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Corning GLW

Corning is the 114th largest S&P 500 company by market cap, worth $107 billion. 10 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 13 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 9.1% of the company.

Chair and CEO
Wendell P. Weeks
Sector
Information Technology
Sub-industry
Electronic Components
Headquarters
Corning, New York
Founded
1851
More
Wikipedia
Market cap
$107B
114th largest, 23 Oct 2026 close
Revenue
$15.6B
Fiscal year 2025
Price to sales
6.8
Market cap over revenue
Employees
67,200
10-K, 31 Dec 2025
Market cap per employee
$1.6M
Market cap over employees
Connections
5
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Corning. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 29.2% of Corning.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

5 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (10)
Wendell P. WeeksChairman, CEO and PresidentAlso at AmazonChairman, CEO and President
Ami BadaniDirectorLast filed 12 Feb 2026Director
Leslie A. BrunDirectorLast filed 12 Feb 2026Director
Stephanie BurnsDirectorAlso at HPDirector
Pamela J. CraigDirectorAlso at Merck & Co. and ProgressiveLast filed 12 Feb 2026Director
Robert F. Cummings Jr.DirectorDirector
Roger W. Ferguson Jr.DirectorAlso at AlphabetDirector
Thomas D. FrenchDirectorLast filed 12 Feb 2026Director
Daniel P. HuttenlocherDirectorAlso at AmazonLast filed 12 Feb 2026Director
Kevin J. MartinDirectorDirector
Officers (13)
Edward A. SchlesingerExec. Vice President and CFOLast filed 7 May 2026Exec. Vice President and CFO
Jaymin AminSVP and Chief Tech. OfficerLast filed 26 May 2026SVP and Chief Tech. Officer
Stefan BeckerSVP, Finance & Corp ControllerLast filed 14 May 2026SVP, Finance & Corp Controller
Li FangSVP, Corning Intl & NBD, SolarLast filed 15 May 2026SVP, Corning Intl & NBD, Solar
Michelle L. GulloSenior Vice President & CHROLast filed 8 Sep 2026Senior Vice President & CHRO
Jordana Daryl KammerudSVPLast filed 16 Apr 2026SVP
Avery H. Nelson IIIExecutive Vice President & COOLast filed 18 May 2026Executive Vice President & COO
Michael Paul O'DaySVP and GM, Optical CommLast filed 29 Apr 2026SVP and GM, Optical Comm
Soumya SeetharamSenior Vice President & CDIOLast filed 12 May 2026Senior Vice President & CDIO
Lewis A. SteversonVice Chairman, EVP and CLAOLast filed 31 Aug 2026Vice Chairman, EVP and CLAO
Michaune D. TillmanSVP and General CounselLast filed 12 May 2026SVP and General Counsel
Ronald L. VerkleerenSVP Emerging Innovations GroupLast filed 14 May 2026SVP Emerging Innovations Group
John Z. ZhangExec. Vice President & CCDOLast filed 12 May 2026Exec. Vice President & CCDO

Source: SEC insider filings (Forms 3, 4 and 5), Corning's Form 4 filings 路 All directors and officers

Companies that share people with Corning

Each person's title here, then at the other company.

  • Amazon AMZN
    • Daniel P. Huttenlocher: Director here, Director there
    • Wendell P. Weeks: Chairman, CEO and President here, Director there
  • Alphabet GOOGL
    • Roger W. Ferguson Jr.: Director here, Director there
  • HP HPQ
    • Stephanie Burns: Director here, Director there
  • Merck & Co. MRK
    • Pamela J. Craig: Director here, Director there
  • Progressive PGR
    • Pamela J. Craig: Director here, Director there

Source: SEC insider filings 路 See the whole network

Corning's market cap since December 2008

Marked weeks are changes in the share count, such as a merger, not market moves.

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$107B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 31 Dec 2025

Employees
67,200
Each of our approximately 67,200 full- and part-time employees in 44 countries make an important contribution, whether in one of our manufacturing or processing facilities, research labs, sales offices or other facilities.
Corning Form 10-K

Source: Corning Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $98.5 million of stock in 31 sales and made no open-market purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
4 Sep 2026SaleMichelle L. GulloSenior Vice President & CHROSenior Vice President & CHROSale9,874$1.5M
28 Aug 2026SaleLewis A. SteversonVice Chairman, EVP and CLAOVice Chairman, EVP and CLAOSale13,100$2.0M
9 Jun 2026SaleWendell P. WeeksChairman, CEO and PresidentChairman, CEO and PresidentSale100,000$19M
22 May 2026SaleJaymin AminSVP and Chief Tech. OfficerSVP and Chief Tech. OfficerSale27,395$5.3M
15 May 2026SaleAvery H. Nelson IIIExecutive Vice President & COOExecutive Vice President & COOSale20,000$3.9M
13 May 2026SaleRonald L. VerkleerenSVP Emerging Innovations GroupSVP Emerging Innovations GroupSale10,000$2.1M
11 May 2026SaleSoumya SeetharamSenior Vice President & CDIOSenior Vice President & CDIOSale20,000$4.1M
11 May 2026SaleJohn Z. ZhangExec. Vice President & CCDOExec. Vice President & CCDOSale10,000$2.0M
11 May 2026SaleMichaune D. TillmanSVP and General CounselSVP and General CounselSale3,260$675K
8 May 2026SaleLewis A. SteversonVice Chairman, EVP and CLAOVice Chairman, EVP and CLAOSale27,750$5.4M

Showing 10 of 31 trades

Source: SEC insider transactions data sets, Corning's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

9 people disclosed 20 purchases and 22 sales of Corning stock since October 2023.

DateMember or officialTypeAmount
24 Sep 2026Maria Elvira Salazar (House, R-FL)House, R-FL 路 SoldSale$1,001 to $15,000$1K to $15K
8 Sep 2026Maria Elvira Salazar (House, R-FL)House, R-FL 路 BoughtPurchase$1,001 to $15,000$1K to $15K
4 Sep 2026Maria Elvira Salazar (House, R-FL)House, R-FL 路 SoldSale$1,001 to $15,000$1K to $15K
4 Sep 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
3 Aug 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
22 Jun 2026Donald J Trump (President)President 路 SoldSale$15,001 to $50,000$15K to $50K
27 Mar 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 SoldSale$100,001 to $250,000$100K to $250K
25 Mar 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
23 Mar 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
19 Mar 2026Maria Elvira Salazar (House, R-FL)House, R-FL 路 BoughtPurchase$15,001 to $50,000$15K to $50K

Showing 10 of 42 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

WARN layoff notices

Notices filed under Corning's own name. Subsidiaries that file under their own names are not included.

Notices from 26 Oct 2023 to 26 Oct 2026

Corning filed 4 notices covering 343 workers since October 2023.

NoticePlaceWorkersEffective
19 Feb 2026Tarboro, NC12319 Apr 2026
2 Oct 2024NY7114 Feb 2024
15 Feb 2024NY10714 Feb 2024
25 Jan 2024NY4219 Jan 2024

Source: State WARN notices via the US layoffs tracker