635 filings
Page 9 of 32
8-K
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4 Jan 17
Other Events
12:00am
8-K
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7 Dec 16
Regulation FD Disclosure
12:00am
8-K
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5 Dec 16
Departure of Directors or Certain Officers
12:00am
8-K
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1 Nov 16
Helix Announces Proposed Offering of New Convertible Senior Notes for Partial Repurchase of Outstanding Convertible Senior Notes
12:00am
FWP
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27 Oct 16
Free writing prospectus
12:00am
424B5
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27 Oct 16
Prospectus supplement for primary offering
12:00am
S-3ASR
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26 Oct 16
Automatic shelf registration
12:00am
424B3
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26 Oct 16
Prospectus supplement
12:00am
8-K
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20 Oct 16
Helix Reports Third Quarter 2016 Results
12:00am
8-K
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26 Aug 16
Regulation FD Disclosure
12:00am
8-K
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11 Aug 16
Entry into a Material Definitive Agreement
12:00am
424B5
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11 Aug 16
Prospectus supplement for primary offering
12:00am
8-K
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20 Jul 16
Helix Reports Second Quarter 2016 Results
12:00am
8-K
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3 Jun 16
Helix Finalizes Contract Negotiations With Petrobras
12:00am
8-K
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26 May 16
Changes in Registrant's Certifying Accountant
12:00am
8-K
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20 May 16
Q5000 Commences Contract Operations
12:00am
8-K
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12 May 16
Submission of Matters to a Vote of Security Holders
12:00am
8-K
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9 May 16
Regulation FD Disclosure
12:00am