Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.
Symbol
GLWLatest filing 30 Jun 2026
Company Read
Net disposal
GLW has 111 stored insider filings.
Acquisitions account for 45.9% of classified filings and disposals account for 54.1%.
The largest stored filing is $27.9M from WEEKS, WENDELL P.
Insider
GULLO, MICHELLE LSenior Vice President & CHRO
Side
Disposal
Shares
9356
Price
0.00
Value
0
Security
Performance Share Unit
Date
15 Apr 2026
Insider
GULLO, MICHELLE LSenior Vice President & CHRO
Side
Acquisition
Shares
3793
Price
0.00
Value
0
Security
Common Stock
Date
15 Apr 2026
Insider
GULLO, MICHELLE LSenior Vice President & CHRO
Side
Disposal
Shares
3793
Price
0.00
Value
0
Security
Restricted Stock Unit
Date
15 Apr 2026
Insider
GULLO, MICHELLE LSenior Vice President & CHRO
Side
Acquisition
Shares
9356
Price
0.00
Value
0
Security
Common Stock
Date
15 Apr 2026
Insider
KAMMERUD, JORDANA DARYLSVP
Side
Disposal
Shares
12845
Price
0.00
Value
0
Security
Performance Share Unit
Plain English Guide
Insider context
What usually looks constructive
What usually needs caution
Insider filings are context, not a buy or sell instruction. Always consider role, size, timing, compensation, and the wider stock picture.
Search markets
Search by ticker symbol or company name and select a result to open its chart.
Sharemaestro
Send a message
Ask a question, report a correction, or send a publisher/support note.
Cookie preferences
Essential cookies keep Sharemaestro secure and working. Choose whether we may use optional persistent analytics and advertising technologies. Limited cookieless server measurement continues for aggregate traffic and security.