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    Acceleron Pharma Inc.

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    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of therapeutics to treat serious and rare diseases. It offers REBLOZYL (luspatercept-aamt), a first-in-class erythroid maturation agent, for the treatment of anemia in adult patients with beta-thalassemia and transfusion-dependent anemia. The company is also developing Sotatercept, an activin receptor type IIA fusion protein, for the treatment of patients with pulmonary arterial hypertension; ACE-1334, a pulmonary therapeutic candidate that is in Phase I clinical trials; and luspatercept-aamt for non-transfusion-dependent beta-thalassemia patients and lower-risk myelodysplastic syndrome patients. It has a license agreements with the Salk Institute for Biological Studies for the cloning of type II activin receptors; and license agreement with Fulcrum Therapeutics, Inc. to identify small molecules designed to modulate specific pathways associated with a targeted indication within the pulmonary disease space. The company was formerly known as Phoenix Pharma, Inc. Acceleron Pharma Inc. was incorporated in 2003 and is headquartered in Cambridge, Massachusetts.

    IPO Year: 2013

    Exchange: NASDAQ

    Website: acceleronpharma.com

    Recent Analyst Ratings for Acceleron Pharma Inc.

    DatePrice TargetRatingAnalyst
    10/7/2021$180.00Hold
    Jefferies
    10/4/2021Strong Buy → Market Perform
    Raymond James
    10/1/2021$180.00Overweight → Equal-Weight
    Morgan Stanley
    10/1/2021$150.00 → $180.00Overweight → Equal-Weight
    Barclays
    10/1/2021$173.00 → $180.00Outperform → Market Perform
    Cowen & Co.
    9/30/2021$168.00 → $180.00Buy → Neutral
    HC Wainwright & Co.
    9/30/2021$146.00 → $180.00Overweight → Neutral
    Piper Sandler
    9/30/2021$148.00 → $180.00Market Perform
    SVB Leerink
    9/27/2021$113.00 → $179.00Sector Perform
    RBC Capital
    7/19/2021$183.00Outperform
    Wolfe Research
    See more ratings

    Acceleron Pharma Inc. FDA approvals

    Live FDA approvals issued by the Food and Drug Administration and FDA breaking news

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    April 28, 2021 - FDA Takes Action For Failure to Submit Required Clinical Trial Results Information to ClinicalTrials.Gov

    For Immediate Release: April 28, 2021 Statement From: Statement Author Leadership Role Acting Commissioner of Food and Drugs - Food and Drug Administration Janet Woodcock M.D. Being transparent about the results of completed clinical trials enables important a

    4/28/21 1:06:44 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma Inc. Press Releases

    Fastest customizable press release news feed in the world

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    Qiming Venture Partners USA Announces $260 Million US Healthcare Fund III and Addition of New Partner, Isaac Ciechanover

    Fund III will be invested in early-stage therapeutics and healthcare technology companies Qiming Venture Partners USA (Qiming US), a leading US healthcare investment firm, today announced the closing of its third fund, raising $260 million in an oversubscribed fundraise with strong support from new and existing investors. Qiming US will continue to execute on the same strategy as previous funds, deploying Fund III in early-stage therapeutics and healthcare technology companies in the US and EU that aim to improve patient outcomes and address unmet medical needs. "We are incredibly proud of the entrepreneurs and healthcare innovations we have supported in just a few short years, and we are

    6/2/22 8:00:00 AM ET
    $AGIO
    $ARRY
    $ATRA
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Miscellaneous manufacturing industries
    Consumer Discretionary

    Merck Completes Acquisition of Acceleron Pharma Inc.

    Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced the successful completion of the acquisition of Acceleron Pharma Inc. (NASDAQ:XLRN). "This is an important and strategic opportunity for our company to continue growing our cardiovascular portfolio and pipeline, that builds on our long and proud legacy in cardiovascular disease and further bolsters our business development strategy," said Rob Davis, chief executive officer and president, Merck. "Fueled by Acceleron's groundbreaking research, we are excited to explore the opportunities and possibilities ahead to reach even more patients by addressing this critical health need." Acceleron is focused on harn

    11/22/21 6:45:00 AM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Merck Completes Tender Offer to Acquire Acceleron Pharma Inc.

    Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced the successful completion of the cash tender offer, through a subsidiary, Astros Merger Sub, Inc., for all of the outstanding shares of common stock of Acceleron Pharma Inc. (NASDAQ:XLRN), at a purchase price of $180 per share in cash, without interest and less applicable tax withholding. As of the tender offer expiration at 5:00 p.m., Eastern Time, on Nov. 19, 2021, 38,752,614 shares of common stock of Acceleron were validly tendered and not withdrawn from the tender offer, representing approximately 63.3% of the total number of Acceleron's outstanding shares. All such shares have been accepted for payment

    11/19/21 6:06:00 PM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Avoro Capital Urges Acceleron Shareholders Not to Tender Into Merck's Inadequate Offer

    Believes Transaction Comes at the Wrong Time, With the Wrong Price, and Following the Wrong Process Remains Confident in Company's Standalone Opportunities – Given Strong Momentum and Near-Term Inflection Point Coming from Phase 3 Data Stands Ready to Help an Independent Acceleron Succeed Avoro Capital Advisors ("Avoro"), a long-term and collaborative investor in life sciences and biotechnology companies, together with certain of its affiliates and managed funds ("Avoro," "we" or "us") beneficially owns approximately 7% of Acceleron Pharma Inc. (NASDAQ:XLRN) ("Acceleron," "XLRN" or the "Company"), making Avoro one of the Company's most significant shareholders. Avoro today issued the fol

    11/17/21 2:26:00 PM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Merck Announces Expiration of Hart-Scott-Rodino Act Waiting Period and Extension of Tender Offer to Acquire Acceleron Pharma Inc.

    Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended ("HSR"), in connection with Merck's pending acquisition of Acceleron Pharma Inc. (NASDAQ:XLRN) expired at 11:59 p.m., Eastern Time, on Nov. 16, 2021. As previously announced on Oct. 12, 2021, Merck commenced, through a subsidiary, Astros Merger Sub, Inc., a cash tender offer to purchase all outstanding shares of common stock of Acceleron, for $180 in cash, without interest and less any required tax withholding. The expiration of the HSR waiting period satisfies one of the conditions necessary for the consumma

    11/17/21 6:45:00 AM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Avoro Capital Releases Presentation Detailing Why Acceleron Shareholders Should Not Tender Into Merck's Inadequate Offer

    Believes Now Is the Wrong Time to Cash out of Acceleron, Given Company's Strong Momentum and Near-Term Inflection Point Coming from Phase 3 Data Sees Continuing as Standalone Entity as Clearly Superior Path for Acceleron Highlights What It Believes Was a Flawed and Inadequate Sale Process, Including Not Pursuing Other Strategic Alternatives Avoro Stands Ready to Support an Independent Acceleron Avoro Capital Advisors ("Avoro"), a long-term and collaborative investor in life sciences and biotechnology companies, together with certain of its affiliates and managed funds ("Avoro," "we" or "us") beneficially owns approximately 7% of Acceleron Pharma Inc. (NASDAQ:XLRN) ("Acceleron", "XLRN" o

    11/9/21 5:31:00 PM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Merck Announces Receipt of Antitrust Clearance in Germany and Austria Relating to Tender Offer to Acquire Acceleron Pharma Inc.

    Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced that its pending acquisition of Acceleron Pharma Inc. (NASDAQ:XLRN) has been cleared by the competition authorities in Germany and Austria. As previously announced on October 12, 2021, Merck commenced, through a subsidiary, a cash tender offer to purchase all outstanding shares of common stock of Acceleron, for $180 in cash, without interest and less any required tax withholding. The receipt of antitrust clearance from the competition authorities in Germany and Austria satisfies one of the conditions necessary for the consummation of the tender offer. Consummation of the tender offer remains subject to oth

    11/8/21 4:30:00 PM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Merck Announces Withdrawal and Refiling under the Hart-Scott-Rodino Act and Extension of Tender Offer to Acquire Acceleron Pharma Inc.

    Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced that it has withdrawn its Premerger Notification and Report Form under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), in connection with Merck's pending acquisition of Acceleron Pharma Inc. (NASDAQ:XLRN). As previously announced on October 12, 2021, Merck commenced, through a subsidiary, Astros Merger Sub, Inc., a cash tender offer to purchase all outstanding shares of common stock of Acceleron, for $180 in cash, without interest and less any required tax withholding. Merck has elected to withdraw its Premerger Notification and Report Form, which was initially filed o

    10/29/21 4:34:00 PM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Avoro Capital Issues Open Letter to Fellow Acceleron Pharma Shareholders

    Remains Opposed to Sale of Acceleron to Merck at Current Price and Plans Not to Tender Its Shares Believes Company Has Strong Momentum and Continuing as Standalone Entity is Superior Path to a Transaction at the Proposed Price, Particularly with Major Value Inflection Point Coming from Phase 3 Data Outlines Alternatives by Which Acceleron Could Maximize Shareholder Value as Independent Company, Including by Monetizing Royalties Ready and Willing to Assist with Change in Board Composition to Better Position Company for Go-Forward Strategy Avoro Capital Advisors ("Avoro"), a long-term and collaborative investor in life sciences and biotechnology companies, beneficially owns approximately

    10/28/21 8:00:00 AM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Darwin Global Urges Acceleron Shareholders Not to Tender Their Shares to Merck

    Believes proposed $180/share offer price is too low and that Acceleron's share price as a standalone company will exceed offer price by at least 2-2.5x Darwin Global Management Limited ("Darwin Global"), a long-term investor in the biotechnology and pharmaceutical sector and beneficial owner of 2,345,620 shares of common stock of Acceleron Pharma Inc. (NASDAQ:XLRN) ("Acceleron" or the "Company"), representing approximately 3.84% of the total outstanding shares of the Company's common stock, today issued the following letter to Acceleron shareholders. In the letter, Darwin Global urges shareholders not to tender their shares to Merck (NYSE:MRK) ("Merck") in connection with its planned acqui

    10/20/21 8:00:00 AM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Acceleron Pharma Inc. Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

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    Acceleron Pharma Inc. SEC Filings

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    Acceleron Pharma Inc. Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

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    SEC Form 4: Zakrzewski Joseph S closing all direct ownership in the company to cover withholding tax

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:12:32 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Malik Kemal closing all direct ownership in the company (withholding obligation)

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:11:36 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Hite Christopher closing all direct ownership in the company to satisfy withholding tax

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:10:42 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Smith Karen L. closing all direct ownership in the company to satisfy withholding tax

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:09:56 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Mccourt Thomas A closing all direct ownership in the company (tax liability)

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:08:56 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Kearney Terrence C closing all direct ownership in the company (for tax liability)

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:08:11 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Hamill Laura closing all direct ownership in the company (tax liability)

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:07:24 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Nader Francois closing all direct ownership in the company to cover withholding tax

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:06:36 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Veness Adam M closing all direct ownership in the company (for tax liability)

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:05:46 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4: Kango Sujay closing all direct ownership in the company (for tax liability)

    4 - ACCELERON PHARMA INC (0001280600) (Issuer)

    11/22/21 9:04:55 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 15-12B filed by Acceleron Pharma Inc.

    15-12B - ACCELERON PHARMA INC (0001280600) (Filer)

    12/2/21 9:00:53 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma Inc. filed SEC Form 8-K: Completion of Acquisition or Disposition of Assets, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Material Modification to Rights of Security Holders, Changes in Control of Registrant, Leadership Update, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

    8-K - ACCELERON PHARMA INC (0001280600) (Filer)

    11/22/21 8:52:10 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 25-NSE filed by Acceleron Pharma Inc.

    25-NSE - ACCELERON PHARMA INC (0001280600) (Subject)

    11/22/21 8:41:23 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 14D9/A filed by Acceleron Pharma Inc. (Amendment)

    SC 14D9/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/22/21 7:02:02 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC TO-T/A filed by Acceleron Pharma Inc. (Amendment)

    SC TO-T/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/22/21 7:01:29 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 14D9/A filed by Acceleron Pharma Inc. (Amendment)

    SC 14D9/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/17/21 4:26:46 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC TO-T/A filed by Acceleron Pharma Inc. (Amendment)

    SC TO-T/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/17/21 7:25:40 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 14D9/A filed by Acceleron Pharma Inc. (Amendment)

    SC 14D9/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/17/21 7:00:23 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 14D9/A filed by Acceleron Pharma Inc. (Amendment)

    SC 14D9/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/12/21 7:00:48 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 14D9/A filed by Acceleron Pharma Inc. (Amendment)

    SC 14D9/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/10/21 11:36:09 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Jefferies initiated coverage on Acceleron Pharma with a new price target

    Jefferies initiated coverage of Acceleron Pharma with a rating of Hold and set a new price target of $180.00

    10/7/21 5:00:35 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma downgraded by Raymond James

    Raymond James downgraded Acceleron Pharma from Strong Buy to Market Perform

    10/4/21 7:15:08 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma downgraded by Morgan Stanley with a new price target

    Morgan Stanley downgraded Acceleron Pharma from Overweight to Equal-Weight and set a new price target of $180.00

    10/1/21 12:38:51 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma downgraded by Barclays with a new price target

    Barclays downgraded Acceleron Pharma from Overweight to Equal-Weight and set a new price target of $180.00 from $150.00 previously

    10/1/21 7:10:40 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma downgraded by Cowen & Co. with a new price target

    Cowen & Co. downgraded Acceleron Pharma from Outperform to Market Perform and set a new price target of $180.00 from $173.00 previously

    10/1/21 5:30:42 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma downgraded by HC Wainwright & Co. with a new price target

    HC Wainwright & Co. downgraded Acceleron Pharma from Buy to Neutral and set a new price target of $180.00 from $168.00 previously

    9/30/21 11:48:10 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma downgraded by Piper Sandler with a new price target

    Piper Sandler downgraded Acceleron Pharma from Overweight to Neutral and set a new price target of $180.00 from $146.00 previously

    9/30/21 9:28:42 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SVB Leerink reiterated coverage on Acceleron Pharma with a new price target

    SVB Leerink reiterated coverage of Acceleron Pharma with a rating of Market Perform and set a new price target of $180.00 from $148.00 previously

    9/30/21 8:33:16 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    RBC Capital reiterated coverage on Acceleron Pharma with a new price target

    RBC Capital reiterated coverage of Acceleron Pharma with a rating of Sector Perform and set a new price target of $179.00 from $113.00 previously

    9/27/21 6:30:37 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Wolfe Research resumed coverage on Acceleron Pharma with a new price target

    Wolfe Research resumed coverage of Acceleron Pharma with a rating of Outperform and set a new price target of $183.00

    7/19/21 7:44:19 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Acceleron Pharma Inc. Financials

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    Avoro Capital Issues Open Letter to Fellow Acceleron Pharma Shareholders

    Remains Opposed to Sale of Acceleron to Merck at Current Price and Plans Not to Tender Its Shares Believes Company Has Strong Momentum and Continuing as Standalone Entity is Superior Path to a Transaction at the Proposed Price, Particularly with Major Value Inflection Point Coming from Phase 3 Data Outlines Alternatives by Which Acceleron Could Maximize Shareholder Value as Independent Company, Including by Monetizing Royalties Ready and Willing to Assist with Change in Board Composition to Better Position Company for Go-Forward Strategy Avoro Capital Advisors ("Avoro"), a long-term and collaborative investor in life sciences and biotechnology companies, beneficially owns approximately

    10/28/21 8:00:00 AM ET
    $MRK
    $XLRN
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Biotechnology: Biological Products (No Diagnostic Substances)

    Bristol Myers Squibb Reports Second Quarter Financial Results for 2021

    Reports Second Quarter Revenues of $11.7 Billion, an Increase of 16% YoY, or 13% When Adjusted for Foreign Exchange Posts Second Quarter Earnings Per Share of $0.47 and Non-GAAP EPS of $1.93 Delivers Strong Commercial Performance, Including Opdivo's Return to Growth and Momentum across New Product Portfolio Achieves Significant Regulatory and Clinical Milestones across Product Pipeline Further Strengthens Pipeline through Disciplined Business Development Agreements, including with Agenus and Eisai Adjusts GAAP and Reaffirms Non-GAAP EPS Guidance for 2021 Bristol Myers Squibb (NYSE:BMY) today reports results for the second quarter of 2021, which reflect robust product sales, co

    7/28/21 6:59:00 AM ET
    $XLRN
    $BMY
    $BLUE
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Biotechnology: Pharmaceutical Preparations

    Acceleron Pharma Inc. Large Ownership Changes

    This live feed shows all institutional transactions in real time.

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    SEC Form SC 13D/A filed by Acceleron Pharma Inc. (Amendment)

    SC 13D/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/24/21 3:48:08 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 13G/A filed by Acceleron Pharma Inc. (Amendment)

    SC 13G/A - ACCELERON PHARMA INC (0001280600) (Subject)

    11/10/21 12:24:23 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 13D filed by Acceleron Pharma Inc.

    SC 13D - ACCELERON PHARMA INC (0001280600) (Subject)

    10/5/21 12:30:20 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 13G/A filed

    SC 13G/A - ACCELERON PHARMA INC (0001280600) (Subject)

    2/16/21 12:23:58 PM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 13G/A filed

    SC 13G/A - ACCELERON PHARMA INC (0001280600) (Subject)

    2/10/21 10:30:26 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form SC 13G/A filed

    SC 13G/A - ACCELERON PHARMA INC (0001280600) (Subject)

    2/8/21 10:15:36 AM ET
    $XLRN
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care