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Alpha and Omega Semiconductor

Alpha and Omega Semiconductor (NASDAQ: AOSL) insider transactions

In the twelve months to 10 November 2026, executives and directors of Alpha and Omega Semiconductor reported 19 open-market sales of 81,515 shares ($2.7m) and 1 open-market purchase of 33,727 shares ($640,813), by 5 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Alpha and Omega Semiconductor shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
24 August 2026Chang Mike FDirectorGift−100,947—3,698,839Form 4
24 August 2026Chang Stephen ChunpingChief Executive OfficerGift+100,947—100,947Form 4
13 August 2026Chang Mike FDirectorGift−3,000,000—560,540Form 4
20 July 2026Chien Joshua C.DirectorGrant or award+1,368—1,368Form 4
16 July 2026Xue BingEVP-WW Sales & Bus DevelopmentOpen-market sale, 10b5-1 plan−875$33.99122,785Form 4
13 July 2026Chang Mike FDirectorGift−23,754—3,560,540Form 4
16 June 2026Xue BingEVP-WW Sales & Bus DevelopmentOpen-market sale, 10b5-1 plan−4,916$47.09123,660Form 4
1 June 2026Chang Mike FDirectorGift−30,000—3,584,294Form 4
26 May 2026Chang Mike FDirectorGift−39,780—3,614,294Form 4
22 May 2026Chang Mike FDirectorGift−736,252—3,654,074Form 4
22 May 2026Chen ClaudiaDirectorOpen-market sale, 10b5-1 plan−3,844$39.4728,409Form 4
22 May 2026Chen ClaudiaDirectorOpen-market sale, 10b5-1 plan−217$40.5428,192Form 4
21 May 2026Chang Stephen ChunpingChief Executive OfficerGift−2,000—634,070Form 4
18 May 2026Xue BingEVP-WW Sales & Bus DevelopmentOpen-market sale, 10b5-1 plan−4,916$41.00127,701Form 4
28 April 2026Liang YifanCFO and Corp SecretaryGift−300—269,403Form 4
27 April 2026Liang YifanCFO and Corp SecretaryGift−300—269,703Form 4
17 April 2026Chang Stephen ChunpingChief Executive OfficerOpen-market sale, 10b5-1 plan−1,492$32.90649,293Form 4
17 April 2026Chang Stephen ChunpingChief Executive OfficerOpen-market sale, 10b5-1 plan−3,481$33.90645,812Form 4
17 April 2026Chang Stephen ChunpingChief Executive OfficerOpen-market sale, 10b5-1 plan−9,911$34.90635,901Form 4
17 April 2026Liang YifanCFO and Corp SecretaryOpen-market sale, 10b5-1 plan−8,625$35.00270,003Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Alpha and Omega Semiconductor page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.