AMTECH SYSTEMS INC — 8-K/A Filings
10 8-K/A filings on record
This page lists all 8-K/A filings submitted to the SEC by AMTECH SYSTEMS INC (ASYS), sorted by most recent first. Each row links to the full filing on EdgarLookup. AMTECH SYSTEMS INC has filed 10 8-K/A documents with the SEC since 1995. To view all SEC filings by AMTECH SYSTEMS INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
3
3/A
4
4/A
424B1
424B3
424B5
425
5
8-A12G
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
DEFR14A
EFFECT
NT 10-K
NT 10-K/A
NT 10-Q
PRE 14A
REGDEX
RW
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K/A | 8-K/A | 0000950170-23-043246 | Aug 17, 2023 | Aug 8, 2023 |
| 8-K/A | 8-K/A | 0000950170-23-011642 | Apr 3, 2023 | Jan 17, 2023 |
| 8-K/A | 8-K/A | 0000720500-15-000020 | Apr 13, 2015 | Apr 9, 2015 |
| 8-K/A | 8-K/A | 0000720500-12-000024 | Dec 3, 2012 | Mar 10, 2008 |
| 8-K/A | AMENDED 8-K | 0000720500-11-000022 | Sep 12, 2011 | Sep 9, 2011 |
| 8-K/A | CURRENT REPORT | 0001206774-09-001472 | Jul 30, 2009 | Oct 8, 2007 |
| 8-K/A | AMENDMENTS - CURRENT REPORT | 0001206774-09-001188 | Jun 15, 2009 | Oct 8, 2007 |
| 8-K/A | CURRENT REPORT | 0001206774-07-002516 | Nov 2, 2007 | Oct 8, 2007 |
| 8-K/A | AMENDMENT NO. 1 TO FORM 8-K | 0001193125-04-164006 | Sep 29, 2004 | Jul 1, 2004 |
| 8-K/A | AMENDMENT TO 8-K | 0000950147-97-000622 | Sep 9, 1997 | Aug 7, 1997 |