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American Superconductor Corporation (AMSC) short interest & options flow

NASDAQ

American Superconductor heads into its August 6 earnings report with a notable insider selling cluster still fresh in the rearview mirror and short sellers quietly reducing exposure ahead of the release. The insider angle is the sharpest signal in the data. In early June, CEO Daniel McGahn and CFO John Kosiba both sold shares across multiple transactions — McGahn disposing of roughly 25,000…

Latest pulse5 Aug 2026

AMSC cost to borrow doubles to 0.50% in one week, signaling tightening supply as short interest eases.

$26.26-5.13% 1d-6.85% 1w-12.50% 1mClose: 4 Nov 2026
Cost to borrow
Low and dropping
Live CTB on ORTEX →
Market cap
$1.27B
Next earnings
5 Nov 2026
See the full picture on ORTEX →Live short interest, options flow, signals, 13F filings, and more.

Key data as of 5 Nov 2026

ORTEX chart of American Superconductor Corporation (AMSC) share price and short interest (% of free float), six months to November 4, 2026

Latest signals on AMSC

  • Cost to Borrow

    AMSC cost to borrow doubles to 0.50% in one week, signaling tightening supply as short interest eases.

  • Short Interest

    AMSC short interest jumps 23% in one week to 8.63% of float, driven by stock rally that gained 66% in one month.

AMSC news and analysis

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