Mari Doerfler - 04 Feb 2026 Form 4 Insider Report for Owens Corning (OC)

Role
Vice President and Controller
Signature
/s/ Katherine M. Serevitch, Attorney-in-Fact
Issuer symbol
OC
Transactions as of
04 Feb 2026
Net transactions value
+$176,221
Form type
4
Filing time
06 Feb 2026, 16:36:13 UTC
Previous filing
04 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Doerfler Mari Vice President and Controller ONE OWENS CORNING PARKWAY, TOLEDO /s/ Katherine M. Serevitch, Attorney-in-Fact 06 Feb 2026 0001957375

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OC $.01 Par Value Common Award $195,659 +1,473 +30% $132.83 6,333 04 Feb 2026 Direct F1
transaction OC $.01 Par Value Common Tax liability $19,438 -147 -2.3% $132.23 6,186 05 Feb 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units granted under the Owens Corning 2023 Stock Plan.
F2 Shares withheld upon vesting of restricted stock units to satisfy tax withholding obligations.