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 *
STEPAN F QUINN
  2. Issuer Name and Ticker or Trading Symbol
STEPAN CO [SCL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
22 W. FRONTAGE ROAD
3. Date of Earliest Transaction (Month/Day/Year)
02/01/2019
(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 02/01/2019   M   42,689.962 A (1) 127,749.964 D  
Common Stock 02/01/2019   D(2)   41,621.831 D $ 87.93 85,060.002 D  
Common Stock 02/01/2019   F(3)   448.081 D $ 87.93 127,301.883 D  
Common Stock               102.456 I By Esop II Trust
Common Stock               170,269 I By Spouse
Common Stock               505,222 I Stepan Venture II Partnership

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Share Units (4) (5) 02/01/2019   M     42,689.962   (6)   (6) Common Stock 42,689.962 (1) 305,143.618 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
STEPAN F QUINN
22 W. FRONTAGE ROAD
NORTHFIELD, IL 60093
  X      

Signatures

 /s/ Stephanie J. Pacitti, attorney-in-fact for F. Quinn Stepan   02/04/2019
**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) Share Units converted on a one-for-one basis into Common Stock. The Share Units were acquired under the Management Incentive Plan (As Amended and Restated Effective January 1, 2015) ("MIP"), a nonqualified deferred compensation plan which allows MIP participants to elect to defer all or a portion of their deferred compensation into accounts pursuant to MIP provisions.
(2) Reflects Share Units that were settled in cash pursuant to the terms of the MIP. Pursuant to the terms of the MIP, amounts deferred are distributed to MIP participants in accordance with the terms of the MIP.
(3) Reflects shares withheld in connection with settlement of stock-settled share units under the MIP. Pursuant to the terms of the MIP, amounts deferred are distributed to MIP participants in accordance with the terms of the MIP.
(4) Share Units were acquired under the MIP.
(5) Share Units convert on a one-for-one basis into Common Stock
(6) Amounts deferred into Share Units are distributed to the participant in ten installments following the end of employment.

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