Last 12 months
Inside the activity.
0 purchase rows · 44 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 9 |
| Jan 2026 | 0 | 1 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 13 |
| Apr 2026 | 0 | 1 |
| May 2026 | 0 | 4 |
| Jun 2026 | 0 | 7 |
| Jul 2026 | 0 | 3 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 6 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| March 17, 2026 Filed Mar 19, 2026 22:39 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
Exercise / conversionOrdinary Shares | 9,553 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001280263-26-000028 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 168,895 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 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 22:39 UTC |
Wang Feng-MingDirector · CEO
|
Exercise / conversionPerformance Stock Units · Derivative | 27,598 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000027 · edgardoc.xml · derivative · entry 5 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Ordinary Shares · 27,598 shares Expires 2026-03-15 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: 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. F5 · derivative.expiration_date: 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. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 22:39 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 18,976 | $52.77 | $1,001,363.52 |
DisclosureSEC source: 0001280263-26-000027 · edgardoc.xml · nonDerivative · entry 2 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 830,958 F3 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 22:39 UTC |
Wang Feng-MingDirector · CEO
|
Exercise / conversionOrdinary Shares | 27,598 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001280263-26-000027 · edgardoc.xml · nonDerivative · entry 1 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 849,934 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 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:39 UTC | GrantPerformance Stock Units · Derivative | 15,201 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000026 · edgardoc.xml · derivative · entry 2 Young John Alexander · CIK 0002009866 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,201 Underlying: Ordinary Shares · 15,201 shares Expires 2029-03-15 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, 2029, 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, 2026 through January 31, 2029. 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, 2029, 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, 2026 through January 31, 2029. Read SEC document |
|
| March 02, 2026 Filed Mar 4, 2026 22:39 UTC | GrantOrdinary Shares | 15,201 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000026 · edgardoc.xml · nonDerivative · entry 1 Young John Alexander · CIK 0002009866 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 117,939 F1 · shares: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026. Read SEC document |
|
| March 02, 2026 Filed Mar 4, 2026 22:39 UTC |
Chen Yun-LungVP, Business Development and M
|
GrantPerformance Stock Units · Derivative | 7,220 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000025 · edgardoc.xml · derivative · entry 2 Chen Yun-Lung · CIK 0001602676 · VP, Business Development and M 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,220 Underlying: Ordinary Shares · 7,220 shares Expires 2029-03-15 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, 2029, 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, 2026 through January 31, 2029. 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, 2029, 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, 2026 through January 31, 2029. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:39 UTC |
Chen Yun-LungVP, Business Development and M
|
GrantOrdinary Shares | 7,220 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000025 · edgardoc.xml · nonDerivative · entry 1 Chen Yun-Lung · CIK 0001602676 · VP, Business Development and M 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 68,871 F1 · shares: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:39 UTC |
Lee Chan WChief Operations Officer
|
GrantPerformance Stock Units · Derivative | 24,701 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000024 · edgardoc.xml · derivative · entry 2 Lee Chan W · CIK 0001882825 · Chief Operations Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,701 Underlying: Ordinary Shares · 24,701 shares Expires 2029-03-15 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, 2029, 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, 2026 through January 31, 2029. 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, 2029, 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, 2026 through January 31, 2029. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:39 UTC |
Lee Chan WChief Operations Officer
|
GrantOrdinary Shares | 24,701 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000024 · edgardoc.xml · nonDerivative · entry 1 Lee Chan W · CIK 0001882825 · Chief Operations Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 149,267 F1 · shares: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:38 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
GrantPerformance Stock Units · Derivative | 17,329 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000023 · edgardoc.xml · derivative · entry 3 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 17,329 Underlying: Ordinary Shares · 17,329 shares Expires 2029-03-15 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, 2029, 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, 2026 through January 31, 2029. 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, 2029, 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, 2026 through January 31, 2029. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:38 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
GrantOrdinary Shares | 17,329 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000023 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 159,188 F1 · shares: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
GrantPerformance Stock Units · Derivative | 53,203 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · derivative · entry 9 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 53,203 Underlying: Ordinary Shares · 53,203 shares Expires 2029-03-15 F9 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares. F10 · 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, 2029, 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, 2026 through January 31, 2029. F10 · 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, 2029, 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, 2026 through January 31, 2029. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative | 50,000 | $0.00 Strike: $41.36 | $0.00 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · derivative · entry 8 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 0 Underlying: Ordinary Shares · 50,000 shares Expires 2026-03-06 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F8 · derivative.exercise_date: The shares vest at the rate of 1/42 per month commencing on March 15, 2016. F8 · derivative.expiration_date: The shares vest at the rate of 1/42 per month commencing on March 15, 2016. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
GrantOrdinary Shares | 53,203 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 7 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 822,182 F7 · shares: The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 12,040 | $61.42 | $739,540.14 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 6 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 768,979 F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025. F6 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $61.22 to $$62.2199 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 32,460 | $60.91 | $1,977,226.24 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 5 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 781,019 F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025. F5 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $60.21 to $$61.2099 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 |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 2,600 | $59.53 | $154,769.94 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 4 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 813,479 F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025. F4 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $59.16 to $$60.1599 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4. Read SEC document |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 1,900 | $58.77 | $111,663.00 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 3 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 816,079 F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025. F3 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $58.16 to $$59.1599 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 |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 1,000 | $56.83 | $56,832.00 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 2 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 817,979 F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on October 8, 2025. F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $56.79 to $$57.7899 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 |
| March 02, 2026 Filed Mar 4, 2026 22:36 UTC |
Wang Feng-MingDirector · CEO
|
Exercise / conversionOrdinary Shares | 50,000 | $41.36 | $2,068,000.00 |
DisclosureSEC source: 0001280263-26-000022 · edgardoc.xml · nonDerivative · entry 1 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 818,979 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 |
| March 02, 2026 Filed Mar 4, 2026 22:35 UTC |
Bryant Gregory MDirector
|
GrantOrdinary Shares | 2,457 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-26-000021 · edgardoc.xml · nonDerivative · entry 1 Bryant Gregory M · CIK 0001788745 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,457 F1 · kind: Shares are subject to an award of restricted stock units that will vest as to 1/3rd of the restricted stock units on each of March 15, 2026, June 15, 2026 and September 15, 2026, so as to be 100% vested on September 15, 2026. Read SEC document |
| January 05, 2026 Filed Jan 7, 2026 22:02 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
SaleOrdinary Shares | 7,728 | $75.58 | $584,105.42 |
DisclosureSEC source: 0001280263-26-000002 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 146,039 F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $75.29 to $76.02 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 |
| December 30, 2025 Filed Dec 31, 2025 22:21 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
SaleOrdinary Shares | 3,765 | $70.32 | $264,754.80 |
DisclosureSEC source: 0001280263-25-000074 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 153,767 F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $70.24 to $70.43 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 |
| December 30, 2025 Filed Jan 23, 2026 23:05 UTC Amendment |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
SaleOrdinary Shares | 7,945 | $70.25 | $558,136.25 |
DisclosureSEC source: 0001280263-26-000004 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 149,587 F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $70.19 to $70.43 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 |
| December 26, 2025 Filed Dec 29, 2025 21:47 UTC |
PAISLEY CHRISTOPHER BDirector
|
SaleOrdinary Shares | 500 | $72.18 | $36,090.00 |
DisclosureSEC source: 0001280263-25-000072 · edgardoc.xml · nonDerivative · entry 1 PAISLEY CHRISTOPHER B · CIK 0001189229 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 41,279 Read SEC document |
| December 19, 2025 Filed Dec 19, 2025 21:46 UTC |
Wang Feng-MingDirector · CEO
|
GiftOrdinary Shares | 15,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000067 · edgardoc.xml · nonDerivative · entry 2 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 768,979 F2 · kind: The shares were donated to a charitable donor advised fund (DAF). Read SEC document |
| December 18, 2025 Filed Dec 19, 2025 21:47 UTC | SaleOrdinary Shares | 3,791 | $72.96 | $276,591.36 |
DisclosureSEC source: 0001280263-25-000070 · edgardoc.xml · nonDerivative · entry 2 Young John Alexander · CIK 0002009866 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 102,738 Read SEC document |
|
| December 17, 2025 Filed Dec 19, 2025 21:47 UTC | SaleOrdinary Shares | 2,579 | $71.82 | $185,223.78 |
DisclosureSEC source: 0001280263-25-000070 · edgardoc.xml · nonDerivative · entry 1 Young John Alexander · CIK 0002009866 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 106,529 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. Read SEC document |
|
| December 17, 2025 Filed Dec 19, 2025 21:47 UTC |
Lee Chan WChief Operations Officer
|
SaleOrdinary Shares | 2,406 | $71.82 | $172,798.92 |
DisclosureSEC source: 0001280263-25-000069 · edgardoc.xml · nonDerivative · entry 1 Lee Chan W · CIK 0001882825 · Chief Operations Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 124,566 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. Read SEC document |
| December 17, 2025 Filed Dec 19, 2025 21:46 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
SaleOrdinary Shares | 1,342 | $71.82 | $96,382.44 |
DisclosureSEC source: 0001280263-25-000068 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 157,532 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. Read SEC document |
| December 17, 2025 Filed Dec 19, 2025 21:46 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 4,950 | $71.82 | $355,509.00 |
DisclosureSEC source: 0001280263-25-000067 · edgardoc.xml · nonDerivative · entry 1 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 783,979 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. Read SEC document |
| December 16, 2025 Filed Dec 18, 2025 21:53 UTC |
Schwarting Elizabeth MDirector
|
SaleOrdinary Shares | 624 | $72.38 | $45,163.31 |
DisclosureSEC source: 0001280263-25-000066 · edgardoc.xml · nonDerivative · entry 1 Schwarting Elizabeth M · CIK 0001814048 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,690 Read SEC document |
| December 15, 2025 Filed Dec 17, 2025 21:48 UTC |
RICHARDSON DAVID JEFFREYDirector
|
GiftOrdinary Shares | 2,531 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000064 · 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: 25,812 F1 · kind: Represents ordinary shares transferred 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. Read SEC document |
| December 15, 2025 Filed Dec 17, 2025 21:48 UTC |
RICHARDSON DAVID JEFFREYDirector
|
GiftOrdinary Shares | 2,531 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000064 · edgardoc.xml · nonDerivative · entry 1 RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,498 F1 · kind: Represents ordinary shares transferred 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. Read SEC document |
| October 14, 2025 Filed Oct 15, 2025 21:00 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
SaleOrdinary Shares | 6,156 | $80.96 | $498,389.76 |
DisclosureSEC source: 0001280263-25-000062 · edgardoc.xml · nonDerivative · entry 2 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 158,874 Read SEC document |
| October 13, 2025 Filed Oct 15, 2025 21:00 UTC |
Ju Chi-HongSenior VP, Systems & GM, Asia
|
SaleOrdinary Shares | 5,057 | $81.29 | $411,093.14 |
DisclosureSEC source: 0001280263-25-000062 · edgardoc.xml · nonDerivative · entry 1 Ju Chi-Hong · CIK 0001882831 · Senior VP, Systems & GM, Asia 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 165,030 Read SEC document |
| October 06, 2025 Filed Oct 8, 2025 19:31 UTC |
Schwarting Elizabeth MDirector
|
SaleOrdinary Shares | 2,664 | $85.38 | $227,444.86 |
DisclosureSEC source: 0001280263-25-000061 · edgardoc.xml · nonDerivative · entry 1 Schwarting Elizabeth M · CIK 0001814048 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,314 F1 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $85.25 to $85.38 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 17, 2025 Filed Sep 19, 2025 21:05 UTC | SaleOrdinary Shares | 2,566 | $79.43 | $203,817.38 |
DisclosureSEC source: 0001280263-25-000059 · edgardoc.xml · nonDerivative · entry 1 Young John Alexander · CIK 0002009866 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 109,108 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. F2 · balance_after: Includes 223 shares acquired under the Company's employee stock purchase plan on September 15, 2025. Read SEC document |
|
| September 17, 2025 Filed Sep 19, 2025 21:04 UTC |
Lee Chan WChief Operating Officer
|
SaleOrdinary Shares | 1,947 | $79.43 | $154,650.21 |
DisclosureSEC source: 0001280263-25-000058 · edgardoc.xml · nonDerivative · entry 1 Lee Chan W · CIK 0001882825 · Chief Operating Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 126,972 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. F2 · balance_after: Includes 223 shares acquired under the Company's employee stock purchase plan on September 15, 2025. Read SEC document |
| September 17, 2025 Filed Sep 19, 2025 21:04 UTC |
Kohn LeslieDirector · Chief Technology Officer
|
SaleOrdinary Shares | 2,249 | $79.43 | $178,638.07 |
DisclosureSEC source: 0001280263-25-000057 · edgardoc.xml · nonDerivative · entry 1 Kohn Leslie · CIK 0001558645 · Director · Chief Technology Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 977,428 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. Read SEC document |
| September 17, 2025 Filed Sep 19, 2025 21:00 UTC |
Wang Feng-MingDirector · CEO
|
SaleOrdinary Shares | 4,928 | $79.43 | $391,431.04 |
DisclosureSEC source: 0001280263-25-000055 · edgardoc.xml · nonDerivative · entry 1 Wang Feng-Ming · CIK 0001558686 · Director · CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 788,929 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. F2 · balance_after: Includes 223 shares acquired under the Company's employee stock purchase plan on September 15, 2025. Read SEC document |
| September 17, 2025 Filed Sep 19, 2025 21:03 UTC |
Ju Chi-HongSr. Vice President, Systems
|
SaleOrdinary Shares | 1,168 | $79.43 | $92,774.24 |
DisclosureSEC source: 0001280263-25-000056 · 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: 170,087 F1 · shares: Shares sold to pay tax obligations resulting from the vesting of restricted stock units. F2 · balance_after: Includes 223 shares acquired under the Company's employee stock purchase plan on September 15, 2025. Read SEC document |
| September 10, 2025 Filed Sep 12, 2025 20:55 UTC |
Chen Yun-LungVP, Business Development
|
SaleOrdinary Shares | 8,492 | $84.42 | $716,894.64 |
DisclosureSEC source: 0001280263-25-000049 · edgardoc.xml · nonDerivative · entry 1 Chen Yun-Lung · CIK 0001602676 · VP, Business Development 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 61,651 Read SEC document |
| September 02, 2025 Filed Sep 4, 2025 22:45 UTC |
Breithaupt Chantelle YvetteDirector
|
GrantOrdinary Shares | 2,498 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000045 · edgardoc.xml · nonDerivative · entry 1 Breithaupt Chantelle Yvette · CIK 0001850596 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,940 F1 · shares: Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 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, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company. Read SEC document |
| September 02, 2025 Filed Sep 4, 2025 22:45 UTC |
Schwarting Elizabeth MDirector
|
GrantOrdinary Shares | 2,498 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000044 · edgardoc.xml · nonDerivative · entry 1 Schwarting Elizabeth M · CIK 0001814048 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,978 F1 · shares: Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 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, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company. Read SEC document |
| September 02, 2025 Filed Sep 4, 2025 18:45 UTC |
Hon Hsiao-WuenDirector
|
GrantOrdinary Shares | 2,498 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000043 · edgardoc.xml · nonDerivative · entry 1 Hon Hsiao-Wuen · CIK 0001715983 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,776 F1 · shares: Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 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, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company. Read SEC document |
| September 02, 2025 Filed Sep 4, 2025 18:44 UTC |
Hu ChenmingDirector
|
GrantOrdinary Shares | 2,498 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000040 · edgardoc.xml · nonDerivative · entry 1 Hu Chenming · CIK 0001316320 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 29,516 F1 · shares: Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 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, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company. Read SEC document |
| September 02, 2025 Filed Sep 4, 2025 22:44 UTC |
RICHARDSON DAVID JEFFREYDirector
|
GrantOrdinary Shares | 2,498 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000042 · edgardoc.xml · nonDerivative · entry 1 RICHARDSON DAVID JEFFREY · CIK 0001329724 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,029 F1 · shares: Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 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, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company. Read SEC document |
| September 02, 2025 Filed Sep 4, 2025 22:44 UTC |
PAISLEY CHRISTOPHER BDirector
|
GrantOrdinary Shares | 2,498 | $0.00 | $0.00 |
DisclosureSEC source: 0001280263-25-000041 · edgardoc.xml · nonDerivative · entry 1 PAISLEY CHRISTOPHER B · CIK 0001189229 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 41,779 F1 · shares: Effective as of September 2, 2025, the Board of Directors approved an annual restricted stock unit grant of 2,498 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, 2025, so as to be 100% vested on September 15, 2026, subject to continued service with the Company. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.