DF DENT & CO INC filings

This page lists the SEC filings reported by DF DENT & CO INC.

SEC filings by DF DENT & CO INC ()
TypeFiled
13F-HR2007-10-16EDGAR
13F-HR2007-07-19EDGAR
13F-HR2007-04-30EDGAR
SC 13G/A2007-02-02EDGAR
13F-HR2007-01-17EDGAR
SC 13G2006-12-12EDGAR
13F-HR2006-10-13EDGAR
13F-HR2006-07-24EDGAR
13F-HR2006-04-18EDGAR
13F-HR2006-01-25EDGAR
13F-HR2005-10-18EDGAR
13F-HR/A2005-07-21EDGAR
13F-HR2005-07-21EDGAR
13F-HR2005-04-26EDGAR
13F-HR2005-01-27EDGAR
SC 13G2004-11-09EDGAR
13F-HR2004-10-20EDGAR
13F-HR2004-07-14EDGAR
13F-HR2004-04-13EDGAR
SC 13G2004-03-29EDGAR
Form 13F-HR
The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
Form SC 13D/G
Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
Form 3, 4, and 5
Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.