Leslie Kohn
Leslie Kohn: Chief Technology Officer · Director at Ambarella. What Leslie Kohn 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)
Leslie Kohn holds 977,428 Ambarella shares (2.2% of the company), worth about $66.4M at the last price, according to the Form 4 of Sep 17, 2025.
- Shares held: 977,428 (2.2%), $66.4M — Held in their own name.
- Share units: 19,560 (0.04%), $1.3M — 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, 2025 (Chief Technology Officer): open-market sale of 2,249 at $79.43; 977,428 shares after 0001280263-25-000057
- Ambarella (AMBA) — Form 4 of Jun 17, 2025 (Chief Technology Officer): open-market sale of 1,715 at $52.26; 979,677 shares after 0001280263-25-000027
- Ambarella (AMBA) — Form 4 of Mar 18, 2025 (Chief Technology Officer): open-market sale of 1,584 at $55.02; 981,392 shares after 0001280263-25-000020
- Ambarella (AMBA) — Form 4 of Mar 6, 2025 (Chief Technology Officer): grant or award of 19,560; grant or award of 6,056; 982,976 shares after 0001280263-25-000012
- Ambarella (AMBA) — Form 4 of Dec 16, 2024 (Chief Technology Officer): open-market sale of 1,757 at $75.41; 959,676 shares after 0001280263-24-000061
- Ambarella (AMBA) — Form 4 of Sep 17, 2024 (Chief Technology Officer): open-market sale of 1,608 at $53.54; 961,433 shares after 0001280263-24-000047
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.