Alpha and Omega Semi (AOSL): Congress and insider trades
Who in Congress and inside the company traded AOSL, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Alpha and Omega Semi (AOSL) is a listed stock on NASDAQ.
- 1 member of Congress filed 0 buys and 1 sell of AOSL, the latest published 2021-03-07 (7 March 2021).
- Insiders filed 1 open market buy worth $641K and 8 sells worth $2.3M, the latest filed 2026-07-17 (17 July 2026).
- Across 1 scored buy, Insiders averaged +80.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in AOSL
as of 2021-03-07| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 7 Mar 2021 | Tomasz Malinowski (D-NJ) | sell | 1Kâ15K | 18 | n/a |
Nothing matches that search.
Insider trades in AOSL
as of 2026-07-17| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 17 Jul 2026 | Xue Bing | sell | 875 | $33.99 | $29.7K | n/a |
| 17 Jun 2026 | Xue Bing | sell | 4,916 | $47.09 | $231K | n/a |
| 20 May 2026 | Xue Bing | sell | 4,916 | $41.00 | $202K | n/a |
| 20 Apr 2026 | Chang Stephen Chunping | sell | 14,884 | $34.47 | $513K | n/a |
| 20 Apr 2026 | Liang Yifan | sell | 8,625 | $35.00 | $302K | n/a |
| 20 Apr 2026 | Xue Bing | sell | 1,832 | $31.21 | $57.2K | n/a |
| 16 Apr 2026 | Liang Yifan | sell | 26,517 | $30.57 | $810K | n/a |
| 16 Apr 2026 | Chang Stephen Chunping | sell | 5,594 | $31.90 | $178K | n/a |
| 10 Mar 2026 | Chang Mike F | buy | 33,727 | $19.00 | $641K | +80.7% |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought AOSL?
0 Congress buys by 1 member and 1 insider buy are on file. The tables on this page list every one.
Did buying AOSL after a disclosure beat the market?
Across 1 scored buy, Insiders averaged +80.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.