OPPENHEIMER HOLDINGS INC reports

Company location: New York, NY
Fiscal year end: 31 December

OPPENHEIMER HOLDINGS INC has filed 962 SEC EDGAR filings since 29 Mar 1996

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SEC filing history

Showing 651-675 of 707 matching filings.

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10-Q/A File 001-12043

FORM 10-Q/A

Filing date: 10 Aug 2011
Reporting date: 30 Jun 2011
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-12043

FORM 10-Q

Filing date: 09 Aug 2011
Reporting date: 30 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 04 Aug 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
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EFFECT File 333-174932

EFFECT filing

Filing date: 12 Jul 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
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424B3 File 333-174932

424B3

Filing date: 12 Jul 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
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CORRESP

CORRESP filing

Filing date: 08 Jul 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-4/A File 333-174932

FORM S-4/A

Filing date: 08 Jul 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 30 Jun 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 30 Jun 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

11-K File 001-12043

11-K filing

Filing date: 28 Jun 2011
Reporting date: 31 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3 File 333-174933

FORM S-3

Filing date: 16 Jun 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-4 File 333-174932

FORM S-4

Filing date: 16 Jun 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12043

FORM 8-K

Filing date: 16 Jun 2011
Reporting date: 16 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-48859

SC 13G/A filing

Filing date: 08 Jun 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-48859

SC 13G/A filing

Filing date: 18 May 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 13 May 2011
Reporting date: 09 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12043

8-K filing

Filing date: 11 May 2011
Reporting date: 09 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-12043

10-Q filing

Filing date: 05 May 2011
Reporting date: 31 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12043

FORM 8-K

Filing date: 12 Apr 2011
Reporting date: 12 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12043

FORM 8-K

Filing date: 06 Apr 2011
Reporting date: 06 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-12043

FORM 8-K

Filing date: 30 Mar 2011
Reporting date: 30 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-12043

DEF 14A

Filing date: 28 Mar 2011
Reporting date: 09 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-12043

10-K filing

Filing date: 02 Mar 2011
Reporting date: 31 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-48859

SC 13G/A filing

Filing date: 23 Feb 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

PRIMARY DOCUMENT

Filing date: 16 Feb 2011
Reporting date: 31 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing