Corning Incorporated (GLW) Insider Trading

Over the last 3 months, GLW insiders made 0 open-market buys and 1 sale, a net sale of -$18.6M (SEC Form 4). Over the last 6 months, 1575 institutions increased and 1813 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
-$18.6M
Insider trades by month Buys Sells
Feb
May
Jun
Context3-month price -16.6%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jul 1, 2026Ferguson Roger W. Jr.directorGrant161—
Jul 1, 2026BURNS STEPHANIEdirectorGrant161—
Jul 1, 2026Martin Kevin JdirectorGrant137—
Jul 1, 2026CUMMINGS ROBERT F JRdirectorGrant161—
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, 2026TILLMAN MICHAUNE Dofficer: SVP and General CounselSell3,260$207.02
May 12, 2026Zhang John Zofficer: Exec. Vice President & CCDOSell10,000$198.34
May 8, 2026Gullo Michelle Lofficer: Senior Vice President & CHROSell5,315$189.03
May 8, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerSell21,000$188.08
May 8, 2026STEVERSON LEWIS Aofficer: Vice Chairman, EVP and CLAOSell27,750$196.06
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 ControllerOption674—
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption619—
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerTax2,795$151.90
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption429—
May 1, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerOption1,073—
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, 2026Seetharam Soumyaofficer: Senior Vice President & CDIOTax17,622$168.27
Apr 16, 2026Becker Stefanofficer: SVP, Finance & Corp ControllerTax22,861$168.27

Source: GLW SEC Form 4 filings, latest Jul 1, 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
1575
New positions
1077
Reduced
1813
Sold out
125
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased66.7MMay 13, 2026
BlackRock, Inc.Reduced66.1MAug 7, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased50.8MAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position50.5MMay 15, 2026
STATE STREET CORPIncreased41.1MAug 7, 2026
STATE STREET CORPReduced36.3MMay 15, 2026
JPMORGAN CHASE & COIncreased36.0MAug 12, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position28.3MMay 8, 2026
FMR LLCIncreased24.9MMay 15, 2026
Capital Research Global InvestorsIncreased24.7MAug 12, 2026
FMR LLCReduced24.0MAug 13, 2026
CAPITAL RESEARCH GLOBAL INVESTORSIncreased21.8MMay 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased21.0MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced18.9MAug 13, 2026
BANK OF AMERICA CORP /DE/Increased18.7MAug 14, 2026

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

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