Ambarella Inc (AMBA) Insider Ownership

Historic Insider Ownership Trends

Ambarella's top three insider shareholders as of March 23, 2026 are Leslie Kohn (Chief Technology Officer, 977.43K shares), Feng-Ming Wang (Ceo, 822.18K shares), Chi-Hong Ju (Senior Vp, Systems Gm, Asia, 159.19K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Leslie Kohn Chief Technology Officer 977,428 0 19 Sep, 2025
Feng-Ming Wang Ceo 838,561 0 19 Mar, 2026
Chi-Hong Ju Senior Vp, Systems Gm, Asia 167,941 0 19 Mar, 2026
Chan W Lee Chief Operations Officer 160,049 0 19 Mar, 2026
John Alexander Young Cfo 119,594 0 19 Mar, 2026
Andrew W Verhalen 83,734 0 01 Sep, 2023
Yun-Lung Chen Vp, Business Development And M 76,371 0 19 Mar, 2026
Brian C White Cfo 74,140 0 21 Dec, 2023
Kevin C Eichler Cfo 73,259 0 18 Mar, 2022
Christopher B Paisley 41,279 0 29 Dec, 2025
Hsiao-Wuen Hon 30,776 0 04 Sep, 2025
Chenming Hu 29,516 0 04 Sep, 2025
David Jeffrey Richardson 2,498 25,812 17 Dec, 2025
Christopher Day Vp, Marketing 15,099 0 20 Jun, 2025
Andrew W Verhalen 0 11,455 11 Mar, 2022
Greef-Safft Anne De 10,772 0 30 Aug, 2024
Chi-Hong Ju Sr. Vice President, Systems 0 8,000 06 Dec, 2024
Elizabeth M Schwarting 6,690 0 18 Dec, 2025
Teresa H Meng 6,606 0 18 Mar, 2022
Chantelle Yvette Breithaupt 4,940 0 04 Sep, 2025
Gregory M Bryant 2,457 0 04 Mar, 2026

* 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
17 Mar, 2026 Chi-Hong Ju Ordinary Shares A 9,553 - 168,895 D M
17 Mar, 2026 Feng-Ming Wang Ordinary Shares A 27,598 - 849,934 D M
17 Mar, 2026 Yun-Lung Chen Ordinary Shares A 4,651 - 73,522 D M
17 Mar, 2026 Chan W Lee Ordinary Shares A 13,678 - 163,099 D M
17 Mar, 2026 John Alexander Young Ordinary Shares A 3,556 - 121,649 D M
17 Mar, 2026 Feng-Ming Wang Ordinary Shares D 18,976 $52.77 830,958 D S
17 Mar, 2026 Chan W Lee Ordinary Shares D 6,729 $52.77 156,370 D S
17 Mar, 2026 Chi-Hong Ju Ordinary Shares D 4,729 $52.77 164,166 D S
17 Mar, 2026 John Alexander Young Ordinary Shares D 4,577 $52.77 117,072 D S
18 Mar, 2026 Yun-Lung Chen Ordinary Shares A 2,849 $0.00 76,371 D A
18 Mar, 2026 John Alexander Young Ordinary Shares A 5,560 $0.00 122,632 D A
17 Mar, 2026 Yun-Lung Chen Performance Stock Units D 4,651 $0.00 0 D M
18 Mar, 2026 Chi-Hong Ju Ordinary Shares A 5,930 $0.00 170,096 D A
18 Mar, 2026 Chan W Lee Ordinary Shares A 7,320 $0.00 163,690 D A
18 Mar, 2026 Feng-Ming Wang Ordinary Shares A 15,686 $0.00 846,644 D A
19 Mar, 2026 Chi-Hong Ju Ordinary Shares D 2,155 $54.14 167,941 D S
19 Mar, 2026 John Alexander Young Ordinary Shares D 3,038 $54.14 119,594 D S
19 Mar, 2026 Chan W Lee Ordinary Shares D 3,641 $54.14 160,049 D S
19 Mar, 2026 Feng-Ming Wang Ordinary Shares D 8,083 $54.14 838,561 D S
17 Mar, 2026 John Alexander Young Performance Stock Units D 3,556 $0.00 0 D M