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AmpliTech Group, Inc. — 424B3 Filings

5 424B3 filings on record

This page lists all 424B3 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 5 424B3 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
424B3 424B3 0001493152-26-000417 Jan 5, 2026
424B3 424B3 0001493152-26-000416 Jan 5, 2026
424B3 424B3 0001493152-25-026501 Dec 8, 2025
424B3 424B3 0001477932-21-003044 May 12, 2021
424B3 FORM 424B3 0001477932-13-003267 Jul 18, 2013