Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Slone Robert Victor
   2. Issuer Name and Ticker or Trading Symbol
STEPAN CO [SCL] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP Chief Tech & Sustainability
(Last)
(First)
(Middle)
22 WEST FRONTAGE ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
01/07/2019
(Street)

NORTHFIELD, IL 60093		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 01/07/2019   M   517 A $ 72.99 7,564.7553 D  
Common Stock 01/07/2019   S   517 D $ 75.17 7,047.7553 D  
Common Stock 01/07/2019   M(1)   1,551 A $ 72.99 8,598.7553 D  
Common Stock 01/07/2019   D(2)   1,506 D $ 75.17 7,092.7553 D  
Common Stock 01/07/2019   F(3)   16 D $ 75.17 7,076.7553 D  
Common Stock               463.221 I By Esop II Trust

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $ 72.99 01/07/2019   M     517 12/31/2018 02/20/2028 Common Stock 517 $ 0 1,034 D  
Stock Appreciation Right $ 72.99 01/07/2019   M(1)     1,551 12/31/2018 02/20/2028 Common Stock 1,551 $ 0 3,102 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Slone Robert Victor
22 WEST FRONTAGE ROAD
NORTHFIELD, IL 60093		       VP Chief Tech & Sustainability  

Signatures

 /s/ Stephanie Jane Pacitti, Attorney-in-Fact for Robert V. Slone   01/09/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The stock appreciation rights ("SARs") were settled in shares of common stock as per the terms of the award.
(2) Deemed disposition of underlying common stock to the issuer in an amount equal to the conversion price of the SARs.
(3) Withholding of shares to satisfy tax liability on exercise of SARs.

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