161 filings
8-K
HLCSQ
Helicos BioSciences Corp
10 Dec 12
Changes in Registrant's Certifying Accountant
12:00am
8-K
HLCSQ
Helicos BioSciences Corp
15 Nov 12
Bankruptcy or Receivership
12:00am
NT 10-Q
HLCSQ
Helicos BioSciences Corp
15 Nov 12
Notice of late quarterly filing
12:00am
8-K
HLCSQ
Helicos BioSciences Corp
6 Sep 12
Departure of Directors or Certain Officers
12:00am
8-K
HLCSQ
Helicos BioSciences Corp
31 Aug 12
Other Events
12:00am
8-K
65juhec 7pyy
29 Aug 12
Entry into a Material Definitive Agreement
12:00am
8-K
y18xck7k
6 Aug 12
Entry into a Material Definitive Agreement
12:00am
8-K
vazcqbsryomewxa 6b9
10 Apr 12
Entry into a Material Definitive Agreement
12:00am
8-K
33bexa
9 Mar 12
Other Events
12:00am
8-K
we1a0fsq
10 Jan 12
Departure of Directors or Certain Officers
12:00am
CT ORDER
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4 Jan 12
Confidential treatment order
12:00am
CT ORDER
xde7xmaroi
20 Dec 11
Confidential treatment order
12:00am
8-K
to8 pcbih
1 Dec 11
Entry into a Material Definitive Agreement
12:00am
8-K
hvfgij
22 Sep 11
Entry into a Material Definitive Agreement
12:00am