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UNITED GUARDIAN INC — SC 13D/A Filings

3 SC 13D/A filings on record

This page lists all SC 13D/A filings submitted to the SEC by UNITED GUARDIAN INC (UG), sorted by most recent first. Each row links to the full filing on EdgarLookup. UNITED GUARDIAN INC has filed 3 SC 13D/A documents with the SEC since 1995. To view all SEC filings by UNITED GUARDIAN INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10KSB 10QSB 10QSB/A 144 25 3 3/A 4 4/A 5 8-A12B 8-K 8-K/A ARS CERTNAS CORRESP DEF 14A DEFR14A SC 13D SC 13D/A SC 13G SC 13G/A UPLOAD
Form Description Accession Number Filed Period
SC 13D/A SCHEDULE 13D/A 0001171843-10-001042 Jun 1, 2010 —
SC 13D/A SCHEDULE 13D/A 0001171843-10-000781 May 5, 2010 —
SC 13D/A — 0000807249-09-000564 Aug 14, 2009 —