Form4insider filings, from the source

Company · CIK 0001280263 · SIC 3674 — Semiconductors & Related Devices · Nasdaq

AMBARELLA INC · AMBA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $48.4M · 136net −$48.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJan 2015Dec 2016Nov 2018Nov 2020Oct 2022Oct 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 16, 2015 MForm 4 →Jun 17, 6:17 pm EDTChenming HuDirector694——4,861— plan?
Jun 15, 2015 SForm 4 →Jun 17, 6:18 pm EDTChristopher B PaisleyDirector1,500$116.60$174,9004,167−26.5% plan?
Jun 15, 2015 MForm 4 →Jun 17, 6:18 pm EDTChristopher B PaisleyDirector2,194$6.00$9,0004,861— plan?
Jun 10, 2015 SForm 4 →Jun 10, 6:02 pm EDTChristopher DayVP of Marketing1,000$115.00$115,0009,124−9.88% plan?
Jun 10, 2015 MForm 4 →Jun 10, 6:02 pm EDTChristopher DayVP of Marketing1,000$9.99$9,99010,124— plan?
Jun 9, 2015 SForm 4 →Jun 10, 6:01 pm EDTChenming HuDirector15,000$110.44$1,656,6564,167−78.3% plan?
Jun 9, 2015 MForm 4 →Jun 10, 6:01 pm EDTChenming HuDirector15,000$9.99$149,85019,167— plan?
Jun 5, 2015 SForm 4 →Jun 9, 6:41 pm EDTChristopher DayVP of Marketing1,389$102.00$141,6789,124−13.2% plan?
Jun 5, 2015 MForm 4 →Jun 9, 6:41 pm EDTChristopher DayVP of Marketing1,389$8.82$12,25110,513— plan?
Mar 31, 2015 SForm 4 →Apr 2, 5:42 pm EDTLip Bu TanDirector1,000$75.77$75,7690−100% plan?
Mar 31, 2015 SForm 4 →Apr 1, 6:43 pm EDTChristopher DayVP of Marketing1,000$75.50$75,5009,124−9.88% plan?
Mar 31, 2015 MForm 4 →Apr 1, 6:43 pm EDTChristopher DayVP of Marketing1,000$9.99$9,99010,124— plan?
Mar 30, 2015 GForm 4 →Apr 2, 5:42 pm EDTLip Bu TanDirector3,500——1,000— plan? late
Mar 27, 2015 MForm 4 →Mar 30, 6:03 pm EDTChristopher DayVP of Marketing2,389$9.31$22,24110,124— plan?
Mar 26, 2015 SForm 4 →Mar 30, 6:03 pm EDTChristopher DayVP of Marketing5,021$70.52$354,0889,124−35.5% plan?
Mar 25, 2015 SForm 4 →Mar 27, 8:49 pm EDTLip Bu TanDirector15,277$69.45$1,060,9134,167−78.6% plan?
Mar 25, 2015 MForm 4 →Mar 27, 8:49 pm EDTLip Bu TanDirector15,277$15.52$237,15619,444— plan?
Mar 20, 2015 SForm 4 →Mar 23, 8:12 pm EDTLeslie KohnCTO, Director40,000$72.00$2,880,000821,224−4.64% plan?
Mar 20, 2015 MForm 4 →Mar 23, 8:12 pm EDTLeslie KohnCTO, Director27,552$2.93$80,727861,224— plan?
Mar 20, 2015 SForm 4 →Mar 23, 8:12 pm EDTChristopher DayVP of Marketing2,500$71.02$177,55011,756−17.5% plan?
Mar 17, 2015 SForm 4 →Mar 19, 6:44 pm EDTFeng-Ming WangCEO, Director7,172$68.22$489,274141,158−4.84% plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:44 pm EDTFeng-Ming WangCEO, Director16,041——148,330— plan?
Mar 17, 2015 SForm 4 →Mar 19, 6:43 pm EDTLeslie KohnCTO, Director3,863$68.22$263,534833,672−0.46% plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:43 pm EDTLeslie KohnCTO, Director10,239——837,535— plan?
Mar 17, 2015 SForm 4 →Mar 19, 6:42 pm EDTGeorge LaplanteChief Financial Officer3,176$68.22$216,66726,214−10.8% plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:42 pm EDTGeorge LaplanteChief Financial Officer8,414——29,390— plan?
Mar 17, 2015 SForm 4 →Mar 19, 6:41 pm EDTChristopher DayVP of Marketing2,150$68.42$147,10214,256−13.1% plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:41 pm EDTChristopher DayVP of Marketing3,550——16,406— plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:40 pm EDTYun-Lung ChenVP of Business Development4,083——5,577— plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:39 pm EDTDavid Jeffrey RichardsonDirector763——1,596— plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:38 pm EDTChristopher B PaisleyDirector695——4,167— plan?
Mar 17, 2015 MForm 4 →Mar 19, 6:37 pm EDTChenming HuDirector695——4,167— plan?
Mar 17, 2015 MForm 4 →Mar 19, 5:49 pm EDTLip Bu TanDirector695——4,167— plan?
Mar 17, 2015 MForm 4 →Mar 19, 5:49 pm EDTAndrew W VerhalenDirector695——43,994— plan?
Mar 16, 2015 SForm 4 →Mar 18, 7:32 pm EDTChristopher DayVP of Marketing961$69.35$66,64512,856−6.96% plan?
Mar 16, 2015 SForm 4 →Mar 18, 7:30 pm EDTLeslie KohnCTO, Director40,000$69.24$2,769,557827,296−4.61% plan?
Mar 16, 2015 MForm 4 →Mar 18, 7:30 pm EDTLeslie KohnCTO, Director40,000$3.15$125,923867,296— plan?
Mar 16, 2015 SForm 4 →Mar 18, 7:26 pm EDTChristopher B PaisleyDirector1,500$68.85$103,2753,472−30.2% plan?
Mar 16, 2015 MForm 4 →Mar 18, 7:26 pm EDTChristopher B PaisleyDirector1,500$6.00$9,0004,972— plan?
Mar 12, 2015 SForm 4 →Mar 13, 5:10 pm EDTDavid Jeffrey RichardsonDirector764$68.93$52,659833−47.8% plan?
Mar 11, 2015 SForm 4 →Mar 13, 5:08 pm EDTChristopher DayVP of Marketing2,000$67.95$135,90013,454−12.9% plan?
Mar 11, 2015 MForm 4 →Mar 13, 5:08 pm EDTChristopher DayVP of Marketing2,000$9.99$19,98015,454— plan?
Mar 6, 2015 MForm 4 →Mar 10, 5:56 pm EDTFeng-Ming WangCEO, Director6,667$2.93$19,534131,926— plan?
Mar 6, 2015 SForm 4 →Mar 10, 5:56 pm EDTFeng-Ming WangCEO, Director40,000$64.51$2,580,440125,259−24.2% plan?
Mar 6, 2015 SForm 4 →Mar 10, 5:54 pm EDTYun-Lung ChenVP of Business Development11,729$63.43$743,9461,131−91.2% plan?
Jan 7, 2015 SForm 4 →Jan 9, 6:07 pm ESTLeslie KohnCTO, Director38,000$58.00$2,204,000827,296−4.39% plan?
Jan 7, 2015 MForm 4 →Jan 9, 6:07 pm ESTLeslie KohnCTO, Director38,000$3.15$119,604865,296— plan?
Dec 17, 2014 GForm 5 →Mar 4, 2015, 6:48 pm ESTFeng-Ming WangCEO, Director12,000——165,259— plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2015 MForm 4 →Sep 9, 5:50 pm EDTChristopher B PaisleyDirector1,000——19,667—
Jun 16, 2015 MForm 4 →Jun 18, 6:53 pm EDTGeorge LaplanteChief Financial Officer8,413——36,969— amended
Jun 16, 2015 MForm 4 →Jun 18, 6:46 pm EDTChristopher DayVP of Marketing4,786——12,513—
Jun 16, 2015 MForm 4 →Jun 18, 6:40 pm EDTYun-Lung ChenVP of Business Development4,083——15,072—
Jun 16, 2015 MForm 4 →Jun 18, 6:33 pm EDTLeslie KohnCTO, Director10,239——38,675—
Jun 16, 2015 MForm 4 →Jun 18, 6:26 pm EDTFeng-Ming WangCEO, Director16,042——68,250—
Jun 16, 2015 MForm 4 →Jun 18, 4:06 pm EDTAndrew W VerhalenDirector694——695—
Jun 16, 2015 MForm 4 →Jun 18, 4:05 pm EDTLip Bu TanDirector694——695—
Jun 16, 2015 MForm 4 →Jun 17, 6:19 pm EDTDavid Jeffrey RichardsonDirector764——348—
Jun 16, 2015 MForm 4 →Jun 17, 6:17 pm EDTChenming HuDirector694——695—
Jun 15, 2015 MForm 4 →Jun 17, 6:18 pm EDTChristopher B PaisleyDirector2,194——695—
Jun 10, 2015 MForm 4 →Jun 10, 6:02 pm EDTChristopher DayVP of Marketing1,000——6,071—
Jun 9, 2015 MForm 4 →Jun 10, 6:01 pm EDTChenming HuDirector15,000——11,666—
Jun 5, 2015 MForm 4 →Jun 9, 6:41 pm EDTChristopher DayVP of Marketing1,389——926—
Mar 31, 2015 MForm 4 →Apr 1, 6:43 pm EDTChristopher DayVP of Marketing1,000——7,071—
Mar 27, 2015 MForm 4 →Mar 30, 6:03 pm EDTChristopher DayVP of Marketing2,389——8,071—
Mar 25, 2015 MForm 4 →Mar 27, 8:49 pm EDTLip Bu TanDirector15,277——2,778—
Mar 20, 2015 MForm 4 →Mar 23, 8:12 pm EDTLeslie KohnCTO, Director27,552——0—
Mar 17, 2015 MForm 4 →Mar 19, 6:44 pm EDTFeng-Ming WangCEO, Director16,041——73,500—
Mar 17, 2015 MForm 4 →Mar 19, 6:43 pm EDTLeslie KohnCTO, Director10,239——41,650—
Mar 17, 2015 MForm 4 →Mar 19, 6:42 pm EDTGeorge LaplanteChief Financial Officer8,414——39,813—
Mar 17, 2015 MForm 4 →Mar 19, 6:41 pm EDTChristopher DayVP of Marketing3,550——13,475—
Mar 17, 2015 MForm 4 →Mar 19, 6:40 pm EDTYun-Lung ChenVP of Business Development4,083——16,232—
Mar 17, 2015 MForm 4 →Mar 19, 6:39 pm EDTDavid Jeffrey RichardsonDirector763——695—
Mar 17, 2015 MForm 4 →Mar 19, 6:38 pm EDTChristopher B PaisleyDirector695——1,389—
Mar 17, 2015 MForm 4 →Mar 19, 6:37 pm EDTChenming HuDirector695——1,389—
Mar 17, 2015 MForm 4 →Mar 19, 5:49 pm EDTLip Bu TanDirector695——1,389—
Mar 17, 2015 MForm 4 →Mar 19, 5:49 pm EDTAndrew W VerhalenDirector695——1,389—
Mar 16, 2015 MForm 4 →Mar 18, 7:30 pm EDTLeslie KohnCTO, Director40,000——4,445—
Mar 16, 2015 MForm 4 →Mar 18, 7:26 pm EDTChristopher B PaisleyDirector1,500——22,167—
Mar 11, 2015 MForm 4 →Mar 13, 5:08 pm EDTChristopher DayVP of Marketing2,000——9,071—
Mar 6, 2015 MForm 4 →Mar 10, 5:56 pm EDTFeng-Ming WangCEO, Director6,667——104,444—
Jan 7, 2015 MForm 4 →Jan 9, 6:07 pm ESTLeslie KohnCTO, Director38,000——5,926—