0001179110-20-001410.txt : 20200210 0001179110-20-001410.hdr.sgml : 20200210 20200210180118 ACCESSION NUMBER: 0001179110-20-001410 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200102 FILED AS OF DATE: 20200210 DATE AS OF CHANGE: 20200210 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Backstrom Jay T. CENTRAL INDEX KEY: 0001796398 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-36065 FILM NUMBER: 20593232 MAIL ADDRESS: STREET 1: C/O ACCELERON PHARMA INC. STREET 2: 128 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ACCELERON PHARMA INC CENTRAL INDEX KEY: 0001280600 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 128 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-649-9200 MAIL ADDRESS: STREET 1: 128 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 4/A 1 edgar.xml FORM 4/A - X0306 4/A 2020-01-02 2020-01-03 0 0001280600 ACCELERON PHARMA INC XLRN 0001796398 Backstrom Jay T. 128 SIDNEY STREET CAMBRIDGE MA 02139 0 1 0 0 EVP, Research and Development Option to Purchase Common Stock 52.61 2020-01-02 4 A 0 96963 0 A 2030-01-02 Common Stock 96963 96963 D Due to a clerical error, the original Form 4 filed on January 3, 2020 listed the incorrect number of securities in columns 5, 7 and 9 of Table II. The shares of common stock underlying this stock option award vest as to 25% of the shares on the first anniversary of January 1, 2020 and the remaining shares vest in equal quarterly installments over the following three years thereafter. As noted in footnote 1, this Form 4/A amends the Form 4 filed on January 3, 2020 for this reporting person. /s/ Adam M. Veness, as attorney-in-fact for Jay T. Backstrom 2020-02-10