Helicos Biosciences Corp – Filings and Transcripts – BamSEC

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Late quarterly filing notification for Q3 2012

ended 06/30/12 Q2

ended 03/31/12 Q1

ended 12/31/11 FY 2011 – amended

ended 12/31/11 FY 2011

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Registration of securities for employees

Prospectus supplement

Removal from listing

Registration of securities for employees

Prospectus supplement for primary offering

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Versant Affiliates Fund II-A, LP

Trifunovich Ivan

Versant Affiliates Fund II-A, LP

Trifunovich Ivan

Moore Jeffrey R.

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Change in Certifying Accountant, Financial Statements or Exhibits

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Confidential treatment order

Confidential treatment order

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Letter from the SEC