SEC CIK 1882831
Ju Chi-Hong
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| AMBAview stock → | 154,153 | 2026-09-17 |
Position History — AMBA
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — AMBA
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-09-17 | Open-market sale | 2,009 | $64.83 | 154,153 |
| 2026-07-01 | Open-market sale | 10,000 | $88.84 | 155,924 |
| 2026-06-17 | Open-market sale | 2,017 | $67.87 | 165,924 |
| 2026-03-19 | Open-market sale | 2,155 | $54.14 | 167,941 |
| 2026-03-18 | Grant / award | 5,930 | $0.00 | 170,096 |
| 2026-03-17 | Option exercise (derivative) | 9,553 | $0.00 | 0 |
| 2026-03-17 | Open-market sale | 4,729 | $52.77 | 164,166 |
| 2026-03-17 | Option exercise | 9,553 | — | 168,895 |
| 2026-03-02 | Grant / award (derivative) | 17,329 | $0.00 | 17,329 |
| 2026-03-02 | Grant / award | 17,329 | $0.00 | 159,188 |
| 2026-01-05 | Open-market sale | 7,728 | $75.58 | 146,039 |
| 2025-12-30 | Open-market sale | 3,765 | $70.32 | 153,767 |
| 2025-12-30 | Open-market sale | 7,945 | $70.25 | 149,587 |
| 2025-12-17 | Open-market sale | 1,342 | $71.82 | 157,532 |
| 2025-10-14 | Open-market sale | 6,156 | $80.96 | 158,874 |
| 2025-10-13 | Open-market sale | 5,057 | $81.29 | 165,030 |
| 2025-09-17 | Open-market sale | 1,168 | $79.43 | 170,087 |
| 2025-06-17 | Open-market sale | 1,108 | $52.26 | 171,032 |
| 2025-03-18 | Open-market sale | 1,034 | $55.02 | 172,140 |
| 2025-03-06 | Open-market sale | 1,859 | $55.11 | 172,940 |
| 2025-03-05 | Grant / award | 4,773 | $0.00 | 174,799 |
| 2025-02-28 | Grant / award (derivative) | 12,388 | $0.00 | 12,388 |
| 2025-02-28 | Grant / award | 12,388 | $0.00 | 170,026 |
| 2024-12-16 | Open-market sale | 1,048 | $75.41 | 157,638 |
| 2024-12-09 | Open-market sale | 2,118 | $75.69 | 161,686 |
| 2024-12-09 | Gift | 593 | $0.00 | 163,804 |
| 2024-12-09 | Open-market sale | 3,000 | $75.72 | 158,686 |
| 2024-12-04 | Gift | 5,000 | $0.00 | 8,000 |
| 2024-12-04 | Gift | 5,000 | $0.00 | 164,397 |
| 2024-09-17 | Open-market sale | 1,050 | $53.54 | 172,397 |
| 2024-06-26 | Open-market sale | 6,000 | $52.90 | 173,193 |
| 2024-06-21 | Option exercise (derivative) | 8,900 | $0.00 | 0 |
| 2024-06-21 | Option exercise | 8,900 | $38.92 | 188,093 |
| 2024-06-21 | Open-market sale | 8,900 | $55.53 | 179,193 |
| 2024-06-18 | Open-market sale | 1,059 | $55.48 | 179,193 |
| 2024-06-10 | Open-market sale | 1,895 | $57.50 | 180,252 |
| 2024-06-07 | Open-market sale | 2,296 | $56.79 | 182,147 |
| 2024-03-18 | Open-market sale | 778 | $49.27 | 184,443 |
| 2024-03-08 | Open-market sale | 509 | $57.16 | 185,003 |
| 2024-03-07 | Grant / award | 1,224 | $0.00 | 185,512 |
| 2024-02-29 | Grant / award (derivative) | 15,898 | $0.00 | 15,898 |
| 2024-02-29 | Grant / award | 15,898 | $0.00 | 184,288 |
| 2023-12-19 | Open-market sale | 1,074 | $63.04 | 168,390 |
| 2023-09-18 | Open-market sale | 1,048 | $57.30 | 169,464 |
| 2023-07-07 | Open-market sale | 4,251 | $81.81 | 170,349 |
| 2023-06-20 | Open-market sale | 1,015 | $84.80 | 174,600 |
| 2023-06-15 | Grant / award | 17,814 | $0.00 | 175,615 |
| 2023-06-08 | Open-market sale | 4,165 | $82.62 | 157,801 |
| 2023-04-03 | Grant / award (derivative) | 9,553 | $0.00 | 9,553 |
| 2023-03-17 | Open-market sale | 4,402 | $76.85 | 161,966 |
| 2023-03-15 | Option exercise (derivative) | 1,195 | $0.00 | 0 |
| 2023-03-15 | Option exercise (derivative) | 14,338 | $0.00 | 0 |
| 2023-03-15 | Option exercise (derivative) | 513 | $0.00 | 2,055 |
| 2023-03-15 | Option exercise (derivative) | 775 | $0.00 | 6,206 |
| 2023-03-15 | Option exercise | 12,488 | — | 166,368 |
| 2023-03-02 | Grant / award (derivative) | 9,553 | $0.00 | 9,553 |
| 2022-12-22 | Open-market sale | 2,000 | $81.16 | 153,689 |
| 2022-12-19 | Open-market sale | 764 | $80.46 | 155,689 |
| 2022-12-16 | Option exercise (derivative) | 776 | $0.00 | 6,981 |
| 2022-12-16 | Option exercise (derivative) | 514 | $0.00 | 2,568 |
| 2022-12-16 | Option exercise (derivative) | 1,195 | $0.00 | 1,195 |
| 2022-12-16 | Open-market sale | 1,262 | $83.77 | 156,453 |
| 2022-12-16 | Option exercise | 2,485 | — | 157,715 |
| 2022-09-16 | Option exercise (derivative) | 1,195 | $0.00 | 2,390 |
| 2022-09-16 | Option exercise (derivative) | 514 | $0.00 | 3,082 |
| 2022-09-16 | Option exercise (derivative) | 776 | $0.00 | 7,757 |
| 2022-09-16 | Option exercise | 2,485 | — | 156,502 |
| 2022-09-16 | Open-market sale | 1,272 | $63.25 | 155,230 |
| 2022-06-16 | Option exercise (derivative) | 775 | $0.00 | 8,533 |
| 2022-06-16 | Option exercise (derivative) | 513 | $0.00 | 3,596 |
| 2022-06-16 | Option exercise (derivative) | 1,195 | $0.00 | 3,585 |
| 2022-06-16 | Open-market sale | 1,340 | $66.26 | 153,875 |
| 2022-06-16 | Option exercise | 2,483 | — | 155,215 |
| 2022-04-11 | Grant / award (derivative) | 9,308 | $0.00 | 9,308 |
| 2022-04-11 | Grant / award (derivative) | 9,308 | $0.00 | 9,308 |
| 2022-03-16 | Option exercise (derivative) | 514 | $0.00 | 4,109 |
| 2022-03-16 | Option exercise (derivative) | 14,259 | $0.00 | 0 |
| 2022-03-16 | Option exercise (derivative) | 1,189 | $0.00 | 0 |
| 2022-03-16 | Option exercise (derivative) | 1,195 | $0.00 | 4,780 |
| 2022-03-16 | Open-market sale | 14,598 | $91.20 | 152,732 |
| 2022-03-16 | Option exercise | 31,416 | — | 167,330 |
| 2022-03-14 | Open-market sale | 1,315 | $84.42 | 135,833 |
| 2022-03-08 | Grant / award | 3,611 | $0.00 | 137,148 |
| 2021-12-30 | Open-market sale | 536 | $206.11 | 134,537 |
| 2021-12-27 | Open-market sale | 402 | $209.98 | 135,073 |
| 2021-12-16 | Option exercise (derivative) | 513 | $0.00 | 4,623 |
| 2021-12-16 | Option exercise (derivative) | 1,188 | $0.00 | 1,189 |
| 2021-12-16 | Option exercise (derivative) | 1,194 | $0.00 | 5,975 |
| 2021-12-16 | Option exercise | 2,895 | — | 137,070 |
| 2021-12-16 | Open-market sale | 1,595 | $188.90 | 135,475 |
| 2021-12-07 | Open-market sale | 500 | $223.00 | 133,175 |
| 2021-12-07 | Open-market sale | 500 | $220.81 | 133,675 |
| 2021-12-03 | Option exercise | 2,897 | — | 135,670 |
| 2021-12-03 | Open-market sale | 1,495 | $192.69 | 134,175 |
| 2021-09-16 | Option exercise (derivative) | 514 | $0.00 | 5,136 |
| 2021-09-16 | Option exercise (derivative) | 1,188 | $0.00 | 2,377 |
| 2021-09-16 | Option exercise (derivative) | 1,195 | $0.00 | 7,169 |
| 2021-09-01 | — | — | — | 132,665 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.