UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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FORM 8-K
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CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 19, 2021
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ACCELERON PHARMA INC.
(Exact name of Registrant as specified in its charter)
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| Delaware | | 001-36065 | | 27-0072226 |
(State or other jurisdiction of incorporation) | | (Commission File Number) | | (I.R.S. Employer Identification Number)
|
| 128 Sidney Street | | | | |
| Cambridge, | MA | | | | 02139 |
(Address of principal executive offices) | | | | (Zip Code) |
Registrant’s telephone number, including area code: (617) 649-9200
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Exchange Act:
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| Title of each class | Ticker Symbol(s) | Name of each exchange on which registered |
| Common Stock, $0.001 per share | XLRN | The Nasdaq Global Market |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 8.01 Other Events.
On May 19, 2021, Acceleron Pharma Inc. (the "Company") issued a press release titled "Acceleron Presents Interim Results from the Open-label Extension of the PULSAR Phase 2 Trial of Sotatercept in Patients with Pulmonary Arterial Hypertension (PAH) at the American Thoracic Society 2021 International Conference." A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.
On May 19, 2021, the Company also issued a press release titled "Acceleron Presents Preliminary Data from the SPECTRA Phase 2 Trial of Sotatercept in Pulmonary Arterial Hypertension (PAH) at the American Thoracic Society 2021 International Conference." A copy of the press release is attached as Exhibit 99.2 to this Current Report on Form 8-K and is incorporated herein by reference.
In addition, on May 19, 2021, the Company will host a previously announced conference call and webcast to review the presentations of sotatercept at the American Thoracic Society (ATS) 2021 International Conference. A copy of the slide presentation to be presented during this conference call and webcast is attached as Exhibit 99.3 to this Current Report on Form 8-K and is incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
| | | | | | | | |
| Exhibit Number | | Description of Exhibit |
| 99.1 | | |
| 99.2 | | |
| 99.3 | | |
| 104 | | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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| ACCELERON PHARMA INC. |
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| By: | /s/ Adam M. Veness, Esq. |
| | Adam M. Veness, Esq. |
| | Senior Vice President, General Counsel and Secretary |
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| Date: May 19, 2021 | | |
