Arthur H House sold $494K of American Superconductor Corp /de/ (AMSC)

Executed Aug 8 2025, disclosed Aug 8 2025, the same day.

Value, as filed

$494K

9,703 sh × $50.92

Executed

Aug 8 2025

the trade date, as filed

Disclosed

Aug 8 2025

0 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

AH Arthur H House Director profile →

Arthur H House (Director) filed 1 Form 4 report in the past 24 months (0 purchases, 1 sale), most often in AMSC. The largest single filing was $494K of AMSC (9,703 sh × $50.92, as filed), executed Aug 8 2025.

The name

AMSC AMSC AMSC · 19 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→