50 filings
S-8
ASYS
Amtech Systems Inc.
25 Mar 22
Registration of securities for employees
5:23pm
424B5
ASYS
Amtech Systems Inc.
18 Aug 17
Prospectus supplement for primary offering
12:00am
424B5
ASYS
Amtech Systems Inc.
17 Aug 17
Prospectus supplement for primary offering
12:00am
S-3/A
ASYS
Amtech Systems Inc.
Shelf registration (amended)
2 Feb 17
12:00am
S-3
ASYS
Amtech Systems Inc.
Shelf registration
18 Jan 17
12:00am
S-8
cphiak 4iz0jbrwccgx
22 May 15
Registration of securities for employees
12:00am
425
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16 Jan 15
Business combination disclosure
12:00am
425
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15 Jan 15
Business combination disclosure
12:00am
425
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13 Jan 15
Business combination disclosure
12:00am
424B3
4htln
23 Dec 14
Prospectus supplement
12:00am
S-4/A
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19 Dec 14
Registration of securities issued in business combination transactions (amended)
12:00am
425
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24 Nov 14
Business combination disclosure
12:00am
S-4
3c6hybgq
24 Nov 14
Registration of securities issued in business combination transactions
12:00am
425
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21 Nov 14
Business combination disclosure
12:00am
425
xissb5
23 Oct 14
Business combination disclosure
12:00am
425
93lveglzn9tnafgh6
23 Oct 14
Business combination disclosure
12:00am
S-8
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20 Jun 14
Registration of securities for employees
12:00am
S-8
54f6klh2qet b2jd
20 Jun 14
Registration of securities for employees
12:00am
RW
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23 Jan 12
Registration withdrawal request
12:00am
RW
bq50ws
9 Sep 11
Registration withdrawal request
12:00am