STEPAN CO·4

Mar 5, 7:21 PM ET

Moriarty Sean Thomas 4

4 · STEPAN CO · Filed Mar 5, 2026

Insider Transaction Report

Form 4
Period: 2026-03-03
Moriarty Sean Thomas
VP & GM Surfactants
Transactions
  • Tax Payment

    Common Stock

    [F1]
    2026-03-04$49.62/sh166$8,23615,710.234 total
  • Exercise/Conversion

    Common Stock

    [F2]
    2026-03-04$49.62/sh+571$28,33015,876.234 total
  • Tax Payment

    Common Stock

    [F1]
    2026-03-03$48.98/sh570$27,92115,305.234 total
  • Exercise/Conversion

    Common Stock

    [F2]
    2026-03-03$48.98/sh+1,670$81,80515,875.234 total
  • Exercise/Conversion

    Restricted Stock Units

    [F3][F2][F4]
    2026-03-04571572 total
    From: 2025-03-04Exp: 2027-03-04Restricted Stock Units (571 underlying)
  • Exercise/Conversion

    Restricted Stock Units

    [F5][F2][F6]
    2026-03-031,6703,342 total
    From: 2026-03-03Exp: 2028-03-03Restricted Stock Units (1,670 underlying)
Holdings
  • Common Stock

    (indirect: By Trust)
    4,478.351
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

Documents

1 file
  • 4
    form4.xmlPrimary

    PRIMARY DOCUMENT