| Date Filed | Type | Description |
| 08/16/2011 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 07/13/2011 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 07/13/2011 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 07/12/2011 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)] |
| 06/30/2011 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 06/30/2011 |
4
| ROBBINS STUART M (Director) has filed a Form 4 on LABRANCHE & CO INC |
| 06/30/2011 |
4
| KIERNAN DONALD E (Director) has filed a Form 4 on LABRANCHE & CO INC |
| 06/30/2011 |
4
| Gray Stephen H (General Counsel, Secretary) has filed a Form 4 on LABRANCHE & CO INC |
| 06/30/2011 |
4
| McCutcheon Jeffrey A (SVP and CFO) has filed a Form 4 on LABRANCHE & CO INC |
| 06/30/2011 |
4
| BURKE WILLIAM J III (COO) has filed a Form 4 on LABRANCHE & CO INC |
| 06/30/2011 |
4
| HAYWARD ALFRED O JR (EVP; CEO of LaBranche & Co LLC) has filed a Form 4 on LABRANCHE & CO INC |
| 06/30/2011 |
4
| LABRANCHE GEORGE M L IV (Chairman, CEO & President) has filed a Form 4 on LABRANCHE & CO INC |
| 06/29/2011 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 06/29/2011 |
4
| LABRANCHE & CO INC (See Footnotes (1) and (2)) has filed a Form 4 on COWEN GROUP, INC. |
| 06/29/2011 |
8-K
| Quarterly results |
| 06/29/2011 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities |
| 06/16/2011 |
8-K
| Other Events, Financial Statements and Exhibits |
| 06/15/2011 |
8-K
| Submission of Matters to a Vote of Security Holders |
| 06/06/2011 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 06/01/2011 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/31/2011 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/31/2011 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 05/25/2011 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/25/2011 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 05/13/2011 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 05/10/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 05/06/2011 |
8-K
| Quarterly results |
| 05/04/2011 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition |
| 04/29/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 04/20/2011 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 04/15/2011 |
SC 13D
| SUMMIT CAPITAL MANAGEMENT LLC reports a 6.8% stake in LaBranche & Co Inc |
| 04/11/2011 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 03/16/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/25/2011 |
3
| LABRANCHE & CO INC (10% Owner) has filed a Form 3 on COWEN GROUP, INC. |
|