| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| KEI | KEITHLEY INSTRUMENTS INC | HOERSTEN MARK A | VP Business Management | Dec 08, 2010 | Option Exercise | $21.60 | 10,135 | 218,916 | 0 | Dec 10, 2010, 10:06 AM | |
| KEI | KEITHLEY INSTRUMENTS INC | HOERSTEN MARK A | VP Business Management | Jan 06, 2010 | Option Exercise | $4.55 | 10 | 46 | 6,225 | Oct 29, 2010, 12:33 PM | |
| KEI | KEITHLEY INSTRUMENTS INC | HOERSTEN MARK A | VP Business Management | Apr 06, 2010 | Option Exercise | $6.59 | 7 | 46 | 6,232 | Oct 29, 2010, 12:33 PM | |
| KEI | KEITHLEY INSTRUMENTS INC | HOERSTEN MARK A | VP Business Management | Jul 06, 2010 | Option Exercise | $8.98 | 18 | 162 | 6,250 | Oct 29, 2010, 12:33 PM | |
| KEI | KEITHLEY INSTRUMENTS INC | HOERSTEN MARK A | VP Business Management | Oct 05, 2010 | Option Exercise | $21.45 | 7 | 150 | 6,257 | Oct 29, 2010, 12:33 PM | |
| KEI | KEITHLEY INSTRUMENTS INC | HOERSTEN MARK A | VP Business Management | Oct 27, 2010 | Option Exercise | $21.53 | 1,822 | 39,228 | 10,135 | Oct 29, 2010, 12:33 PM |
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