13F-HR 1 reg3q07.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: September 30, 2007 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: Chris Kaster Boston, MA October 31, 2007 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: 28 Form13F Information Table Value Total: $137,601 (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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ADVANCED MICRO DEVICES INC COM 007903107 7920 600000 SH SOLE 390000 210000 0 ADVANCED MICRO DEVICES INC COM 007903107 7920 600000 SH PUT SOLE 390000 210000 0 ANGIOTECH PHARMACEUTICALS IN COM 034918102 314 50000 SH SOLE 32500 17500 0 AQUILA INC COM 03840P102 18246 4550100 SH SOLE 3025900 1524200 0 BUILDING MATLS HLDG CORP COM 120113105 1058 100000 SH SOLE 67000 33000 0 CABLEVISION SYS CORP CL A NY CABLVS 12686C109 1405 40200 SH PUT SOLE 27700 12500 0 CABLEVISION SYS CORP CL A NY CABLVS 12686C109 3494 100000 SH SOLE 70000 30000 0 CENTENNIAL COMMUNCTNS CORP N CL A NEW 15133V208 3997 395000 SH SOLE 260250 134750 0 CHARTER COMMUNICATIONS INC D NOTE 5.875%11/1 16117MAE7 452 350000 PRN SOLE 0 350000 0 CHARTER COMMUNICATIONS INC D CL A 16117M107 1032 400000 SH SOLE 280000 120000 0 COLUMBUS ACQUISITION CORP COM 198851107 1748 237200 SH SOLE 237200 0 0 COMCAST CORP NEW CL A 20030N101 4957 205000 SH SOLE 205000 0 0 CROCS INC COM 227046109 30706 456600 SH PUT SOLE 456600 0 0 FINLAY ENTERPRISES INC COM NEW 317884203 594 144826 SH SOLE 144826 0 0 LEVEL 3 COMMUNICATIONS INC NOTE 2.875% 7/1 52729NBA7 5760 6000000 PRN SOLE 4200000 1800000 0 LINCARE HLDGS INC COM 532791100 10841 295800 SH PUT SOLE 197700 98100 0 MBF HEALTHCARE ACQUISITION C COM 552650103 3790 499400 SH SOLE 499400 0 0 MBF HEALTHCARE ACQUISITION C *W EXP 04/16/201552650111 405 499400 SH SOLE 499400 0 0 MI DEVS INC CL A SUB VTG 55304X104 8278 250000 SH SOLE 250000 0 0 MILACRON INC COM NEW 598709301 1424 200000 SH SOLE 200000 0 0 NABORS INDUSTRIES LTD SHS G6359F103 4616 150000 SH SOLE 100000 50000 0 NORTEL NETWORKS CORP NEW NOTE 4.250% 9/0 656568AB8 3680 3750000 PRN SOLE 2494000 1256000 0 ROTECH HEALTHCARE INC COM 778669101 226 191500 SH SOLE 134380 57120 0 SPANISH BROADCASTING SYS INC CL A 846425882 4763 1845958 SH SOLE 1200883 645075 0 TELEPHONE & DATA SYS INC SPL COM 879433860 4898 79000 SH SOLE 79000 0 0 TENET HEALTHCARE CORP COM 88033G100 336 100000 SH PUT SOLE 65000 35000 0 TIME WARNER CABLE INC CL A 88732J108 3244 98915 SH SOLE 68615 30300 0 TOUSA INC COM 872962105 1497 929657 SH SOLE 611790 317867 0