AMTECH SYSTEMS INC — 4 Filings
331 4 filings on record
This page lists all 4 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 331 4 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 |
|---|---|---|---|---|
| 4 | FORM 4 SUBMISSION | 0001209191-23-015505 | Mar 3, 2023 | Mar 1, 2023 |
| 4 | FORM 4 SUBMISSION | 0001209191-23-015412 | Mar 3, 2023 | Mar 1, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-23-019691 | Feb 13, 2023 | Feb 10, 2023 |
| 4 | FORM 4 SUBMISSION | 0001209191-23-003723 | Jan 18, 2023 | Jan 13, 2023 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-059820 | Dec 5, 2022 | Dec 1, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-059824 | Dec 5, 2022 | Dec 1, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-059064 | Nov 30, 2022 | Nov 28, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-059063 | Nov 30, 2022 | Nov 28, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-053677 | Oct 14, 2022 | Oct 13, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-22-099619 | Sep 13, 2022 | Sep 9, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-22-097850 | Sep 6, 2022 | Sep 1, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-047493 | Aug 25, 2022 | Aug 24, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-047495 | Aug 25, 2022 | Aug 23, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-22-061940 | May 17, 2022 | May 13, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-016262 | Mar 4, 2022 | Mar 2, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-016266 | Mar 4, 2022 | Mar 2, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-016273 | Mar 4, 2022 | Mar 2, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-22-030585 | Mar 4, 2022 | Mar 2, 2022 |
| 4 | FORM 4 | 0001104659-22-026690 | Feb 24, 2022 | Feb 22, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-143575 | Nov 24, 2021 | Nov 22, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-065523 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-065501 | Nov 18, 2021 | Nov 16, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-055456 | Sep 10, 2021 | Sep 8, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-055067 | Sep 7, 2021 | Sep 3, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-051372 | Aug 13, 2021 | Aug 12, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-104141 | Aug 12, 2021 | Aug 11, 2021 |
| 4 | FORM 4 | 0001104659-21-102922 | Aug 10, 2021 | Aug 6, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-023078 | Mar 25, 2021 | Mar 23, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-022984 | Mar 25, 2021 | Mar 23, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-21-041566 | Mar 25, 2021 | Mar 23, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-061818 | Dec 4, 2020 | Dec 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-059487 | Nov 19, 2020 | Nov 17, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-059488 | Nov 19, 2020 | Nov 17, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-059489 | Nov 19, 2020 | Nov 17, 2020 |
| 4 | FORM 4 | 0001104659-20-093879 | Aug 12, 2020 | Aug 10, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-019308 | Mar 16, 2020 | Mar 13, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-018484 | Mar 12, 2020 | Mar 10, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-016647 | Mar 5, 2020 | Mar 4, 2020 |
| 4 | FORM 4 | 0001104659-20-029704 | Mar 5, 2020 | Mar 4, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-016650 | Mar 5, 2020 | Mar 4, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-016646 | Mar 5, 2020 | Mar 4, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-015271 | Mar 3, 2020 | Mar 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-015279 | Mar 3, 2020 | Mar 2, 2020 |
| 4 | FORM 4 | 0001104659-20-026156 | Feb 27, 2020 | Feb 25, 2020 |
| 4 | FORM 4 | 0001104659-20-019289 | Feb 12, 2020 | Feb 10, 2020 |
| 4 | FORM 4 | 0001567619-19-017726 | Aug 30, 2019 | Aug 28, 2019 |
| 4 | FORM 4 | 0000720500-19-000010 | Mar 8, 2019 | Mar 6, 2019 |
| 4 | FORM 4 | 0000720500-19-000011 | Mar 8, 2019 | Mar 6, 2019 |
| 4 | FORM 4 | 0000720500-19-000012 | Mar 8, 2019 | Mar 6, 2019 |
| 4 | FORM 4 | 0000720500-19-000013 | Mar 8, 2019 | Mar 6, 2019 |