UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) STEPAN COMPANY (Exact name of registrant as specified in its charter) (State or other jurisdiction (I.R.S. Employer of incorporation or organization) Identification Number) Delaware 36-1823834 22 West Frontage Road, Northfield, Illinois 60093 (Address of principal executive offices) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2021 ...