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8-K
EX-10.1
1be9wz0p2gyetetcb
6 Jan 15
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-1.1
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7 Mar 12
Entry into a Material Definitive Agreement
12:00am
8-K
EX-10.1
w1vp8jsc6 fq
9 Jun 11
Entry into a Material Definitive Agreement
12:00am
CORRESP
uwr5s1wdfwlurc gok
13 Dec 10
Correspondence with SEC
12:00am