| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 04/06/18 | 8-K | Current report filing |
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| 04/06/18 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
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| 04/06/18 | DEF 14A | Definitive proxy statements |
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| 03/29/18 | 8-K | Current report filing |
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| 03/27/18 | 8-K | Current report filing |
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| 03/23/18 | 8-K | Current report filing |
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| 03/22/18 | S-3ASR | Automatic shelf registration statement of securities of well-known seasoned issuers |
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| 03/19/18 | 8-K | Current report filing |
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| 03/12/18 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/12/18 | SC 13G/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
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