<SEC-DOCUMENT>0001193125-15-146698-index.html : 20150424 <SEC-HEADER>0001193125-15-146698.hdr.sgml : 20150424 <ACCEPTANCE-DATETIME>20150424160807 ACCESSION NUMBER: 0001193125-15-146698 CONFORMED SUBMISSION TYPE: 10-K/A PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20141231 FILED AS OF DATE: 20150424 DATE AS OF CHANGE: 20150424 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ULTRATECH INC CENTRAL INDEX KEY: 0000909791 STANDARD INDUSTRIAL CLASSIFICATION: SPECIAL INDUSTRY MACHINERY, NEC [3559] IRS NUMBER: 943169580 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 10-K/A SEC ACT: 1934 Act SEC FILE NUMBER: 000-22248 FILM NUMBER: 15791922 BUSINESS ADDRESS: STREET 1: 3050 ZANKER RD CITY: SAN JOSE STATE: CA ZIP: 95134 BUSINESS PHONE: 4083218835 MAIL ADDRESS: STREET 1: 3050 ZANKER RD CITY: SAN JOSE STATE: CA ZIP: 95134 FORMER COMPANY: FORMER CONFORMED NAME: ULTRATECH STEPPER INC DATE OF NAME CHANGE: 19930727 </SEC-HEADER> <DOCUMENT> <TYPE>10-K/A <SEQUENCE>1 <FILENAME>d914127d10ka.htm <DESCRIPTION>FORM 10-K/A <TEXT> Document 1 - file: d914127d10ka.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.1 <SEQUENCE>2 <FILENAME>d914127dex311.htm <DESCRIPTION>EX-31.1 <TEXT> Document 2 - file: d914127dex311.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.2 <SEQUENCE>3 <FILENAME>d914127dex312.htm <DESCRIPTION>EX-31.2 <TEXT> Document 3 - file: d914127dex312.htm
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