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No insider purchase over the last 90 days. The latest, by KEITHLEY JOSEPH P, was filed 05 Feb 2010.
Keithley Instruments Inc is a listed company. Its insiders report their share dealings to SEC (Form 4). Keithley Instruments Inc has had no insider filing for more than a year; the last one goes back to 10 December 2010.
Over the whole record (from 2006), the tally stands at 151 purchases and 75 sales.
This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
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