SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Moriarty Sean Thomas (Last) (First) (Middle) 22 WEST FRONTAGE ROAD (Street) NORTHFIELD (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 09/01/2017	3. Issuer Name and Ticker or Trading Symbol STEPAN CO [ SCL ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) VP & GM Polymers	5. If Amendment, Date of Original Filed (Month/Day/Year) 09/08/2017
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock(1)	1,400.805	D
Common Stock	3,492.809	I	By ESOP II Trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	02/19/2015	02/18/2023	Common Stock	518	63.11	D
Stock Option (Right to Buy)	02/18/2016	02/17/2024	Common Stock	629	61.91	D
Stock Option (Right to Buy)	04/29/2016	04/28/2024	Common Stock	1,332	58.22	D
Stock Option (Right to Buy)	02/23/2018	02/22/2026	Common Stock	1,533	43.85	D
Stock Option (Right to Buy)	02/21/2018	02/20/2027	Common Stock	949	78.58	D
Stock Appreciation Right	02/19/2015	02/18/2023	Common Stock	1,208	63.11	D
Stock Appreciation Right	02/18/2016	02/17/2024	Common Stock	1,888	61.91	D
Stock Appreciation Right	04/29/2016	04/28/2024	Common Stock	3,997	58.22	D
Stock Appreciation Right	02/23/2018	02/22/2026	Common Stock	4,598	43.85	D
Stock Appreciation Right	02/21/2018	02/20/2027	Common Stock	2,848	78.58	D
Performance Shares	(2)	(2)	Common Stock	1,458	(2)	D
Performance Shares	(3)	(3)	Common Stock	1,368	(3)	D
Performance Shares	(4)	(4)	Common Stock	764	(4)	D
Share Units(1)	(5)	(5)	Common Stock	5,217.222	(6)	D

Explanation of Responses:

1. This amendment reflects Share Units which were inadvertently reported as directly held shares in in the original Form 3.

2. Each performance share represents a contingent right to receive one share of Stepan Company Common Stock. The performance shares vest upon Stepan Company achieving certain financial targets by December 31, 2017.

3. Each performance share represents a contingent right to receive one share of Stepan Company Common Stock. The performance shares vest upon Stepan Company achieving certain financial targets by December 31, 2018.

4. Each performance share represents a contingent right to receive one share of Stepan Company Common Stock. The performance shares vest upon Stepan Company achieving certain financial targets by December 31, 2019.

5. Share Units owned by the reporting persons election under the MIP are generally payable at end of employment, unless otherwise elected

6. Share Units 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 that convert on a one-for-one basis into Common Stock.

	/s/ Matthew M. Rice, attorney-in-fact for Sean T. Moriarty	09/19/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
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