SC 13D/A | SEC Filings Hub

Filing metadata

Accession number: 0000950123-10-112300
Form type: SC 13D
Filer: KEITHLEY INSTRUMENTS INC
CIK: CIK 54991
Filed: Dec 09, 2010
Reporting period: Dec 08, 2010
Description: Activist stake

Documents

0000950123-10-112300-index.htm

Complete submission

0000950123-10-112300.txt

directory listing

Filed by

KEITHLEY INSTRUMENTS INC