Ambarella Inc (AMBA) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending January 16, 2026, Ambarella's three dominant insider ownership positions are held by Chief Technology Officer Leslie Kohn (977.43K shares), Ceo Feng-Ming Wang (768.98K shares), Senior Vp And Systems & Gm And Asia Chi-Hong Ju (154.04K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Leslie Kohn Chief Technology Officer 977,428 19 Sep, 2025
Feng-Ming Wang Ceo 768,979 19 Dec, 2025
Chi-Hong Ju Senior Vp And Systems & Gm And Asia 154,039 07 Jan, 2026
Chan W Lee Chief Operations Officer 124,566 19 Dec, 2025
John Alexander Young Cfo 102,738 19 Dec, 2025
Andrew W Verhalen 95,189 01 Sep, 2023
Brian C White Cfo 74,140 21 Dec, 2023
Kevin C Eichler Cfo 73,259 18 Mar, 2022
Yun-Lung Chen Vp And Business Development 61,651 11 Sep, 2025
Christopher B Paisley 41,279 29 Dec, 2025
Hsiao-Wuen Hon 30,776 04 Sep, 2025
Chenming Hu 29,516 04 Sep, 2025
David Jeffrey Richardson 28,310 17 Dec, 2025
Christopher Day Vp And Marketing 15,099 20 Jun, 2025
Greef-Safft Anne De 10,772 30 Aug, 2024
Elizabeth M Schwarting 6,690 18 Dec, 2025
Teresa H Meng 6,606 18 Mar, 2022
Chantelle Yvette Breithaupt 4,940 04 Sep, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Jan, 2026 Chi-Hong Ju Ordinary Shares D 7,728 $75.58 146,039 D S
30 Dec, 2025 Chi-Hong Ju Ordinary Shares D 3,765 $70.32 153,767 D S
26 Dec, 2025 Christopher B Paisley Ordinary Shares D 500 $72.18 41,279 D S
26 Dec, 2025 Christopher B Paisley - - 41,279 D
19 Dec, 2025 Feng-Ming Wang Ordinary Shares D 15,000 $0.00 768,979 D G
19 Dec, 2025 Feng-Ming Wang - - 768,979 D
18 Dec, 2025 John Alexander Young - - 102,738 D
18 Dec, 2025 John Alexander Young Ordinary Shares D 3,791 $72.96 102,738 D S
17 Dec, 2025 Feng-Ming Wang Ordinary Shares D 4,950 $71.82 783,979 D S
17 Dec, 2025 Chan W Lee Ordinary Shares D 2,406 $71.82 124,566 D S
17 Dec, 2025 Chi-Hong Ju Ordinary Shares D 1,342 $71.82 157,532 D S
17 Dec, 2025 John Alexander Young - - 106,529 D
17 Dec, 2025 John Alexander Young Ordinary Shares D 2,579 $71.82 106,529 D S
16 Dec, 2025 Elizabeth M Schwarting Ordinary Shares D 624 $72.38 6,690 D S
15 Dec, 2025 David Jeffrey Richardson - - 25,812 I
15 Dec, 2025 David Jeffrey Richardson Ordinary Shares D 2,531 $0.00 2,498 D G
15 Dec, 2025 David Jeffrey Richardson - - 2,498 D
15 Dec, 2025 David Jeffrey Richardson Ordinary Shares A 2,531 $0.00 25,812 I G
14 Oct, 2025 Chi-Hong Ju Ordinary Shares D 6,156 $80.96 158,874 D S
13 Oct, 2025 Chi-Hong Ju Ordinary Shares D 5,057 $81.29 165,030 D S