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Ambarella Inc

AMBA
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001280263

In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 9 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Ambarella Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
9 filings
6 insiders, $3.88M in total
Insiders trading
6
Net value
−$3.88M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Ambarella Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Ambarella Inc
NameTitleLast reported holdingLast filingFilings, past year
Young John AlexanderCFO107,806Sep 21, 20268
Wang Feng-MingCEO767,759Sep 18, 20267
Ju Chi-HongSenior VP, Systems & GM154,153Sep 18, 20269
Lee Chan WChief Operations Officer154,443Sep 18, 20265
Hu ChenmingDirector32,667Sep 10, 20261
Bryant Gregory MDirector5,608Sep 10, 20262
Breithaupt Chantelle YvetteDirector8,091Sep 10, 20261
Schwarting Elizabeth MDirector9,841Sep 10, 20263
Hon Hsiao-WuenDirector33,927Sep 10, 20261
Richardson David JeffreyDirector5,649Sep 10, 20262
Paisley Christopher BDirector44,180Sep 10, 20263
Chen Yun-LungVP, Business Dev. & Marketing60,557Jul 10, 20264
Kohn LeslieChief Technology Officer977,428Sep 19, 20250
Day ChristopherVP, Marketing15,099Jun 20, 20250
De Greef-Safft AnneDirector10,772Aug 30, 20240
White Brian CCFO74,140Dec 21, 20230
Verhalen Andrew WDirector83,734Sep 1, 20230
Eichler Kevin CCFO73,259Mar 18, 20220
Meng Teresa HDirector6,606Mar 18, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 2, 2021 (view filing)Sep 11 dayHu ChenmingDirectorSSale−4.00K$120.00−$480.0K−19.1%17.0K after
Sep 7, 2021 (view filing)Sep 34 daysPaisley Christopher BDirectorSSale−736$132.44−$97.5K−2.4%29.6K after
Sep 8, 2021 (view filing)Sep 35 daysEichler Kevin CCFOSSale−10.0K$133.30−$1.33M−18.7%43.4K after5 lots
Sep 10, 2021 (view filing)Sep 91 dayHu ChenmingDirectorSSale−4.00K$140.00−$560.0K−23.6%13.0K after
Sep 24, 2021 (view filing)Sep 222 daysHu ChenmingDirectorSSale−3.67K$160.00−$586.6K−26.4%10.2K after
Dec 7, 2021 (view filing)Dec 34 daysWang Feng-MingCEOSSale−4.45K$192.69−$857.9K−0.7%644.6K after
Dec 7, 2021 (view filing)Dec 34 daysJu Chi-HongSr. Vice President, SystemsSSale−1.50K$192.69−$288.1K−1.1%134.2K after
Dec 7, 2021 (view filing)Dec 34 daysKohn LeslieChief Technology OfficerSSale−3.41K$192.69−$657.8K−0.4%870.1K after
Dec 7, 2021 (view filing)Dec 34 daysLee Chan WChief Operating OfficerSSale−2.81K$192.69−$541.1K−11.2%22.2K after
Dec 7, 2021 (view filing)Dec 34 daysChen Yun-LungVP, Business DevelopmentSSale−12.0K$198.32−$2.38M−22.7%40.9K after2 lots
Dec 7, 2021 (view filing)Dec 34 daysDay ChristopherVP, MarketingSSale−832$192.69−$160.3K−6.8%11.4K after
Dec 7, 2021 (view filing)Dec 34 daysEichler Kevin CCFOSSale−4.72K$192.68−$908.7K−9.0%47.8K after
Dec 8, 2021 (view filing)Dec 62 daysPaisley Christopher BDirectorSSale−736$190.72−$140.4K−2.4%30.5K after
Dec 8, 2021 (view filing)Dec 71 dayMeng Teresa HDirectorSSale−959$221.71−$212.6K−14.1%5.85K after
Dec 8, 2021 (view filing)Dec 71 dayDay ChristopherVP, MarketingSSale−3.50K$207.79−$726.4K−30.7%7.89K after3 lots
Dec 10, 2021 (view filing)Dec 91 dayRichardson David JeffreyDirectorSSale−8.05K$216.00−$1.74M−35.6%14.6K after
Dec 17, 2021 (view filing)Dec 161 dayWang Feng-MingCEOSSale−4.75K$188.91−$897.9K−0.7%633.5K after
Dec 17, 2021 (view filing)Dec 161 dayJu Chi-HongSr. Vice President, SystemsSSale−1.59K$188.90−$301.3K−1.2%135.5K after
Dec 17, 2021 (view filing)Dec 161 dayKohn LeslieChief Technology OfficerSSale−3.64K$188.88−$688.3K−0.4%873.1K after
Dec 17, 2021 (view filing)Dec 161 dayLee Chan WChief Operating OfficerSSale−3.00K$188.84−$566.0K−10.8%24.7K after
Dec 17, 2021 (view filing)Dec 161 dayDay ChristopherVP, MarketingSSale−890$188.86−$168.1K−9.4%8.62K after
Dec 17, 2021 (view filing)Dec 161 dayEichler Kevin CCFOSSale−5.04K$188.85−$950.9K−8.8%51.9K after
Dec 22, 2021 (view filing)Dec 211 daySchwarting Elizabeth MDirectorSSale−815$194.60−$158.6K−23.5%2.65K after
Dec 28, 2021 (view filing)Dec 271 dayDay ChristopherVP, MarketingSSale−724$205.00−$148.4K−8.4%7.89K after
Dec 28, 2021 (view filing)Dec 271 dayJu Chi-HongSr. Vice President, SystemsSSale−402$209.98−$84.4K−0.3%135.1K after
Jan 3, 2022 (view filing)Dec 30, 20214 daysJu Chi-HongSr. Vice President, SystemsSSale−536$206.11−$110.5K−0.4%134.5K after
Jan 5, 2022 (view filing)Dec 7, 202129 daysLateJu Chi-HongSr. Vice President, SystemsSSale−1.00K$221.91−$221.9K−0.7%133.2K after2 lots
Mar 4, 2022 (view filing)Mar 31 dayChen Yun-LungVP, Business DevelopmentSSale−19.2K$96.91−$1.86M−40.2%28.6K after2 lots
Mar 11, 2022 (view filing)Mar 74 daysLateVerhalen Andrew WDirectorPPurchase+11.5K$88.60+$1.01MNew position11.5K after
Mar 14, 2022 (view filing)Mar 14Same dayWang Feng-MingCEOSSale−2.98K$84.42−$251.7K−0.5%639.0K after
Mar 14, 2022 (view filing)Mar 14Same dayJu Chi-HongSr. Vice President, SystemsSSale−1.31K$84.42−$111.0K−1.0%135.8K after
Mar 14, 2022 (view filing)Mar 14Same dayKohn LeslieChief Technology OfficerSSale−1.82K$84.42−$154.1K−0.2%861.3K after
Mar 14, 2022 (view filing)Mar 14Same dayLee Chan WChief Operating OfficerSSale−1.59K$84.42−$134.6K−5.5%27.5K after
Mar 14, 2022 (view filing)Mar 14Same dayDay ChristopherVP, MarketingSSale−713$84.42−$60.2K−7.3%9.04K after
Mar 14, 2022 (view filing)Mar 14Same dayEichler Kevin CCFOSSale−702$84.42−$59.3K−1.3%53.1K after
Mar 18, 2022 (view filing)Mar 162 daysWang Feng-MingCEOSSale−46.9K$91.20−$4.28M−6.4%686.6K after
Mar 18, 2022 (view filing)Mar 162 daysJu Chi-HongSr. Vice President, SystemsSSale−14.6K$91.20−$1.33M−8.7%152.7K after
Mar 18, 2022 (view filing)Mar 162 daysKohn LeslieChief Technology OfficerSSale−38.1K$91.20−$3.47M−4.1%901.1K after
Mar 18, 2022 (view filing)Mar 162 daysLee Chan WChief Operating OfficerSSale−31.4K$91.20−$2.87M−34.0%60.9K after
Mar 18, 2022 (view filing)Mar 162 daysDay ChristopherVP, MarketingSSale−7.41K$91.20−$675.3K−27.7%19.4K after
Mar 18, 2022 (view filing)Mar 162 daysEichler Kevin CCFOSSale−17.4K$91.20−$1.59M−19.2%73.3K after
Mar 18, 2022 (view filing)Mar 162 daysEichler Kevin CCFOSSale−1.19K$0.00$0–4.77K afterDerivative
Mar 18, 2022 (view filing)Mar 162 daysPaisley Christopher BDirectorSSale−750$88.59−$66.4K−2.3%31.3K after
Mar 18, 2022 (view filing)Mar 171 daySchwarting Elizabeth MDirectorSSale−113$92.95−$10.5K−3.7%2.91K after
Mar 31, 2022 (view filing)Mar 292 daysChen Yun-LungVP, Business DevelopmentSSale−8.00K$104.22−$833.8K−16.2%41.3K after
Mar 31, 2022 (view filing)Mar 292 daysPaisley Christopher BDirectorSSale−250$100.05−$25.0K−0.8%31.3K after
Jun 14, 2022 (view filing)Jun 131 dayPaisley Christopher BDirectorSSale−750$73.90−$55.4K−2.3%31.3K after2 lots
Jun 17, 2022 (view filing)Jun 161 dayWang Feng-MingCEOSSale−3.94K$66.26−$260.9K−0.6%689.9K after
Jun 17, 2022 (view filing)Jun 161 dayJu Chi-HongSr. Vice President, SystemsSSale−1.34K$66.26−$88.8K−0.9%153.9K after
Jun 17, 2022 (view filing)Jun 161 dayKohn LeslieChief Technology OfficerSSale−2.61K$66.25−$172.8K−0.3%903.3K after