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Filing
Form 4
Form 4
0001209191-11-023958
·
BLACKBOARD INC
Filer
Filing index
Filing metadata
Accession number
0001209191-11-023958
Form type
Form 4
Filer
BLACKBOARD INC
CIK
CIK 1106942
Filed
Apr 21, 2011
Reporting period
Apr 19, 2011
Description
Insider transaction
Documents
Filing index
0001209191-11-023958-index.htm
Complete submission
0001209191-11-023958.txt
All documents
directory listing
Filed by
BLACKBOARD INC
CIK 1106942
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