ALPHA & OMEGA SEMICONDUCTOR Ltd
AOSL · Semiconductors & Related Devices · 29.9M shares · +5%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$24M (gross $13M, SBC $37M)
Reference price $47.09 · est. market cap ~$1.4B — last insider sale, 2026-06-16 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D48Power-semiconductor maker with operating losses and cash burn this year.
Strengths
- Strong liquidity, low leverage — current ratio 2.56, D/E 0.02
Risks
- Operating/net losses — operating margin -4.1%, net margin -13.9%, ROE -11.8%
- Cash burn — FCF -$7.5M
- Semiconductor cyclicality and China exposure — per 10-K
Notable findings
- Cash burnNegative free cash flow (-7.5M)
- Net lossNet loss (net margin -13.9%)
- Exec changeRecent 8-K item 5.02 8-K ↗
- Strong balance sheetStrong balance sheet — $153M cash & investments, ~82 quarters of runway
- Insider buyingInsider buying — 1 open-market buy(s) by 1 insider(s) (~$640,813, last 6mo) Form 4 ↗
- Insider sellingInsider selling — 16 open-market sale(s) by 4 insider(s) (cluster of 4 insiders, ~$3M, last 6mo) Form 4 ↗
- China exposure• Evolving export control regulations may adversely affect our financial performance and business operations
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
23.1%
Operating margin
-4.1%
Net margin
-13.9%
Return on equity
-11.8%
Return on assets
-9.4%
ROIC
-2.7%
Revenue growth (QoQ)
0.9%
Debt / equity
0.0×
Net debt / EBITDA
-4.1×
Current ratio
2.6×
Free cash flow
-$8M
EBITDA
$34M
Tangible book value
$822M
Cash & investments
$153M
Cash runway
82q
Stock comp / revenue
4.2%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-16 | Xue Bing | Sell | 4.9K | $47.09 |
| 2026-06-01 | Chang Mike F | Gift | 30K | — |
| 2026-05-26 | Chang Mike F | Gift | 40K | — |
| 2026-05-22 | Chen Claudia | Sell | 217 | $40.54 |
| 2026-05-22 | Chen Claudia | Sell | 3.8K | $39.47 |
| 2026-05-22 | Chang Mike F | Gift | 736K | — |
| 2026-05-21 | Chang Stephen Chunping | Gift | 2.0K | — |
| 2026-05-18 | Xue Bing | Sell | 4.9K | $41.00 |
| 2026-04-28 | Liang Yifan | Gift | 300 | — |
| 2026-04-27 | Liang Yifan | Gift | 300 | — |
| 2026-04-17 | Chang Stephen Chunping | Sell | 9.9K | $34.90 |
| 2026-04-17 | Liang Yifan | Sell | 8.6K | $35.00 |
| 2026-04-17 | Chang Stephen Chunping | Sell | 1.5K | $32.90 |
| 2026-04-17 | Chang Stephen Chunping | Sell | 3.5K | $33.90 |
| 2026-04-16 | Xue Bing | Sell | 1.8K | $31.21 |
| 2026-04-14 | Liang Yifan | Sell | 11K | $32.00 |
| 2026-04-14 | Liang Yifan | Sell | 7.4K | $29.00 |
| 2026-04-14 | Liang Yifan | Sell | 7.9K | $30.00 |
| 2026-04-14 | Chang Stephen Chunping | Sell | 5.6K | $31.90 |
| 2026-03-16 | Chang Mike F | Tax withheld | 9.8K | $21.43 |
| 2026-03-16 | Chang Mike F | Grant | 22K | — |
| 2026-03-16 | Xue Bing | Sell | 2.4K | $21.92 |
| 2026-03-16 | Xue Bing | Grant | 15K | — |
| 2026-03-16 | Xue Bing | Tax withheld | 5.6K | $21.43 |
| 2026-03-16 | Xue Bing | Tax withheld | 3.6K | $21.43 |
| 2026-03-16 | Xue Bing | Grant | 15K | — |
| 2026-03-16 | Chang Mike F | Grant | 22K | — |
| 2026-03-16 | Li Wenjun | Tax withheld | 3.3K | $21.43 |
| 2026-03-16 | Li Wenjun | Tax withheld | 2.3K | $21.43 |
| 2026-03-16 | Li Wenjun | Grant | 10K | — |
| 2026-03-16 | Chang Mike F | Tax withheld | 14K | $21.43 |
| 2026-03-16 | Chang Mike F | Grant | 22K | — |
| 2026-03-16 | Li Wenjun | Grant | 10K | — |
| 2026-03-16 | Li Wenjun | Tax withheld | 3.3K | $21.43 |
| 2026-03-16 | Li Wenjun | Tax withheld | 2.3K | $21.43 |
| 2026-03-16 | Li Wenjun | Grant | 10K | — |
| 2026-03-16 | Chang Stephen Chunping | Grant | 68K | — |
| 2026-03-16 | Chang Stephen Chunping | Tax withheld | 26K | $21.43 |
| 2026-03-16 | Chang Stephen Chunping | Tax withheld | 18K | $21.43 |
| 2026-03-16 | Chang Stephen Chunping | Grant | 68K | — |
| 2026-03-16 | Liang Yifan | Grant | 22K | — |
| 2026-03-16 | Liang Yifan | Tax withheld | 6.9K | $21.43 |
| 2026-03-16 | Liang Yifan | Tax withheld | 4.6K | $21.43 |
| 2026-03-16 | Liang Yifan | Grant | 22K | — |
| 2026-03-16 | Chang Mike F | Tax withheld | 18K | $21.43 |
| 2026-03-09 | Chang Mike F | Buy | 34K | $19.00 |
| 2026-02-17 | Xue Bing | Sell | 2.5K | $22.33 |
| 2026-01-15 | Xue Bing | Sell | 737 | $22.43 |
| 2026-01-02 | Li Wenjun | Tax withheld | 3.2K | $20.66 |
| 2026-01-02 | Xue Bing | Tax withheld | 8.6K | $20.66 |
| 2026-01-02 | Liang Yifan | Tax withheld | 8.6K | $20.66 |
| 2026-01-02 | Chang Stephen Chunping | Tax withheld | 12K | $20.66 |
| 2026-01-02 | Chang Mike F | Tax withheld | 17K | $20.66 |
| 2025-12-15 | Liang Yifan | Gift | 500 | — |
| 2025-12-15 | Xue Bing | Sell | 1.8K | $20.56 |
| 2025-11-14 | Xue Bing | Sell | 1.8K | $18.16 |
| 2025-11-11 | Li Hanqing | Grant | 5.7K | — |
| 2025-11-11 | Jeong So-Yeon | Grant | 5.7K | — |
| 2025-11-11 | Pfeiffer Michael L | Grant | 5.7K | — |
| 2025-11-11 | Chang Lucas S. | Grant | 5.7K | — |
| 2025-11-11 | SALAMEH MICHAEL J | Grant | 5.7K | — |
| 2025-11-11 | Chen Claudia | Grant | 5.7K | — |
| 2025-11-11 | OWYANG KING | Grant | 5.7K | — |
| 2025-10-20 | Chang Mike F | Gift | 40K | — |
| 2025-10-17 | Liang Yifan | Gift | 300 | — |
| 2025-09-09 | Chang Stephen Chunping | Gift | 2.1K | — |
| 2025-08-15 | Xue Bing | Tax withheld | 508 | $26.50 |
| 2025-05-12 | Xue Bing | Sell | 1.8K | $23.73 |
| 2025-03-17 | Li Wenjun | Grant | 10K | — |
| 2025-03-17 | Li Wenjun | Tax withheld | 3.0K | $27.61 |
| 2025-03-17 | Li Wenjun | Tax withheld | 1.9K | $27.61 |
| 2025-03-17 | Li Wenjun | Grant | 10K | — |
| 2025-03-17 | Xue Bing | Grant | 15K | — |
| 2025-03-17 | Xue Bing | Tax withheld | 8.3K | $27.61 |
| 2025-03-17 | Xue Bing | Tax withheld | 4.3K | $27.61 |
| 2025-03-17 | Xue Bing | Grant | 15K | — |
| 2025-03-17 | Liang Yifan | Grant | 22K | — |
| 2025-03-17 | Liang Yifan | Tax withheld | 9.5K | $27.61 |
| 2025-03-17 | Liang Yifan | Tax withheld | 5.2K | $27.61 |
| 2025-03-17 | Liang Yifan | Grant | 18K | — |
| 2025-03-17 | Chang Stephen Chunping | Grant | 68K | — |
| 2025-03-17 | Chang Stephen Chunping | Tax withheld | 20K | $27.61 |
| 2025-03-17 | Chang Stephen Chunping | Tax withheld | 11K | $27.61 |
| 2025-03-17 | Chang Stephen Chunping | Grant | 58K | — |
| 2025-03-17 | Chang Mike F | Grant | 22K | — |
| 2025-03-17 | Chang Mike F | Tax withheld | 27K | $27.61 |
| 2025-03-17 | Chang Mike F | Tax withheld | 21K | $27.61 |
| 2025-03-17 | Chang Mike F | Grant | 38K | — |
| 2025-01-13 | Xue Bing | Sell | 1.2K | $35.00 |
| 2025-01-02 | Chang Stephen Chunping | Tax withheld | 11K | $36.54 |
| 2025-01-02 | Xue Bing | Tax withheld | 10K | $36.54 |
| 2025-01-02 | Chang Mike F | Tax withheld | 22K | $36.54 |
| 2025-01-02 | Li Wenjun | Tax withheld | 2.5K | $36.54 |
| 2025-01-02 | Liang Yifan | Tax withheld | 10K | $36.54 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-05-12 | Acquisition/dispositionExhibits | filing ↗ |
| 2026-05-06 | ResultsExhibits | filing ↗ |
| 2026-04-17 | Exec/director change | filing ↗ |
| 2026-03-09 | Exec/director change | filing ↗ |
| 2026-02-05 | ResultsExhibits | filing ↗ |
| 2025-11-17 | Shareholder vote | filing ↗ |
| 2025-11-05 | ResultsExhibits | filing ↗ |
| 2025-08-06 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-12 | 2026-05-11 | 0001628280-26-034090 ↗ |
| 8-K | 2026-05-06 | 2026-05-06 | 0001628280-26-031274 ↗ |
| 10-Q | 2026-05-06 | 2026-03-31 | 0001628280-26-031360 ↗ |
| 8-K | 2026-04-17 | 2026-04-13 | 0001628280-26-025742 ↗ |
| 8-K | 2026-03-09 | 2026-03-05 | 0001387467-26-000019 ↗ |
| 8-K | 2026-02-05 | 2026-02-05 | 0001387467-26-000012 ↗ |
| 10-Q | 2026-02-05 | 2025-12-31 | 0001387467-26-000013 ↗ |
| 8-K | 2025-11-17 | 2025-11-11 | 0001387467-25-000079 ↗ |
| 10-Q | 2025-11-06 | 2025-09-30 | 0001387467-25-000066 ↗ |
| 8-K | 2025-11-05 | 2025-11-05 | 0001387467-25-000064 ↗ |
| 10-K | 2025-08-28 | 2025-06-30 | 0001628280-25-041297 ↗ |
| 8-K | 2025-08-06 | 2025-08-06 | 0001628280-25-038309 ↗ |