161 filings
Page 2 of 9
8-K
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13 Sep 11
Departure of Directors or Certain Officers
12:00am
8-K
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30 Aug 11
Helicos BioSciences Expands Its License with Arizona Technology Enterprises Covering Next Generation Sequencing; New Patents Continue to Issue
12:00am
8-K
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30 Jun 11
Departure of Directors or Certain Officers
12:00am
8-K
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29 Apr 11
Departure of Directors or Certain Officers
12:00am
S-8
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1 Apr 11
Registration of securities for employees
12:00am
8-K
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1 Mar 11
Departure of Directors or Certain Officers
12:00am
424B3
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25 Jan 11
Prospectus supplement
12:00am
25-NSE
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21 Jan 11
Exchange delisting
12:00am
8-K
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19 Nov 10
Entry into a Material Definitive Agreement
12:00am
NT 10-Q
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16 Nov 10
Notice of late quarterly filing
12:00am
8-K
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15 Nov 10
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
12:00am
8-K
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15 Oct 10
Helicos BioSciences Corporation Announces Appointment of Ivan Trifunovich as President and CEO
12:00am
8-K
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21 Sep 10
Cost Associated with Exit or Disposal Activities
12:00am
8-K/A
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14 Sep 10
Departure of Directors or Certain Officers
12:00am
8-K/A
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10 Aug 10
Cost Associated with Exit or Disposal Activities
12:00am