AMBA · Ambarella Inc · Insider Trading

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on September 22, 2025.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2026.

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

Includes 238 shares acquired under the Company's employee stock purchase plan on September 15, 2026.

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

Includes 238 shares acquired under the Company's employee stock purchase plan on September 15, 2026.

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

Includes 238 shares acquired under the Company's employee stock purchase plan on September 15, 2026.

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

Includes 238 shares acquired under the Company's employee stock purchase plan on September 15, 2026.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

Effective as of September 8, 2026, the Board of Directors approved an annual restricted stock unit grant of 3,151 Ordinary Shares to each independent director. The RSU grant vests as to 1/4th of the Ordinary Shares each three months following the vesting start date of September 15, 2026, so as to be 100% vested on September 15, 2027, subject to continued service with the Company.

The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $88.79 to $88.97 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025.

The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $90.00 to $90.50 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on September 22, 2025.

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

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

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

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2026.

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

The shares were donated to a charitable donor advised fund (DAF).

The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $67.06 to $67.07 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025.

The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $92.00 to $92.50 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.

25% of the Shares subject to the option vest on March 27, 2018 and 1/48 of the shares vest monthly thereafter.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2026.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025.

The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $91.00 to $91.98 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025.

The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $90.00 to $$90.98 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.

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2026.

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

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

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

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

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 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

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 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

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 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

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 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

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 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.

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

Includes 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026.

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

On April 3, 2023, 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, 2026. In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the "TSR Period"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number.

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

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

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

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

On April 3, 2023, 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, 2026. In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the "TSR Period"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number.

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

On April 3, 2023, 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, 2026. In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the "TSR Period"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number.

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

Includes 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026.

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

On April 3, 2023, 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, 2026. In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the "TSR Period"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number.

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

Includes 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026.