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Insider Trading: Keithley Instruments Inc

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Keithley Instruments Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Keithley Instruments Inc since year 2005. Table 2 shows the detailed insider transactions of Keithley Instruments Inc since 2005. The reporting company's ticker symbol is KEI. The reporting company's CIK number is 54991.

The total value of stock buying since 2005 is $61,782. The total value of stock sales is $463,394. The total value of stock exercises is $363,776.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Keithley Instruments Inc (KEI) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • $185,214

    $18,521

    $1,852

    $185

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Keithley Instruments Inc (KEI) in the past 24 months. See table 2 for insider transaction details.

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • $15.25

    $11.44

    $7.62

    $3.81



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Keithley Instruments Inc (KEI).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-11 0 0 0 0 38,400 0
2008-07 0 0 18,500 185,214 18,500 71,132
2008-05 0 0 5,000 49,025 5,000 12,656
2008-01 0 0 0 0 11,616 44,063
2007-12 0 0 6,500 60,054 0 0
2007-11 0 0 0 0 6,500 32,093
2007-09 0 0 0 0 30,000 171,564
2007-08 2,000 21,524 0 0 2,000 8,250
2007-07 0 0 0 0 1,200 6,862
2007-05 2,000 24,268 8,640 104,711 0 0
2007-04 0 0 400 6,100 0 0
2007-02 0 0 3,800 58,290 3,000 17,156
2007-01 0 0 0 0 1,934 0
2005-03 1,000 15,990 0 0 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Keithley Instruments Inc (KEI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-11-06 Chipchase Stephen Arthur (Vice President, Operations) Option Exercise 2,300 .00 0
2008-11-06 Pendergrass Larry L (VP New Product Development) Option Exercise 3,375 .00 0
2008-11-06 Rae Linda C (Executive VP & COO) Option Exercise 6,300 .00 0
2008-11-06 Hoersten Mark A (VP Business Management) Option Exercise 3,375 .00 0
2008-11-06 Gaffney Alan S (VP Comm Mkt & Info Sys) Option Exercise 2,300 .00 0
2008-11-06 Plush Mark J (VP, CFO) Option Exercise 4,000 .00 0
2008-11-06 Etsler Philip (VP Human Resources) Option Exercise 2,500 .00 0
2008-11-06 Keithley Joseph P (Director, Chairman, CEO) Option Exercise 14,250 .00 0
2008-07-29 Rae Linda C (Executive VP & COO) Sale 6,500 10.03 65,224
2008-07-29 Rae Linda C (Executive VP & COO) Option Exercise 6,500 3.33 21,632
2008-07-29 Pesec John A (VP Worldwide Sales & Support) Sale 12,000 10.00 119,990
2008-07-29 Pesec John A (VP Worldwide Sales & Support) Option Exercise 12,000 4.12 49,500
2008-05-27 Pesec John A (VP Worldwide Sales & Support) Sale 5,000 9.80 49,025
2008-05-27 Pesec John A (VP Worldwide Sales & Support) Option Exercise 5,000 2.53 12,656
2008-01-30 Hendrix Leon J Jr (Director) Option Exercise 10,000 4.41 44,063
2008-01-02 Bachman Brian R (Director) Option Exercise 1,616 .00 0
2007-12-28 Keithley Joseph P (Director, Chairman, CEO) Sale 3,500 9.24 32,322
2007-12-27 Keithley Joseph P (Director, Chairman, CEO) Sale 3,000 9.24 27,732
2007-11-30 Keithley Joseph P (Director, Chairman, CEO) Option Exercise 6,500 4.94 32,093
2007-09-14 Keithley Joseph P (Director, Chairman, CEO) Option Exercise 30,000 5.72 171,564
2007-08-29 Gaffney Alan S (VP Comm Mkt & Info Sys) Option Exercise 2,000 4.12 8,250
2007-08-06 Taylor Suzanne Schulze (VP, General Counsel, CCO) Purchase 2,000 10.76 21,524
2007-07-31 Hoersten Mark A (VP Business Management) Option Exercise 1,200 5.72 6,862
2007-05-11 Etsler Philip (VP Human Resources) Sale 8,640 12.12 104,711
2007-05-01 Taylor Suzanne Schulze (VP, General Counsel, CCO) Purchase 2,000 12.13 24,268
2007-04-02 Bachman Brian R (Director) Sale 400 15.25 6,100
2007-02-26 Pesec John A (VP Worldwide Sales & Support) Sale 3,000 15.43 46,290
2007-02-26 Pesec John A (VP Worldwide Sales & Support) Option Exercise 3,000 5.72 17,156
2007-02-20 Bachman Brian R (Director) Sale 800 15.00 12,000
2007-01-03 Bachman Brian R (Director) Option Exercise 1,934 .00 0
2005-03-14 Griswold James B (Director) Purchase 1,000 15.99 15,990

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Keithley Instruments Inc (symbol KEI, CIK number 54991) see the Securities and Exchange Commission (SEC) website.

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