ALPHA & OMEGA SEMICONDUCTOR

Ticker: AOSL CUSIP: G6331P104 Class: Common Stock

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

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

Q3 2025
Shares 271,100 Value ($000) $7,580 Avg Close $27.76 Range $20.67 - $31.56
Q2 2025
Shares 244,300 Value ($000) $6,269 Avg Close $21.74 Range $15.90 - $26.72
Q1 2025
Shares 177,700 Value ($000) $4,418 Avg Close $33.47 Range $23.65 - $46.65
Q4 2024
Shares 177,700 Value ($000) $6,580 Avg Close $37.27 Range $25.97 - $53.29
Q3 2024
Shares 204,700 Value ($000) $7,598 Avg Close $37.97 Range $31.73 - $47.45
Q2 2024
Shares 180,000 Value ($000) $6,727 Avg Close $26.42 Range $19.38 - $37.88
Q3 2022
Shares 48,700 Value ($000) $1,498 Avg Close $37.00 Range $28.74 - $45.89
Q2 2022
Shares 62,000 Value ($000) $2,067 Avg Close $40.95 Range $31.65 - $56.25
Q1 2022
Shares 74,000 Value ($000) $4,044 Avg Close $52.02 Range $38.10 - $69.99
Q4 2021
Shares 74,000 Value ($000) $4,481 Avg Close $43.30 Range $29.76 - $63.29
Q3 2021
Shares 74,000 Value ($000) $2,321 Avg Close $27.72 Range $23.66 - $34.00
Q2 2021
Shares 45,000 Value ($000) $1,368 Avg Close $30.74 Range $25.32 - $35.86