May 1, 9:45 PM ET
S-1/A · Rib-X Pharmaceuticals, Inc. · Filed May 2, 2012
AMENDMENT NO. 6 TO FORM S-1
FORM OF UNDERWRITING AGREEMENT
CERTIFICATE OF AMENDMENT
OPINION OF MINTZ,LEVIN,COHN,FERRIS,GLOVSKY AND POPEO, P.C.
CONSENT OF PRICEWATERHOUSECOOPERS LLP
GRAPHIC