X0202 4 2007-02-28 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 Warrants 0.5 2007-02-28 4 P 0 1531250 0 A 2007-02-28 2012-02-28 Common Stock 1531250 1531250 I By Limited Partnerships Convertible Preferred 0.4 2007-02-28 4 P 0 4900 250 A Common Stock 3062500 4900 I By Limited Partnerships None 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. 1,150 of Preferred Stock are convertible into 718,750 shares of Common Stock are held by QP and 3,750 Preferred Stock are convertible into 2,343,750 shares of Common Stock are held by PE. The interest of Marxe & Greenhouse in the shares of Preferred Stock owned by QP and PE is limited to the extent of his pecuniary interest. 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. 359,375 Warrants are held by QP and 1,171,875 Warrants are held by PE. The interest of Marxe & Greenhouse in the shares of Warrants owned by QP and PE is limited to the extent of his pecuniary interest. Austin W. Marxe 2007-02-07 David M. Greenhouse 2007-02-07