AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 387,507 Value ($000) $11,152 Avg Close $43.24 Range $28.68 - $70.49

Q3 2025

Shares 388,226 Value ($000) $23,057 Avg Close $49.99 Range $34.87 - $65.70

Q2 2025

Shares 322,958 Value ($000) $11,849 Avg Close $24.58 Range $13.98 - $37.89

Q1 2025

Shares 309,681 Value ($000) $5,618 Avg Close $24.93 Range $17.08 - $35.44

Q4 2024

Shares 317,869 Value ($000) $7,829 Avg Close $27.58 Range $20.60 - $38.02

Q3 2024

Shares 304,528 Value ($000) $7,187 Avg Close $23.05 Range $17.02 - $32.70

Q2 2024

Shares 97,873 Value ($000) $2,289 Avg Close $16.52 Range $11.36 - $27.38

Q1 2024

Shares 15,966 Value ($000) $216 Avg Close $12.40 Range $9.37 - $15.24

Q4 2023

Shares 15,966 Value ($000) $178 Avg Close $8.46 Range $5.78 - $11.81

Q3 2023

Shares 15,966 Value ($000) $121 Avg Close $8.30 Range $5.75 - $17.37

Q2 2023

Shares 15,966 Value ($000) $100 Avg Close $4.87 Range $3.63 - $7.58

Q1 2023

Shares 15,966 Value ($000) $78 Avg Close $5.02 Range $3.53 - $6.61

Q1 2022

Shares 70,125 Value ($000) $534 Avg Close $8.56 Range $7.04 - $11.37

Q4 2021

Shares 69,351 Value ($000) $755 Avg Close $14.41 Range $10.20 - $19.36

Q3 2021

Shares 69,351 Value ($000) $1,012 Avg Close $13.86 Range $11.25 - $18.14

Q2 2021

Shares 66,373 Value ($000) $1,155 Avg Close $16.00 Range $12.73 - $20.00

Q1 2021

Shares 66,565 Value ($000) $1,263 Avg Close $24.75 Range $16.85 - $31.78

Q4 2020

Shares 65,488 Value ($000) $1,534 Avg Close $17.73 Range $12.90 - $26.44

Q3 2020

Shares 51,606 Value ($000) $748 Avg Close $11.18 Range $7.51 - $16.47

Q2 2020

Shares 53,216 Value ($000) $433 Avg Close $6.54 Range $5.09 - $8.88

Q1 2020

Shares 53,116 Value ($000) $292 Avg Close $6.86 Range $4.40 - $8.60

Q4 2019

Shares 52,233 Value ($000) $411 Avg Close $8.05 Range $7.24 - $9.82

Q3 2019

Shares 49,355 Value ($000) $387 Avg Close $8.50 Range $7.26 - $10.46

Q2 2019

Shares 49,355 Value ($000) $459 Avg Close $10.64 Range $8.08 - $13.47

Q1 2017

Shares 19,200 Value ($000) $132 Avg Close $6.73 Range $5.86 - $7.82

Q4 2016

Shares 19,200 Value ($000) $142 Avg Close $7.49 Range $6.01 - $8.55

Q3 2016

Shares 19,200 Value ($000) $135 Avg Close $7.75 Range $6.21 - $9.63

Q2 2016

Shares 19,720 Value ($000) $167 Avg Close $9.32 Range $7.44 - $12.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	387,507	$11,152	$43.24	$28.68 - $70.49
Q3 2025	388,226	$23,057	$49.99	$34.87 - $65.70
Q2 2025	322,958	$11,849	$24.58	$13.98 - $37.89
Q1 2025	309,681	$5,618	$24.93	$17.08 - $35.44
Q4 2024	317,869	$7,829	$27.58	$20.60 - $38.02
Q3 2024	304,528	$7,187	$23.05	$17.02 - $32.70
Q2 2024	97,873	$2,289	$16.52	$11.36 - $27.38
Q1 2024	15,966	$216	$12.40	$9.37 - $15.24
Q4 2023	15,966	$178	$8.46	$5.78 - $11.81
Q3 2023	15,966	$121	$8.30	$5.75 - $17.37
Q2 2023	15,966	$100	$4.87	$3.63 - $7.58
Q1 2023	15,966	$78	$5.02	$3.53 - $6.61
Q1 2022	70,125	$534	$8.56	$7.04 - $11.37
Q4 2021	69,351	$755	$14.41	$10.20 - $19.36
Q3 2021	69,351	$1,012	$13.86	$11.25 - $18.14
Q2 2021	66,373	$1,155	$16.00	$12.73 - $20.00
Q1 2021	66,565	$1,263	$24.75	$16.85 - $31.78
Q4 2020	65,488	$1,534	$17.73	$12.90 - $26.44
Q3 2020	51,606	$748	$11.18	$7.51 - $16.47
Q2 2020	53,216	$433	$6.54	$5.09 - $8.88
Q1 2020	53,116	$292	$6.86	$4.40 - $8.60
Q4 2019	52,233	$411	$8.05	$7.24 - $9.82
Q3 2019	49,355	$387	$8.50	$7.26 - $10.46
Q2 2019	49,355	$459	$10.64	$8.08 - $13.47
Q1 2017	19,200	$132	$6.73	$5.86 - $7.82
Q4 2016	19,200	$142	$7.49	$6.01 - $8.55
Q3 2016	19,200	$135	$7.75	$6.21 - $9.63
Q2 2016	19,720	$167	$9.32	$7.44 - $12.50