ATLAS / Macro Radar / Reporting / AMSC

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) reporting calendar

AMERICAN SUPERCONDUCTOR CORP /DE/ files periodic reports with the SEC as AMSC on Nasdaq. Atlas tracks 74 filed reports for this issuer, each linked to its original EDGAR accession.

Next window
23 Jul 2026 – 18 Aug 2026
Latest report
10-K
Period ended
31 Mar 2026
Filed
27 May 2026
Reports on record
74

How this window is derived. Derived from this issuer's own filing history: 9 periods at a median 91-day cadence, filed a median 36 days after period end. The SEC does not publish forward reporting dates and Atlas does not estimate one.

Open AMSC market profile Latest filing on SEC EDGAR ↗ All Nasdaq reporting dates

Filed periodic reports

FormPeriod endedFiledLagSEC accession
10-K31 Mar 202627 May 202657 days0001437749-26-018542
10-Q31 Dec 20254 Feb 202635 days0001437749-26-002978
10-Q30 Sep 20255 Nov 202536 days0001437749-25-033351
10-Q30 Jun 202530 Jul 202530 days0001437749-25-023968
10-K31 Mar 202521 May 202551 days0001437749-25-017986
10-Q31 Dec 20245 Feb 202536 days0001437749-25-002900
10-Q30 Sep 202430 Oct 202430 days0001437749-24-032618
10-Q30 Jun 20246 Aug 202437 days0001437749-24-024886
10-K31 Mar 202429 May 202459 days0001437749-24-018602
10-Q31 Dec 202324 Jan 202424 days0001437749-24-002041
10-Q30 Sep 20231 Nov 202332 days0001437749-23-029753
10-Q30 Jun 20239 Aug 202340 days0001437749-23-022793
10-K31 Mar 202331 May 202361 days0001437749-23-016265
10-Q31 Dec 20221 Feb 202332 days0001437749-23-002270
10-Q30 Sep 20221 Nov 202232 days0001437749-22-025367
10-Q30 Jun 20223 Aug 202234 days0001437749-22-018630
10-K31 Mar 20221 Jun 202262 days0001437749-22-014035
10-Q31 Dec 20212 Feb 202233 days0001437749-22-002208
10-Q30 Sep 20218 Nov 202139 days0001437749-21-025699
10-Q30 Jun 20214 Aug 202135 days0001437749-21-018523
10-K31 Mar 20212 Jun 202163 days0001437749-21-013956
10-Q31 Dec 20203 Feb 202134 days0001437749-21-001877
10-Q30 Sep 20204 Nov 202035 days0001437749-20-022522
10-Q30 Jun 20205 Aug 202036 days0001437749-20-016667
10-K31 Mar 20202 Jun 202063 days0001437749-20-012276
10-Q31 Dec 20195 Feb 202036 days0001437749-20-001789
10-Q30 Sep 20195 Nov 201936 days0001437749-19-021592
10-Q30 Jun 20196 Aug 201937 days0001437749-19-015632
10-K31 Mar 20195 Jun 201966 days0001437749-19-011477
10-Q31 Dec 20185 Feb 201936 days0001628280-19-000966
10-Q30 Sep 20186 Nov 201837 days0001628280-18-013770
10-Q30 Jun 201831 Jul 201831 days0001628280-18-009847
10-K31 Mar 20186 Jun 201867 days0001628280-18-007644
10-Q31 Dec 20175 Feb 201836 days0001628280-18-000993
10-Q30 Sep 20177 Nov 201738 days0001628280-17-011077
10-Q30 Jun 20178 Aug 201739 days0001628280-17-008331
10-K31 Mar 201725 May 201755 days0001628280-17-005885
10-Q31 Dec 20166 Feb 201737 days0001628280-17-000901
10-Q30 Sep 20162 Nov 201633 days0001628280-16-020601
10-Q30 Jun 20169 Aug 201640 days0001628280-16-018764

Source: SEC EDGAR company submissions for CIK 0000880807. Atlas publishes filed facts only. The SEC does not publish forward reporting dates, so no announced future date is claimed here.