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Day Christopher

Disclosed activity across 1 company

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78272
SEC CIK
0001558685

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
AMBARELLA INCAMBA · Entity 4248VP, MarketingJune 17, 2025June 20, 2025

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

AMBARELLA INC

Report date June 17, 2025 · Filed June 20, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Ordinary SharesSEC Table I · non-derivativeDirect15,099 Reported balance After 2025-06-17 transaction · row 1
1 source row

Row 1 · 2025-06-17 · Sale · Disposed 342 · Balance 15,099

F1: Shares sold to pay tax obligations resulting from the vesting of restricted stock units.

Filing footnotes · ownership attribution and instrument terms

F1: Shares sold to pay tax obligations resulting from the vesting of restricted stock units.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 16, 2017 Filed Jun 20, 2017 21:02 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 962 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000041 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,813

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.

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
June 16, 2017 Filed Jun 20, 2017 21:02 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 1,094 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000041 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,094

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.

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
June 16, 2017 Filed Jun 20, 2017 21:02 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 876 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000041 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,893

Underlying: Ordinary Shares · 876 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
June 16, 2017 Filed Jun 20, 2017 21:02 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 1,526 $48.77 $74,423.02
Disclosure

SEC source: 0001280263-17-000041 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,366

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

Read SEC document
June 16, 2017 Filed Jun 20, 2017 21:02 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 2,932 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000041 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,892

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
March 31, 2017 Filed Mar 31, 2017 23:24 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 2,109 $55.50 $117,049.50
Disclosure

SEC source: 0001280263-17-000027 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,960

Read SEC document
March 28, 2017 Filed Mar 30, 2017 23:39 UTC AMBARELLA INC AMBA · Entity 4248 GrantRestricted Stock Units · Derivative 8,769 $0.00 $0.00
Disclosure

SEC source: 0000899243-17-008943 · doc4.xml · derivative · entry 1

Day Christopher · CIK 0001558685 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,769

Underlying: Ordinary Shares · 8,769 shares

Expires not disclosed

F1 · derivative.exercise_price: The RSUs convert into the Issuer's Ordinary Shares on a one-for-one basis.

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

Read SEC document
March 16, 2017 Filed Mar 17, 2017 22:16 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 963 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000024 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,775

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.

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

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

Read SEC document
March 16, 2017 Filed Mar 17, 2017 22:16 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 1,094 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000024 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,188

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.

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

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

Read SEC document
March 16, 2017 Filed Mar 17, 2017 22:16 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 1,193 $56.19 $67,034.67
Disclosure

SEC source: 0001280263-17-000024 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,069

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

Read SEC document
March 16, 2017 Filed Mar 17, 2017 22:16 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 2,057 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-17-000024 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,262

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.

F2 · balance_after: Includes 181 shares acquired under the Company's employee stock purchase plan on March 15, 2017.

Read SEC document
March 13, 2017 Filed Mar 14, 2017 23:22 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,071 $0.00 Strike: $9.99 $0.00
Disclosure

SEC source: 0001280263-17-000007 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 1,071 shares

Expires 2022-07-09

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_date: Shares subject to the option vest monthly over four years beginning on May 23, 2012.

Read SEC document
March 13, 2017 Filed Mar 14, 2017 23:22 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 1,071 $55.50 $59,440.50
Disclosure

SEC source: 0001280263-17-000007 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,024

Read SEC document
March 13, 2017 Filed Mar 14, 2017 23:22 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 1,071 $9.99 $10,699.29
Disclosure

SEC source: 0001280263-17-000007 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,095

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 16, 2016 Filed Dec 17, 2016 00:14 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 962 $0.00 $0.00
Disclosure

SEC source: 0001280263-16-000234 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,738

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 beginning on September 15, 2014.

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

Read SEC document
December 16, 2016 Filed Dec 17, 2016 00:14 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 1,093 $0.00 $0.00
Disclosure

SEC source: 0001280263-16-000234 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,282

Underlying: Ordinary Shares · 1,093 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.

F3 · derivative.exercise_date: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2013.

F3 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2013.

Read SEC document
December 16, 2016 Filed Dec 17, 2016 00:14 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 1,656 $54.21 $89,771.76
Disclosure

SEC source: 0001280263-16-000234 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,049

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

Read SEC document
December 16, 2016 Filed Dec 17, 2016 00:14 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 2,055 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-16-000234 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,705

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 29, 2016 Filed Oct 3, 2016 21:15 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,063 $0.00 Strike: $38.92 $0.00
Disclosure

SEC source: 0001280263-16-000220 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,300

Underlying: Ordinary Shares · 1,063 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.

F3 · derivative.exercise_date: Shares subject to the option vest monthly over four years beginning on September 8, 2014.

Read SEC document
September 29, 2016 Filed Oct 3, 2016 21:15 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,000 $0.00 Strike: $9.99 $0.00
Disclosure

SEC source: 0001280263-16-000220 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,071

Underlying: Ordinary Shares · 1,000 shares

Expires 2022-07-09

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.

F2 · derivative.exercise_date: Shares subject to the option vest monthly over four years beginning on May 23, 2012.

Read SEC document
September 29, 2016 Filed Oct 3, 2016 21:15 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 4,272 $69.32 $296,134.61
Disclosure

SEC source: 0001280263-16-000220 · edgardoc.xml · nonDerivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,650

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $69.2450 to $69.4000 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 29, 2016 Filed Oct 3, 2016 21:15 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 1,000 $9.99 $9,990.00
Disclosure

SEC source: 0001280263-16-000220 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,922

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
September 29, 2016 Filed Oct 3, 2016 21:15 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 1,063 $38.92 $41,371.96
Disclosure

SEC source: 0001280263-16-000220 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,922

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
September 28, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,000 $0.00 Strike: $38.92 $0.00
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · derivative · entry 8

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,363

Underlying: Ordinary Shares · 1,000 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.

F5 · derivative.exercise_date: Shares subject to the option vest monthly over four years beginning on September 8, 2014.

Read SEC document
September 28, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,000 $0.00 Strike: $9.99 $0.00
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · derivative · entry 7

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,071

Underlying: Ordinary Shares · 2,000 shares

Expires 2022-07-09

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.

F4 · derivative.exercise_date: Shares subject to the option vest monthly over four years beginning on May 23, 2012.

Read SEC document
September 28, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 3,543 $68.64 $243,195.42
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · nonDerivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,859

F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $68.50 to $69.00 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 28, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 1,000 $38.92 $38,920.00
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · nonDerivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,402

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
September 28, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 2,000 $9.99 $19,980.00
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · nonDerivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,402

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
September 27, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 926 $0.00 Strike: $8.82 $0.00
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · derivative · entry 6

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 926 shares

Expires 2021-08-29

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 beginning on August 1, 2011.

Read SEC document
September 27, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 2,595 $67.18 $174,327.95
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,402

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $67.00 to $67.50 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 27, 2016 Filed Sep 29, 2016 23:23 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 926 $8.82 $8,167.32
Disclosure

SEC source: 0001280263-16-000214 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,997

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
September 27, 2016 Filed Feb 17, 2017 22:35 UTC AMBARELLA INC AMBA · Entity 4248 GiftOrdinary Shares 25 $0.00 $0.00
Disclosure

SEC source: 0001280263-17-000002 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,024

Read SEC document
September 21, 2016 Filed Sep 23, 2016 21:01 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,000 $0.00 Strike: $9.99 $0.00
Disclosure

SEC source: 0001280263-16-000212 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,071

Underlying: Ordinary Shares · 2,000 shares

Expires 2022-07-09

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_date: Shares subject to the option vest monthly over four years beginning on May 23, 2012.

Read SEC document
September 21, 2016 Filed Sep 23, 2016 21:01 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 2,000 $67.00 $134,000.00
Disclosure

SEC source: 0001280263-16-000212 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,071

Read SEC document
September 21, 2016 Filed Sep 23, 2016 21:01 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 2,000 $9.99 $19,980.00
Disclosure

SEC source: 0001280263-16-000212 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,071

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
September 16, 2016 Filed Sep 20, 2016 21:04 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 963 $0.00 $0.00
Disclosure

SEC source: 0001280263-16-000206 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,700

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 beginning on September 15, 2014.

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

Read SEC document
September 16, 2016 Filed Sep 20, 2016 21:04 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 1,094 $0.00 $0.00
Disclosure

SEC source: 0001280263-16-000206 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,375

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 beginning on September 15, 2013.

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

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September 16, 2016 Filed Sep 20, 2016 21:04 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionRestricted Stock Units · Derivative 556 $0.00 $0.00
Disclosure

SEC source: 0001280263-16-000206 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 556 shares

Expires 2022-08-27

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 beginning on September 15, 2012.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2012.

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September 16, 2016 Filed Sep 20, 2016 21:04 UTC AMBARELLA INC AMBA · Entity 4248 SaleOrdinary Shares 1,405 $67.98 $95,511.90
Disclosure

SEC source: 0001280263-16-000206 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,071

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

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September 16, 2016 Filed Sep 20, 2016 21:04 UTC AMBARELLA INC AMBA · Entity 4248 Exercise / conversionOrdinary Shares 2,613 Not disclosed Not disclosed
Disclosure

SEC source: 0001280263-16-000206 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,476

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.

F2 · balance_after: Includes 331 shares acquired under the Company's employee stock purchase plan on September 15, 2016.

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