Filing Details

Accession Number:
0001179110-16-022919
Form Type:
4
Zero Holdings:
No
Publication Time:
2016-04-08 16:03:26
Reporting Period:
2016-04-07
Filing Date:
2016-04-08
Accepted Time:
2016-04-08 16:03:26
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1280600 Acceleron Pharma Inc XLRN Biological Products, (No Disgnostic Substances) (2836) 000000000
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1586752 D Steven Ertel 128 Sidney Street
Cambridge MA 02139
Evp & Chief Operating Officer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2016-04-07 3,942 $5.28 131,098 No 4 M Direct
Common Stock Acquisiton 2016-04-07 12,500 $7.12 143,598 No 4 M Direct
Common Stock Acquisiton 2016-04-07 2,344 $5.08 145,942 No 4 M Direct
Common Stock Acquisiton 2016-04-07 13,484 $3.88 159,426 No 4 M Direct
Common Stock Disposition 2016-04-07 32,270 $32.00 127,156 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
No 4 M Direct
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Option to Purchase Common Stock Disposition 2016-04-07 3,942 $0.00 3,942 $5.28
Common Stock Option to Purchase Common Stock Disposition 2016-04-07 12,500 $0.00 12,500 $7.12
Common Stock Option to Purchase Common Stock Disposition 2016-04-07 2,344 $0.00 2,344 $5.08
Common Stock Option to Purchase Common Stock Disposition 2016-04-07 13,484 $0.00 13,484 $3.88
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
28,365 2021-12-16 No 4 M Direct
12,500 2022-12-12 No 4 M Direct
0 2018-03-27 No 4 M Direct
10,209 2020-12-02 No 4 M Direct
Footnotes
  1. The reported transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
  2. The options of registrant's common stock vest in equal quarterly installments over the first four years after the grant.