13F-HR/A 1 reg4q05a.txt FORM 13F HOLDINGS REPORT AMENDMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2005 Check here if Amendment [x]; Amendment Number: 1 This Amendment (Check only one.): [x] 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 January 24, 2006 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: 22 Form13F Information Table Value Total: $141,349 (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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- AMKOR TECHNOLOGY INC NOTE 5.000% 3/1 031652AH3 8022 8500000 PRN SOLE 5875000 2625000 0 AMR CORP COM 001765106 8863 398700 SH PUT SOLE 268800 129900 0 AQUILA INC COM 03840P102 9611 2669600 SH SOLE 1790900 878700 0 BIOVAIL CORP COM 09067J109 4746 200000 SH CALL SOLE 134000 66000 0 BLOCKBUSTER INC CL A 093679108 1418 378100 SH PUT SOLE 253000 125100 0 CENTERPOINT ENERGY INC COM 15189T107 15816 1230800 SH SOLE 882800 348000 0 CHARTER COMMUNICATIONS INC D NOTE 5.875%11/1 16117MAE7 260 350000 PRN SOLE 0 350000 0 CORNELL COMPANIES INC COM 219141108 5152 372800 SH SOLE 248980 123820 0 EL PASO CORP COM 28336L109 2432 200000 SH PUT SOLE 150000 50000 0 ELAN PLC ADR 284131208 4179 300000 SH SOLE 195000 105000 0 ELAN PLC ADR 284131208 1393 100000 SH PUT SOLE 75000 25000 0 GLOBAL POWER EQUIPMENT INC COM 37941P108 117 25810 SH SOLE 25810 0 0 LIN TELEVISION CORP SDEB 2.500% 5/1 532776AL5 14100 16000000 PRN SOLE 11500000 4500000 0 LIZ CLAIBORNE INC COM 539320101 989 27600 SH PUT SOLE 18500 9100 0 MERCK & CO INC COM 589331107 4772 150000 SH CALL SOLE 105100 44900 0 NORTEL NETWORKS CORP NEW NOTE 4.250% 9/0 656568AB8 33750 36000000 PRN SOLE 24000000 12000000 0 NORTHWESTERN CORP COM NEW 668074305 1003 32267 SH SOLE 0 32267 0 PRIMUS TELECOMMUNICATIONS GR COM 741929103 300 400000 SH SOLE 290000 110000 0 SGL CARBON AG SPONSORED ADR 784188203 597 108300 SH SOLE 80800 27500 0 SIERRA PAC RES NEW COM 826428104 5399 414000 SH SOLE 414000 0 0 SPX CORP NOTE 2/0 784635AD6 16500 25000000 PRN SOLE 17350000 7650000 0 TENET HEALTHCARE CORP COM 88033G100 1930 252000 SH PUT SOLE 177000 75000 0