Pedro Riveros - 19 Feb 2026 Form 4 Insider Report for Orion S.A. (OEC)

Signature
/s/ Pedro Riveros
Issuer symbol
OEC
Transactions as of
19 Feb 2026
Net transactions value
-$35,758
Form type
4
Filing time
23 Feb 2026, 21:02:56 UTC
Previous filing
07 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Riveros Pedro Sr. VP Global Rubber C/O ORION ENGINEERED CARBONS LLC, 1700 CITY PLAZA DRIVE, SUITE 300, SPRING /s/ Pedro Riveros 23 Feb 2026 0001797814

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OEC Common Shares, no par value Tax liability $17,061 -2,721 -5.2% $6.27 49,984 19 Feb 2026 Direct F1
transaction OEC Common Shares, no par value Award $0 +6,988 +14% $0.000000 56,972 19 Feb 2026 Direct F2
transaction OEC Common Shares, no par value Tax liability $18,697 -2,982 -5.2% $6.27 53,990 19 Feb 2026 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of restricted stock units.
F2 Represents the vesting and settlement of performance-based restricted stock units in shares of common stock following the satisfaction of certain performance criteria.
F3 Shares withheld by the Issuer to satisfy tax withholding requirements on vesting of performance-based restricted stock units.