Date Form Description PDF XBRL Pages
06/08/18 4 Statement of changes in beneficial ownership of securities 1
06/08/18 4 Statement of changes in beneficial ownership of securities 1
06/08/18 4 Statement of changes in beneficial ownership of securities 1
06/06/18 SC TO-I/A Issuer tender offer statement
Documents
EX-99.(A)(5)(A)
 7
05/31/18 SD Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
Documents
EX-1.01
 7
05/17/18 4 Statement of changes in beneficial ownership of securities 1
05/08/18 SC TO-I Issuer tender offer statement
Documents
EX-99.A1A
EX-99.A1B
EX-99.A1C
EX-99.A1D
EX-99.A1E
 89
05/07/18 8-K Current report filing
Documents
EX-99.1
 6
05/07/18 SC TO-C Written communication relating to an issuer or third party tender offer
Documents
EX-99.1
 6
05/07/18 10-Q Quarterly report pursuant to Section 13 or 15(d)
Documents
EX-31.1
EX-31.2
EX-32.1
EX-32.2
EX-99.1
 36
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