167 results
Page 3 of 9
8-K
EX-4.1
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30 Sep 14
Entry into a Material Definitive Agreement
12:00am
8-K
EX-10.2
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13 Dec 12
Helix Announces Sale of Oil and Gas Subsidiary
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-10.1
xzrlxc73
17 Oct 12
Entry into a Material Definitive Agreement
12:00am
424B3
5uy0ajr4kozrs5 m0
7 Mar 12
Prospectus supplement
12:00am
FWP
o7w6tdtvin5 zsx
7 Mar 12
Free writing prospectus
12:00am
424B5
xx1ncrorqmd xv
7 Mar 12
Prospectus supplement for primary offering
12:00am
8-K
EX-1.1
fnd54u
7 Mar 12
Entry into a Material Definitive Agreement
12:00am
8-K
EX-10.2
y9xis
15 Dec 11
Departure of Directors or Certain Officers
12:00am
8-K
EX-10.1
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9 Jun 11
Entry into a Material Definitive Agreement
12:00am