SEC CIK 1722000
Chang Stephen Chunping
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| AOSLview stock → | 100,947 | 2026-08-24 |
Position History — AOSL
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — AOSL
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-24 | Gift | 100,947 | $0.00 | 100,947 |
| 2026-05-21 | Gift | 2,000 | $0.00 | 634,070 |
| 2026-04-17 | Open-market sale | 9,911 | $34.90 | 635,901 |
| 2026-04-17 | Open-market sale | 3,481 | $33.90 | 645,812 |
| 2026-04-17 | Open-market sale | 1,492 | $32.90 | 649,293 |
| 2026-04-14 | Open-market sale | 5,594 | $31.90 | 650,785 |
| 2026-03-16 | Grant / award | 67,500 | $0.00 | 656,379 |
| 2026-03-16 | Tax withholding | 17,839 | $21.43 | 588,879 |
| 2026-03-16 | Tax withholding | 25,644 | $21.43 | 606,718 |
| 2026-03-16 | Grant / award | 67,500 | $0.00 | 632,362 |
| 2026-01-02 | Tax withholding | 12,002 | $20.66 | 564,862 |
| 2025-09-09 | Gift | 2,100 | $0.00 | 576,705 |
| 2025-03-17 | Tax withholding | 19,996 | $27.61 | 532,191 |
| 2025-03-17 | Tax withholding | 11,013 | $27.61 | 521,178 |
| 2025-03-17 | Grant / award | 57,500 | $0.00 | 578,678 |
| 2025-03-17 | Grant / award | 67,500 | $0.00 | 552,187 |
| 2025-01-02 | Tax withholding | 11,224 | $36.54 | 484,687 |
| 2024-11-08 | Gift | 2,000 | $0.00 | 495,784 |
| 2024-03-15 | Tax withholding | 6,080 | $21.55 | 496,909 |
| 2024-03-15 | Tax withholding | 13,940 | $21.55 | 502,989 |
| 2024-03-15 | Grant / award | 57,500 | $0.00 | 516,929 |
| 2024-01-02 | Tax withholding | 8,208 | $27.38 | 459,429 |
| 2024-01-02 | Grant / award | 90,000 | $0.00 | 467,637 |
| 2023-03-15 | Grant / award | 57,500 | $0.00 | 369,588 |
| 2023-03-15 | Tax withholding | 6,762 | $25.45 | 362,826 |
| 2023-03-15 | Grant / award | 19,350 | $0.00 | 376,975 |
| 2023-03-15 | Tax withholding | 5,201 | $25.45 | 357,625 |
| 2022-03-15 | Tax withholding | 4,368 | $48.65 | 293,066 |
| 2022-03-15 | Grant / award | 25,000 | $0.00 | 297,434 |
| 2022-03-15 | Tax withholding | 3,748 | $48.65 | 289,318 |
| 2022-03-15 | Grant / award | 3,750 | $0.00 | 293,068 |
| 2022-03-15 | Grant / award | 17,500 | $0.00 | 310,568 |
| 2021-03-18 | Gift | 1,000 | $0.00 | 272,759 |
| 2021-03-15 | Grant / award | 17,500 | $0.00 | 261,662 |
| 2021-03-15 | Tax withholding | 3,159 | $36.27 | 258,503 |
| 2021-03-15 | Tax withholding | 2,843 | $36.27 | 255,660 |
| 2021-03-15 | Grant / award | 1,687 | $0.00 | 257,347 |
| 2021-03-15 | Grant / award | 3,750 | $0.00 | 261,097 |
| 2021-02-25 | Grant / award | 12,000 | $0.00 | 273,097 |
| 2020-03-16 | Tax withholding | 2,223 | $7.36 | 228,984 |
| 2020-03-16 | Tax withholding | 3,629 | $7.36 | 225,355 |
| 2020-03-16 | Grant / award | 12,000 | $0.00 | 237,355 |
| 2020-03-16 | Grant / award | 1,687 | $0.00 | 239,042 |
| 2020-03-16 | Grant / award | 3,750 | $0.00 | 242,792 |
| 2019-09-18 | — | — | — | 230,487 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.