AMTECH SYSTEMS INC — 425 Filings
7 425 filings on record
This page lists all 425 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 7 425 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 |
|---|---|---|---|---|
| 425 | FORM 8-K | 0001193125-15-013392 | Jan 16, 2015 | — |
| 425 | 425 | 0000720500-15-000006 | Jan 15, 2015 | — |
| 425 | — | 0000720500-15-000004 | Jan 13, 2015 | — |
| 425 | 425 | 0000720500-14-000048 | Nov 24, 2014 | — |
| 425 | 425 | 0000720500-14-000045 | Nov 21, 2014 | — |
| 425 | 425 | 0001193125-14-379167 | Oct 23, 2014 | — |
| 425 | FORM 8-K | 0001193125-14-379155 | Oct 23, 2014 | — |