AMTECH SYSTEMS INC — S-3 Filings
8 S-3 filings on record
This page lists all S-3 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 8 S-3 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 |
|---|---|---|---|---|
| S-3 | S-3 | 0000720500-26-000002 | Mar 13, 2026 | — |
| S-3 | S-3 | 0000720500-17-000004 | Jan 18, 2017 | — |
| S-3 | FORM S-3 | 0000720500-11-000005 | Aug 12, 2011 | — |
| S-3 | REGISTRATION STATEMENT FOR SPECIFIED TRANSACTIONS BY CERTAIN ISSUERS | 0001206774-11-000220 | Feb 8, 2011 | — |
| S-3 | FORM S-3 | 0001206774-06-000049 | Jan 13, 2006 | — |
| S-3 | FORM S-3 OF AMTECH SYSTEMS, INC. | 0000950147-00-001513 | Oct 2, 2000 | — |
| S-3 | FORM S-3 | 0000950147-96-000348 | Aug 14, 1996 | — |
| S-3 | FORM S-3 | 0000950147-96-000325 | Aug 9, 1996 | — |