Day Christopher

SEC source: 0001280263-25-000029 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,099

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

SEC source: 0001280263-25-000022 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,441

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

F2 · balance_after: Includes 234 shares acquired under the Company's employee stock purchase plan on March 17, 2025.

SEC source: 0001280263-25-000015 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,686

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

SEC source: 0001280263-25-000015 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,520

F1 · shares: Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2025 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

SEC source: 0001280263-25-000002 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,530

SEC source: 0001280263-24-000065 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,777

SEC source: 0001280263-24-000065 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,625

SEC source: 0001280263-24-000063 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,706

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

SEC source: 0001280263-24-000055 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,188

SEC source: 0001280263-24-000053 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,466

SEC source: 0001280263-24-000049 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,370

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

F2 · balance_after: Includes 254 shares acquired under the Company's employee stock purchase plan on September 16, 2024.

SEC source: 0001280263-24-000035 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,599

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $61.55 to $61.67 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.

SEC source: 0001280263-24-000030 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,007

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

SEC source: 0001280263-24-000021 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,494

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

F2 · balance_after: Includes 218 shares acquired under the Company's employee stock purchase plan on March 15, 2024.

SEC source: 0001280263-24-000015 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,692

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

SEC source: 0001280263-24-000015 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,994

F1 · shares: Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2024 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

SEC source: 0001280263-24-000008 · edgardoc.xml · derivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,284

Underlying: Ordinary Shares · 7,284 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.

F3 · derivative.exercise_date: Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2027, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2024 through January 31, 2027.

F3 · derivative.expiration_date: Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2027, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2024 through January 31, 2027.

SEC source: 0001280263-24-000008 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,268

F1 · shares: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2024.

SEC source: 0001280263-23-000070 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,984

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

SEC source: 0001280263-23-000062 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,344

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

F2 · balance_after: Includes 163 shares acquired under the Company's employee stock purchase plan on September 15, 2023.

SEC source: 0001280263-23-000050 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,532

SEC source: 0001280263-23-000047 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,817

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

SEC source: 0001280263-23-000047 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,171

F1 · balance_after: The number of shares represented in column 4 was previously reported in Table II as restricted stock units. A portion of the shares reported in column 4 remain subject to quarterly time-based vesting requirements.

SEC source: 0001280263-23-000035 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,831

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $86.94 to $86.98 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.

SEC source: 0001280263-23-000034 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,831

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $82.96 to $83.26 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.

SEC source: 0001280263-23-000031 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,117

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $69.21 to $69.33 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.

SEC source: 0001280263-23-000029 · edgardoc.xml · derivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,377

Underlying: Ordinary Shares · 4,377 shares

Expires 2026-03-15

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: Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2026, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2023 through January 31, 2026.

F2 · derivative.expiration_date: Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2026, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2023 through January 31, 2026.

SEC source: 0001280263-23-000022 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,792

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

SEC source: 0001280263-23-000022 · edgardoc.xml · derivative · entry 6

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,862

Underlying: Ordinary Shares · 357 shares

Expires 2025-03-15

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.

F7 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022.

F7 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022.

SEC source: 0001280263-23-000022 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,101

Underlying: Ordinary Shares · 275 shares

Expires 2024-03-15

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.

F6 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021.

F6 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021.

SEC source: 0001280263-23-000022 · 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 · 672 shares

Expires 2023-03-15

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.

F5 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020.

F5 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020.

SEC source: 0001280263-23-000022 · 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 · 8,055 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.

F4 · derivative.exercise_date: On March 25, 2020, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2023, subject to continued service requirements through such date. In addition, the number of shares subject to the award could be increased or decreased by up to 100% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return over the period of February 1, 2020 through January 31, 2023 (the "TSR Period"). As a result of the Company's TSR performance over the TSR Period, the number of shares eligible to vest was 69.78% of the Target RSU Number.

F4 · derivative.expiration_date: On March 25, 2020, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2023, subject to continued service requirements through such date. In addition, the number of shares subject to the award could be increased or decreased by up to 100% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return over the period of February 1, 2020 through January 31, 2023 (the "TSR Period"). As a result of the Company's TSR performance over the TSR Period, the number of shares eligible to vest was 69.78% of the Target RSU Number.

SEC source: 0001280263-23-000022 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,212

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 191 shares acquired under the Company's employee stock purchase plan on March 15, 2023.

SEC source: 0001280263-23-000009 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,096

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

SEC source: 0001280263-23-000009 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,454

F1 · kind: Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2023 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

SEC source: 0001280263-23-000006 · edgardoc.xml · derivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,377

Underlying: Ordinary Shares · 4,377 shares

Expires not disclosed

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 vest at the rate of 1/12 per quarter commencing on March 15, 2023.

F2 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2023.

SEC source: 0001280263-22-000102 · edgardoc.xml · nonDerivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,587

SEC source: 0001280263-22-000102 · edgardoc.xml · nonDerivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,825

SEC source: 0001280263-22-000102 · edgardoc.xml · derivative · entry 7

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,219

Underlying: Ordinary Shares · 358 shares

Expires 2025-03-15

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.

F5 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022.

F5 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022.

SEC source: 0001280263-22-000102 · edgardoc.xml · derivative · entry 6

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,376

Underlying: Ordinary Shares · 275 shares

Expires 2024-03-15

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.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021.

SEC source: 0001280263-22-000102 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 672

Underlying: Ordinary Shares · 671 shares

Expires 2023-03-15

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 restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020.

F3 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020.

SEC source: 0001280263-22-000102 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,039

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

SEC source: 0001280263-22-000102 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,702

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.

SEC source: 0001280263-22-000091 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,398

SEC source: 0001280263-22-000091 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,398

SEC source: 0001280263-22-000081 · edgardoc.xml · derivative · entry 5

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,577

Underlying: Ordinary Shares · 358 shares

Expires 2025-03-15

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.

F6 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022.

F6 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022.

SEC source: 0001280263-22-000081 · edgardoc.xml · derivative · entry 4

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,651

Underlying: Ordinary Shares · 276 shares

Expires 2024-03-15

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.

F5 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021.

F5 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021.

SEC source: 0001280263-22-000081 · edgardoc.xml · derivative · entry 3

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,343

Underlying: Ordinary Shares · 671 shares

Expires 2023-03-15

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.

F4 · derivative.exercise_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020.

F4 · derivative.expiration_date: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020.

SEC source: 0001280263-22-000081 · edgardoc.xml · nonDerivative · entry 2

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,731

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

SEC source: 0001280263-22-000081 · edgardoc.xml · nonDerivative · entry 1

Day Christopher · CIK 0001558685 · VP, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,401

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 142 shares acquired under the Company's employee stock purchase plan on September 15, 2022.