X0202 3 2007-05-23 0 0001286839 Collexis Holdings, Inc. NA 0001401840 van Praag Peter P.O. BOX 86 GELDERMALSEN P7 4190 CB NETHERLANDS 1 1 0 0 CEO, Collexis Europe Common Stock 4795820 I through Van Praag Informatisering B.V., a wholly-owned corporation 0ptions .10 2006-01-31 2011-12-31 Common Stock 1000000 I through Van Praag Informatisering B.V., a wholly-owned corporation PETER VAN PRAAG 2007-06-14