779 filings
4
Laura A. Dambier
4 Apr 24
AMERICAN SUPERCONDUCTOR / Laura A. Dambier ownership change
5:26pm
4
House Arthur H
4 Apr 24
AMERICAN SUPERCONDUCTOR / Arthur H House ownership change
5:24pm
4
Margaret D. Klein
4 Apr 24
AMERICAN SUPERCONDUCTOR / Margaret D. Klein ownership change
5:23pm
4
Littlefield Barbara G.
4 Apr 24
AMERICAN SUPERCONDUCTOR / Barbara G. Littlefield ownership change
5:21pm
4
Oliver David R JR
4 Apr 24
AMERICAN SUPERCONDUCTOR / DAVID R OLIVER JR ownership change
5:19pm
EFFECT
AMSC
American Superconductor Corp.
18 Mar 24
Notice of effectiveness
12:15am
SC 13G/A
AMSC
American Superconductor Corp.
14 Feb 24
AMERICAN SUPERCONDUCTOR / AWM Investment ownership change
2:49pm
424B5
AMSC
American Superconductor Corp.
31 Jan 24
Prospectus supplement for primary offering
4:50pm
8-K
AMSC
American Superconductor Corp.
31 Jan 24
Other Events
4:19pm
424B5
AMSC
American Superconductor Corp.
30 Jan 24
Prospectus supplement for primary offering
4:23pm
S-3
AMSC
American Superconductor Corp.
Shelf registration
30 Jan 24
4:16pm
SC 13G/A
Royce & Associates LP
30 Jan 24
AMERICAN SUPERCONDUCTOR / ROYCE & ASSOCIATES ownership change
1:28pm
SC 13G/A
AMSC
American Superconductor Corp.
30 Jan 24
AMERICAN SUPERCONDUCTOR / BAILLIE GIFFORD & CO ownership change
7:15am
10-Q
2023 Q3
AMSC
American Superconductor Corp.
Quarterly report
24 Jan 24
4:08pm
8-K
AMSC
American Superconductor Corp.
24 Jan 24
AMSC Reports Third Quarter Fiscal Year 2023 Financial Results and Provides Business Outlook
4:06pm
10-Q
2023 Q2
AMSC
American Superconductor Corp.
Quarterly report
1 Nov 23
4:10pm
8-K
AMSC
American Superconductor Corp.
1 Nov 23
AMSC Reports Second Quarter Fiscal Year 2023 Financial Results and Provides Business Outlook
4:08pm
8-K
AMSC
American Superconductor Corp.
11 Aug 23
Submission of Matters to a Vote of Security Holders
4:12pm
10-Q
2023 Q1
AMSC
American Superconductor Corp.
Quarterly report
9 Aug 23
4:10pm