AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

Rockefeller Capital Management L.P.'s Holding History (CIK: 0001739439)

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

Q4 2025

Shares 1,563 Value ($000) $45 Avg Close $43.24 Range $28.68 - $70.49

Q3 2025

Shares 1,071 Value ($000) $64 Avg Close $49.99 Range $34.87 - $65.70

Q4 2022

Shares 1,200 Value ($000) $0 Avg Close $3.91 Range $3.20 - $4.92

Q3 2022

Shares 1,200 Value ($000) $5 Avg Close $5.18 Range $4.34 - $6.35

Q2 2022

Shares 1,200 Value ($000) $6 Avg Close $5.79 Range $4.23 - $8.31

Q1 2022

Shares 1,200 Value ($000) $9 Avg Close $8.56 Range $7.04 - $11.37

Q4 2021

Shares 1,200 Value ($000) $13 Avg Close $14.41 Range $10.20 - $19.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,563	$45	$43.24	$28.68 - $70.49
Q3 2025	1,071	$64	$49.99	$34.87 - $65.70
Q4 2022	1,200	$0	$3.91	$3.20 - $4.92
Q3 2022	1,200	$5	$5.18	$4.34 - $6.35
Q2 2022	1,200	$6	$5.79	$4.23 - $8.31
Q1 2022	1,200	$9	$8.56	$7.04 - $11.37
Q4 2021	1,200	$13	$14.41	$10.20 - $19.36