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All trades / AMBA

AMBA

AMBARELLA INC

809Open-market trades
+1.03%Avg 90d after buys
−8.53%Avg 90d after sales
−27.0%Avg 180d after buys

Price and insider prints

AMBA adjusted close▲ buy▼ sale
39.7953.7267.6581.5895.512026-09-17 sell Ju Chi-Hong2026-07-09 sell Chen Yun-Lung2026-07-01 sell Ju Chi-Hong2026-06-26 sell PAISLEY CHRISTOPHER B2026-06-17 sell Lee Chan W2026-06-12 sell Chen Yun-Lung2026-05-26 sell Wang Feng-Ming2026-04-21 sell Young John Alexander2026-03-19 sell Wang Feng-Ming2026-03-17 sell Wang Feng-Ming2026-03-02 sell Wang Feng-Ming2026-01-05 sell Ju Chi-Hong2025-12-30 sell Ju Chi-Hong2025-12-26 sell PAISLEY CHRISTOPHER B2025-12-18 sell Young John Alexander2025-12-17 sell Wang Feng-Ming2025-12-16 sell Schwarting Elizabeth M2025-10-14 sell Ju Chi-Hong2025-10-13 sell Ju Chi-Hong2025-10-06 sell Schwarting Elizabeth M2025-09-17 sell Kohn Leslie2025-09-10 sell Chen Yun-Lung2025-06-25 sell PAISLEY CHRISTOPHER B2025-06-17 sell Wang Feng-Ming2025-03-25 sell PAISLEY CHRISTOPHER B2025-03-18 sell Wang Feng-Ming2025-03-06 sell Young John Alexander2025-01-16 sell Lee Chan W2025-01-15 sell Lee Chan W2025-01-14 sell Lee Chan W2025-01-13 sell Lee Chan W2025-01-10 sell Lee Chan W2025-01-08 sell Lee Chan W2025-01-07 sell Lee Chan W2025-01-06 sell Lee Chan W2025-01-03 sell Lee Chan W2023-09-202026-09-18

Trades

Clear
DateForm 4TickerInsiderTitleSideSharesValue90d180d
9/17/2026Form 4AMBAJu Chi-HongSenior VP, Systems & GMSELL2,009$130.2K+12.9%hist+8.04%hist
9/17/2026Form 4AMBAYoung John AlexanderCFOSELL3,126$202.7K−3.01%hist−11.9%hist
9/17/2026Form 4AMBAWang Feng-MingCEOSELL6,086$394.6K−15.0%hist−33.5%hist
9/17/2026Form 4AMBALee Chan WChief Operations OfficerSELL2,893$187.6K+13.9%hist+4.51%hist
7/9/2026Form 4AMBAChen Yun-LungVP, Business Dev. & MarketingSELL5,958$468.7K+10.3%hist+12.7%hist
7/1/2026Form 4AMBAJu Chi-HongSenior VP, Systems & GMSELL10,000$888.4K+12.9%hist+8.04%hist
7/1/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL16,250$1.46M−15.0%hist−33.5%hist
6/26/2026Form 4AMBA
10b5-1
PAISLEY CHRISTOPHER BMr. Paisley has served as the Dean’s Executive Professor of Accounting at the Leavey School of Business at Santa Clara University. Mr. Paisley also serves as lead independent director of Equinix, Inc., a provider of network colocation, interconnection, and managed services, since July 2007, and a member of the board of directors of Ambarella, Inc., a developer of low-power, high-definition video compression and image processing semiconductors, since August 2012. Mr. Paisley previously served as a director of Fortinet, Inc., a cybersecurity software company, from 2004 until May 2021, and as Chief Financial Officer and a director of Enterprise 4.0 Technology Acquisition Corp., a special purpose acquisition…DirectorSELL250$15.5K−2.02%hist−5.47%hist
6/17/2026Form 4AMBALee Chan WChief Operations OfficerSELL2,951$200.3K+2.35%+4.51%hist
6/17/2026Form 4AMBA
10b5-1
Young John AlexanderCFOSELL3,186$216.2K+2.35%−11.9%hist
6/17/2026Form 4AMBA
10b5-1
Young John AlexanderCFOSELL1,847$123.7K+2.35%−11.9%hist
6/17/2026Form 4AMBAWang Feng-MingCEOSELL6,204$421.1K+2.35%−33.5%hist
6/17/2026Form 4AMBAJu Chi-HongSenior VP, Systems & GMSELL2,017$136.9K+2.35%+8.04%hist
6/12/2026Form 4AMBAChen Yun-LungVP, Business Development andSELL9,856$660.9K−0.13%+12.7%hist
5/26/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL17,285$1.56M+25.2%−33.5%hist
5/26/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL6,065$553.3K+25.2%−33.5%hist
5/26/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL9,150$842.3K+25.2%−33.5%hist
5/26/2026Form 4AMBA
10b5-1
Young John AlexanderCFOSELL400$38.4K+25.2%−11.9%hist
4/21/2026Form 4AMBA
10b5-1
Young John AlexanderCFOSELL1,971$118.3K−9.54%−11.9%hist
3/19/2026Form 4AMBAWang Feng-MingCEOSELL8,083$437.6K−17.9%−15.2%
3/19/2026Form 4AMBAYoung John AlexanderCFOSELL3,038$164.5K−17.9%−15.2%
3/19/2026Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL2,155$116.7K−17.9%−15.2%
3/19/2026Form 4AMBALee Chan WChief Operations OfficerSELL3,641$197.1K−17.9%−15.2%
3/17/2026Form 4AMBAWang Feng-MingCEOSELL18,976$1.00M−33.1%−21.4%
3/17/2026Form 4AMBAYoung John AlexanderCFOSELL4,577$241.5K−33.1%−21.4%
3/17/2026Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL4,729$249.5K−33.1%−21.4%
3/17/2026Form 4AMBALee Chan WChief Operations OfficerSELL6,729$355.1K−33.1%−21.4%
3/2/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL2,600$154.8K−24.0%−13.7%
3/2/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL32,460$1.98M−24.0%−13.7%
3/2/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL12,040$739.5K−24.0%−13.7%
3/2/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL1,000$56.8K−24.0%−13.7%
3/2/2026Form 4AMBA
10b5-1
Wang Feng-MingCEOSELL1,900$111.7K−24.0%−13.7%
1/5/2026Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL7,728$584.1K+33.9%−3.40%
12/30/2025Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL7,945$558.1K+30.3%+3.96%
12/30/2025Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL3,765$264.8K+30.3%+3.96%
12/26/2025Form 4AMBAPAISLEY CHRISTOPHER BMr. Paisley has served as the Dean’s Executive Professor of Accounting at the Leavey School of Business at Santa Clara University. Mr. Paisley also serves as lead independent director of Equinix, Inc., a provider of network colocation, interconnection, and managed services, since July 2007, and a member of the board of directors of Ambarella, Inc., a developer of low-power, high-definition video compression and image processing semiconductors, since August 2012. Mr. Paisley previously served as a director of Fortinet, Inc., a cybersecurity software company, from 2004 until May 2021, and as Chief Financial Officer and a director of Enterprise 4.0 Technology Acquisition Corp., a special purpose acquisition…DirectorSELL500$36.1K+26.2%+11.8%
12/18/2025Form 4AMBAYoung John AlexanderCFOSELL3,791$276.6K+23.4%+4.74%
12/17/2025Form 4AMBAWang Feng-MingCEOSELL4,950$355.5K+24.7%−0.23%
12/17/2025Form 4AMBAYoung John AlexanderCFOSELL2,579$185.2K+24.7%−0.23%
12/17/2025Form 4AMBALee Chan WChief Operations OfficerSELL2,406$172.8K+24.7%−0.23%
12/17/2025Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL1,342$96.4K+24.7%−0.23%
12/16/2025Form 4AMBASchwarting Elizabeth MDirectorSELL624$45.2K+27.2%+2.56%
10/14/2025Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL6,156$498.4K+15.5%+33.1%
10/13/2025Form 4AMBAJu Chi-HongSenior VP, Systems & GM, AsiaSELL5,057$411.1K+15.3%+32.9%
10/6/2025Form 4AMBASchwarting Elizabeth MDirectorSELL2,664$227.5K+9.59%+40.2%
9/17/2025Form 4AMBAKohn LeslieLeslie Kohn has served as our Chief Technology Officer and a member of our Board since he co-founded Ambarella in January 2004. Prior to co-founding Ambarella, Mr. Kohn was Chief Technology Officer and co-founder of Afara Websystems from November 2000 to July 2002. After Afara’s acquisition by Sun Microsystems in July 2002, Mr. Kohn served as a fellow at Sun Microsystems until August 2003. Mr. Kohn served as Chief Architect of C-Cube Microsystems from February 1995 to October 2000. Prior to joining C-Cube Microsystems, Mr. Kohn served in engineering and management positions with Sun Microsystems, Intel Corporation and National Semiconductor. Mr. Kohn holds a B.S. degree in physics from California Institute…Chief Technology OfficerSELL2,249$178.6K+9.66%+34.2%
9/17/2025Form 4AMBAJu Chi-HongSr. Vice President, SystemsSELL1,168$92.8K+9.66%+34.2%
9/17/2025Form 4AMBAYoung John AlexanderCFOSELL2,566$203.8K+9.66%+34.2%
9/17/2025Form 4AMBAWang Feng-MingCEOSELL4,928$391.4K+9.66%+34.2%
9/17/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,947$154.7K+9.66%+34.2%
9/10/2025Form 4AMBAChen Yun-LungVP, Business DevelopmentSELL8,492$716.9K+6.25%+36.2%
6/25/2025Form 4AMBA
10b5-1
PAISLEY CHRISTOPHER BMr. Paisley has served as the Dean’s Executive Professor of Accounting at the Leavey School of Business at Santa Clara University. Mr. Paisley also serves as lead independent director of Equinix, Inc., a provider of network colocation, interconnection, and managed services, since July 2007, and a member of the board of directors of Ambarella, Inc., a developer of low-power, high-definition video compression and image processing semiconductors, since August 2012. Mr. Paisley previously served as a director of Fortinet, Inc., a cybersecurity software company, from 2004 until May 2021, and as Chief Financial Officer and a director of Enterprise 4.0 Technology Acquisition Corp., a special purpose acquisition…DirectorSELL1,000$62.6K−34.1%−12.2%
6/17/2025Form 4AMBAWang Feng-MingCEOSELL4,677$244.4K−54.2%−40.9%
6/17/2025Form 4AMBADay ChristopherChristopher Day has served as our Vice President, Marketing and Business Development since March 2010. Prior to joining Ambarella, Mr. Day was President and Chief Executive Officer of Mobilygen, Inc., a video compression company from March 2007 to October 2008, prior to acquisition by Maxim Integrated Products, Inc., and then served as Executive Director of Business Management of Maxim until March 2010. From February 2002 to February 2007, Mr. Day served as General Manager of Media Processing at NXP Semiconductors N.V., formerly Philips Semiconductor. From February 1998 to May 2001, Mr. Day served as Senior Director of Marketing for C-Cube Microsystems. Prior to joining C-Cube Microsystems, Mr. Day held…VP, MarketingSELL342$17.9K−54.2%−40.9%
6/17/2025Form 4AMBAYoung John AlexanderCFOSELL2,435$127.3K−54.2%−40.9%
6/17/2025Form 4AMBAKohn LeslieLeslie Kohn has served as our Chief Technology Officer and a member of our Board since he co-founded Ambarella in January 2004. Prior to co-founding Ambarella, Mr. Kohn was Chief Technology Officer and co-founder of Afara Websystems from November 2000 to July 2002. After Afara’s acquisition by Sun Microsystems in July 2002, Mr. Kohn served as a fellow at Sun Microsystems until August 2003. Mr. Kohn served as Chief Architect of C-Cube Microsystems from February 1995 to October 2000. Prior to joining C-Cube Microsystems, Mr. Kohn served in engineering and management positions with Sun Microsystems, Intel Corporation and National Semiconductor. Mr. Kohn holds a B.S. degree in physics from California Institute…Chief Technology OfficerSELL1,715$89.6K−54.2%−40.9%
6/17/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,601$83.7K−54.2%−40.9%
6/17/2025Form 4AMBAJu Chi-HongSr. Vice President, SystemsSELL1,108$57.9K−54.2%−40.9%
3/25/2025Form 4AMBAPAISLEY CHRISTOPHER BMr. Paisley has served as the Dean’s Executive Professor of Accounting at the Leavey School of Business at Santa Clara University. Mr. Paisley also serves as lead independent director of Equinix, Inc., a provider of network colocation, interconnection, and managed services, since July 2007, and a member of the board of directors of Ambarella, Inc., a developer of low-power, high-definition video compression and image processing semiconductors, since August 2012. Mr. Paisley previously served as a director of Fortinet, Inc., a cybersecurity software company, from 2004 until May 2021, and as Chief Financial Officer and a director of Enterprise 4.0 Technology Acquisition Corp., a special purpose acquisition…DirectorSELL500$27.8K+7.50%−59.3%
3/18/2025Form 4AMBAWang Feng-MingCEOSELL3,194$175.7K+2.60%−50.2%
3/18/2025Form 4AMBAJu Chi-HongSr. Vice President, SystemsSELL1,034$56.9K+2.60%−50.2%
3/18/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,468$80.8K+2.60%−50.2%
3/18/2025Form 4AMBADay ChristopherChristopher Day has served as our Vice President, Marketing and Business Development since March 2010. Prior to joining Ambarella, Mr. Day was President and Chief Executive Officer of Mobilygen, Inc., a video compression company from March 2007 to October 2008, prior to acquisition by Maxim Integrated Products, Inc., and then served as Executive Director of Business Management of Maxim until March 2010. From February 2002 to February 2007, Mr. Day served as General Manager of Media Processing at NXP Semiconductors N.V., formerly Philips Semiconductor. From February 1998 to May 2001, Mr. Day served as Senior Director of Marketing for C-Cube Microsystems. Prior to joining C-Cube Microsystems, Mr. Day held…VP, MarketingSELL479$26.4K+2.60%−50.2%
3/18/2025Form 4AMBAYoung John AlexanderCFOSELL2,103$115.7K+2.60%−50.2%
3/18/2025Form 4AMBAKohn LeslieLeslie Kohn has served as our Chief Technology Officer and a member of our Board since he co-founded Ambarella in January 2004. Prior to co-founding Ambarella, Mr. Kohn was Chief Technology Officer and co-founder of Afara Websystems from November 2000 to July 2002. After Afara’s acquisition by Sun Microsystems in July 2002, Mr. Kohn served as a fellow at Sun Microsystems until August 2003. Mr. Kohn served as Chief Architect of C-Cube Microsystems from February 1995 to October 2000. Prior to joining C-Cube Microsystems, Mr. Kohn served in engineering and management positions with Sun Microsystems, Intel Corporation and National Semiconductor. Mr. Kohn holds a B.S. degree in physics from California Institute…Chief Technology OfficerSELL1,584$87.2K+2.60%−50.2%
3/6/2025Form 4AMBAYoung John AlexanderCFOSELL2,663$146.8K−0.04%−49.6%
3/6/2025Form 4AMBAKohn LeslieLeslie Kohn has served as our Chief Technology Officer and a member of our Board since he co-founded Ambarella in January 2004. Prior to co-founding Ambarella, Mr. Kohn was Chief Technology Officer and co-founder of Afara Websystems from November 2000 to July 2002. After Afara’s acquisition by Sun Microsystems in July 2002, Mr. Kohn served as a fellow at Sun Microsystems until August 2003. Mr. Kohn served as Chief Architect of C-Cube Microsystems from February 1995 to October 2000. Prior to joining C-Cube Microsystems, Mr. Kohn served in engineering and management positions with Sun Microsystems, Intel Corporation and National Semiconductor. Mr. Kohn holds a B.S. degree in physics from California Institute…Chief Technology OfficerSELL2,316$127.6K−0.04%−49.6%
3/6/2025Form 4AMBADay ChristopherChristopher Day has served as our Vice President, Marketing and Business Development since March 2010. Prior to joining Ambarella, Mr. Day was President and Chief Executive Officer of Mobilygen, Inc., a video compression company from March 2007 to October 2008, prior to acquisition by Maxim Integrated Products, Inc., and then served as Executive Director of Business Management of Maxim until March 2010. From February 2002 to February 2007, Mr. Day served as General Manager of Media Processing at NXP Semiconductors N.V., formerly Philips Semiconductor. From February 1998 to May 2001, Mr. Day served as Senior Director of Marketing for C-Cube Microsystems. Prior to joining C-Cube Microsystems, Mr. Day held…VP, MarketingSELL834$46.0K−0.04%−49.6%
3/6/2025Form 4AMBAJu Chi-HongSr. Vice President, SystemsSELL1,859$102.4K−0.04%−49.6%
3/6/2025Form 4AMBAWang Feng-MingCEOSELL4,104$226.2K−0.04%−49.6%
3/6/2025Form 4AMBALee Chan WChief Operating OfficerSELL2,108$116.2K−0.04%−49.6%
1/16/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$77.2K+44.2%+14.8%
1/15/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$75.9K+40.7%+13.0%
1/14/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$75.7K+39.4%+10.4%
1/13/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$73.5K+39.9%+11.1%
1/10/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$74.1K+42.4%+10.1%
1/8/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$73.5K+47.1%+14.0%
1/7/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$78.7K+43.9%+11.8%
1/6/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$79.2K+46.7%+16.1%
1/3/2025Form 4AMBALee Chan WChief Operating OfficerSELL1,000$75.1K+41.6%+14.7%

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