Financial reports
10-Q
2023 Q3
Quarterly report
24 Jan 24
10-Q
2023 Q2
Quarterly report
1 Nov 23
10-Q
2023 Q1
Quarterly report
9 Aug 23
ARS
2022 FY
Annual report to shareholders
28 Jun 23
10-K
2022 FY
Annual report
31 May 23
10-Q
2022 Q3
Quarterly report
1 Feb 23
10-Q
2022 Q2
Quarterly report
1 Nov 22
10-Q
2022 Q1
Quarterly report
3 Aug 22
10-K
2022 FY
Annual report
1 Jun 22
10-Q
2022 Q3
Quarterly report
2 Feb 22
Current reports
8-K
Other Events
31 Jan 24
8-K
AMSC Reports Third Quarter Fiscal Year 2023 Financial Results and Provides Business Outlook
24 Jan 24
8-K
AMSC Reports Second Quarter Fiscal Year 2023 Financial Results and Provides Business Outlook
1 Nov 23
8-K
Submission of Matters to a Vote of Security Holders
11 Aug 23
8-K
AMSC Reports First Quarter Fiscal Year 2023 Financial Results and Provides Business Outlook
9 Aug 23
8-K
Departure of Directors or Certain Officers
21 Jun 23
8-K
AMSC Reports Fourth Quarter and Full Fiscal Year 2022 Financial Results and Provides Business Outlook
31 May 23
8-K
AMSC Reports Third Quarter Fiscal Year 2022 Financial Results and Provides Business Outlook
1 Feb 23
8-K
AMSC Reports Second Quarter Fiscal Year 2022 Financial Results and Provides Business Outlook
1 Nov 22
8-K
Departure of Directors or Certain Officers
5 Aug 22
Registration and prospectus
S-3/A
Shelf registration (amended)
8 Mar 24
424B5
Prospectus supplement for primary offering
31 Jan 24
424B5
Prospectus supplement for primary offering
30 Jan 24
S-3
Shelf registration
30 Jan 24
S-8 POS
Registration of securities for employees (post-effective amendment)
17 Nov 22
S-8 POS
Registration of securities for employees (post-effective amendment)
17 Nov 22
S-8 POS
Registration of securities for employees (post-effective amendment)
17 Nov 22
S-8 POS
Registration of securities for employees (post-effective amendment)
17 Nov 22
S-8 POS
Registration of securities for employees (post-effective amendment)
17 Nov 22
S-8 POS
Registration of securities for employees (post-effective amendment)
17 Nov 22
Proxies
DEFA14A
Additional proxy soliciting materials
28 Jun 23
DEF 14A
Definitive proxy
28 Jun 23
DEFA14A
Additional proxy soliciting materials
26 Jul 22
DEFA14A
Additional proxy soliciting materials
23 Jun 22
DEF 14A
Definitive proxy
23 Jun 22
DEFA14A
Additional proxy soliciting materials
17 Jun 21
DEF 14A
Definitive proxy
17 Jun 21
DEFA14A
Additional proxy soliciting materials
19 Jun 20
DEF 14A
Definitive proxy
19 Jun 20
DEFA14A
Additional proxy soliciting materials
20 Jun 19
Other
EFFECT
Notice of effectiveness
18 Mar 24
SD
Conflict minerals disclosure
31 May 23
SD
Conflict minerals disclosure
23 May 22
EFFECT
Notice of effectiveness
22 Jun 21
SD
Conflict minerals disclosure
27 May 21
SD
Conflict minerals disclosure
26 May 20
SD
Conflict minerals disclosure
30 May 19
CT ORDER
Confidential treatment order
30 May 19
CT ORDER
Confidential treatment order
13 Feb 19
CT ORDER
Confidential treatment order
30 Aug 18
Ownership
4
Laura A. Dambier
4 Apr 24
4
Arthur H House
4 Apr 24
4
Margaret D. Klein
4 Apr 24
4
Barbara G. Littlefield
4 Apr 24
4
DAVID R OLIVER JR
4 Apr 24
SC 13G/A
AWM Investment Company, Inc.
14 Feb 24
SC 13G/A
ROYCE & ASSOCIATES LP
30 Jan 24
SC 13G/A
BAILLIE GIFFORD & CO
30 Jan 24
SC 13G/A
BAILLIE GIFFORD & CO
5 Jul 23
4
Daniel P McGahn
23 Jun 23