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AMBA

AMBARELLA INC

NASDAQ · Technology · Semiconductors · US

$66.15
−1.14%
Ask drillr
0
Insider buys (3m)
8
Insider sells (3m)
-$3.8M
Net value (3m)
-7.8%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 18, 2026Young John Alexander · officer: CFOSale3,126$65
Sep 18, 2026Lee Chan W · officer: Chief Operations OfficerSale2,893$65
Sep 18, 2026Ju Chi-Hong · officer: Senior VP, Systems & GMSale2,009$65
Sep 18, 2026Wang Feng-Ming · director, officer: CEOSale6,086$65
Sep 10, 2026Hon Hsiao-Wuen · directorA-Award3,151$0.00
Sep 10, 2026Bryant Gregory M · directorA-Award3,151$0.00
Sep 10, 2026Schwarting Elizabeth M · directorA-Award3,151$0.00
Sep 10, 2026RICHARDSON DAVID JEFFREY · directorA-Award3,151$0.00
Sep 10, 2026PAISLEY CHRISTOPHER B · directorA-Award3,151$0.00
Sep 10, 2026Breithaupt Chantelle Yvette · directorA-Award3,151$0.00
Sep 10, 2026Hu Chenming · directorA-Award3,151$0.00
Jul 10, 2026Chen Yun-Lung · officer: VP, Business Dev. & MarketingSale5,958$79
Jul 2, 2026Ju Chi-Hong · officer: Senior VP, Systems & GMSale10,000$89
Jul 2, 2026Wang Feng-Ming · director, officer: CEOSale16,250$90
Jun 30, 2026PAISLEY CHRISTOPHER B · directorSale250$62
Jun 18, 2026Ju Chi-Hong · officer: Senior VP, Systems & GMSale2,017$68
Jun 18, 2026Young John Alexander · officer: CFOSale3,186$68
Jun 18, 2026Lee Chan W · officer: Chief Operations OfficerSale2,951$68
Jun 18, 2026Wang Feng-Ming · director, officer: CEOSale6,204$68
Jun 18, 2026Young John Alexander · officer: CFOSale1,847$67
Jun 16, 2026Chen Yun-Lung · officer: VP, Business Development andSale9,856$67
May 28, 2026Young John Alexander · officer: CFOSale400$96
May 28, 2026Wang Feng-Ming · director, officer: CEOSale17,285$90
May 28, 2026Wang Feng-Ming · director, officer: CEOSale9,150$92
May 28, 2026Wang Feng-Ming · director, officer: CEOSale6,065$91
May 28, 2026Young John Alexander · officer: CFOM-Exempt400$56
Apr 22, 2026Young John Alexander · officer: CFOSale1,971$60
Mar 19, 2026Young John Alexander · officer: CFOM-Exempt3,556$0.00
Mar 19, 2026Chen Yun-Lung · officer: VP, Business Development and MM-Exempt4,651$0.00
Mar 19, 2026Lee Chan W · officer: Chief Operations OfficerM-Exempt13,678$0.00
Institutional positioning

13F filings over the trailing two quarters

New 150Increased 234Reduced 179Sold out 49
FilerActionSharesFiled
BlackRock, Inc.Increased3,944,592Aug 7, 2026
BLACKROCK, INC.Reduced3,789,215May 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position3,716,863May 8, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced3,688,405Aug 13, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased2,598,976Aug 14, 2026
STATE STREET CORPIncreased2,562,733Aug 7, 2026
STATE STREET CORPIncreased1,976,464May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased1,873,539Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1,814,603May 15, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THEIncreased1,586,082May 15, 2026
MILLENNIUM MANAGEMENT LLCIncreased1,512,539May 15, 2026
CITADEL ADVISORS LLCIncreased1,258,362May 15, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THEReduced1,186,541Sep 9, 2026
Legal & General Group PlcIncreased1,116,729Aug 14, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased1,098,120Aug 12, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 18, 2026