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AMERICAN SUPERCONDUCTOR CORP (AMSC) — large price moves

Industrials · NASDAQ

Single sessions where AMSC closed 10% or more away from the previous close, between 2025-10-08 and 2026-10-08. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 6 moves listed, 1 has at least one filed event in the 5 days ending at the session, and 5 have none. Across the catalog most large moves have nothing filed near them, so an empty list is an ordinary result and not a gap.

Moves

  • 2026-07-30 +10.6% $26.64 to $29.45 filed events in the 5 days to 2026-07-30

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-04-30 +12.2% $47.70 to $53.54 filed events in the 5 days to 2026-04-30

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-04-22 +14.8% $41.93 to $48.15 filed events in the 5 days to 2026-04-22

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-03-06 -10.2% $30.84 to $27.70 filed events in the 5 days to 2026-03-06

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-02-10 +10.7% $28.79 to $31.88 filed events in the 5 days to 2026-02-10

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2025-11-06 -38.5% $59.42 to $36.55 filed events in the 5 days to 2025-11-06
    • 2025-11-05 Earnings Quarterly results reportedquarter ended 2025-09-30 · reported EPS USD 0.20 against an estimate of USD 0.15 · surprise +30.4%Source: SEC filing calendar + Yahoo earnings history
    • 2025-11-05 Periodic filing 10-Q filedaccession 0001437749-25-033351Source: SEC EDGAR

These are events filed near a session, listed by date. They are not ranked, and no connection between an event and a price move is stated or implied.

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See the full company profile: AMERICAN SUPERCONDUCTOR CORP (AMSC).

Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.