Alpha and Omega Semiconductor Limited (AOSL) Insider Trading

Over the last 3 months, AOSL insiders made 1 open-market buy and 13 sales, a net sale of -$1.6M (SEC Form 4). Over the last 6 months, 141 institutions increased and 109 reduced their position (13F).

Insider Activity

Sentiment
19/100
Buys (3m)
1
Sells (3m)
13
Net (3m)
-$1.6M
Insiders buying
Insider trades by month Buys Sells
Dec
Jan
Feb
Mar
Apr
May
Context3-month price +149.5%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 26, 2026Chen ClaudiadirectorSell3,844$39.47
May 26, 2026Chen ClaudiadirectorSell217$40.54
May 20, 2026Xue Bingofficer: EVP-WW Sales & Bus DevelopmentSell4,916$41.00
Apr 20, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerSell9,911$34.90
Apr 20, 2026Liang Yifanofficer: CFO and Corp SecretarySell8,625$35.00
Apr 20, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerSell1,492$32.90
Apr 20, 2026Xue Bingofficer: EVP-WW Sales & Bus DevelopmentSell1,832$31.21
Apr 20, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerSell3,481$33.90
Apr 16, 2026Liang Yifanofficer: CFO and Corp SecretarySell7,939$30.00
Apr 16, 2026Liang Yifanofficer: CFO and Corp SecretarySell11,187$32.00
Apr 16, 2026Liang Yifanofficer: CFO and Corp SecretarySell7,391$29.00
Apr 16, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerSell5,594$31.90
Mar 25, 2026Li Wenjunofficer: Chief Operating OfficerTax3,319$21.43
Mar 25, 2026Li Wenjunofficer: Chief Operating OfficerGrant10,000—
Mar 25, 2026Li Wenjunofficer: Chief Operating OfficerTax2,288$21.43
Mar 25, 2026Chang Mike Fdirector, 10 percent owner: Grant22,500—
Mar 25, 2026Chang Mike Fdirector, 10 percent owner: Tax14,419$21.43
Mar 18, 2026Li Wenjunofficer: Chief Operating OfficerTax3,272$21.43
Mar 18, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerGrant67,500—
Mar 18, 2026Xue Bingofficer: EVP-WW Sales & Bus DevelopmentTax3,584$21.43
Mar 18, 2026Chang Mike Fdirector, 10 percent owner: Tax9,829$21.43
Mar 18, 2026Li Wenjunofficer: Chief Operating OfficerGrant10,000—
Mar 18, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerTax25,644$21.43
Mar 18, 2026Xue Bingofficer: EVP-WW Sales & Bus DevelopmentSell2,408$21.92
Mar 18, 2026Xue Bingofficer: EVP-WW Sales & Bus DevelopmentTax5,598$21.43
Mar 18, 2026Liang Yifanofficer: CFO and Corp SecretaryGrant22,500—
Mar 18, 2026Chang Stephen Chunpingdirector, officer: Chief Executive OfficerTax17,839$21.43
Mar 18, 2026Xue Bingofficer: EVP-WW Sales & Bus DevelopmentGrant15,000—
Mar 18, 2026Chang Mike Fdirector, 10 percent owner: Grant22,500—
Mar 18, 2026Chang Mike Fdirector, 10 percent owner: Tax17,984$21.43

Source: AOSL SEC Form 4 filings, latest May 26, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their AOSL positions over the last 6 months (SEC Form 13F).

Increased
141
New positions
43
Reduced
109
Sold out
60
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased3.9MFeb 12, 2026
BLACKROCK, INC.Reduced3.9MMay 13, 2026
VANGUARD GROUP INCReduced2.4MJan 29, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THEIncreased1.6MFeb 13, 2026
DIMENSIONAL FUND ADVISORS LPReduced1.6MFeb 12, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THEReduced1.6MMay 15, 2026
DIMENSIONAL FUND ADVISORS LPReduced1.6MMay 7, 2026
STATE STREET CORPIncreased1.5MFeb 13, 2026
STATE STREET CORPReduced1.4MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position1.2MMay 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1.1MMay 15, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased1.0MFeb 17, 2026
WELLINGTON MANAGEMENT GROUP LLPReduced695KMay 15, 2026
BOSTON PARTNERSReduced689KFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased629KMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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