X0202 4 2006-09-07 0 0001160084 LOCATEPLUS HOLDINGS CORP LPHC 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 2005-11-14 4 J 0 9597 5 A 1353184 I By Limited Partnerships Common Stock 2006-09-07 4 S 0 67800 1.0849 D 1285384 I By Limited Partnerships Received shares of Common Stock in-lieu of interest earned thru November 2005. 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. 432,302 shares of Common Stock, 9,194,090 Wts to purchase 183,882 shares of Common Stock are held by QP and 469,200 shares of Common Stock, 10,000,000 Wts to purchase 200,000 shares of Common Stock are held by PE. The interest of Marxe and Greenhouse in the shares of Common Stock owned by QP and PE is limited to the extent of his pecuniary interest. Austin W. Marxe 2006-09-11 David M. Greenhouse 2006-09-11