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AmbarellaAMBA

Semiconductors & chip supply chain

Insider transactions

Directors, officers and 10% owners, as reported on Forms 3, 4 and 5. Grants, option exercises and shares withheld for tax are shown but not counted as buying or selling.

Open-market buys
0
Open-market sales
47
Shares bought
0
Shares sold
261,085

Past 12 months · $0.00 bought, $18.3M sold

Insider filings, most recent first
FiledInsiderTransactionSharesPriceValueHeld after
traded Sep 25, 2026Christopher B. PaisleyDirectorOpen-market saleForm 4250$70.76$17,69043,930
traded Sep 18, 2026John Alexander YoungCFOOpen-market saleForm 41,896$67.28$127,563107,806
Chihong JuVP · GMHoldingForm 4 · indirect0——8,000
traded Sep 17, 2026Chan W. LeeCOOOpen-market saleForm 42,893$64.83$187,553154,443
traded Sep 17, 2026Chihong JuVP · GMOpen-market saleForm 42,009$64.83$130,243154,153
traded Sep 17, 2026Fengming WangCEO · DirectorOpen-market saleForm 46,086$64.83$394,555767,759
traded Sep 17, 2026John Alexander YoungCFOOpen-market saleForm 43,126$64.83$202,659109,702
David Jeffrey RichardsonDirectorHoldingForm 4 · indirect0——25,812
traded Sep 8, 2026Hsiaowuen HonDirectorGrant or awardForm 43,151$0.00$0.0033,927
traded Sep 8, 2026Gregory M. BryantDirectorGrant or awardForm 43,151$0.00$0.005,608
traded Sep 8, 2026Chantelle Yvette BreithauptDirectorGrant or awardForm 43,151$0.00$0.008,091
traded Sep 8, 2026David Jeffrey RichardsonDirectorGrant or awardForm 43,151$0.00$0.005,649
traded Sep 8, 2026Chenming HuDirectorGrant or awardForm 43,151$0.00$0.0032,667
traded Sep 8, 2026Elizabeth M. SchwartingDirectorGrant or awardForm 43,151$0.00$0.009,841
traded Sep 8, 2026Christopher B. PaisleyDirectorGrant or awardForm 43,151$0.00$0.0044,180
traded Jul 9, 2026Yunlung ChenVPOpen-market saleForm 45,958$78.66$468,65660,557
Chihong JuVP · GMHoldingForm 4 · indirect0——8,000
traded Jul 1, 2026Chihong JuVP · GMOpen-market saleForm 410,000$88.84$888,400155,924
traded Jul 1, 2026Fengming WangCEO · DirectorOpen-market saleForm 416,250$90.08$1.5M773,607
traded Jun 26, 2026Christopher B. PaisleyDirectorOpen-market saleForm 4250$62.01$15,50241,029
Chihong JuVP · GMHoldingForm 4 · indirect0——8,000
traded Jun 17, 2026Fengming WangCEO · DirectorOpen-market saleForm 46,204$67.87$421,065799,857
traded Jun 17, 2026Chan W. LeeCOOOpen-market saleForm 42,951$67.87$200,284157,098
traded Jun 17, 2026John Alexander YoungCFOOpen-market saleForm 41,847$66.98$123,712112,590
traded Jun 17, 2026Fengming WangCEO · DirectorGiftForm 410,000$0.00$0.00789,857
traded Jun 17, 2026Chihong JuVP · GMOpen-market saleForm 42,017$67.87$136,894165,924
traded Jun 17, 2026John Alexander YoungCFOOpen-market saleForm 43,186$67.87$216,234114,437
traded Jun 12, 2026Yunlung ChenVPOpen-market saleForm 49,856$67.06$660,94366,515
traded May 26, 2026John Alexander YoungCFOOpen-market saleForm 4400$96.00$38,400117,623
traded May 26, 2026Fengming WangCEO · DirectorOpen-market saleForm 49,150$92.05$842,248806,061
traded May 26, 2026Fengming WangCEO · DirectorOpen-market saleForm 417,285$90.38$1.6M821,276
traded May 26, 2026Fengming WangCEO · DirectorOpen-market saleForm 46,065$91.23$553,304815,211
traded May 26, 2026John Alexander YoungCFOOption exerciseForm 4400$55.80$22,320118,023
traded May 26, 2026John Alexander YoungCFOOption exerciseForm 4400$55.80$22,32024,600
traded Apr 21, 2026John Alexander YoungCFOOpen-market saleForm 41,971$60.00$118,260117,623
Chihong JuVP · GMOpen-market saleForm 42,155$54.14$116,672167,941
Chihong JuVP · GMHoldingForm 4 · indirect0——8,000
Chan W. LeeCOOOpen-market saleForm 43,641$54.14$197,124160,049
John Alexander YoungCFOOpen-market saleForm 43,038$54.14$164,477119,594
Fengming WangCEO · DirectorOpen-market saleForm 48,083$54.14$437,614838,561

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