STEPAN CO reports

Company location: Northfield, IL
Fiscal year end: 31 December

STEPAN CO has filed 2,594 SEC EDGAR filings since 10 Feb 1994

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SEC filing history

Showing 26-50 of 1,000 matching filings.

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25

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2

SCHEDULE 13G/A File 005-34475

SCHEDULE 13G/A filing

Filing date: 27 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-04462

ARS

Filing date: 25 Mar 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-04462

DEF 14A

Filing date: 25 Mar 2026
Reporting date: 28 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 03 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 03 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 03 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 03 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-04462

10-K

Filing date: 26 Feb 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-04462

8-K

Filing date: 23 Feb 2026
Reporting date: 20 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-04462

8-K

Filing date: 23 Feb 2026
Reporting date: 23 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 19 Feb 2026
Reporting date: 17 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Feb 2026
Reporting date: 17 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Feb 2026
Reporting date: 17 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Feb 2026
Reporting date: 17 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

5/A

PRIMARY DOCUMENT

Filing date: 19 Feb 2026
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Feb 2026
Reporting date: 09 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A File 005-34475

SCHEDULE 13G/A filing

Filing date: 21 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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