X0303 4/A 2011-02-17 2011-02-22 0001364099 Innophos Holdings, Inc. IPHS 0001379626 Gress Randy 259 PROSPECT PLAINS ROAD CRANBURY NJ 08512 1 1 CEO Common Stock 2011-02-17 4 D 0 424 2.55 D 43734 D Common Stock 2011-02-17 4 M 0 7232 2.55 A 50966 D Option To Purchase Common Stock 2.55 2011-02-17 4 M 0 7232 0 D 2015-04-01 Common Stock - Non-Derivative 7232 61296 D These options, which are fully vested and exercisable, were granted under the 2005 Executive Stock Option Plan. This Amended Form 4 is being filed to correct the Amount of Securities Beneficially Owned Following Reported Transactions. Filings by the reporting person subsequent to the original filing of this form and prior to this Amended Form 4 have already utilized the correct amount of securities beneficially owned. Randolph Gress 2011-03-15