AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q3 2025

Shares 18,808 Value ($000) $1,117 Avg Close $49.99 Range $34.87 - $65.70

Q2 2025

Shares 5,661 Value ($000) $208 Avg Close $24.58 Range $13.98 - $37.89

Q1 2025

Shares 255 Value ($000) $5 Avg Close $24.93 Range $17.08 - $35.44

Q4 2024

Shares 222 Value ($000) $5 Avg Close $27.58 Range $20.60 - $38.02

Q3 2024

Shares 185 Value ($000) $4 Avg Close $23.05 Range $17.02 - $32.70

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	18,808	$1,117	$49.99	$34.87 - $65.70
Q2 2025	5,661	$208	$24.58	$13.98 - $37.89
Q1 2025	255	$5	$24.93	$17.08 - $35.44
Q4 2024	222	$5	$27.58	$20.60 - $38.02
Q3 2024	185	$4	$23.05	$17.02 - $32.70