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Nasdaq · USD

AMBA

AMBARELLA INC

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4248
SEC CIK
0001280263
Parsed reports
756

Last 12 months

Inside the activity.

0 purchase rows · 44 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202509
Jan 202601
Feb 202600
Mar 2026013
Apr 202601
May 202604
Jun 202607
Jul 202603
Aug 202600
Sep 202606
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
February 26, 2018 Filed Feb 28, 2018 22:25 UTC
Wang Feng-MingDirector · CEO
GrantRestricted Stock Units · Derivative 39,437 $0.00 $0.00
Disclosure

SEC source: 0001280263-18-000008 · edgardoc.xml · derivative · entry 1

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,437

Underlying: Ordinary Shares · 39,437 shares

Expires 2020-03-15

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · shares: On March 28, 2017, reporting person was granted an award of RSUs covering a target of 39,437 ordinary shares (the "Target RSU Number"), subject to satisfaction of predetermined, performance-based vesting criteria that could result in 0% to 150% of the Target RSU Number becoming eligible to vest, subject to certain adjustments as described below. On February 26, 2018, the Company's Board of Directors determined that the performance criteria for the RSUs had been satisfied at a level that resulted in 100% of the Target RSU Number becoming eligible for time-based vesting. Pursuant to the time-based vesting requirements, 100% of this portion of the award is scheduled to vest on March 15, 2020, subject to continued service requirements. In addition, the number of shares subject to the RSUs eligible to vest on March 15, 2020 may be increased or decreased by 25% or may remain the same, based on attainment of specified levels of the Company's total stockholder return.

F2 · derivative.exercise_date: On March 28, 2017, reporting person was granted an award of RSUs covering a target of 39,437 ordinary shares (the "Target RSU Number"), subject to satisfaction of predetermined, performance-based vesting criteria that could result in 0% to 150% of the Target RSU Number becoming eligible to vest, subject to certain adjustments as described below. On February 26, 2018, the Company's Board of Directors determined that the performance criteria for the RSUs had been satisfied at a level that resulted in 100% of the Target RSU Number becoming eligible for time-based vesting. Pursuant to the time-based vesting requirements, 100% of this portion of the award is scheduled to vest on March 15, 2020, subject to continued service requirements. In addition, the number of shares subject to the RSUs eligible to vest on March 15, 2020 may be increased or decreased by 25% or may remain the same, based on attainment of specified levels of the Company's total stockholder return.

F2 · derivative.expiration_date: On March 28, 2017, reporting person was granted an award of RSUs covering a target of 39,437 ordinary shares (the "Target RSU Number"), subject to satisfaction of predetermined, performance-based vesting criteria that could result in 0% to 150% of the Target RSU Number becoming eligible to vest, subject to certain adjustments as described below. On February 26, 2018, the Company's Board of Directors determined that the performance criteria for the RSUs had been satisfied at a level that resulted in 100% of the Target RSU Number becoming eligible for time-based vesting. Pursuant to the time-based vesting requirements, 100% of this portion of the award is scheduled to vest on March 15, 2020, subject to continued service requirements. In addition, the number of shares subject to the RSUs eligible to vest on March 15, 2020 may be increased or decreased by 25% or may remain the same, based on attainment of specified levels of the Company's total stockholder return.

Read SEC document
December 29, 2017 Filed Jan 3, 2018 20:53 UTC
Chen Yun-LungVP, Business Development
SaleOrdinary Shares 4,435 $59.80 $265,213.00
Disclosure

SEC source: 0001280263-18-000002 · edgardoc.xml · nonDerivative · entry 1

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,275

Read SEC document
December 18, 2017 Filed Dec 20, 2017 16:40 UTC Exercise / conversionRestricted Stock Units · Derivative 1,231 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000097 · edgardoc.xml · derivative · entry 2

Hon Hsiao-Wuen · CIK 0001715983 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,695

Underlying: Ordinary Shares · 1,231 shares

Expires 2018-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

F2 · derivative.expiration_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 16:40 UTC Exercise / conversionOrdinary Shares 1,231 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000097 · edgardoc.xml · nonDerivative · entry 1

Hon Hsiao-Wuen · CIK 0001715983 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,231

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 16:37 UTC
Hu ChenmingDirector
Exercise / conversionRestricted Stock Units · Derivative 1,231 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000094 · edgardoc.xml · derivative · entry 2

Hu Chenming · CIK 0001316320 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,695

Underlying: Ordinary Shares · 1,231 shares

Expires 2018-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

F2 · derivative.expiration_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 16:37 UTC
Hu ChenmingDirector
Exercise / conversionOrdinary Shares 1,231 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000094 · edgardoc.xml · nonDerivative · entry 1

Hu Chenming · CIK 0001316320 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,411

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:44 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 2,843 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000102 · edgardoc.xml · derivative · entry 4

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,532

Underlying: Ordinary Shares · 2,843 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:44 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 2,104 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000102 · edgardoc.xml · derivative · entry 3

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,732

Underlying: Ordinary Shares · 2,104 shares

Expires 2019-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F3 · derivative.expiration_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:44 UTC
Laplante GeorgeChief Financial Officer
SaleOrdinary Shares 4,202 $57.69 $242,413.38
Disclosure

SEC source: 0001280263-17-000102 · edgardoc.xml · nonDerivative · entry 2

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,739

F2 · kind: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:44 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionOrdinary Shares 4,947 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000102 · edgardoc.xml · nonDerivative · entry 1

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,941

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Day ChristopherVP, Marketing
Exercise / conversionRestricted Stock Units · Derivative 962 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000101 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,888

Underlying: Ordinary Shares · 962 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Day ChristopherVP, Marketing
Exercise / conversionRestricted Stock Units · Derivative 877 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000101 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,139

Underlying: Ordinary Shares · 877 shares

Expires 2019-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F3 · derivative.expiration_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Day ChristopherVP, Marketing
SaleOrdinary Shares 1,111 $57.69 $64,093.59
Disclosure

SEC source: 0001280263-17-000101 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,105

F2 · kind: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Day ChristopherVP, Marketing
Exercise / conversionOrdinary Shares 1,839 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000101 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,216

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Chen Yun-LungVP, Business Development
Exercise / conversionRestricted Stock Units · Derivative 883 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000100 · edgardoc.xml · derivative · entry 5

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,178

Underlying: Ordinary Shares · 883 shares

Expires 2026-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F5 · derivative.exercise_date: The restricted stock units vest at the rate of 1/14 per quarter commencing on March 15, 2016.

F5 · derivative.expiration_date: The restricted stock units vest at the rate of 1/14 per quarter commencing on March 15, 2016.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Chen Yun-LungVP, Business Development
Exercise / conversionRestricted Stock Units · Derivative 353 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000100 · edgardoc.xml · derivative · entry 4

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,473

Underlying: Ordinary Shares · 353 shares

Expires 2025-10-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2015.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2015.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Chen Yun-LungVP, Business Development
Exercise / conversionRestricted Stock Units · Derivative 1,159 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000100 · edgardoc.xml · derivative · entry 3

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,479

Underlying: Ordinary Shares · 1,159 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F3 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Chen Yun-LungVP, Business Development
Exercise / conversionRestricted Stock Units · Derivative 929 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000100 · edgardoc.xml · derivative · entry 2

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,507

Underlying: Ordinary Shares · 929 shares

Expires 2019-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F2 · derivative.expiration_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:43 UTC
Chen Yun-LungVP, Business Development
Exercise / conversionOrdinary Shares 3,324 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000100 · edgardoc.xml · nonDerivative · entry 1

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,710

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:42 UTC
Kohn LeslieDirector · Chief Technology Officer
Exercise / conversionRestricted Stock Units · Derivative 2,975 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000099 · edgardoc.xml · derivative · entry 4

Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,925

Underlying: Ordinary Shares · 2,975 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:42 UTC
Kohn LeslieDirector · Chief Technology Officer
Exercise / conversionRestricted Stock Units · Derivative 2,613 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000099 · edgardoc.xml · derivative · entry 3

Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,292

Underlying: Ordinary Shares · 2,613 shares

Expires 2019-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F3 · derivative.expiration_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:42 UTC
Kohn LeslieDirector · Chief Technology Officer
SaleOrdinary Shares 4,614 $57.69 $266,181.66
Disclosure

SEC source: 0001280263-17-000099 · edgardoc.xml · nonDerivative · entry 2

Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 902,152

F2 · kind: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:42 UTC
Kohn LeslieDirector · Chief Technology Officer
Exercise / conversionOrdinary Shares 5,588 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000099 · edgardoc.xml · nonDerivative · entry 1

Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 906,766

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:41 UTC
Wang Feng-MingDirector · CEO
Exercise / conversionRestricted Stock Units · Derivative 5,250 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000098 · edgardoc.xml · derivative · entry 4

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,750

Underlying: Ordinary Shares · 5,250 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:41 UTC
Wang Feng-MingDirector · CEO
Exercise / conversionRestricted Stock Units · Derivative 4,929 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000098 · edgardoc.xml · derivative · entry 3

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,649

Underlying: Ordinary Shares · 4,929 shares

Expires 2019-03-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The RSUs vest as to 1/8 of the RSUs on June 15, 2017 and 1/8 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on March 15, 2019.

F3 · derivative.expiration_date: The RSUs vest as to 1/8 of the RSUs on June 15, 2017 and 1/8 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on March 15, 2019.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:41 UTC
Wang Feng-MingDirector · CEO
SaleOrdinary Shares 8,851 $57.69 $510,614.19
Disclosure

SEC source: 0001280263-17-000098 · edgardoc.xml · nonDerivative · entry 2

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,416

F2 · kind: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:41 UTC
Wang Feng-MingDirector · CEO
Exercise / conversionOrdinary Shares 10,179 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000098 · edgardoc.xml · nonDerivative · entry 1

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 293,267

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:40 UTC Exercise / conversionRestricted Stock Units · Derivative 417 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000096 · edgardoc.xml · derivative · entry 3

RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 417

Underlying: Ordinary Shares · 417 shares

Expires 2024-03-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on March 15, 2014.

F3 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on March 15, 2014.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:40 UTC Exercise / conversionRestricted Stock Units · Derivative 1,231 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000096 · edgardoc.xml · derivative · entry 2

RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,695

Underlying: Ordinary Shares · 1,231 shares

Expires 2018-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

F2 · derivative.expiration_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

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December 18, 2017 Filed Dec 20, 2017 21:40 UTC Exercise / conversionOrdinary Shares 1,648 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000096 · edgardoc.xml · nonDerivative · entry 1

RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,621

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:38 UTC Exercise / conversionRestricted Stock Units · Derivative 1,231 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000095 · edgardoc.xml · derivative · entry 2

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,695

Underlying: Ordinary Shares · 1,231 shares

Expires 2018-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

F2 · derivative.expiration_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:38 UTC Exercise / conversionOrdinary Shares 1,231 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000095 · edgardoc.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,302

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 18, 2017 Filed Dec 20, 2017 21:10 UTC Exercise / conversionRestricted Stock Units · Derivative 1,231 $0.00 $0.00
Disclosure

SEC source: 0000899243-17-029318 · doc4.xml · derivative · entry 4

VERHALEN ANDREW W · CIK 0001205979 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,695

Underlying: Ordinary Shares · 1,231 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: Of the total of 4,926 shares granted, the restricted stock units vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

F2 · derivative.expiration_date: Of the total of 4,926 shares granted, the restricted stock units vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2017, so as to be 100% vested on September 15, 2018.

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December 18, 2017 Filed Dec 20, 2017 21:10 UTC Exercise / conversionOrdinary Shares 1,231 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-029318 · doc4.xml · nonDerivative · entry 1

VERHALEN ANDREW W · CIK 0001205979 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,129

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 19:12 UTC Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,000 $0.00 Strike: $6.00 $0.00
Disclosure

SEC source: 0001280263-17-000083 · edgardoc.xml · derivative · entry 3

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,667

Underlying: Ordinary Shares · 2,000 shares

Expires 2022-10-08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Shares subject to the option vest monthly over four years commencing on August 20, 2012.

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December 11, 2017 Filed Dec 13, 2017 19:12 UTC SaleOrdinary Shares 2,000 $59.23 $118,463.00
Disclosure

SEC source: 0001280263-17-000083 · edgardoc.xml · nonDerivative · entry 2

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,071

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2017.

F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $59.02 to $59.70 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.

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December 11, 2017 Filed Dec 13, 2017 19:12 UTC Exercise / conversionOrdinary Shares 2,000 $6.00 $12,000.00
Disclosure

SEC source: 0001280263-17-000083 · edgardoc.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,071

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 19:11 UTC
Chen Yun-LungVP, Business Development
SaleOrdinary Shares 11,340 $59.80 $678,132.00
Disclosure

SEC source: 0001280263-17-000082 · edgardoc.xml · nonDerivative · entry 1

Chen Yun-Lung · CIK 0001602676 · VP, Business Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,386

Read SEC document
September 29, 2017 Filed Oct 2, 2017 21:57 UTC
Day ChristopherVP, Marketing
SaleOrdinary Shares 2,618 $49.15 $128,674.70
Disclosure

SEC source: 0001280263-17-000079 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,377

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $48.87 to $49.50 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 16:17 UTC
Hu ChenmingDirector
Exercise / conversionRestricted Stock Units · Derivative 726 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000070 · edgardoc.xml · derivative · entry 2

Hu Chenming · CIK 0001316320 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 726 shares

Expires 2017-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F2 · derivative.exercise_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2016, so as to be 100% vested on September 15, 2017.

F2 · derivative.expiration_date: The restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of September 15, 2016, so as to be 100% vested on September 15, 2017.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 16:17 UTC
Hu ChenmingDirector
Exercise / conversionOrdinary Shares 726 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000070 · edgardoc.xml · nonDerivative · entry 1

Hu Chenming · CIK 0001316320 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,180

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:21 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 2,844 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000077 · edgardoc.xml · derivative · entry 5

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,375

Underlying: Ordinary Shares · 2,844 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F5 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F5 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:21 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 2,625 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000077 · edgardoc.xml · derivative · entry 4

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 2,625 shares

Expires 2023-08-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2013.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2013.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:21 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 2,105 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000077 · edgardoc.xml · derivative · entry 3

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,836

Underlying: Ordinary Shares · 2,105 shares

Expires 2019-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F3 · derivative.expiration_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:21 UTC
Laplante GeorgeChief Financial Officer
SaleOrdinary Shares 5,592 $46.50 $260,028.00
Disclosure

SEC source: 0001280263-17-000077 · edgardoc.xml · nonDerivative · entry 2

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,994

F2 · kind: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:21 UTC
Laplante GeorgeChief Financial Officer
Exercise / conversionOrdinary Shares 7,574 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000077 · edgardoc.xml · nonDerivative · entry 1

Laplante George · CIK 0001558646 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,586

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:20 UTC
Day ChristopherVP, Marketing
Exercise / conversionRestricted Stock Units · Derivative 963 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000076 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,850

Underlying: Ordinary Shares · 963 shares

Expires 2024-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F6 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

F6 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2014.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:20 UTC
Day ChristopherVP, Marketing
Exercise / conversionRestricted Stock Units · Derivative 1,094 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000076 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 1,094 shares

Expires 2023-08-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F5 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2013.

F5 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter commencing on September 15, 2013.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:20 UTC
Day ChristopherVP, Marketing
Exercise / conversionRestricted Stock Units · Derivative 877 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000076 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,016

Underlying: Ordinary Shares · 877 shares

Expires 2019-09-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F4 · derivative.exercise_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

F4 · derivative.expiration_date: The RSUs vest as to 1/10 of the RSUs on June 15, 2017 and 1/10 of the RSUs will vest each three months thereafter such that the RSUs are 100% vested on September 15, 2019.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 20:20 UTC
Day ChristopherVP, Marketing
SaleOrdinary Shares 1,529 $46.50 $71,098.50
Disclosure

SEC source: 0001280263-17-000076 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,995

F3 · kind: Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.