AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2025
Shares 835,900 Value ($000) $24,057 Avg Close $43.24 Range $28.68 - $70.49
Q3 2025
Shares 665,700 Value ($000) $39,536 Avg Close $49.99 Range $34.87 - $65.70
Q2 2025
Shares 668,200 Value ($000) $24,516 Avg Close $24.58 Range $13.98 - $37.89
Q1 2025
Shares 668,200 Value ($000) $12,121 Avg Close $24.93 Range $17.08 - $35.44
Q4 2024
Shares 664,400 Value ($000) $16,364 Avg Close $27.58 Range $20.60 - $38.02
Q3 2024
Shares 664,400 Value ($000) $15,680 Avg Close $23.05 Range $17.02 - $32.70
Q2 2024
Shares 664,400 Value ($000) $15,540 Avg Close $16.52 Range $11.36 - $27.38
Q1 2024
Shares 634,400 Value ($000) $8,571 Avg Close $12.40 Range $9.37 - $15.24
Q4 2023
Shares 375,800 Value ($000) $4,186 Avg Close $8.46 Range $5.78 - $11.81