ON · On Semiconductor Corp

Represents fully-vested shares of common stock issued to the Reporting Person in lieu of a portion of his quarterly cash retainers for the second quarter of 2026 based on his previously-submitted election.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Includes an additional 115 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.

Represents restricted stock units granted under the Issuer's Amended and Restated Stock Incentive Plan on May 14, 2026. The award will vest on the day prior to the Issuer's next Annual Meeting of Stockholders; however, issuance of the shares underlying the award will be deferred to a later date in accordance with the Reporting Person's election.

Represents restricted stock units granted under the Issuer's Amended and Restated Stock Incentive Plan on May 14, 2026. The award will vest on the day prior to the Issuer's next Annual Meeting of Stockholders; however, issuance of the shares underlying the award will be deferred to a later date in accordance with the Reporting Person's election.

Represents restricted stock granted under the Issuer's Amended and Restated Stock Incentive Plan on May 14, 2026. The stock will vest on the day prior to the Issuer's next Annual Meeting of Stockholders.

Represents restricted stock granted under the Issuer's Amended and Restated Stock Incentive Plan on May 14, 2026. The stock will vest on the day prior to the Issuer's next Annual Meeting of Stockholders.

Represents restricted stock granted under the Issuer's Amended and Restated Stock Incentive Plan on May 14, 2026. The stock will vest on the day prior to the Issuer's next Annual Meeting of Stockholders.

Represents restricted stock granted under the Issuer's Amended and Restated Stock Incentive Plan on May 14, 2026. The stock will vest on the day prior to the Issuer's next Annual Meeting of Stockholders.

Includes an additional 115 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.

Represents fully-vested shares of common stock issued to the Reporting Person in lieu of a portion of his quarterly cash retainers for the first quarter of 2026 based on his previously-submitted election.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents time-based restricted stock units that will vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued employment through the applicable vesting date.

Represents time-based restricted stock units that will vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued employment through the applicable vesting date.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of restricted stock units.

Represents time-based restricted stock units that will vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued employment through the applicable vesting date.

Represents time-based restricted stock units that will vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued employment through the applicable vesting date.

This disposition transaction was executed in multiple trades at prices ranging from $73.27 to $73.61. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

This disposition transaction was executed in multiple trades at prices ranging from $70.24 to $71.23. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

This disposition transaction was executed in multiple trades at prices ranging from $72.53 to $73.52. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

This disposition transaction was executed in multiple trades at prices ranging from $72.27 to $73.23. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

This disposition transaction was executed in multiple trades at prices ranging from $71.25 to $72.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Includes an additional 129 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Includes an additional 402 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Includes an additional 246 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.

Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.

Includes an additional 129 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2025, that were earned based on the Issuer's performance as measured against the underlying metrics. These units will vest in three annual installments beginning on February 10, 2026, subject to the Reporting Person's continued employment through the applicable vesting date.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 20, 2023, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2024, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2024, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2025, that were earned based on the Issuer's performance as measured against the underlying metrics. These units will vest in three annual installments beginning on February 10, 2026, subject to the Reporting Person's continued employment through the applicable vesting date.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 21, 2023, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 20, 2023, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on May 26, 2023, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.

Represents the subset of an award of performance-based restricted stock units, originally granted to the Reporting Person on February 20, 2023, that (a) were earned based on the Issuer's performance as measured against the underlying metrics and (b) will vest on February 6, 2026.