The Filings Report

Corning insider trading

GLWfinancial statementsForm 4 filings on EDGAR392 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Corning bought $0 of stock in the open market, and 2 sold $3M. Officers and directors accounted for $0 of purchases and $3M of sales. The last reported transaction was an open-market sale by Gullo Michelle L on September 4, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through September 8, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

GLW daily priceSplit-adjusted prices in US dollars

Bought $0Sold $3MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $121.51 · H $126.70 · L $120.48 · C $123.31Bought $0 (0)Sold $0 (0)
$117$133$149$165$1802026-08-04: open $155.00, high $162.49, low $150.85, close $159.892026-08-05: open $156.24, high $162.60, low $155.94, close $156.662026-08-06: open $153.25, high $164.34, low $150.73, close $157.282026-08-07: open $162.89, high $170.43, low $161.16, close $165.682026-08-10: open $167.89, high $167.89, low $157.68, close $157.762026-08-11: open $159.75, high $161.79, low $158.22, close $159.202026-08-12: open $168.80, high $169.95, low $164.21, close $167.442026-08-13: open $166.00, high $168.24, low $157.91, close $158.572026-08-14: open $161.00, high $167.69, low $158.27, close $165.912026-08-17: open $169.74, high $176.94, low $166.68, close $173.292026-08-18: open $161.65, high $168.06, low $157.90, close $159.882026-08-19: open $160.63, high $161.16, low $150.70, close $152.462026-08-20: open $152.26, high $154.06, low $149.25, close $151.492026-08-21: open $153.85, high $155.48, low $148.05, close $149.812026-08-24: open $145.86, high $146.39, low $141.63, close $145.552026-08-25: open $150.81, high $150.81, low $146.25, close $147.162026-08-26: open $147.00, high $152.93, low $146.95, close $152.782026-08-27: open $153.97, high $157.57, low $149.43, close $152.802026-08-28: open $150.99, high $152.67, low $148.06, close $148.872026-08-31: open $148.17, high $149.04, low $146.72, close $148.732026-09-01: open $144.25, high $147.09, low $143.29, close $145.562026-09-02: open $143.75, high $147.66, low $142.82, close $144.162026-09-03: open $143.07, high $146.33, low $139.25, close $146.002026-09-04: open $148.54, high $154.59, low $147.02, close $154.302026-09-08: open $159.24, high $169.73, low $158.84, close $165.962026-09-09: open $168.00, high $171.30, low $167.36, close $168.522026-09-10: open $164.33, high $168.49, low $162.88, close $163.082026-09-11: open $165.50, high $168.82, low $163.75, close $166.382026-09-14: open $150.65, high $154.25, low $142.77, close $143.502026-09-15: open $145.30, high $147.24, low $142.60, close $143.532026-09-16: open $147.22, high $147.86, low $142.35, close $144.232026-09-17: open $151.35, high $155.75, low $147.37, close $147.802026-09-18: open $152.00, high $153.77, low $148.68, close $150.122026-09-21: open $156.37, high $159.87, low $151.92, close $158.982026-09-22: open $157.23, high $160.71, low $155.13, close $159.632026-09-23: open $160.16, high $160.56, low $153.60, close $154.442026-09-24: open $150.51, high $156.36, low $149.60, close $154.092026-09-25: open $156.00, high $157.72, low $154.20, close $156.682026-09-28: open $154.26, high $155.66, low $149.26, close $151.502026-09-29: open $157.06, high $161.39, low $155.62, close $158.712026-09-30: open $158.50, high $160.47, low $152.68, close $153.792026-10-01: open $153.89, high $160.99, low $151.15, close $160.512026-10-02: open $164.00, high $165.14, low $159.50, close $164.162026-10-05: open $164.68, high $164.84, low $158.44, close $159.382026-10-06: open $161.01, high $170.63, low $160.50, close $168.982026-10-07: open $162.60, high $165.90, low $161.79, close $163.212026-10-08: open $158.26, high $160.26, low $150.94, close $152.832026-10-09: open $156.47, high $159.18, low $151.20, close $156.682026-10-12: open $155.01, high $155.01, low $145.76, close $147.282026-10-13: open $143.19, high $148.73, low $141.35, close $148.532026-10-14: open $145.12, high $147.17, low $139.25, close $140.932026-10-15: open $135.00, high $138.65, low $132.75, close $138.362026-10-16: open $136.60, high $137.65, low $131.63, close $132.002026-10-19: open $136.50, high $137.36, low $132.16, close $132.852026-10-20: open $129.77, high $133.97, low $127.56, close $132.422026-10-21: open $135.51, high $136.77, low $133.22, close $134.932026-10-22: open $129.00, high $129.00, low $122.56, close $123.992026-10-23: open $123.77, high $126.75, low $121.80, close $123.622026-10-26: open $124.37, high $128.58, low $122.75, close $127.802026-10-27: open $128.11, high $128.48, low $121.75, close $126.302026-10-28: open $128.74, high $133.24, low $125.41, close $131.202026-10-29: open $128.96, high $132.58, low $128.06, close $128.882026-10-30: open $121.51, high $126.70, low $120.48, close $123.31Insider purchases / sales · USD$2M$0−$2M2026-08-28: 0 purchases ($0), 1 sales ($2M)2026-09-04: 0 purchases ($0), 1 sales ($2M)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

392 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Sep 4, 2026Gullo Michelle LSenior Vice President & CHROopen-market sale9,874$152.29$2M9,384Sep 8, 2026
Aug 28, 2026Steverson Lewis AVice Chairman, EVP and CLAOopen-market sale13,100$151.29$2M15,052Aug 31, 2026
Jun 22, 2026Gullo Michelle LSenior Vice President & CHROtax withholding18,378$209.83$4M19,258Jun 23, 2026
Jun 9, 2026Weeks Wendell PChairman, CEO and President, Directoroption exercise100,000$27.03$3M1MJun 9, 2026
Jun 9, 2026Weeks Wendell PChairman, CEO and President, Directoropen-market sale100,000$186.46$19M908,353Jun 9, 2026
May 22, 2026Amin JayminSVP and Chief Tech. Officeroption exercise7,917$27.00$214K121,795May 26, 2026
May 22, 2026Amin JayminSVP and Chief Tech. Officeropen-market sale27,395$192.14$5M94,400May 26, 2026
May 15, 2026Nelson Avery H IIIExecutive Vice President & COOopen-market sale20,000$195.93$4M70,059May 18, 2026
May 14, 2026Fang LiSVP, Corning Intl & NBD, Solaroption exercise8,725$19.65$171K8,725May 15, 2026
May 13, 2026Verkleeren Ronald LSVP Emerging Innovations Groupopen-market sale10,000$207.77$2M48,143May 14, 2026
May 13, 2026Becker StefanSVP, Finance & Corp Controllergift126$0.00—7,137May 14, 2026
May 11, 2026Tillman Michaune DSVP and General Counselopen-market sale3,260$207.02$675K10,174May 12, 2026
May 11, 2026Seetharam SoumyaSenior Vice President & CDIOopen-market sale20,000$206.23$4M25,570May 12, 2026
May 11, 2026Zhang John ZExec. Vice President & CCDOopen-market sale10,000$198.34$2M5,138May 12, 2026
May 8, 2026Steverson Lewis AVice Chairman, EVP and CLAOopen-market sale27,750$196.06$5M28,152May 8, 2026
May 8, 2026Gullo Michelle LSenior Vice President & CHROopen-market sale5,315$189.03$1M37,636May 8, 2026
May 8, 2026Becker StefanSVP, Finance & Corp Controlleropen-market sale21,000$188.08$4M7,263May 8, 2026
May 7, 2026Schlesinger Edward AExec. Vice President and CFOopen-market sale22,562$186.08$4M65,264May 7, 2026
May 6, 2026Zhang John ZExec. Vice President & CCDOopen-market sale15,000$184.67$3M15,138May 6, 2026
May 4, 2026Tillman Michaune DSVP and General Counseltax withholding2,946$159.96$471K13,434May 5, 2026
Apr 29, 2026Becker StefanSVP, Finance & Corp Controlleroption exercise674$0.00—28,937May 1, 2026
Apr 29, 2026Becker StefanSVP, Finance & Corp Controlleroption exercise619$0.00—29,556May 1, 2026
Apr 29, 2026Becker StefanSVP, Finance & Corp Controlleroption exercise1,073$0.00—30,629May 1, 2026
Apr 29, 2026Becker StefanSVP, Finance & Corp Controlleroption exercise429$0.00—31,058May 1, 2026
Apr 29, 2026Becker StefanSVP, Finance & Corp Controllertax withholding2,795$151.90$425K28,263May 1, 2026
Apr 28, 2026O'Day Michael PaulSVP and GM, Optical Comm.tax withholding3,496$153.05$535K39,122Apr 29, 2026
Apr 15, 2026Weeks Wendell PChairman, CEO and President, Directoroption exercise235,610$0.00—969,501Apr 16, 2026
Apr 15, 2026Weeks Wendell PChairman, CEO and President, Directoroption exercise104,474$0.00—1MApr 16, 2026
Apr 15, 2026Weeks Wendell PChairman, CEO and President, Directortax withholding165,622$168.27$28M908,353Apr 16, 2026
Apr 15, 2026Zhang John ZExec. Vice President & CCDOoption exercise42,687$0.00—42,687Apr 16, 2026
Apr 15, 2026Zhang John ZExec. Vice President & CCDOoption exercise18,884$0.00—61,571Apr 16, 2026
Apr 15, 2026Zhang John ZExec. Vice President & CCDOtax withholding31,433$168.27$5M30,138Apr 16, 2026
Apr 15, 2026Verkleeren Ronald LSVP Emerging Innovations Groupoption exercise32,571$0.00—66,654Apr 16, 2026
Apr 15, 2026Verkleeren Ronald LSVP Emerging Innovations Groupoption exercise14,332$0.00—80,986Apr 16, 2026
Apr 15, 2026Verkleeren Ronald LSVP Emerging Innovations Grouptax withholding22,843$168.27$4M58,143Apr 16, 2026
Apr 15, 2026Steverson Lewis AVice Chairman, EVP and CLAOoption exercise71,118$0.00—74,579Apr 16, 2026
Apr 15, 2026Steverson Lewis AVice Chairman, EVP and CLAOoption exercise31,109$0.00—105,688Apr 16, 2026
Apr 15, 2026Steverson Lewis AVice Chairman, EVP and CLAOtax withholding49,786$168.27$8M55,902Apr 16, 2026
Apr 15, 2026Seetharam SoumyaSenior Vice President & CDIOoption exercise31,046$0.00—49,458Apr 16, 2026
Apr 15, 2026Seetharam SoumyaSenior Vice President & CDIOoption exercise13,734$0.00—63,192Apr 16, 2026
Apr 15, 2026Seetharam SoumyaSenior Vice President & CDIOtax withholding17,622$168.27$3M45,570Apr 16, 2026
Apr 15, 2026Schlesinger Edward AExec. Vice President and CFOoption exercise19,088$0.00—74,560Apr 16, 2026
Apr 15, 2026Schlesinger Edward AExec. Vice President and CFOoption exercise43,981$0.00—118,541Apr 16, 2026
Apr 15, 2026Schlesinger Edward AExec. Vice President and CFOtax withholding30,715$168.27$5M87,826Apr 16, 2026
Apr 15, 2026O'Day Michael PaulSVP and GM, Optical Comm.option exercise14,092$0.00—44,784Apr 16, 2026
Apr 15, 2026O'Day Michael PaulSVP and GM, Optical Comm.option exercise6,244$0.00—51,028Apr 16, 2026
Apr 15, 2026O'Day Michael PaulSVP and GM, Optical Comm.tax withholding8,410$168.27$1M42,618Apr 16, 2026
Apr 15, 2026Nelson Avery H IIIExecutive Vice President & COOoption exercise41,173$0.00—100,961Apr 16, 2026
Apr 15, 2026Nelson Avery H IIIExecutive Vice President & COOoption exercise17,838$0.00—118,799Apr 16, 2026
Apr 15, 2026Nelson Avery H IIIExecutive Vice President & COOtax withholding28,740$168.27$5M90,059Apr 16, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Weeks Wendell PChairman, CEO and President, DirectorJun 9, 2026option exercise1M—$40M (2)0 of 2
Steverson Lewis AVice Chairman, EVP and CLAOAug 28, 2026open-market sale15,052—$9M (3)0 of 3
Schlesinger Edward AExec. Vice President and CFOMay 7, 2026open-market sale65,264—$6M (2)0 of 2
Seetharam SoumyaSenior Vice President & CDIOMay 11, 2026open-market sale25,570—$6M (2)0 of 2
Amin JayminSVP and Chief Tech. OfficerMay 22, 2026option exercise121,795—$5M (1)0 of 1
Zhang John ZExec. Vice President & CCDOMay 11, 2026open-market sale5,138—$5M (3)0 of 3
Nelson Avery H IIIExecutive Vice President & COOMay 15, 2026open-market sale70,059—$5M (3)0 of 3
Musser Eric SPresidentFeb 9, 2026open-market sale4,926—$5M (2)0 of 2
Verkleeren Ronald LSVP Emerging Innovations GroupMay 13, 2026open-market sale48,143—$4M (2)0 of 2
Becker StefanSVP, Finance & Corp ControllerMay 13, 2026gift7,137—$4M (1)0 of 1
Kammerud Jordana DarylSVPApr 15, 2026option exercise15,617—$4M (1)0 of 1
Gullo Michelle LSenior Vice President & CHROSep 4, 2026open-market sale9,384—$3M (5)0 of 5
Fang LiSVP, Corning Intl & NBD, SolarMay 14, 2026option exercise8,725—$1M (1)0 of 1
Tillman Michaune DSVP and General CounselMay 11, 2026open-market sale10,174—$675K (1)0 of 1
O'Day Michael PaulSVP and GM, Optical Comm.Apr 28, 2026tax withholding39,122—$558K (1)0 of 1
Bell Michael AlanSenior VP & GM, Optical Comm.Apr 30, 2025open-market sale0———
Curran Martin J—Jan 2, 2025option exercise593———
Bayne John P JR—Nov 25, 2024open-market sale0———
Blair Donald W—Nov 1, 2024option exercise34,773———
Evenson Jeffrey W—Feb 4, 2025tax withholding0———
Clark Richard T—Nov 1, 2024option exercise43,436———
Wrighton Mark S—Sep 4, 2025gift61,621———
Tookes Hansel E II—Feb 7, 2025option exercise92,761———

Questions

Are Corning insiders buying or selling?

Over the twelve months to November 1, 2026, 15 insiders at Corning sold $98M of stock in the open market ($93M by officers and directors), and no insider bought. Net, insiders sold $98M. Only open-market purchases and sales are counted.

Who sold the most Corning stock in the last year?

Weeks Wendell P (Chairman, CEO and President, Director) sold $40M in 2 open-market sales over the twelve months to November 1, 2026.

Do Corning executives sell under 10b5-1 plans?

0 of the 30 open-market sales in the last twelve months (0%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Corning

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.