AOSL Alpha and Omega Semiconductor Limited

NASDAQ
$24.22

Alpha and Omega Semiconductor Limited (AOSL) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with AOSL's own trailing one-year pace, with 100% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
4
19 transactions
Purchases
$640.8K
33,727 shares
Sales
$2.7M
81,515 shares
Net activity
-$2.0M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $2.7M 19 transactions · 81,515 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $358.0K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: March 9, 2026 , by Chang Mike F .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 875 $33.99 $29.7K 122,785 −0.7% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 4,916 $47.09 $231.5K 123,660 −3.8% of holding
Chen Claudia 2 fills Director Sell 10b5-1 4,061 $39.53 $160.5K 28,409 −12.5% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 4,916 $41.00 $201.6K 127,701 −3.7% of holding
Chang Stephen Chunping 3 fills Chief Executive Officer Sell 10b5-1 14,884 $34.47 $513.0K 649,293 −2.2% of holding
Liang Yifan CFO and Corp Secretary Sell 10b5-1 8,625 $35.00 $301.9K 270,003 −3.1% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 1,832 $31.21 $57.2K 132,617 −1.4% of holding
Liang Yifan 3 fills CFO and Corp Secretary Sell 10b5-1 26,517 $30.57 $810.5K 297,754 −8.2% of holding
Chang Stephen Chunping Chief Executive Officer Sell 10b5-1 5,594 $31.90 $178.4K 650,785 −0.9% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 2,408 $21.92 $52.8K 113,631 −2.1% of holding
Chang Mike F Director Buy 33,727 $19.00 $640.8K 4,369,574
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 2,460 $22.33 $54.9K 116,039 −2.1% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 737 $22.43 $16.5K 118,499 −0.6% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 1,845 $20.56 $37.9K 127,863 −1.4% of holding
Xue Bing EVP-WW Sales & Bus Development Sell 10b5-1 1,845 $18.16 $33.5K 129,708 −1.4% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.