Chi-Hong Ju
Chi-Hong Ju: Senior VP, Systems & GM at Ambarella. What Chi-Hong Ju holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Ambarella (AMBA)
Chi-Hong Ju holds 162,153 Ambarella shares (0.37% of the company), worth about $10.5M at the last price, according to the Form 4 of Sep 17, 2026.
- Shares held: 154,153 (0.35%), $9.9M — Held in their own name.
- Shares held: 8,000 (0.02%), $516,200.00 — Held by a foundation (by Foundation).
- Share units: 17,329 (0.04%), $1.1M — Ambarella promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
- Share units: 12,388 (0.03%), $799,335.70 — Ambarella promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Ambarella (AMBA) — Form 4 of Sep 17, 2026 (Senior VP, Systems & GM): open-market sale of 2,009 at $64.83; 162,153 shares after 0001280263-26-000072
- Ambarella (AMBA) — Form 4 of Jul 1, 2026 (Senior VP, Systems & GM): open-market sale of 10,000 at $88.84; 163,924 shares after 0001280263-26-000053
- Ambarella (AMBA) — Form 4 of Jun 17, 2026 (Senior VP, Systems & GM): open-market sale of 2,017 at $67.87; 173,924 shares after 0001280263-26-000045
- Ambarella (AMBA) — Form 4 of Mar 19, 2026 (Senior VP, Systems & GM, Asia): option exercise or conversion of 9,553; open-market sale of 4,729 at $52.77; 175,941 shares after 0001280263-26-000028
- Ambarella (AMBA) — Form 4 of Mar 2, 2026 (Senior VP, Systems & GM, Asia): grant or award of 17,329; 167,188 shares after 0001280263-26-000023
- Ambarella (AMBA) — Form 4 of Jan 5, 2026 (Senior VP, Systems & GM, Asia): open-market sale of 7,728 at $75.58; 154,039 shares after 0001280263-26-000002
- Ambarella (AMBA) — Form 4/A of Dec 30, 2025 (Senior VP, Systems & GM, Asia): open-market sale of 7,945 at $70.25; 149,587 shares after 0001280263-26-000004
- Ambarella (AMBA) — Form 4 of Dec 30, 2025 (Senior VP, Systems & GM, Asia): open-market sale of 3,765 at $70.32; 161,767 shares after 0001280263-25-000074
- Ambarella (AMBA) — Form 4 of Dec 17, 2025 (Senior VP, Systems & GM, Asia): open-market sale of 1,342 at $71.82; 165,532 shares after 0001280263-25-000068
- Ambarella (AMBA) — Form 4 of Oct 14, 2025 (Senior VP, Systems & GM, Asia): open-market sale of 5,057 at $81.29; open-market sale of 6,156 at $80.96; 166,874 shares after 0001280263-25-000062
- Ambarella (AMBA) — Form 4 of Sep 17, 2025 (Sr. Vice President, Systems): open-market sale of 1,168 at $79.43; 178,087 shares after 0001280263-25-000056
- Ambarella (AMBA) — Form 4 of Jun 17, 2025 (Sr. Vice President, Systems): open-market sale of 1,108 at $52.26; 179,032 shares after 0001280263-25-000026
- Ambarella (AMBA) — Form 4 of Mar 18, 2025 (Sr. Vice President, Systems): open-market sale of 1,034 at $55.02; 180,140 shares after 0001280263-25-000019
- Ambarella (AMBA) — Form 4 of Mar 6, 2025 (Sr. Vice President, Systems): grant or award of 12,388; grant or award of 4,773; 180,940 shares after 0001280263-25-000011
- Ambarella (AMBA) — Form 4 of Dec 16, 2024 (Sr. Vice President, Systems): open-market sale of 1,048 at $75.41; 165,638 shares after 0001280263-24-000060
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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