AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 135,617 Value ($000) $8,054 Avg Close $49.99 Range $34.87 - $65.70

Q2 2025

Shares 109,170 Value ($000) $4,005 Avg Close $24.58 Range $13.98 - $37.89

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	135,617	$8,054	$49.99	$34.87 - $65.70
Q2 2025	109,170	$4,005	$24.58	$13.98 - $37.89