AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

CAMPBELL NEWMAN ASSET MANAGEMENT INC's Holding History (CIK: 0000874791)

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

Q4 2025

Shares 63,148 Value ($000) $1,817 Avg Close $43.24 Range $28.68 - $70.49

Q3 2025

Shares 65,365 Value ($000) $3,882 Avg Close $49.99 Range $34.87 - $65.70

Q2 2025

Shares 65,011 Value ($000) $2,385 Avg Close $24.58 Range $13.98 - $37.89

Q1 2025

Shares 60,626 Value ($000) $1,100 Avg Close $24.93 Range $17.08 - $35.44

Q4 2024

Shares 60,205 Value ($000) $1,483 Avg Close $27.58 Range $20.60 - $38.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	63,148	$1,817	$43.24	$28.68 - $70.49
Q3 2025	65,365	$3,882	$49.99	$34.87 - $65.70
Q2 2025	65,011	$2,385	$24.58	$13.98 - $37.89
Q1 2025	60,626	$1,100	$24.93	$17.08 - $35.44
Q4 2024	60,205	$1,483	$27.58	$20.60 - $38.02