AMTECH SYSTEMS INC — EFFECT Filings
7 EFFECT filings on record
This page lists all EFFECT 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 7 EFFECT 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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-26-000911 | Mar 23, 2026 | — |
| EFFECT | — | 9999999995-17-000309 | Feb 6, 2017 | — |
| EFFECT | — | 9999999995-14-003779 | Dec 22, 2014 | — |
| EFFECT | — | 9999999995-11-002709 | Sep 14, 2011 | — |
| EFFECT | — | 9999999995-11-001538 | May 13, 2011 | — |
| EFFECT | — | 9999999995-07-004528 | Nov 15, 2007 | — |
| EFFECT | — | 9999999995-07-000385 | Jan 31, 2007 | — |