161 filings
Page 3 of 9
8-K
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1 Jul 10
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
12:00am
8-K
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25 Jun 10
Helicos BioSciences Announces Launch of Diagnostics Business
12:00am
8-K
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22 Jun 10
Departure of Directors or Certain Officers
12:00am
8-K
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14 Jun 10
Entry into a Material Definitive Agreement
12:00am
8-K
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17 May 10
Helicos BioSciences Announces Strategic Focus on Diagnostics Markets and Operational Restructuring
12:00am
8-K
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15 Apr 10
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
12:00am
S-8
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15 Apr 10
Registration of securities for employees
12:00am
NT 10-K
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31 Mar 10
Notice of late annual filing
12:00am
UPLOAD
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8 Mar 10
Letter from SEC
12:00am
CORRESP
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26 Feb 10
Correspondence with SEC
12:00am
UPLOAD
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16 Feb 10
Letter from SEC
12:00am
8-K
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12 Feb 10
Departure of Directors or Certain Officers
12:00am
CORRESP
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20 Jan 10
Correspondence with SEC
12:00am
CORRESP
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23 Dec 09
Correspondence with SEC
12:00am
8-K
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18 Dec 09
Entry into a Material Definitive Agreement
12:00am
UPLOAD
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17 Dec 09
Letter from SEC
12:00am
424B5
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16 Dec 09
Prospectus supplement for primary offering
12:00am