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ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) Insider Trading

Directors, officers and holders of more than 10% of AOSL report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 118 transactions on file: 1 with code P, 17 with code S and 32 with other codes.

DateInsiderCodeShares
Aug 24, 2026Chang Mike FG Gift100,947
Aug 24, 2026Chang Stephen ChunpingG Gift100,947
Aug 13, 2026Chang Mike FG Gift3,000,000
Jul 20, 2026Chien Joshua C.A Award1,368
Jul 16, 2026Xue BingS Sale875
Jul 13, 2026Chang Mike FG Gift23,754
Jun 16, 2026Xue BingS Sale4,916
Jun 1, 2026Chang Mike FG Gift30,000
May 26, 2026Chang Mike FG Gift39,780
May 22, 2026Chang Mike FG Gift736,252
May 22, 2026Chen ClaudiaS Sale217
May 22, 2026Chen ClaudiaS Sale3,844
May 21, 2026Chang Stephen ChunpingG Gift2,000
May 18, 2026Xue BingS Sale4,916
Apr 28, 2026Liang YifanG Gift300
Apr 27, 2026Liang YifanG Gift300
Apr 17, 2026Chang Stephen ChunpingS Sale9,911
Apr 17, 2026Chang Stephen ChunpingS Sale3,481
Apr 17, 2026Liang YifanS Sale8,625
Apr 17, 2026Chang Stephen ChunpingS Sale1,492
Apr 16, 2026Xue BingS Sale1,832
Apr 14, 2026Liang YifanS Sale11,187
Apr 14, 2026Chang Stephen ChunpingS Sale5,594
Apr 14, 2026Liang YifanS Sale7,939
Apr 14, 2026Liang YifanS Sale7,391
Mar 16, 2026Liang YifanF Tax Payment6,889
Mar 16, 2026Liang YifanA Award22,500
Mar 16, 2026Xue BingA Award15,000
Mar 16, 2026Xue BingF Tax Payment3,584
Mar 16, 2026Li WenjunF Tax Payment3,319
Mar 16, 2026Chang Mike FF Tax Payment14,419
Mar 16, 2026Chang Mike FA Award22,500
Mar 16, 2026Xue BingF Tax Payment5,598
Mar 16, 2026Xue BingA Award15,000
Mar 16, 2026Chang Stephen ChunpingF Tax Payment17,839
Mar 16, 2026Li WenjunF Tax Payment2,288
Mar 16, 2026Chang Stephen ChunpingF Tax Payment25,644
Mar 16, 2026Chang Stephen ChunpingA Award67,500
Mar 16, 2026Xue BingS Sale2,408
Mar 16, 2026Liang YifanA Award22,500
Mar 16, 2026Liang YifanF Tax Payment4,610
Mar 16, 2026Chang Stephen ChunpingA Award67,500
Mar 16, 2026Li WenjunA Award10,000
Mar 9, 2026Chang Mike FP Purchase33,727
Feb 17, 2026Xue BingS Sale2,460
Jan 15, 2026Xue BingS Sale737
Jan 2, 2026Liang YifanF Tax Payment8,627
Jan 2, 2026Li WenjunF Tax Payment3,157
Jan 2, 2026Xue BingF Tax Payment8,627
Jan 2, 2026Chang Stephen ChunpingF Tax Payment12,002

The full Form 4 history is on the AOSL company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.