AMSC · American Superconductor Corp · Documents
$27.68
-0.51 (-1.81%)
At close · Oct 29
Return incl. dividend (before tax)
Q1 2027 earnings call transcript
Market Cap
$1.37B
Shares
48.44M
Volume · Oct 29
616.8K
Avg daily vol (3M)
719.14K
The company's filings as submitted to the SEC's EDGAR system — 10-K, 10-Q, 8-K, proxy statements and more — listed most recent first.
| Type | AI summary | Filing Date | Period | Open |
|---|---|---|---|---|
| 8-K | Barbara G. Littlefield resigned from American Superconductor Corporation’s Board, effective at 12 p.m. eastern time on Friday, September 18, 2026. | 2026-09-21 | 2026-09-17 | |
| 10-Q | — | 2026-08-05 | 2026-06-30 | |
| 8-K | — | 2026-08-05 | 2026-07-31 | |
| DEF 14A | — | 2026-06-18 | 2026-07-31 | |
| ARS | — | 2026-06-18 | 2026-03-31 | |
| DEFA14A | — | 2026-06-18 | — | |
| 8-K | — | 2026-06-02 | 2026-06-01 | |
| 10-K | — | 2026-05-27 | 2026-03-31 | |
| 8-K | — | 2026-05-27 | — | |
| 8-K/A | — | 2026-02-17 | 2025-12-05 | |
| 8-K | — | 2026-02-04 | — | |
| 10-Q | — | 2026-02-04 | 2025-12-31 | |
| 8-K | — | 2025-12-23 | — | |
| 8-K | — | 2025-12-10 | 2025-12-05 | |
| 10-Q | — | 2025-11-05 | 2025-09-30 | |
| 8-K | — | 2025-11-05 | — | |
| 10-Q | — | 2025-07-30 | 2025-06-30 | |
| 8-K | — | 2025-07-30 | — | |
| 8-K | — | 2025-07-29 | 2025-07-25 | |
| DEFA14A | — | 2025-06-13 | — | |
| ARS | — | 2025-06-13 | 2025-03-31 | |
| DEF 14A | — | 2025-06-13 | 2025-07-25 | |
| 8-K | — | 2025-06-11 | 2025-06-10 | |
| 8-K | — | 2025-05-21 | 2025-05-15 | |
| 10-K | — | 2025-05-21 | 2025-03-31 | |
| 8-K | — | 2025-02-05 | 2025-01-30 | |
| 10-Q | — | 2025-02-05 | 2024-12-31 | |
| 10-Q | — | 2024-10-30 | 2024-09-30 | |
| 8-K | — | 2024-10-30 | — | |
| 8-K | — | 2024-08-13 | 2024-08-12 | |
| S-3ASR | — | 2024-08-12 | — | |
| 8-K/A | — | 2024-08-06 | 2024-08-01 | |
| 10-Q | — | 2024-08-06 | 2024-06-30 | |
| 8-K | — | 2024-08-06 | — | |
| 8-K | — | 2024-08-05 | 2024-08-02 | |
| 8-K | — | 2024-08-05 | 2024-08-01 | |
| ARS | — | 2024-06-20 | 2024-03-31 | |
| DEF 14A | — | 2024-06-20 | 2024-08-02 | |
| DEFA14A | — | 2024-06-20 | — | |
| PRE 14A | — | 2024-06-10 | 2024-08-02 | |
| 8-K | — | 2024-05-29 | 2024-05-23 | |
| 10-K | — | 2024-05-29 | 2024-03-31 | |
| S-3/A | — | 2024-03-08 | — | |
| 8-K | — | 2024-01-31 | 2024-01-30 | |
| S-3 | — | 2024-01-30 | — | |
| 10-Q | — | 2024-01-24 | 2023-12-31 | |
| 8-K | — | 2024-01-24 | — | |
| 8-K | — | 2023-11-01 | — | |
| 10-Q | — | 2023-11-01 | 2023-09-30 | |
| 8-K | — | 2023-08-11 | — |
Showing 1–50 of 107 filings
Key facts
CIK
880807
CUSIP
030111207
13F (30d)
53 filings
50 filers
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