<SEC-DOCUMENT>0001193125-16-552217-index.html : 20160422 <SEC-HEADER>0001193125-16-552217.hdr.sgml : 20160422 <ACCEPTANCE-DATETIME>20160422171906 ACCESSION NUMBER: 0001193125-16-552217 CONFORMED SUBMISSION TYPE: 10-K/A PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20151231 FILED AS OF DATE: 20160422 DATE AS OF CHANGE: 20160422 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: 161587328 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>d165342d10ka.htm <DESCRIPTION>FORM 10-K/A <TEXT> Document 1 - file: d165342d10ka.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.1 <SEQUENCE>2 <FILENAME>d165342dex311.htm <DESCRIPTION>EX-31.1 <TEXT> Document 2 - file: d165342dex311.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.2 <SEQUENCE>3 <FILENAME>d165342dex312.htm <DESCRIPTION>EX-31.2 <TEXT> Document 3 - file: d165342dex312.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g16534210.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g16534210.jpg
</DOCUMENT> </SEC-DOCUMENT>