X0303 4/A 2009-04-28 2009-04-30 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 Warrants 2.75 2009-04-28 4 J 0 190182 2.75 A 2009-04-28 2014-04-24 Common Stock 190182 190182 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. 74,605 Warrants are held by QP, 27,051 Warrants are held by Cay, 44,265 Warrants are held by PE, 7,378 Warrants are held by Tech and 36,883 Warrants 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. Warrants were issued in conjunction with the warrants exercised as described in this form 4. Austin W. Marxe 2009-05-11 David M. Greenhouse 2009-05-11