YALDAEI RAMIL

SEC source: 0001976282-26-000006 · edgardoc.xml · nonDerivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,593

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0001976282-26-000006 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,218

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0001976282-26-000004 · edgardoc.xml · nonDerivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,436

F2 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0001976282-26-000004 · edgardoc.xml · derivative · entry 4

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,548

Underlying: Common Stock · 1,548 shares

Expires 2029-03-02

F3 · derivative.exercise_price: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

F3 · derivative.exercise_date: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

SEC source: 0001976282-26-000004 · edgardoc.xml · derivative · entry 3

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,548

Underlying: Common Stock · 1,548 shares

Expires 2028-03-02

F3 · derivative.exercise_price: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

F3 · derivative.exercise_date: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

SEC source: 0001976282-26-000004 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,051

F1 · shares: The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one (1) share of ONTO Common Stock. The RSUs vest on an annual basis, in equal 1/3rd increments, over a three-year period from the award date.

SEC source: 0001976282-26-000002 · edgardoc.xml · derivative · entry 4

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 844 shares

Expires 2026-03-01

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: This transaction represents the settlement of performance stock units ("PSUs") granted on March 1, 2024 in shares of common stock of Onto Innovation Inc. on their scheduled vesting date of March 1, 2026 as a result of the satisfaction of the performance criteria at 77% of the target.

SEC source: 0001976282-26-000002 · edgardoc.xml · nonDerivative · entry 3

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,368

F2 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0001976282-26-000002 · edgardoc.xml · nonDerivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,644

F2 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0001976282-26-000002 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,991

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 · shares: This transaction represents the settlement of performance stock units ("PSUs") granted on March 1, 2024 in shares of common stock of Onto Innovation Inc. on their scheduled vesting date of March 1, 2026 as a result of the satisfaction of the performance criteria at 77% of the target.

SEC source: 0001976282-25-000004 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,342

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

F2 · balance_after: Includes 145 shares purchased on June 30, 2025 pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0002022859-25-000050 · edgardoc.xml · nonDerivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,791

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0002022859-25-000050 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,400

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0002022859-25-000044 · edgardoc.xml · derivative · entry 3

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,884

Underlying: Common Stock · 1,884 shares

Expires 2028-03-03

F2 · derivative.exercise_price: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

F2 · derivative.exercise_date: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

SEC source: 0002022859-25-000044 · edgardoc.xml · derivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,884

Underlying: Common Stock · 1,884 shares

Expires 2027-03-03

F2 · derivative.exercise_price: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

F2 · derivative.exercise_date: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

SEC source: 0002022859-25-000044 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,617

F1 · shares: The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one (1) share of ONTO Common Stock. The RSUs vest on an annual basis, in equal 1/3rd increments, over a three-year period from the award date.

SEC source: 0002022859-25-000034 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,848

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

F2 · balance_after: Includes 5 shares purchased on December31, 2024 pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0002022859-24-000036 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,148

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

F2 · balance_after: Includes 164 shares purchased on June 30, 2024 pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0002022859-24-000004 · edgardoc.xml · nonDerivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,576

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0002022859-24-000004 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,121

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.

SEC source: 0001257815-24-000034 · edgardoc.xml · derivative · entry 3

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 844

Underlying: Common Stock · 844 shares

Expires 2027-03-01

F3 · derivative.exercise_price: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

F3 · derivative.exercise_date: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

SEC source: 0001257815-24-000034 · edgardoc.xml · derivative · entry 2

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 844

Underlying: Common Stock · 844 shares

Expires 2026-03-01

F3 · derivative.exercise_price: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

F3 · derivative.exercise_date: The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date.

SEC source: 0001257815-24-000034 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,315

F1 · shares: The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one (1) share of ONTO Common Stock. The RSUs vest on an annual basis, in equal 1/3rd increments, over a three-year period from the award date.

F2 · balance_after: Includes shares purchased pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0001257815-23-000096 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,547

F1 · shares: Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock units grants previously received by the Reporting Person.

F2 · balance_after: Includes shares purchased pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0001257815-23-000058 · edgardoc.xml · nonDerivative · entry 1

YALDAEI RAMIL · CIK 0001976282 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,738

F1 · security: The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one (1) share of ONTO Common Stock. The RSUs vest on an annual basis, in equal 1/3rd increments, over a three-year period from the award date.