SEC Form 4 · Updated Daily
AMBA
— AMBARELLA, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BALKANSKI ALEXANDRE | 10%+ Owner | 3,706,494 | 2012-10-15 | C |
| PACVEN WALDEN VENTURES V QP ASSOCIATES FUND LP | Reporting Owner | 2,115,031 | 2013-06-24 | J |
| PACVEN WALDEN VENTURES V LP | Reporting Owner | 2,115,031 | 2013-06-24 | J |
| PACVEN WALDEN VENTURES V ASSOCIATES FUND LP | Reporting Owner | 2,115,031 | 2013-06-24 | J |
| Pacven Walden Management V Co. Ltd. | Reporting Owner | 2,115,031 | 2013-06-24 | J |
| Pacven Walden Ventures Parallel V-A C.V. | Reporting Owner | 2,115,031 | 2013-06-24 | J |
| Pacven Walden Ventures Parallel V-B C.V. | Reporting Owner | 2,115,031 | 2013-06-24 | J |
| GURLEY J WILLIAM | Director | 2,110,848 | 2013-04-09 | J |
| HARVEY KEVIN | Director | 2,110,848 | 2013-04-09 | J |
| DUNLEVIE BRUCE | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| KAGLE ROBERT | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| SPURLOCK STEVEN M | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| BENCHMARK CAPITAL MANAGEMENT CO IV LLC | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| BENCHMARK FOUNDERS FUND IV LP | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| BENCHMARK CAPITAL PARTNERS IV LP | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| BENCHMARK FOUNDERS FUND IV A LP | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| BENCHMARK FOUNDERS FUND IV-B LP | 10%+ Owner | 2,110,848 | 2013-04-09 | J |
| MATRIX PARTNERS VII LP ET AL | Reporting Owner | 1,938,363 | 2013-05-07 | J |
| Kohn Leslie | Director · Officer | 977,428 | 2025-09-17 | S |
| Wang Feng-Ming | Director · Officer | 767,759 | 2026-09-17 | S |
| Lee Chan W | Officer | 154,443 | 2026-09-17 | S |
| Ju Chi-Hong | Officer | 154,153 | 2026-09-17 | S |
| Young John Alexander | Officer | 107,806 | 2026-09-18 | S |
| Laplante George | Officer | 100,002 | 2018-09-18 | M |
| EICHLER KEVIN C | Officer | 90,700 | 2022-03-16 | M |
| VERHALEN ANDREW W | Director | 83,734 | 2023-08-31 | A |
| LeGall Didier | Officer | 81,157 | 2014-12-10 | M |
| WHITE BRIAN C | Director | 74,140 | 2023-12-19 | S |
| Chen Yun-Lung | Officer | 60,557 | 2026-07-09 | S |
| PAISLEY CHRISTOPHER B | Director | 43,930 | 2026-09-25 | S |
| GOLDMAN SACHS & CO | 10%+ Owner | 43,899 | 2020-03-25 | S |
| GOLDMAN SACHS GROUP INC/ | 10%+ Owner | 43,899 | 2020-03-25 | S |
| Hon Hsiao-Wuen | Director | 33,927 | 2026-09-08 | A |
| Hu Chenming | Director | 32,667 | 2026-09-08 | A |
| Day Christopher | Officer | 15,099 | 2025-06-17 | S |
| De Greef-Safft Anne | Director | 10,772 | 2024-08-29 | A |
| Schwarting Elizabeth M | Director | 9,841 | 2026-09-08 | A |
| TAN LIP BU | Director · Officer | 8,147 | 2017-03-16 | M |
| Breithaupt Chantelle Yvette | Officer | 8,091 | 2026-09-08 | A |
| Meng Teresa H | Director | 6,606 | 2022-03-16 | M |
| RICHARDSON DAVID JEFFREY | Director | 5,649 | 2026-09-08 | A |
| Bryant Gregory M | Director | 5,608 | 2026-09-08 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-25 | PAISLEY CHRISTOPHER B | Open-market sale | 250 | $70.76 | 43,930 |
| 2026-09-18 | Young John Alexander | Open-market sale | 1,896 | $67.28 | 107,806 |
| 2026-09-17 | Young John Alexander | Open-market sale | 3,126 | $64.83 | 109,702 |
| 2026-09-17 | Lee Chan W | Open-market sale | 2,893 | $64.83 | 154,443 |
| 2026-09-17 | Ju Chi-Hong | Open-market sale | 2,009 | $64.83 | 154,153 |
| 2026-09-17 | Wang Feng-Ming | Open-market sale | 6,086 | $64.83 | 767,759 |
| 2026-09-08 | PAISLEY CHRISTOPHER B | Grant / award | 3,151 | $0.00 | 44,180 |
| 2026-09-08 | RICHARDSON DAVID JEFFREY | Grant / award | 3,151 | $0.00 | 5,649 |
| 2026-09-08 | Hon Hsiao-Wuen | Grant / award | 3,151 | $0.00 | 33,927 |
| 2026-09-08 | Schwarting Elizabeth M | Grant / award | 3,151 | $0.00 | 9,841 |
| 2026-09-08 | Breithaupt Chantelle Yvette | Grant / award | 3,151 | $0.00 | 8,091 |
| 2026-09-08 | Bryant Gregory M | Grant / award | 3,151 | $0.00 | 5,608 |
| 2026-09-08 | Hu Chenming | Grant / award | 3,151 | $0.00 | 32,667 |
| 2026-07-09 | Chen Yun-Lung | Open-market sale | 5,958 | $78.66 | 60,557 |
| 2026-07-01 | Wang Feng-Ming | Open-market sale | 16,250 | $90.08 | 773,607 |
| 2026-07-01 | Ju Chi-Hong | Open-market sale | 10,000 | $88.84 | 155,924 |
| 2026-06-26 | PAISLEY CHRISTOPHER B | Open-market sale | 250 | $62.01 | 41,029 |
| 2026-06-17 | Wang Feng-Ming | Gift | 10,000 | $0.00 | 789,857 |
| 2026-06-17 | Wang Feng-Ming | Open-market sale | 6,204 | $67.87 | 799,857 |
| 2026-06-17 | Ju Chi-Hong | Open-market sale | 2,017 | $67.87 | 165,924 |
| 2026-06-17 | Lee Chan W | Open-market sale | 2,951 | $67.87 | 157,098 |
| 2026-06-17 | Young John Alexander | Open-market sale | 1,847 | $66.98 | 112,590 |
| 2026-06-17 | Young John Alexander | Open-market sale | 3,186 | $67.87 | 114,437 |
| 2026-06-12 | Chen Yun-Lung | Open-market sale | 9,856 | $67.06 | 66,515 |
| 2026-05-26 | Wang Feng-Ming | Open-market sale | 9,150 | $92.05 | 806,061 |
| 2026-05-26 | Wang Feng-Ming | Open-market sale | 6,065 | $91.23 | 815,211 |
| 2026-05-26 | Wang Feng-Ming | Open-market sale | 17,285 | $90.38 | 821,276 |
| 2026-05-26 | Young John Alexander | Option exercise (derivative) | 400 | $0.00 | 24,600 |
| 2026-05-26 | Young John Alexander | Open-market sale | 400 | $96.00 | 117,623 |
| 2026-05-26 | Young John Alexander | Option exercise | 400 | $55.80 | 118,023 |
| 2026-04-21 | Young John Alexander | Open-market sale | 1,971 | $60.00 | 117,623 |
| 2026-03-19 | Wang Feng-Ming | Open-market sale | 8,083 | $54.14 | 838,561 |
| 2026-03-19 | Ju Chi-Hong | Open-market sale | 2,155 | $54.14 | 167,941 |
| 2026-03-19 | Lee Chan W | Open-market sale | 3,641 | $54.14 | 160,049 |
| 2026-03-19 | Young John Alexander | Open-market sale | 3,038 | $54.14 | 119,594 |
| 2026-03-18 | Wang Feng-Ming | Grant / award | 15,686 | $0.00 | 846,644 |
| 2026-03-18 | Ju Chi-Hong | Grant / award | 5,930 | $0.00 | 170,096 |
| 2026-03-18 | Lee Chan W | Grant / award | 7,320 | $0.00 | 163,690 |
| 2026-03-18 | Chen Yun-Lung | Grant / award | 2,849 | $0.00 | 76,371 |
| 2026-03-18 | Young John Alexander | Grant / award | 5,560 | $0.00 | 122,632 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.