AOSL insider trading
NasdaqGS TechnologyALPHA & OMEGA SEMICONDUCTOR Ltd — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About ALPHA & OMEGA SEMICONDUCTOR Ltd
Alpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products for computing, consumer electronics, communication, and industrial applications in Hong Kong, China, South Korea, the United States, and internationally. The company offers power discrete products, including metal-oxide-semiconductor field-effect transistors (MOSFET), Shielded-Gate low voltage and mid-voltage MOSFETs, SuperJunction high voltage MOSFETs, and trench-stop insulated gate bipolar transistors (IGBTs), as well as application specific MOSFETs for use in smartphone chargers, battery packs, notebooks, desktop and servers, data centers, base stations, graphics card, game boxes, TVs, AC adapters, power supplies, motor control, power tools, e-vehicles, white goods and industrial motor drives, UPS systems, solar inverters, and industrial welding. It also provides power ICs that deliver power, as well as control and regulate the power management variables, such as the flow of current and level of voltage. The company's power ICs are used in flat panel displays, TVs, notebooks, graphic cards, servers, AI datacenters, DVD/Blu-Ray players, set-top boxes, and networking equipment. In addition, the company offers transient voltage protection products, analog switches, and electromagnetic interference filters for notebooks, desktop PCs, tablets, flat panel displays, TVs, smartphones, and portable electronic devices. Further, it provides silicon carbide, IPM, TVS, and HV gate drivers; and power modules, multiphase controllers, EZBuck regulators, and diode protection switches. Alpha and Omega Semiconductor Limited was incorporated in 2000 and is headquartered in Sunnyvale, California.
Company website: www.aosmd.com
AOSL insider activity at a glance
FilingIQ has scored 659 insider transactions for AOSL since Jan 13, 2015. The most recent filing in our index is dated Apr 28, 2026.
Across the full history, 15 open-market purchases
and 167 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on AOSL insider trades is 59.7/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
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Frequently asked
- How many insider trades does FilingIQ track for AOSL?
- FilingIQ tracks 659 Form 4 insider transactions for AOSL (ALPHA & OMEGA SEMICONDUCTOR Ltd), covering filings from Jan 13, 2015 onwards. 39 of those were filed in the last 90 days.
- Are AOSL insiders net buyers or net sellers?
- Across the full Form 4 history for AOSL, 15 transactions (2%) were open-market purchases and 167 (25%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does AOSL insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is AOSL in?
- ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) is classified in the Technology sector, specifically Semiconductors, with a current market capitalisation of $666.20M.
Methodology & sources
Every AOSL insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.