AMBA

SEC source: 0001280263-25-000001 · edgardoc.xml · nonDerivative · entry 2

Lee Chan W · CIK 0001882825 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,918

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 2, 2024.

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: 0001280263-25-000001 · edgardoc.xml · nonDerivative · entry 1

Lee Chan W · CIK 0001882825 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,918

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 2, 2024.

SEC source: 0001280263-24-000067 · edgardoc.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,781

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2024.

SEC source: 0001280263-24-000066 · edgardoc.xml · nonDerivative · entry 1

Schwarting Elizabeth M · CIK 0001814048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,902

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: 0001280263-24-000064 · edgardoc.xml · nonDerivative · entry 1

Young John Alexander · CIK 0002009866 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,393

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

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: 0001280263-24-000062 · edgardoc.xml · nonDerivative · entry 1

Lee Chan W · CIK 0001882825 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,918

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

SEC source: 0001280263-24-000061 · edgardoc.xml · nonDerivative · entry 1

Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 959,676

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

SEC source: 0001280263-24-000060 · edgardoc.xml · nonDerivative · entry 1

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,638

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

SEC source: 0001280263-24-000059 · edgardoc.xml · nonDerivative · entry 1

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 755,231

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

SEC source: 0001280263-24-000058 · edgardoc.xml · nonDerivative · entry 1

Hon Hsiao-Wuen · CIK 0001715983 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,278

SEC source: 0001280263-24-000057 · edgardoc.xml · nonDerivative · entry 3

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,686

SEC source: 0001280263-24-000057 · edgardoc.xml · nonDerivative · entry 2

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,686

SEC source: 0001280263-24-000057 · edgardoc.xml · nonDerivative · entry 1

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,804

SEC source: 0001280263-24-000056 · edgardoc.xml · nonDerivative · entry 2

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Indirect · by Foundation

Disclosed balance after: 8,000

F1 · kind: The shares were donated to the Huey Lin and Chihong John Ju Foundation, a charitable foundation over which the Reporting Person is deemed to have voting and investment power. However, the Reporting Person has no personal pecuniary interest in these shares.

SEC source: 0001280263-24-000056 · edgardoc.xml · nonDerivative · entry 1

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,397

F1 · kind: The shares were donated to the Huey Lin and Chihong John Ju Foundation, a charitable foundation over which the Reporting Person is deemed to have voting and investment power. However, the Reporting Person has no personal pecuniary interest in these shares.

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: 0001280263-24-000054 · edgardoc.xml · nonDerivative · entry 1

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 759,527

F1 · kind: The shares were donated to a charitable donor advised fund (DAF).

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: 0001280263-24-000052 · edgardoc.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,281

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2024.

SEC source: 0001280263-24-000051 · edgardoc.xml · nonDerivative · entry 1

Schwarting Elizabeth M · CIK 0001814048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,155

SEC source: 0001280263-24-000050 · edgardoc.xml · nonDerivative · entry 1

Young John Alexander · CIK 0002009866 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,529

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: 0001280263-24-000049 · 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: 0001280263-24-000048 · edgardoc.xml · nonDerivative · entry 1

Lee Chan W · CIK 0001882825 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,406

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: 0001280263-24-000047 · edgardoc.xml · nonDerivative · entry 1

Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 961,433

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

SEC source: 0001280263-24-000046 · edgardoc.xml · nonDerivative · entry 1

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,397

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: 0001280263-24-000045 · edgardoc.xml · nonDerivative · entry 1

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 799,527

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: 0001280263-24-000044 · edgardoc.xml · nonDerivative · entry 1

Schwarting Elizabeth M · CIK 0001814048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,068

SEC source: 0001280263-24-000043 · edgardoc.xml · derivative · entry 6

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 31,618 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 commencing on September 8, 2014. The expiration date of the option is September 7, 2024.

SEC source: 0001280263-24-000043 · edgardoc.xml · nonDerivative · entry 4

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 803,574

F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $54.30 to $54.95 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: 0001280263-24-000043 · edgardoc.xml · nonDerivative · entry 3

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 835,192

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.

SEC source: 0001280263-24-000043 · edgardoc.xml · derivative · entry 5

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,618

Underlying: Ordinary Shares · 4,382 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 commencing on September 8, 2014. The expiration date of the option is September 7, 2024.

SEC source: 0001280263-24-000043 · edgardoc.xml · nonDerivative · entry 2

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 803,574

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $56.00 to $56.09 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: 0001280263-24-000043 · edgardoc.xml · nonDerivative · entry 1

Wang Feng-Ming · CIK 0001558686 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 807,956

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.

SEC source: 0001280263-24-000042 · edgardoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 5,963 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.

F2 · derivative.exercise_date: Shares subject to the option vest monthly over four years commencing on September 8, 2014.

SEC source: 0001280263-24-000042 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,026

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $57.55 to $57.70 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.

SEC source: 0001280263-24-000042 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,989

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.

SEC source: 0001280263-24-000040 · edgardoc.xml · nonDerivative · entry 1

Schwarting Elizabeth M · CIK 0001814048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,308

F1 · shares: Effective as of August 29, 2024, the Board of Directors approved an annual restricted stock unit grant of 3,374 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, 2024, so as to be 100% vested on September 15, 2025, subject to continued service with the Company.

SEC source: 0001280263-24-000039 · edgardoc.xml · nonDerivative · entry 1

Hon Hsiao-Wuen · CIK 0001715983 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,655

F1 · shares: Effective as of August 29, 2024, the Board of Directors approved an annual restricted stock unit grant of 3,374 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, 2024, so as to be 100% vested on September 15, 2025, subject to continued service with the Company.

SEC source: 0001280263-24-000036 · edgardoc.xml · nonDerivative · entry 1

Hu Chenming · CIK 0001316320 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,018

F1 · shares: Effective as of August 29, 2024, the Board of Directors approved an annual restricted stock unit grant of 3,374 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, 2024, so as to be 100% vested on September 15, 2025, subject to continued service with the Company.

SEC source: 0001280263-24-000041 · edgardoc.xml · nonDerivative · entry 1

De Greef-Safft Anne · CIK 0001630533 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,772

F1 · shares: Effective as of August 29, 2024, the Board of Directors approved an annual restricted stock unit grant of 3,374 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, 2024, so as to be 100% vested on September 15, 2025, subject to continued service with the Company.

SEC source: 0001280263-24-000038 · edgardoc.xml · nonDerivative · entry 1

RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,179

F1 · shares: Effective as of August 29, 2024, the Board of Directors approved an annual restricted stock unit grant of 3,374 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, 2024, so as to be 100% vested on September 15, 2025, subject to continued service with the Company.

SEC source: 0001280263-24-000037 · edgardoc.xml · nonDerivative · entry 1

PAISLEY CHRISTOPHER B · CIK 0001189229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,781

F1 · shares: Effective as of August 29, 2024, the Board of Directors approved an annual restricted stock unit grant of 3,374 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, 2024, so as to be 100% vested on September 15, 2025, subject to continued service with the Company.

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: 0001280263-24-000033 · edgardoc.xml · nonDerivative · entry 1

Ju Chi-Hong · CIK 0001882831 · Sr. Vice President, Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 173,193

F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $52.90 to $52.95 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: 0001280263-24-000034 · edgardoc.xml · nonDerivative · entry 2

RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Family Trust

Disclosed balance after: 21,633

F1 · kind: On June 26, 2024, the reporting person transferred 21,633 ordinary shares to a family trust of which the reporting person is a co-trustee (the "Family Trust"). The reporting person disclaims Section 16 beneficial ownership of such shares except to the extent, if any, of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001280263-24-000034 · edgardoc.xml · nonDerivative · entry 1

RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 805

F1 · kind: On June 26, 2024, the reporting person transferred 21,633 ordinary shares to a family trust of which the reporting person is a co-trustee (the "Family Trust"). The reporting person disclaims Section 16 beneficial ownership of such shares except to the extent, if any, of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.