GROUP ONE TRADING LLC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Chicago, IL
SEC filing record 1 source field available
Fiscal year end
30 September
GROUP ONE TRADING LLC has filed 144 SEC EDGAR filings since 29 Nov 2002

SEC filing history

Showing 101-125 of 130 matching filings.

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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2008.Q1

Filing date
14 May 2012
Reporting date
31 Mar 2008
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2008.Q2

Filing date
14 May 2012
Reporting date
30 Jun 2008
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2008.Q3

Filing date
14 May 2012
Reporting date
30 Sep 2008
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2008.Q4

Filing date
14 May 2012
Reporting date
31 Dec 2008
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2009.Q1

Filing date
14 May 2012
Reporting date
31 Mar 2009
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2009.Q2

Filing date
14 May 2012
Reporting date
30 Jun 2009
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2009.Q3

Filing date
14 May 2012
Reporting date
30 Sep 2009
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2009.Q4

Filing date
14 May 2012
Reporting date
31 Dec 2009
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2010.Q1 AMENDMENT

Filing date
14 May 2012
Reporting date
31 Mar 2010
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2010.Q2 AMENDMENT NO.1

Filing date
14 May 2012
Reporting date
30 Jun 2010
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2010.Q3 AMENDMENT NO.1

Filing date
14 May 2012
Reporting date
30 Sep 2010
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2010.Q4 AMENDMENT NO.1

Filing date
14 May 2012
Reporting date
31 Dec 2010
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2011.Q1 AMENDMENT NO.1

Filing date
14 May 2012
Reporting date
31 Mar 2011
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2011.Q2 AMENDMENT NO.1

Filing date
14 May 2012
Reporting date
30 Jun 2011
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2011.Q3 AMENDMENT NO.1

Filing date
14 May 2012
Reporting date
30 Sep 2011
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2011.Q4 AMENDMENT NO.2

Filing date
14 May 2012
Reporting date
31 Dec 2011
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2010.Q1

Filing date
24 Apr 2012
Reporting date
31 Mar 2010
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2010.Q2

Filing date
24 Apr 2012
Reporting date
30 Jun 2010
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2010.Q3

Filing date
24 Apr 2012
Reporting date
30 Sep 2010
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2010.Q4

Filing date
24 Apr 2012
Reporting date
31 Dec 2010
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2011.Q1

Filing date
23 Apr 2012
Reporting date
31 Mar 2011
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2011.Q2

Filing date
23 Apr 2012
Reporting date
30 Jun 2011
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2011.Q3

Filing date
12 Apr 2012
Reporting date
30 Sep 2011
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13F-HR/A File 028-14920

GROUP ONE TRADING LP 13F 2011.Q4 AMENDMENT

Filing date
13 Mar 2012
Reporting date
31 Dec 2011
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13F-HR File 028-14920

GROUP ONE TRADING LP 13F-2011.Q4

Filing date
08 Mar 2012
Reporting date
31 Dec 2011
SEC evidence
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