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HELIX ENERGY SOLUTIONS GROUP INC

SIC 1389 · Oil & Gas Field Services, NEC
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HELIX ENERGY SOLUTIONS GROUP INC

CIK:0000866829|SEC Filings

UNDERWRITING AGREEMENTS

EX-1.1
d537740dex11.htm
2018-03-19T00:00:00Z
EX-1.1
d268735dex11.htm
2017-01-06T00:00:00Z
EX-1.1
d272655dex11.htm
2016-11-01T00:00:00Z
EX-1.1
d418846dex11.htm
2016-08-11T00:00:00Z
EX-1.1
d184327dex11.htm
2016-04-25T00:00:00Z
EX-1.1
nt10013759x4_ex1-1.htm
2020-08-14T00:00:00Z
EX-1.1
h97240exv1w1.txt
2002-05-22T00:00:00Z
EX-1.1
h80473ex1-1.txt
2000-09-22T00:00:00Z
EX-1.1
EX-1.1.txt
1998-04-22T00:00:00Z
EX-1.1
EX-1.1.txt
1997-05-01T00:00:00Z
EX-1.1
exh1-1.htm
2012-03-07T00:00:00Z