{"transactions":[{"id":511884,"issuer":{"id":16932,"kind":"organization","name":"KEITHLEY INSTRUMENTS INC","symbol":"KEI"},"owners":[{"id":2871,"kind":"organization","name":"DANAHER CORP /DE/","symbol":"DHR","position":1,"cik":"0000313616","reported_name":"DANAHER CORP /DE/","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":16933,"kind":"organization","name":"Aegean Acquisition Corp.","position":2,"cik":"0001502907","reported_name":"Aegean Acquisition Corp.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Shares","published_at":"2010-12-09T16:36:02.000Z","date":"2010-12-08","kind":"other","acquired":false,"shares":0,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This Form 4 is being filed as a result of the consummation of the merger of Aegean Acquisition Corp. (\"Merger Sub\" and together with Danaher Corporation, the \"Reporting Persons\") with and into the Issuer on December 8, 2010.  In connection with the consummation of the merger, the separate corporate existence of Merger Sub thereupon ceased, and the Issuer became an indirectly wholly-owned subsidiary of Danaher."}],"balance_after":0,"derivative":{"underlying":"Common Shares","underlying_shares":0},"source":{"system":"sec-edgar","filing":"0001209191-10-059390","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/54991/000120919110059390/doc4.xml","form_type":"4"}}]}