AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) — research page
US · us-cm-kg/NASDAQ/AMSC · as of 2026-11-08
Identity and listing
The issuer is AMERICAN SUPERCONDUCTOR CORP /DE/, listed on NASDAQ under ticker AMSC. Its ISIN is US0301112076 and its LEI is 549300S9YT8Z8LOK4452. Its security type is Corporate, its segment is not on the record, its sector is 3621 Motors & Generators, and its jurisdiction is United States — Delaware. The issuer is listed and not halted.
| field | value | source · read date |
|---|---|---|
| name | AMERICAN SUPERCONDUCTOR CORP /DE/ | source · 2026-11-08 |
| exchange | NASDAQ | source · 2026-11-08 |
| ticker | AMSC | source · 2026-11-08 |
| ISIN | US0301112076 | source · 2026-10-01 |
| LEI | 549300S9YT8Z8LOK4452 | source · 2026-11-08 |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 3621 Motors & Generators | source · 2026-11-08 |
| jurisdiction | United States — Delaware | source · 2026-11-08 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 47 filings in the window 2025-11-08 to 2026-11-08, across 23 filing days. The median gap between filing days is 10.5 days. The latest filing is dated 2026-11-04, four days before the record date of 2026-11-08, and is of type results. NASDAQ issuers have a median of 52 filings, a median cadence gap of 6.0 days and a median latency of 5.0 days across 4359 issuers. Issuers in sector 3621 Motors & Generators have a median of 51.0 filings, a median cadence gap of 6.8 days and a median latency of 7.5 days across 6 issuers. The issuer's filings are 47 against a NASDAQ median of 52 and a sector median of 51.0.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 47 | 10.5 | 4 |
| exchange median: NASDAQ (4359 issuers) | 52 | 6 | 5 |
| sector median: 3621 Motors & Generators (6 issuers) | 51 | 6.8 | 7.5 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-04 | results | 10-Q | 10-Q — FORM 10-Q |
| 2026-11-04 | results | 8-K | 8-K — FORM 8-K (items 2.02,9.01) |
| 2026-09-21 | director_change | 8-K | 8-K — FORM 8-K (items 5.02) |
| 2026-09-21 | directors_dealings | 4 | 4 — 4 |
| 2026-08-05 | results | 10-Q | 10-Q — FORM 10-Q |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting or name change lines. The domicile change is not on the record, because EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, because the exchanges' tier transfers are not EDGAR filings. The issuer is not halted.
Orderability
The outcome is not determinable, because the chapter's orderability section carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations page.
Open research
No openly published research notes were found on the record.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The issuer's years sealed are 2021, 2022, 2023, 2024, 2025 and 2026. The market's vintage is sealed, with earliest sealed date 2021-01-04. The live record began on 2026-09-12.
Sources
8 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- 10.2
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- 10.3
- https://data.sec.gov/submissions/CIK0000880807.json (identity.jurisdiction)
- 10.4
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.5
- https://mcp.us-cm-kg.ai/events/NASDAQ/AMSC (the disclosure lines)
- 10.6
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.7
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.8
- https://mcp.us-cm-kg.ai/record/NASDAQ/AMSC (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getissuer.ai/mcp with {"isin":"US0301112076"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:81b1f77699dfc2d7.