13F-HR 1 reg2q10.txt FORM 13F HOLDINGS REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2010 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Regiment Capital Management, LLC Address: 222 Berkeley Street 12th Floor Boston, MA 02116 13F File Number: 28-11560 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Chris Kaster Title: Chief Operating Officer Phone: 617-488-1600 Signature, Place, and Date of Signing: /s/ Chris Kaster Boston, MA August 03, 2010 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form13F Information Table Entry Total: 20 Form13F Information Table Value Total: $226,566 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- BP PLC SPONSORED ADR 055622104 50632 1753200 SH CALL SOLE 1753200 0 0 CABLEVISION SYS CORP CL A NY CABLVS 12686C109 2401 100000 SH SOLE 70000 30000 0 CHESAPEAKE ENERGY CORP COM 165167107 2095 100000 SH SOLE 100000 0 0 COMCAST CORP NEW CL A 20030N101 32047 1845000 SH SOLE 1601750 243250 0 DEAN FOODS CO NEW COM 242370104 31124 3090800 SH CALL SOLE 3090800 0 0 DOMTAR CORP COM NEW 257559203 9527 193854 SH SOLE 151206 42648 0 HOT TOPIC INC COM 441339108 5080 1000000 SH PUT SOLE 1000000 0 0 LEAR CORP COM NEW 521865204 7242 109409 SH SOLE 78366 31043 0 LEVEL 3 COMMUNICATIONS INC NOTE 2.875% 7/1 52729NBA7 5977 6000000 PRN SOLE 4200000 1800000 0 LORAL SPACE & COMMUNICATNS I COM 543881106 26454 619261 SH SOLE 530194 89067 0 MADISON SQUARE GARDEN INC CL A 55826P100 491 25000 SH SOLE 17500 7500 0 MGM MIRAGE COM 552953101 4250 441000 SH PUT SOLE 441000 0 0 MI DEVS INC CL A SUB VTG 55304X104 3057 250000 SH SOLE 250000 0 0 NRG ENERGY INC COM NEW 629377508 689 32500 SH SOLE 25350 7150 0 QUANTUM CORP COM DSSG 747906204 4236 2253708 SH SOLE 2253708 0 0 SAFEWAY INC COM NEW 786514208 12265 623895 SH SOLE 623895 0 0 SPANISH BROADCASTING SYS INC CL A 846425882 2104 1845958 SH SOLE 1200883 645075 0 SPRINT NEXTEL CORP COM SER 1 852061100 14840 3500000 SH SOLE 2000000 1500000 0 STARWOOD PPTY TR INC COM 85571B105 11865 700000 SH SOLE 0 700000 0 TPC GROUP INC COM 89236Y104 190 11489 SH SOLE 11489 0 0