Mr. Robin J. Weitkamp

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Northbrook, IL
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ James A. Hart, attorney-in-fact for Mr. Robin J. Weitkamp
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Mr. Robin J. Weitkamp

Form 4 holding VP and GM Surfactants-INT

STEPAN CO

Security class
Common Stock
Shares / value
97
Estimated value
$4,843
Report date
11 May 2026
Price
$49.98
Ownership
By ESOP II Trust
Form 4 holding VP and GM Surfactants-INT

STEPAN CO

Security class
Common Stock
Shares / value
40
Estimated value
$1,999
Report date
11 May 2026
Price
$49.98
Ownership
Direct
Form 4 holding VP and GM Surfactants-INT

STEPAN CO

Security class
Stock Appreciation Right
Shares / value
4,030
Estimated value
Report date
13 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding VP and GM Surfactants-INT

STEPAN CO

Security class
Performance Shares
Shares / value
1,429
Estimated value
Report date
13 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding VP and GM Surfactants-INT

STEPAN CO

Security class
Restricted Stock Units
Shares / value
190
Estimated value
Report date
11 May 2026
Price
Ownership
Direct
Underlying class
Restricted Stock Units
Underlying amount

Insider Reports Filed by Mr. Robin J. Weitkamp

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .