257 results
Page 9 of 13
8-K
EX-99.1
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8 Apr 08
Regulation FD Disclosure
12:00am
8-K
EX-10.1
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8 Feb 08
Helix Announces Resignation of Ceo
12:00am
8-K
EX-99.1
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19 Sep 07
Regulation FD Disclosure
12:00am
8-K
EX-99.2
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4 Sep 07
Helix to Present at Lehman Brothers CEO Energy Conference
12:00am
424B3
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30 May 06
Prospectus supplement
12:00am
425
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8 May 06
Business combination disclosure
12:00am
425
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8 May 06
Business combination disclosure
12:00am
8-K
EX-99.2
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4 Apr 06
Helix to Present at Sidoti & Company Conference
12:00am
425
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4 Apr 06
Business combination disclosure
12:00am