Companies: 10,795·Total market cap: $144.5T
Corning Incorporated

Corning Incorporated

GLWNYSETechnology● Active
$188.90
+$11.32(+6.37%)
Market Cap$162.6B
P/E Ratio
52W High$211.79
52W Low$49.47

Corning Incorporated (GLW) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · GLW · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

39

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Corning Incorporated insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

GLW insider buying and selling by quarter

GLW insider selling · GLW insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
1.4M720K0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · GLW ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

GLW executive sell shares · GLW board member insider trading · GLW insider trading SEC filing

Showing 57 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Amin Jaymin

SVP and Chief Tech. Officer

Option

Date

May 22

Shares

7,917

Price

$27.00

Value

$214K

View Form 4 on SEC.gov

Amin Jaymin

SVP and Chief Tech. Officer

Sale

Date

May 22

Shares

27,395

Price

$192.14

Value

$5.26M ⚡

View Form 4 on SEC.gov

Nelson Avery H III

Executive Vice President & COO

Sale

Date

May 15

Shares

20,000

Price

$195.93

Value

$3.92M ⚡

View Form 4 on SEC.gov

Fang Li

SVP, Corning Intl & NBD, Solar

Option

Date

May 14

Shares

8,725

Price

$19.65

Value

$171K

View Form 4 on SEC.gov

Verkleeren Ronald L

SVP Emerging Innovations Group

Sale

Date

May 13

Shares

10,000

Price

$207.77

Value

$2.08M ⚡

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Gift

Date

May 13

Shares

126

Price

Value

View Form 4 on SEC.gov

TILLMAN MICHAUNE D

SVP and General Counsel

Sale

Date

May 11

Shares

3,260

Price

$207.02

Value

$675K

View Form 4 on SEC.gov

Seetharam Soumya

Senior Vice President & CDIO

Sale

Date

May 11

Shares

20,000

Price

$206.23

Value

$4.12M ⚡

View Form 4 on SEC.gov

Zhang John Z

Exec. Vice President & CCDO

Sale

Date

May 11

Shares

10,000

Price

$198.34

Value

$1.98M ⚡

View Form 4 on SEC.gov

STEVERSON LEWIS A

Vice Chairman, EVP and CLAO

Sale

Date

May 8

Shares

27,750

Price

$196.06

Value

$5.44M ⚡

View Form 4 on SEC.gov

Gullo Michelle L

Senior Vice President & CHRO

Sale

Date

May 8

Shares

5,315

Price

$189.03

Value

$1.00M ⚡

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Sale

Date

May 8

Shares

21,000

Price

$188.08

Value

$3.95M ⚡

View Form 4 on SEC.gov

Schlesinger Edward A

Exec. Vice President and CFO

Sale

Date

May 7

Shares

22,562

Price

$186.08

Value

$4.20M ⚡

View Form 4 on SEC.gov

Zhang John Z

Exec. Vice President & CCDO

Sale

Date

May 6

Shares

15,000

Price

$184.67

Value

$2.77M ⚡

View Form 4 on SEC.gov

TILLMAN MICHAUNE D

SVP and General Counsel

Other

Date

May 4

Shares

2,946

Price

$159.96

Value

$471K

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Option

Date

Apr 29

Shares

429

Price

Value

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Option

Date

Apr 29

Shares

1,073

Price

Value

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Option

Date

Apr 29

Shares

619

Price

Value

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Option

Date

Apr 29

Shares

674

Price

Value

View Form 4 on SEC.gov

Becker Stefan

SVP, Finance & Corp Controller

Other

Date

Apr 29

Shares

2,795

Price

$151.90

Value

$425K

View Form 4 on SEC.gov

O'Day Michael Paul

SVP and GM, Optical Comm.

Other

Date

Apr 28

Shares

3,496

Price

$153.05

Value

$535K

View Form 4 on SEC.gov

WEEKS WENDELL P

Chairman, CEO and President · Director

Option

Date

Apr 15

Shares

104,474

Price

Value

View Form 4 on SEC.gov

WEEKS WENDELL P

Chairman, CEO and President · Director

Option

Date

Apr 15

Shares

235,610

Price

Value

View Form 4 on SEC.gov

WEEKS WENDELL P

Chairman, CEO and President · Director

Other

Date

Apr 15

Shares

165,622

Price

$168.27

Value

$27.87M ⚡

View Form 4 on SEC.gov

Zhang John Z

Exec. Vice President & CCDO

Option

Date

Apr 15

Shares

18,884

Price

Value

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About GLW insider trading

GLW insider trades

Corning Incorporated (GLW) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Becker Stefan (SVP, Finance & Corp Controller), Amin Jaymin (SVP and Chief Tech. Officer), Zhang John Z (Exec. Vice President & CCDO). Over the past 12 months, 5 insiders have filed transactions with the SEC. GLW insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Corning Incorporated's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

GLW insider trading · 5 questions

The insiders of Corning Incorporated (GLW) include executives and directors such as Becker Stefan (SVP, Finance & Corp Controller), Amin Jaymin (SVP and Chief Tech. Officer), Zhang John Z (Exec. Vice President & CCDO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

GLW board member insider tradingwho are GLW insidersGLW insider rosterCorning Incorporated executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026