Attached files
file | filename |
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10-K/A - FORM 10-K/A - Rubicon Technology, Inc. | d183532d10ka.htm |
EX-31.3 - EX-31.3 - Rubicon Technology, Inc. | d183532dex313.htm |
EXHIBIT 31.4
Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, Mardel A. Graffy, certify that:
1. | I have reviewed this Annual Report on Form 10-K/A of Rubicon Technology, Inc.; and |
2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Date: April 29, 2016 | By: | /s/ Mardel A. Graffy | ||
Mardel A. Graffy | ||||
Chief Financial Officer |