SEC FORM 3

SEC FORM 3SEC 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^*

Weitkamp Robin Joseph

(Last)

(First)

(Middle)

1101 SKOKIE BLVD, SUITE 500

(Street)

NORTHBROOK

ILLINOIS

60062

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2026

3. Issuer Name and Ticker or Trading Symbol
STEPAN CO [ SCL ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	VP and GM Surfactants-INT

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	96.9	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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Restricted Stock Units	05/10/2025⁽¹⁾	05/10/2027	Restricted Stock Units	280	⁽²⁾	D
Stock Appreciation Right	05/10/2025⁽¹⁾	05/09/2034	Common Stock	1,128	$89.53	D
Performance Shares	⁽³⁾	⁽³⁾	Common Stock	626	⁽⁴⁾	D
Restricted Stock Units	03/03/2026⁽¹⁾	03/03/2028	Restricted Stock Units	836	⁽²⁾	D
Stock Appreciation Right	03/03/2026⁽¹⁾	03/02/2035	Common Stock	1,769	$59.86	D
Performance Shares	⁽⁵⁾	⁽⁶⁾	Common Stock	749	⁽⁴⁾	D
Restricted Stock Units	03/02/2027⁽¹⁾	03/02/2029	Restricted Stock Units	1,498	⁽²⁾	D
Stock Appreciation Right	03/02/2026⁽¹⁾	03/01/2036	Common Stock	2,147	$50.06	D

Explanation of Responses:

1. Vests ratably over three years beginning on the date shown.

2. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Stepan Company common stock.

3. The performance shares vest upon the certification of Stepan Company achieving certain performance goals for the performance period ending December 31, 2027.

4. Each performance share represents a contingent right to receive one share of Stepan Company common stock.

5. The performance shares vest upon the certification of Stepan Company achieving certain performance goals for the performance period ending December 31, 2028.

6. The performance shares vest upon the certification of Stepan Company achieving certain performance goals for the performance period ending December 31, 2028.

	/s/ James A. Hart, attorney-in-fact for Mr. Robin J. Weitkamp	04/09/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

SEC Form 3 filed by new insider Weitkamp Robin Joseph