Corning Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -35.76. In total, the insiders bought 2.02M and sold 728.07K GLW shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-35.76
Buy 2.02M shares
Sell 728.07K shares
71% Buy Activity
Negligible or No Correlation
Buy Signal Low Confidence
Apr 15, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory negative Insider Power Score of -35.76.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Apr 15, 2026
Buy
Performance Share Unit
M-Exempt
O'day Michael Paul
SVP And Gm, Optical Comm.
Officer 14 092
Value: $2.37M
Apr 15, 2026
Buy
Common Stock
M-Exempt
O'day Michael Paul
SVP And Gm, Optical Comm.
Officer 6 244
Value: $1.05M
Apr 15, 2026
Buy
Performance Share Unit
M-Exempt
Kammerud Jordana Daryl
SVP
Officer 12 845
Value: $2.16M
Apr 15, 2026
Sell
Common Stock
F-InKind
Amin Jaymin
SVP And Chief Tech. Officer
Officer 24 796
Value: $4.17M
Apr 15, 2026
Buy
Performance Share Unit
M-Exempt
Becker Stefan
SVP, Finance & Corp Controller
Officer 31 046
Value: $5.22M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Gullo Michelle L
Senior Vice President & Chro
CEO / President 9 356
Value: $1.57M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Gullo Michelle L
Senior Vice President & Chro
CEO / President 3 793
Value: $638.1K
Apr 15, 2026
Buy
Common Stock
M-Exempt
Amin Jaymin
SVP And Chief Tech. Officer
Officer 35 559
Value: $5.98M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Amin Jaymin
SVP And Chief Tech. Officer
Officer 15 355
Value: $2.58M
Apr 15, 2026
Sell
Common Stock
F-InKind
Gullo Michelle L
Senior Vice President & Chro
CEO / President 6 198
Value: $1.04M
Apr 15, 2026
Buy
Restricted Stock Unit
M-Exempt
Kammerud Jordana Daryl
SVP
Officer 5 670
Value: $953.9K
Apr 15, 2026
Buy
Performance Share Unit
M-Exempt
Schlesinger Edward A
Exec. Vice President And CFO
CEO / President 43 981
Value: $7.40M
Apr 15, 2026
Sell
Common Stock
F-InKind
O'day Michael Paul
SVP And Gm, Optical Comm.
Officer 8 410
Value: $1.42M
Apr 15, 2026
Buy
Restricted Stock Unit
M-Exempt
O'day Michael Paul
SVP And Gm, Optical Comm.
Officer 6 244
Value: $1.05M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Nelson Avery H Iii
Executive Vice President & COO
CEO / President 41 173
Value: $6.93M
Apr 15, 2026
Buy
Restricted Stock Unit
M-Exempt
Nelson Avery H Iii
Executive Vice President & COO
CEO / President 17 838
Value: $3.00M
Apr 15, 2026
Buy
Performance Share Unit
M-Exempt
Nelson Avery H Iii
Executive Vice President & COO
CEO / President 41 173
Value: $6.93M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Kammerud Jordana Daryl
SVP
Officer 5 670
Value: $953.9K
Apr 15, 2026
Buy
Common Stock
M-Exempt
Kammerud Jordana Daryl
SVP
Officer 12 845
Value: $2.16M
Apr 15, 2026
Sell
Common Stock
F-InKind
Kammerud Jordana Daryl
SVP
Officer 9 018
Value: $1.52M
Apr 15, 2026
Buy
Restricted Stock Unit
M-Exempt
Schlesinger Edward A
Exec. Vice President And CFO
CEO / President 19 088
Value: $3.21M
Apr 15, 2026
Buy
Common Stock
M-Exempt
O'day Michael Paul
SVP And Gm, Optical Comm.
Officer 14 092
Value: $2.37M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Nelson Avery H Iii
Executive Vice President & COO
CEO / President 17 838
Value: $3.00M
Apr 15, 2026
Buy
Common Stock
M-Exempt
Weeks Wendell P
Chairman, CEO And President
CEO / President 235 610
Value: $39.6M
Apr 15, 2026
Sell
Common Stock
F-InKind
Weeks Wendell P
Chairman, CEO And President
CEO / President 165 622
Value: $27.9M

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT CORNING INCORPORATED
Corning
Corning Incorporated engages in display technologies, optical communications, environmental technologies, specialty materials, and life sciences businesses worldwide. The company's Display Technologies segment offers glass substrates for liquid crystal displays and organic light-emitting diodes used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. Its Optical Communications segment provides optical fibers and c...
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