ALPHA & OMEGA SEMICONDUCTOR

Ticker: AOSL CUSIP: G6331P104 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 694 Value ($000) $14 Avg Close $23.61 Range $17.02 - $33.01
Q4 2024
Shares 11,014 Value ($000) $408 Avg Close $37.27 Range $25.97 - $53.29
Q2 2024
Shares 3,535 Value ($000) $132 Avg Close $26.42 Range $19.38 - $37.88
Q1 2024
Shares 10 Value ($000) $0 Avg Close $24.18 Range $20.36 - $29.11
Q4 2023
Shares 4,948 Value ($000) $129 Avg Close $24.69 Range $20.03 - $30.49
Q3 2023
Shares 915 Value ($000) $27 Avg Close $31.10 Range $28.05 - $35.40
Q1 2023
Shares 7,760 Value ($000) $209 Avg Close $29.03 Range $24.05 - $38.87
Q4 2022
Shares 7,603 Value ($000) $217 Avg Close $32.35 Range $27.38 - $38.82
Q1 2022
Shares 2,984 Value ($000) $163 Avg Close $52.02 Range $38.10 - $69.99
Q4 2021
Shares 13,250 Value ($000) $802 Avg Close $43.30 Range $29.76 - $63.29
Q4 2019
Shares 5,177 Value ($000) $71 Avg Close $12.64 Range $11.09 - $14.16
Q1 2014
Shares 1,100 Value ($000) $8 Avg Close $7.40 Range $6.80 - $8.10
Q4 2013
Shares 900 Value ($000) $7 Avg Close $7.68 Range $7.10 - $8.50
Q3 2013
Shares 800 Value ($000) $7 Avg Close $7.84 Range $7.02 - $8.96