Corning Incorporated (GLW) Insider Trading

Over the last 3 months, GLW insiders made 0 open-market buys and 12 sales, a net sale of -$54.1M (SEC Form 4). Over the last 6 months, 1312 institutions increased and 1589 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
12
Net (3m)
-$54.1M
Insider trades by month Buys Sells
Feb
May
Jun
Context3-month price +87.9%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Jun 23, 2026Gullo Michelle Lofficer: Senior Vice President & CHROTax18,378$209.83
Jun 9, 2026WEEKS WENDELL Pdirector, officer: Chairman, CEO and PresidentSell100,000$186.46
Jun 9, 2026WEEKS WENDELL Pdirector, officer: Chairman, CEO and PresidentOption100,000$27.03
May 26, 2026Amin Jayminofficer: SVP and Chief Tech. OfficerSell27,395$192.14
May 26, 2026Amin Jayminofficer: SVP and Chief Tech. OfficerOption7,917$27.00
May 18, 2026Nelson Avery H IIIofficer: Executive Vice President & COOSell20,000$195.93
May 15, 2026Fang Liofficer: SVP, Corning Intl & NBD, SolarOption8,725$19.65
May 14, 2026Verkleeren Ronald Lofficer: SVP Emerging Innovations GroupSell10,000$207.77
May 12, 2026Seetharam Soumyaofficer: Senior Vice President & CDIOSell20,000$206.23
May 12, 2026Zhang John Zofficer: Exec. Vice President & CCDOSell10,000$198.34
May 12, 2026TILLMAN MICHAUNE Dofficer: SVP and General CounselSell3,260$207.02
May 8, 2026Gullo Michelle Lofficer: Senior Vice President & CHROSell5,315$189.03
May 8, 2026STEVERSON LEWIS Aofficer: Vice Chairman, EVP and CLAOSell27,750$196.06
May 8, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerSell21,000$188.08
May 7, 2026Schlesinger Edward Aofficer: Exec. Vice President and CFOSell22,562$186.08
May 6, 2026Zhang John Zofficer: Exec. Vice President & CCDOSell15,000$184.67
May 5, 2026TILLMAN MICHAUNE Dofficer: SVP and General CounselTax2,946$159.96
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption429
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption619
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption674
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption1,073
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerTax2,795$151.90
Apr 29, 2026O'Day Michael Paulofficer: SVP and GM, Optical Comm.Tax3,496$153.05
Apr 16, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption13,734
Apr 16, 2026Gullo Michelle Lofficer: Senior Vice President & CHROOption3,793
Apr 16, 2026O'Day Michael Paulofficer: SVP and GM, Optical Comm.Option14,092
Apr 16, 2026Seetharam Soumyaofficer: Senior Vice President & CDIOOption31,046
Apr 16, 2026STEVERSON LEWIS Aofficer: Vice Chairman, EVP and CLAOOption31,109
Apr 16, 2026Seetharam Soumyaofficer: Senior Vice President & CDIOOption13,734
Apr 16, 2026Verkleeren Ronald Lofficer: SVP Emerging Innovations GroupOption14,332

Source: GLW SEC Form 4 filings, latest Jun 23, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their GLW positions over the last 6 months (SEC Form 13F).

Increased
1312
New positions
755
Reduced
1589
Sold out
193
Largest moves
InstitutionActionSharesFiled
VANGUARD CAPITAL MANAGEMENT LLCNew Position100.9MMay 15, 2026
VANGUARD GROUP INCIncreased99.3MJan 29, 2026
BLACKROCK, INC.Increased66.7MMay 13, 2026
BLACKROCK, INC.Reduced63.6MFeb 12, 2026
STATE STREET CORPReduced36.8MFeb 13, 2026
STATE STREET CORPReduced36.3MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position28.3MMay 8, 2026
FMR LLCIncreased24.9MMay 15, 2026
CAPITAL RESEARCH GLOBAL INVESTORSIncreased21.8MMay 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased21.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased20.4MFeb 9, 2026
BANK OF AMERICA CORP /DE/Reduced20.4MFeb 3, 2026
BANK OF AMERICA CORP /DE/Reduced17.4MFeb 17, 2026
CAPITAL RESEARCH GLOBAL INVESTORSIncreased16.9MFeb 11, 2026
MORGAN STANLEYReduced15.7MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.