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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-09-055865
Filing Date
2009-12-08
Accepted
2009-12-08 11:48:01
Documents
1
Period of Report
2009-12-04

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 24888
  Complete submission text file 0001209191-09-055865.txt   26565
Mailing Address
Business Address 28775 AURORA RD SOLON OH 44139 2162480400
KEITHLEY INSTRUMENTS INC (Issuer) CIK: 0000054991 (see all company filings)

IRS No.: 340794417 | State of Incorp.: OH | Fiscal Year End: 0930
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address KEITHLEY INSTRUMENTS INC 28775 AURORA ROAD CLEVELAND OH 44139
Business Address
HOERSTEN MARK A (Reporting) CIK: 0001232686 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-09965 | Film No.: 091227972