InsiderTrades

Hu Chenming

SEC CIK 1316320 · EDGAR

Buying vs selling by month open-market trades, last 60 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AMBAAMBARELLA INCDir 32.7K — $1.63M 162021-09-012026-09-08
ACMRACM Research, Inc.Dir 100.0K — $4.90M 12025-03-172025-03-17

Most active insiders at AMBA, 12 months

#InsiderTitleBoughtSold
1 Wang Feng-MingCEO, Dir —$10.07M
2 Ju Chi-HongSenior VP, Systems, GM, Asia —$3.93M
3 Young John AlexanderCFO —$1.69M
4 Chen Yun-LungVP, Business Development, M —$1.13M
5 Lee Chan WChief Ops Off —$1.11M
6 Schwarting Elizabeth MDir —$272.6K
7 PAISLEY CHRISTOPHER BDir —$51.6K
8 Breithaupt Chantelle YvetteDir ——
9 Bryant Gregory MDir ——
10 Hon Hsiao-WuenDir ——
12 Hu ChenmingDir ——

Transactions 17

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-10 17:36 2026-09-08 AMBA AMBARELLA INC Hu Chenming Dir A - Grant $0.00 +3,151 32.7K +11% $0
2025-09-04 2025-09-02 AMBA AMBARELLA INC Hu Chenming Dir A - Grant $0.00 +2,498 29.5K +9% $0
T 2025-03-19 2025-03-17 ACMR ACM Research, Inc. Hu Chenming Dir S - Sale $30.00 -163.3K 100.0K -62% -$4.90M
2024-08-30 2024-08-29 AMBA AMBARELLA INC Hu Chenming Dir A - Grant $0.00 +3,374 27.0K +14% $0
2023-09-01 2023-08-31 AMBA AMBARELLA INC Hu Chenming Dir A - Grant $0.00 +3,218 23.6K +16% $0
2023-06-20 2023-06-15 AMBA AMBARELLA INC Hu Chenming Dir A - Grant $0.00 +1,559 20.4K +8% $0
D 2023-03-17 2023-03-15 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +779 18.9K +4% —
D 2022-12-20 2022-12-16 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +779 18.1K +5% —
D 2022-09-20 2022-09-16 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +377 17.3K +2% —
D 2022-06-17 2022-06-16 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +377 16.9K +2% —
D 2022-03-18 2022-03-16 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +377 16.6K +2% —
D 2022-03-01 2022-02-25 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx $38.92 +5,555 16.2K +52% +$216.2K
D 2021-12-17 2021-12-16 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +377 10.6K +4% —
2021-09-24 2021-09-22 AMBA AMBARELLA INC Hu Chenming Dir S - Sale $160.00 -3,666 10.2K -26% -$586.6K
D 2021-09-17 2021-09-16 AMBA AMBARELLA INC Hu Chenming Dir M - OptEx — +959 13.9K +7% —
2021-09-10 2021-09-09 AMBA AMBARELLA INC Hu Chenming Dir S - Sale $140.00 -4,000 13.0K -24% -$560.0K
2021-09-02 2021-09-01 AMBA AMBARELLA INC Hu Chenming Dir S - Sale $120.00 -4,000 17.0K -19% -$480.0K

Purchase Sale Sale after option exercise All abbreviations