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Corning Incorporated (GLW) Institutional Ownership & Insider Trading History

Top GLW institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Section freshness

Price Jun 24, 4:04 PM EDT · Statements Mar 30, 8:00 PM EDT

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Data freshness

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Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

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Ownership read

GLW insider sentiment: Mixed, sale-heavy.

VANGUARD GROUP INC is the largest institutional holder. 65 sales and 55 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Insider flow

GLW

Purchases1.24M
Sales1.99M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

99.28M

VANGUARD GROUP INC

Insider stance

Mixed, sale-heavy

$147.48M sold / $6.96M bought

Latest filing

Jun 9, 2026

Most recent holder or insider filing date

Filings shown

240

120 holder / 120 insider

Holder rows
120
Market data source
Latest filing
Jun 9, 2026
Most recent holder or insider filing date
Increased / initiated
65
55 decreased
Insider rows
120
Market data source

Top 120 institutional holders

Corning Incorporated (GLW) institutional ownership

Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.

VANGUARD GROUP INC

Rank #1

11.5%

Shares
99.28M
Change
+580.68K
Change %
+59.00%
Filing
Dec 31, 2025

Increased

BLACKROCK

Rank #2

7.76%

Shares
66.71M
Change
+3.13M
Change %
+4.92%
Filing
Mar 31, 2026

Increased

VANGUARD CAPITAL MANAGEMENT LLC

Rank #3

5.87%

Shares
50.46M
Change
+50.46M
Change %
Filing
Mar 31, 2026

Initiated

STATE STREET CORP

Rank #4

4.22%

Shares
36.26M
Change
-525.00K
Change %
-143.00%
Filing
Mar 31, 2026

Decreased

VANGUARD PORTFOLIO MANAGEMENT LLC

Rank #5

3.29%

Shares
28.27M
Change
+28.27M
Change %
Filing
Mar 31, 2026

Initiated

FMR LLC

Rank #6

2.90%

Shares
24.91M
Change
+10.46M
Change %
+72.38%
Filing
Mar 31, 2026

Increased

CAPITAL RESEARCH GLOBAL INVESTORS

Rank #7

2.54%

Shares
21.85M
Change
+4.96M
Change %
+29.35%
Filing
Mar 31, 2026

Increased

GEODE CAPITAL MANAGEMENT

Rank #8

2.44%

Shares
20.96M
Change
+552.86K
Change %
+2.71%
Filing
Mar 31, 2026

Increased

MORGAN STANLEY

Rank #9

1.82%

Shares
15.67M
Change
+460.37K
Change %
+3.03%
Filing
Mar 31, 2026

Increased

BANK OF AMERICA CORP

Rank #10

1.69%

Shares
14.50M
Change
-2.88M
Change %
-16.59%
Filing
Mar 31, 2026

Decreased

STATE FARM MUTUAL AUTOMOBILE INSURANCE CO

Rank #11

1.56%

Shares
13.42M
Change
-496.63K
Change %
-3.57%
Filing
Mar 31, 2026

Decreased

JPMORGAN CHASE & CO

Rank #12

1.38%

Shares
11.87M
Change
+101.88K
Change %
+87.00%
Filing
Mar 31, 2026

Increased

NORGES BANK

Rank #13

1.22%

Shares
10.52M
Change
+351.66K
Change %
+3.46%
Filing
Dec 31, 2025

Increased

WELLINGTON MANAGEMENT GROUP LLP

Rank #14

1.02%

Shares
8.73M
Change
-3.84M
Change %
-30.58%
Filing
Mar 31, 2026

Decreased

NORTHERN TRUST CORP

Rank #15

1.01%

Shares
8.70M
Change
-452.89K
Change %
-4.95%
Filing
Mar 31, 2026

Decreased

WCM INVESTMENT MANAGEMENT

Rank #16

0.94%

Shares
8.11M
Change
-117.90K
Change %
-143.00%
Filing
Mar 31, 2026

Decreased

GOLDMAN SACHS GROUP INC

Rank #17

0.93%

Shares
7.97M
Change
+2.14M
Change %
+36.74%
Filing
Mar 31, 2026

Increased

PRICE T ROWE ASSOCIATES INC

Rank #18

0.88%

Shares
7.56M
Change
-479.42K
Change %
-5.97%
Filing
Mar 31, 2026

Decreased

AMERIPRISE FINANCIAL INC

Rank #19

0.81%

Shares
6.95M
Change
-3.02M
Change %
-30.32%
Filing
Mar 31, 2026

Decreased

BANK OF NEW YORK MELLON CORP

Rank #20

0.72%

Shares
6.18M
Change
-586.83K
Change %
-8.67%
Filing
Mar 31, 2026

Decreased

Showing 20 of 120 matching institutional rows.Load more institutions

Recent insider transactions

Corning Incorporated (GLW) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

WEEKS, WENDELL P

Director, Chairman, CEO and President

SaleOpen-market or direct sale reported on Form 4.
Shares
100.00K
% company
0.01%
Price
$186.46
Value
$18,646,070

Filed Jun 9, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

SaleOpen-market or direct sale reported on Form 4.
Shares
100.00K
% company
0.01%
Price
Not reported
Value
Not reported

Filed Jun 9, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
100.00K
% company
0.01%
Price
$27.03
Value
$2,703,000

Filed Jun 9, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
7.92K
% company
<0.01%
Price
$27.00
Value
$213,759

Filed May 22, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

SaleOpen-market or direct sale reported on Form 4.
Shares
27.39K
% company
<0.01%
Price
$192.14
Value
$5,263,637

Filed May 22, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

SaleOpen-market or direct sale reported on Form 4.
Shares
7.92K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed May 22, 2026

NELSON, AVERY H III

Executive Vice President & COO

SaleOpen-market or direct sale reported on Form 4.
Shares
20.00K
% company
<0.01%
Price
$195.93
Value
$3,918,600

Filed May 15, 2026

FANG, LI

SVP, Corning Intl & NBD, Solar

SaleOpen-market or direct sale reported on Form 4.
Shares
8.72K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed May 14, 2026

FANG, LI

SVP, Corning Intl & NBD, Solar

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
8.72K
% company
<0.01%
Price
$19.65
Value
$171,446

Filed May 14, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
126
% company
<0.01%
Price
Not reported
Value
Not reported

Filed May 13, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

SaleOpen-market or direct sale reported on Form 4.
Shares
10.00K
% company
<0.01%
Price
$207.77
Value
$2,077,708

Filed May 13, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

SaleOpen-market or direct sale reported on Form 4.
Shares
10.00K
% company
<0.01%
Price
$198.34
Value
$1,983,383

Filed May 11, 2026

SEETHARAM, SOUMYA

Senior Vice President & CDIO

SaleOpen-market or direct sale reported on Form 4.
Shares
20.00K
% company
<0.01%
Price
$206.23
Value
$4,124,646

Filed May 11, 2026

TILLMAN, MICHAUNE D

SVP and General Counsel

SaleOpen-market or direct sale reported on Form 4.
Shares
3.26K
% company
<0.01%
Price
$207.02
Value
$674,870

Filed May 11, 2026

GULLO, MICHELLE L

Senior Vice President & CHRO

SaleOpen-market or direct sale reported on Form 4.
Shares
5.32K
% company
<0.01%
Price
$189.03
Value
$1,004,689

Filed May 8, 2026

STEVERSON, LEWIS A

Vice Chairman, EVP and CLAO

SaleOpen-market or direct sale reported on Form 4.
Shares
27.75K
% company
<0.01%
Price
$196.06
Value
$5,440,593

Filed May 8, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
21.00K
% company
<0.01%
Price
$188.08
Value
$3,949,680

Filed May 8, 2026

SCHLESINGER, EDWARD A

Exec. Vice President and CFO

SaleOpen-market or direct sale reported on Form 4.
Shares
22.56K
% company
<0.01%
Price
$186.08
Value
$4,198,247

Filed May 7, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

SaleOpen-market or direct sale reported on Form 4.
Shares
15.00K
% company
<0.01%
Price
$184.67
Value
$2,769,984

Filed May 6, 2026

TILLMAN, MICHAUNE D

SVP and General Counsel

SaleOpen-market or direct sale reported on Form 4.
Shares
2.95K
% company
<0.01%
Price
$159.96
Value
$471,242

Filed May 4, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
2.79K
% company
<0.01%
Price
$151.90
Value
$424,561

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
429
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
1.07K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
619
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
1.07K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
619
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
674
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
429
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
674
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 29, 2026

O'DAY, MICHAEL PAUL

SVP and GM, Optical Comm.

SaleOpen-market or direct sale reported on Form 4.
Shares
3.50K
% company
<0.01%
Price
$153.05
Value
$535,063

Filed Apr 28, 2026

O'DAY, MICHAEL PAUL

SVP and GM, Optical Comm.

SaleOpen-market or direct sale reported on Form 4.
Shares
6.24K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

STEVERSON, LEWIS A

Vice Chairman, EVP and CLAO

SaleOpen-market or direct sale reported on Form 4.
Shares
49.79K
% company
<0.01%
Price
$168.27
Value
$8,377,490

Filed Apr 15, 2026

STEVERSON, LEWIS A

Vice Chairman, EVP and CLAO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
31.11K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

STEVERSON, LEWIS A

Vice Chairman, EVP and CLAO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
71.12K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SEETHARAM, SOUMYA

Senior Vice President & CDIO

SaleOpen-market or direct sale reported on Form 4.
Shares
31.05K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SEETHARAM, SOUMYA

Senior Vice President & CDIO

SaleOpen-market or direct sale reported on Form 4.
Shares
17.62K
% company
<0.01%
Price
$168.27
Value
$2,965,254

Filed Apr 15, 2026

SEETHARAM, SOUMYA

Senior Vice President & CDIO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
13.73K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SEETHARAM, SOUMYA

Senior Vice President & CDIO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
31.05K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

SaleOpen-market or direct sale reported on Form 4.
Shares
14.33K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

SaleOpen-market or direct sale reported on Form 4.
Shares
32.57K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

SaleOpen-market or direct sale reported on Form 4.
Shares
22.84K
% company
<0.01%
Price
$168.27
Value
$3,843,792

Filed Apr 15, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
14.33K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
32.57K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

SaleOpen-market or direct sale reported on Form 4.
Shares
18.88K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

SaleOpen-market or direct sale reported on Form 4.
Shares
42.69K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

STEVERSON, LEWIS A

Vice Chairman, EVP and CLAO

SaleOpen-market or direct sale reported on Form 4.
Shares
31.11K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

STEVERSON, LEWIS A

Vice Chairman, EVP and CLAO

SaleOpen-market or direct sale reported on Form 4.
Shares
71.12K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SCHLESINGER, EDWARD A

Exec. Vice President and CFO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
19.09K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SCHLESINGER, EDWARD A

Exec. Vice President and CFO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
43.98K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SEETHARAM, SOUMYA

Senior Vice President & CDIO

SaleOpen-market or direct sale reported on Form 4.
Shares
13.73K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SCHLESINGER, EDWARD A

Exec. Vice President and CFO

SaleOpen-market or direct sale reported on Form 4.
Shares
30.71K
% company
<0.01%
Price
$168.27
Value
$5,168,413

Filed Apr 15, 2026

SCHLESINGER, EDWARD A

Exec. Vice President and CFO

SaleOpen-market or direct sale reported on Form 4.
Shares
19.09K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

SCHLESINGER, EDWARD A

Exec. Vice President and CFO

SaleOpen-market or direct sale reported on Form 4.
Shares
43.98K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

O'DAY, MICHAEL PAUL

SVP and GM, Optical Comm.

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
14.09K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

O'DAY, MICHAEL PAUL

SVP and GM, Optical Comm.

SaleOpen-market or direct sale reported on Form 4.
Shares
8.41K
% company
<0.01%
Price
$168.27
Value
$1,415,151

Filed Apr 15, 2026

O'DAY, MICHAEL PAUL

SVP and GM, Optical Comm.

SaleOpen-market or direct sale reported on Form 4.
Shares
14.09K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

NELSON, AVERY H III

Executive Vice President & COO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
41.17K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

NELSON, AVERY H III

Executive Vice President & COO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
17.84K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

NELSON, AVERY H III

Executive Vice President & COO

SaleOpen-market or direct sale reported on Form 4.
Shares
28.74K
% company
<0.01%
Price
$168.27
Value
$4,836,080

Filed Apr 15, 2026

NELSON, AVERY H III

Executive Vice President & COO

SaleOpen-market or direct sale reported on Form 4.
Shares
41.17K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

NELSON, AVERY H III

Executive Vice President & COO

SaleOpen-market or direct sale reported on Form 4.
Shares
17.84K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

KAMMERUD, JORDANA DARYL

SVP

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
12.85K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

KAMMERUD, JORDANA DARYL

SVP

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
5.67K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

KAMMERUD, JORDANA DARYL

SVP

SaleOpen-market or direct sale reported on Form 4.
Shares
9.02K
% company
<0.01%
Price
$168.27
Value
$1,517,459

Filed Apr 15, 2026

KAMMERUD, JORDANA DARYL

SVP

SaleOpen-market or direct sale reported on Form 4.
Shares
12.85K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

KAMMERUD, JORDANA DARYL

SVP

SaleOpen-market or direct sale reported on Form 4.
Shares
5.67K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

GULLO, MICHELLE L

Senior Vice President & CHRO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
9.36K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

GULLO, MICHELLE L

Senior Vice President & CHRO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
3.79K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

GULLO, MICHELLE L

Senior Vice President & CHRO

SaleOpen-market or direct sale reported on Form 4.
Shares
6.20K
% company
<0.01%
Price
$168.27
Value
$1,042,937

Filed Apr 15, 2026

GULLO, MICHELLE L

Senior Vice President & CHRO

SaleOpen-market or direct sale reported on Form 4.
Shares
9.36K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

GULLO, MICHELLE L

Senior Vice President & CHRO

SaleOpen-market or direct sale reported on Form 4.
Shares
3.79K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
31.05K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
13.73K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
22.86K
% company
<0.01%
Price
$168.27
Value
$3,846,820

Filed Apr 15, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
31.05K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

BECKER, STEFAN

SVP, Finance & Corp Controller

SaleOpen-market or direct sale reported on Form 4.
Shares
13.73K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
15.36K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
35.56K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

SaleOpen-market or direct sale reported on Form 4.
Shares
24.80K
% company
<0.01%
Price
$168.27
Value
$4,172,423

Filed Apr 15, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

SaleOpen-market or direct sale reported on Form 4.
Shares
15.36K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

AMIN, JAYMIN

SVP and Chief Tech. Officer

SaleOpen-market or direct sale reported on Form 4.
Shares
35.56K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

O'DAY, MICHAEL PAUL

SVP and GM, Optical Comm.

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
6.24K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
235.61K
% company
0.03%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
104.47K
% company
0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

SaleOpen-market or direct sale reported on Form 4.
Shares
165.62K
% company
0.02%
Price
$168.27
Value
$27,869,214

Filed Apr 15, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

SaleOpen-market or direct sale reported on Form 4.
Shares
235.61K
% company
0.03%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

WEEKS, WENDELL P

Director, Chairman, CEO and President

SaleOpen-market or direct sale reported on Form 4.
Shares
104.47K
% company
0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
42.69K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
18.88K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 15, 2026

ZHANG, JOHN Z

Exec. Vice President & CCDO

SaleOpen-market or direct sale reported on Form 4.
Shares
31.43K
% company
<0.01%
Price
$168.27
Value
$5,289,231

Filed Apr 15, 2026

TILLMAN, MICHAUNE D

SVP and General Counsel

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
3.48K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 1, 2026

VERKLEEREN, RONALD L

SVP Emerging Innovations Group

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
4.06K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Apr 1, 2026

Showing 92 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest GLW shareholders?

VANGUARD GROUP INC is the largest institutional holder of GLW, with 99.28 million shares, or about 11.55% of shares outstanding. Additional institutions are ranked by reported share count.

What is institutional ownership of GLW?

Corning Incorporated (GLW) has 120 institutional holders on file — 65 that increased or initiated positions and 55 that reduced them, as of the latest filing on Mar 31, 2026.

Where can I see Corning Incorporated insider transactions?

Corning Incorporated (GLW) has 120 Form 4 insider transactions on file, most recently on Jun 9, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are GLW insiders buying or selling?

Recent GLW insider activity reads Mixed, sale-heavy: 65 sales and 55 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.

Who is the most active GLW insider?

WEEKS, WENDELL P is the most active GLW insider by absolute share movement, with 1.61 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.