CSS LLC/IL reports

Location: Chicago, IL
Fiscal year end: 31 December

CSS LLC/IL has filed 161 SEC EDGAR filings since 20 Jan 2000

SEC filing history

Showing 1-25 of 148 matching filings.

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1

13F-HR File 028-15940

13F-HR filing

Filing date: 15 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 17 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-15940

13F-HR filing

Filing date: 17 Feb 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 13 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 31 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 811-05128

PRIMARY DOCUMENT

Filing date: 31 Dec 2025
Reporting date: 29 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 811-05128

PRIMARY DOCUMENT

Filing date: 29 Dec 2025
Reporting date: 22 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 19 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 811-05128

PRIMARY DOCUMENT

Filing date: 17 Dec 2025
Reporting date: 15 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 16 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 811-05128

PRIMARY DOCUMENT

Filing date: 16 Dec 2025
Reporting date: 12 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G

SCHEDULE 13G filing

Filing date: 03 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 26 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-15940

13F-HR filing

Filing date: 13 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 06 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 30 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 21 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 10 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G

SCHEDULE 13G filing

Filing date: 28 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G

SCHEDULE 13G filing

Filing date: 21 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 19 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-15940

13F-HR filing

Filing date: 14 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 14 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

N-PX File 028-15940

N-PX filing

Filing date: 04 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G

SCHEDULE 13G filing

Filing date: 22 Jul 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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