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AmpliTech Group, Inc. — S-3/A Filings

3 S-3/A filings on record

This page lists all S-3/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 3 S-3/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-3/A S-3/A 0001493152-25-011518 Jul 31, 2025
S-3/A 0001493152-24-015341 Apr 19, 2024
S-3/A FORM S-3/A 0001477932-22-002647 Apr 27, 2022