Amtech Systems ASYS SEC Filings

NASDAQ ASYS
$12.06 +0.04 (+0.33%)
At close: Nov 10, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Amtech Systems Inc (ASYS) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1SCHEDULE 13GBeneficial Ownership Report0000814133-26-000112Oct 9, 2026 9:26 PM
24Insider Transaction0001193125-26-392787Sep 16, 2026 12:19 PM
34Insider Transaction0002136935-26-000004Aug 25, 2026 10:13 PM
4SCHEDULE 13GBeneficial Ownership Report0001325447-26-000032Aug 6, 2026 8:21 PM
54Insider Transaction0001223192-26-000004Aug 5, 2026 8:19 PM
64Insider Transaction0002136935-26-000003Aug 5, 2026 8:19 PM
74Insider Transaction0001267540-26-000001Aug 5, 2026 8:18 PM
88-KCurrent Report0000720500-26-000011Aug 5, 2026 8:15 PM
910-QQuarterly & Annual Report0000720500-26-000010Aug 5, 2026 8:06 PM
108-KCurrent Report0000720500-26-000009Aug 5, 2026 8:00 PM
11SCHEDULE 13GBeneficial Ownership Report0001493152-26-034783Jul 27, 2026 8:05 PM
128-KCurrent Report0000720500-26-000008Jun 3, 2026 8:30 PM
13424B5Prospectus0000720500-26-000007Jun 3, 2026 12:06 AM
14SCHEDULE 13DBeneficial Ownership Report0001104659-26-069614Jun 2, 2026 11:29 PM
15S-3MEFProspectus0000720500-26-000006Jun 1, 2026 11:57 PM
16424B5Prospectus0000720500-26-000005Jun 1, 2026 8:05 PM
174Insider Transaction0001104659-26-068888Jun 1, 2026 8:01 PM
184Insider Transaction0002136935-26-000002May 29, 2026 5:39 PM
194Insider Transaction0001223192-26-000003May 29, 2026 5:35 PM
203Insider Transaction0002136935-26-000001May 29, 2026 5:32 PM
213Insider Transaction0001223192-26-000002May 29, 2026 5:31 PM
22SDOthers0000720500-26-000004May 26, 2026 10:04 PM
233Insider Transaction0001420485-26-000004May 14, 2026 6:50 PM
248-KCurrent Report0001193125-26-211962May 7, 2026 8:16 PM
2510-QQuarterly & Annual Report0001193125-26-211854May 7, 2026 8:04 PM
268-KCurrent Report0001193125-26-211838May 7, 2026 8:02 PM
278-KCurrent Report0001193125-26-195969Apr 30, 2026 5:17 PM
28EFFECTOthers9999999995-26-000911Mar 23, 2026 4:15 AM
29CORRESPOthers0000720500-26-000003Mar 18, 2026 4:22 PM
30UPLOADOthers0000000000-26-002672Mar 16, 2026 9:30 PM
31S-3Prospectus0000720500-26-000002Mar 13, 2026 8:59 PM
324Insider Transaction0001256949-26-000003Mar 6, 2026 10:01 PM
334Insider Transaction0001193125-26-096720Mar 6, 2026 9:38 PM
344Insider Transaction0001104659-26-024720Mar 6, 2026 9:17 PM
354Insider Transaction0001193125-26-096467Mar 6, 2026 9:02 PM
368-KCurrent Report0000720500-26-000001Mar 6, 2026 4:57 PM
37SCHEDULE 13GBeneficial Ownership Report0001398344-26-003122Feb 13, 2026 9:29 PM
3810-QQuarterly & Annual Report0001193125-26-039360Feb 5, 2026 9:05 PM
398-KCurrent Report0001193125-26-039351Feb 5, 2026 9:02 PM
40ARSOthers0001193125-26-020766Jan 23, 2026 6:18 PM
41DEF 14AOthers0001193125-26-020762Jan 23, 2026 6:16 PM
42SCHEDULE 13GBeneficial Ownership Report0000354204-26-000303Jan 21, 2026 6:21 PM
438-KCurrent Report0001193125-25-319228Dec 15, 2025 9:16 PM
448-KCurrent Report0001193125-25-314185Dec 10, 2025 9:10 PM
4510-KQuarterly & Annual Report0001193125-25-314147Dec 10, 2025 9:02 PM
468-KCurrent Report0001193125-25-304022Dec 1, 2025 10:01 PM
478-KCurrent Report0001193125-25-303881Dec 1, 2025 9:09 PM
484Insider Transaction0001104659-25-086997Sep 3, 2025 8:01 PM
494Insider Transaction0000950170-25-109373Aug 15, 2025 7:32 PM
5010-QQuarterly & Annual Report0000950170-25-104002Aug 6, 2025 8:08 PM
...

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