212 results
Page 5 of 11
8-K
EX-4.1
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30 Sep 14
Entry into a Material Definitive Agreement
12:00am
8-K
EX-10.1
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13 Dec 12
Helix Announces Sale of Oil and Gas Subsidiary
12:00am
8-K
EX-99.2
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24 Jul 12
Results of Operations and Financial Condition
12:00am
424B5
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7 Mar 12
Prospectus supplement for primary offering
12:00am
8-K
EX-1.1
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7 Mar 12
Entry into a Material Definitive Agreement
12:00am