X0202 4 2006-02-17 0 0000722567 CAPRIUS INC CAPS 0001044321 MARXE AUSTIN W & GREENHOUSE DAVID M C/O SPECIAL SITUATIONS FUNDS 527 MADISON AVENUE, SUITE 2600 NEW YORK NY 10022 0 0 1 0 Common Stock 2006-02-17 4 P 0 79031 12.4003 A 2190560 I By Limited Partnerships Warrants A 1.5 2006-02-17 4 P 0 73134 1.5 A 2006-02-17 2011-02-17 Common Stock 73134 613742 I By Limited Partnerships Warrants B 2 2006-02-17 4 P 0 146268 2 A 2006-02-17 2011-02-17 Common Stock 146268 760010 I By Limited Partnerships This is a joint filing by Austin W. Marxe (Marxe) and David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Fund III QP, L.P. (QP) and Special Situations Private Equity Fund, L.P. (PE), respectively. 335,585 shares of Common Stock, 1,902,225 Wts A cvt into 95,111 shares of Com Stk, 634,076 Wts B, cvt into 31,704 shares of Com Stk, 17,164 Wts A cvt into CS and 34,328 Wts B cvt into CS are held by QP and 1,094,965 shares of Common Stock, 6,206,896 Wts A, cvt into 310,345 shares of Com Stk, 2,068,965 Wts B, cvt into 103,448 shares of Com Stk, 55,970 Wts A cvt into CS and 111,940 Wts A cvt into CS are held by PE. The interest of Marxe & Greenhouse in the shares of Common Stock owned by QP and PE is limited to the extent of his pecuniary interest. Austin W. Marxe 2006-02-23 David M. Greenhouse 2006-02-23