AmpliTech Group, Inc. — S-1/A Filings

4 S-1/A filings on record

This page lists all S-1/A filings submitted to the SEC by AmpliTech Group, Inc. (AMPGZ), sorted by most recent first. Each row links to the full filing on EdgarLookup. AmpliTech Group, Inc. has filed 4 S-1/A documents with the SEC since 2011. To view all SEC filings by AmpliTech Group, Inc., see the full filings list.

Overview All Filings Financials Insiders

All 10-12G 10-12G/A 10-K 10-K/A 10-Q 10-Q/A 144 25-NSE 3 4 4/A 424B3 424B4 424B5 8-A12B 8-K 8-K/A CERT CORRESP D DEF 14A DEF 14C DEFA14A DEFR14A DEL AM EFFECT FWP NT 10-K NT 10-Q POS AM PRE 14C PRER14C S-1 S-1/A S-1MEF S-3 S-3/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD

Form	Description	Accession Number	Filed	Period
S-1/A	FORM S-1/A	0001477932-21-000648	Feb 5, 2021	—
S-1/A	FORM S-1/A	0001477932-13-000201	Jan 15, 2013	—
S-1/A	FORM S-1/A	0001477932-12-005038	Dec 31, 2012	—
S-1/A	FORM S-1/A	0001477932-12-004781	Dec 11, 2012	—