X0303 4 2009-04-28 0 0000880562 UNIFY CORP UNFY 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 2009-04-28 4 M 0 475456 2.5 A 1990347 I By Limited Partnerships Warrants 2.5 2009-04-28 4 M 0 2178646 2.5 D 2004-04-26 2009-04-26 Common Stock 475456 0 I By Limited Partnerships Exercised warrants for common stock. This is a joint filing by Austin W. Marxe (Marxe) & David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Fund III QP, L.P. (QP), Special Situations Cayman Fund, L.P. (Cay), Special Situations Private Equity Fund, LP (PE), Special Situations Technology Fund, L.P. (Tech) & Special Situations Technology II, L.P. (Tech II), respectively 829,087 shares of Common Stock are held by QP, 276,890 shares of Common Stock are held by Cay, 440,775 shares of Common Stock are held by PE, 74,253 shares of Common Stock are held by Tech & 369,342 shares of Common Stock are held by Tech II. The interest of Marxe and Greenhouse in the shares of Common Stock owned by QP, Cay, PE, Tech & Tech II is limited to the extent of his pecuniary interest. This is a joint filing by Austin W. Marxe (Marxe) & David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Fund III QP, L.P. (QP), Special Situations Cayman Fund, L.P. (Cay), Special Situations Private Equity Fund, LP (PE), Special Situations Technology Fund, L.P. (Tech) & Special Situations Technology II, L.P. (Tech II), respectively. 0 Wts are held by QP, 0 Wts are held by Cay, 0 Wts are held by PE, 0 Wts are held by Tech and 0 Wts are held by Tech II. The interest of Marxe and Greenhouse in the shares of Warrants owned by QP, Cay, PE, Tech & Tech II is limited to the extent of his pecuniary interest. Austin W. Marxe 2009-04-30 David M. Greenhouse 2009-04-30