Moriarty Sean Thomas 4
4 · STEPAN CO · Filed Mar 5, 2026
Insider Transaction Report
Form 4
STEPAN COSCL
Moriarty Sean Thomas
VP & GM Surfactants
Transactions
- Tax Payment
Common Stock
[F1]2026-03-04$49.62/sh−166$8,236→ 15,710.234 total - Exercise/Conversion
Common Stock
[F2]2026-03-04$49.62/sh+571$28,330→ 15,876.234 total - Tax Payment
Common Stock
[F1]2026-03-03$48.98/sh−570$27,921→ 15,305.234 total - Exercise/Conversion
Common Stock
[F2]2026-03-03$48.98/sh+1,670$81,805→ 15,875.234 total - Exercise/Conversion
Restricted Stock Units
[F3][F2][F4]2026-03-04−571→ 572 totalFrom: 2025-03-04Exp: 2027-03-04→ Restricted Stock Units (571 underlying) - Exercise/Conversion
Restricted Stock Units
[F5][F2][F6]2026-03-03−1,670→ 3,342 totalFrom: 2026-03-03Exp: 2028-03-03→ Restricted Stock Units (1,670 underlying)
Holdings
- 4,478.351(indirect: By Trust)
Common Stock
Footnotes (6)
- [F1]Withholding of shares to satisfy tax liability on the vesting of RSUs.
- [F2]The restricted stock units ("RSUs") were settled in shares of common stock per the terms of the award.
- [F3]Each restricted stock unit ("RSU") represents a contingent right to receive one share of Stepan Company common stock.
- [F4]Vests ratably over three years beginning on the date shown.
- [F5]Each RSU represents a contingent right to receive one share of Stepan Company common stock.
- [F6]Vest ratably over three years beginning on the date shown.
Signature
/s/ James A. Hart, Attorney-in-Fact for Sean T. Moriarty|2026-03-05