Sudhir Gopalswamy - 05 Feb 2026 Form 4 Insider Report for ON SEMICONDUCTOR CORP (ON)

Signature
/s/ Hope M. Spencer, Attorney-in-Fact
Issuer symbol
ON
Transactions as of
05 Feb 2026
Net transactions value
-$393,873
Form type
4
Filing time
09 Feb 2026, 18:10:13 UTC
Previous filing
27 May 2025
Next filing
12 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GOPALSWAMY SUDHIR Group President, AMG & ISG 5701 NORTH PIMA ROAD, SCOTTSDALE /s/ Hope M. Spencer, Attorney-in-Fact 09 Feb 2026 0001722291

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ON Common Award $0 +23,287 +16% $0.000000 167,272 05 Feb 2026 Direct F1
transaction ON Common Award $0 +2,581 +1.5% $0.000000 169,853 05 Feb 2026 Direct F2
transaction ON Common Award $0 +1,239 +0.73% $0.000000 171,092 05 Feb 2026 Direct F3
transaction ON Common Award $0 +401 +0.23% $0.000000 171,493 05 Feb 2026 Direct F4
transaction ON Common Tax liability $393,873 -6,041 -3.5% $65.20 165,452 06 Feb 2026 Direct F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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, 2025.
F3 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.
F4 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.
F5 Represents shares withheld to cover taxes due upon the vesting of performance-based restricted stock units.
F6 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.

Remarks:

Hope M. Spencer is signing on behalf of the Reporting Person pursuant to a Power of Attorney attached hereto as Exhibit 24.