $1.4M 88,722 −16.6% 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.