Gary K. Willis, Director at Rofin-Sinar Technologies, holds 456.53K shares in Plug Power (Ticker: PLUG), holds 51.00K shares in Rofin-Sinar Technologies (Ticker: RSTI), holds 0.00 shares in Zygo Corporation (Ticker: ZIGO).

See the Hottest Stocks Based on Insider Trading >

Gary K. Willis
Rofin-Sinar Technologies (RSTI)
Director

Not Ranked

Gary K. Willis has not reported sufficient informative transactions and therefore cannot be ranked.

Time Frame

1 Year

Compare to

No Benchmark

How are Insiders Ranked?

Insider Holdings

100.00%

PLUG

A breakdown of Gary K. Willis's holdings

See the Top Stocks by Insiders

Insider Roles

Plug Power
(PLUG)

Director

Roles that Gary K. Willis holds in companies

See the Top Corporate Insiders

Most Profitable Insider Trade

Stock:

Rofin-Sinar Technologies
(RSTI)

Rating:Informative Sell

Date:Nov 15, 2010 - Nov 15, 2011

Return:+23.00%

The most profitable trade made by Gary K. Willis

See the Latest Stocks Traded by Insiders

Gary K. Willis's Trading History

RSTI

Rofin-Sinar Technologies

Nov 07, 2016

―

Uninformative Sell

―

$1.66M

PLUG

Plug Power

Apr 03, 2024

Director

Uninformative Buy

32.50K

$1.25M

ZIGO

Zygo Corporation

Jun 20, 2014

―

Uninformative Sell

―

List of latest transactions for each holding click on a transaction to see Gary K. Willis's performance on stock

See All Insider Trading from Today

Gary K. Willis insider profile FAQ

What is the percentage of profitable transactions made by Gary K. Willis?

The percentage of profitable transactions made by Gary K. Willis is ―.

What is the average return per transaction made by Gary K. Willis?

The average return per transaction made by Gary K. Willis is ―.

What stocks does Gary K. Willis hold?

Gary K. Willis holds: RSTI, PLUG, ZIGO stocks.

What was Gary K. Willis’s latest transaction?

Gary K. Willis latest transaction was an Uninformative Buy of $32.50K.

What was Gary K. Willis's most profitable transaction?

Gary K. Willis’s most profitable transaction was an Informative Sell of RSTI stock on November 15, 2010. The return on the trade was 23.00%.

What is Gary K. Willis's role in Rofin-Sinar Technologies?

Gary K. Willis's role in Rofin-Sinar Technologies is Director.

How can I follow the stock ratings of top corporate insiders?

Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.

Gary K. Willis Insider Profile

Gary K. Willis Rofin-Sinar Technologies (RSTI)Director