bluebird bio Inc. Watch

Earnings Revised 11/14/24 bluebird bio, Inc., Q3 2024 Earnings Call, Nov 14, 2024 11/14/24 Other Revised 09/25/24 bluebird bio, Inc. - Special Call 09/24/24 Other Revised 09/05/24 bluebird bio, Inc. Presents at Morgan Stanley 22nd Annual Global Healthcare Conference, Sep-05-2024 05:35 PM 09/05/24 Earnings Revised 08/14/24 bluebird bio, Inc., Q2 2024 Earnings Call, Aug 14, 2024 08/14/24 Other Revised 06/12/24 bluebird bio, Inc. Presents at Goldman Sachs 45th Annual Global Healthcare Conference, Jun-12-2024 11:20 AM 06/12/24 Other Revised 10/21/24 bluebird bio, Inc. Presents at Bank of America Health Care Conference 2024, May-16-2024 10:00 AM 05/16/24 Earnings Revised 05/09/24 bluebird bio, Inc., Q1 2024 Earnings Call, May 09, 2024 05/09/24 Earnings Revised 09/23/24 bluebird bio, Inc., Q4 2023 Earnings Call, Mar 26, 2024 03/26/24 Other Revised 01/09/24 bluebird bio, Inc. Presents at J.P. Morgan 42nd Annual Healthcare Conference 2024, Jan-09-2024 10:30 AM 01/09/24

Other Revised 02/01/24 bluebird bio, Inc. - Shareholder/Analyst Call 12/08/23 Earnings Revised 01/18/24 bluebird bio, Inc., Q3 2023 Earnings Call, Nov 07, 2023 11/07/23 Other Revised 09/11/23 bluebird bio, Inc. Presents at Morgan Stanley 21st Annual Global Healthcare Conference 2023, Sep-11-2023 12:15 PM 09/11/23 Earnings Revised 10/03/23 bluebird bio, Inc., Q2 2023 Earnings Call, Aug 08, 2023 08/08/23 Other Revised 06/12/23 bluebird bio, Inc. Presents at Goldman Sachs 44th Annual Global Healthcare Conference, Jun-12-2023 04:40 PM 06/12/23 Other Revised 05/11/23 bluebird bio, Inc. Presents at Bank of America Securities 2023 Healthcare Conference, May-11-2023 08:15 AM 05/11/23 Earnings Revised 03/29/23 bluebird bio, Inc., Q4 2022 Earnings Call, Mar 29, 2023 03/29/23 Other Revised 01/12/23 bluebird bio, Inc. Presents at 41st Annual J.P. Morgan Healthcare Conference, Jan-12-2023 07:30 AM 01/12/23

Other Revised 11/08/22 bluebird bio, Inc. Presents at Credit Suisse 31st Annual Healthcare Conference, Nov-08-2022 05:00 PM 11/08/22 Other Revised 09/19/22 bluebird bio, Inc. - Special Call 09/19/22 Other Revised 09/13/22 bluebird bio, Inc. Presents at Morgan Stanley 20th Annual Global Healthcare Conference, Sep-13-2022 08:35 AM 09/13/22 Other Revised 08/18/22 bluebird bio, Inc. - Special Call 08/18/22 Other Revised 06/15/22 bluebird bio, Inc. Presents at Goldman Sachs 43rd Annual Global Healthcare Conference, Jun-15-2022 04:00 PM 06/15/22 Other Revised 05/11/22 bluebird bio, Inc. Presents at Bank of America 2022 Healthcare Conference, May-11-2022 03:20 PM 05/11/22 Other Revised 04/05/22 bluebird bio, Inc. - Shareholder/Analyst Call 04/05/22 Other Revised 01/12/22 bluebird bio, Inc. Presents at JPMorgan 40th Annual Healthcare Conference, Jan-12-2022 03:45 PM 01/12/22

Other Revised 11/18/21 bluebird bio, Inc. - Shareholder/Analyst Call 11/18/21 Other Revised 09/22/21 bluebird bio, Inc. - Special Call 09/22/21 Other Revised 09/21/21 bluebird bio, Inc. - Special Call 09/21/21 Other Revised 09/10/21 bluebird bio, Inc. Presents at Morgan Stanley 19th Annual Global Healthcare Conference, Sep-10-2021 10:15 AM 09/10/21 Other Revised 08/11/21 bluebird bio, Inc. Presents at 12th Annual Wedbush PacGrow Healthcare Virtual Conference, Aug-11-2021 12:00 PM 08/11/21 Earnings Revised 08/09/21 bluebird bio, Inc., Q2 2021 Earnings Call, Aug 09, 2021 08/09/21 Other Revised 06/08/21 bluebird bio, Inc. Presents at Goldman Sachs 42nd Annual Global Healthcare Conference, Jun-08-2021 08:50 AM 06/08/21 Other Revised 05/19/21 bluebird bio, Inc. Presents at RBC Capital Markets 2021 Global Healthcare Conference, May-19-2021 01:55 PM 05/19/21 Other Revised 05/13/21 bluebird bio, Inc. Presents at BofA Securities 2021 Virtual Health Care Conference, May-13-2021 09:30 AM 05/13/21 Other Revised 04/28/21 bluebird bio, Inc. Presents at World Orphan Drug Congress, Apr-28-2021 12:30 PM 04/28/21 Other Revised 03/10/21 bluebird bio, Inc. - Special Call 03/10/21 Other Revised 03/03/21 bluebird bio, Inc. Presents at Cowen 41st Annual Health Care Conference, Mar-03-2021 02:40 PM 03/03/21 Other Revised 02/25/21 bluebird bio, Inc. Presents at SVB Leerink 10th Annual Global Healthcare Conference 2021, Feb-25-2021 12:00 PM 02/25/21 Other Revised 02/16/21 bluebird bio, Inc. - Special Call 02/16/21 Other Revised 01/11/21 bluebird bio, Inc. Presents at 39th Annual JPMorgan Virtual Healthcare Conference, Jan-11-2021 11:50 AM 01/11/21 Other Revised 01/11/21 bluebird bio, Inc. - Special Call 01/11/21

Other Revised 12/07/20 bluebird bio, Inc. - Special Call 12/07/20 Other Revised 11/16/20 bluebird bio, Inc. Presents at Barclays Virtual Gene Editing & Gene Therapy Summit, Nov-16-2020 07:45 AM 11/16/20 Other Revised 11/13/20 bluebird bio, Inc. Presents at Cowen Virtual 2020 IO Next Summit, Nov-13-2020 11:15 AM 11/13/20 Earnings Revised 11/04/20 bluebird bio, Inc., Q3 2020 Earnings Call, Nov 04, 2020 11/04/20 Other Revised 10/06/20 bluebird bio, Inc. Presents at Jefferies Cell Therapy Summit 2020, Oct-06-2020 02:00 PM 10/06/20 Other Revised 09/18/20 bluebird bio, Inc. Presents at BofA Global Healthcare Conference, Sep-18-2020 02:05 PM 09/18/20 Other Revised 09/15/20 bluebird bio, Inc. Presents at Morgan Stanley 18th Annual Global Healthcare Conference, Sep-15-2020 01:15 PM 09/15/20 Other Revised 09/10/20 bluebird bio, Inc. Presents at Wells Fargo Securities 2020 Virtual Healthcare Conference, Sep-10-2020 04:00 PM 09/10/20 Other Revised 08/12/20 bluebird bio, Inc. Presents at Canaccord Genuity 40th Annual Growth Conference, Aug-12-2020 10:30 AM 08/12/20 Other Revised 06/18/20 bluebird bio, Inc. - Shareholder/Analyst Call 06/18/20 Other Revised 06/12/20 bluebird bio, Inc. - Special Call 06/12/20 Other Revised 06/10/20 bluebird bio, Inc. Presents at Goldman Sachs 41st Annual Global Healthcare Conference, Jun-10-2020 06:40 AM 06/10/20 Other Revised 06/04/20 bluebird bio, Inc. Presents at Jefferies Global Healthcare Conference 2020, Jun-04-2020 03:30 PM 06/04/20 Other Revised 05/14/20 bluebird bio, Inc. Presents at BofA Securities 2020 Health Care Conference, May-14-2020 10:20 AM 05/14/20 Other Revised 05/13/20 bluebird bio, Inc. - Special Call 05/13/20 Earnings Revised 05/11/20 bluebird bio, Inc., Q1 2020 Earnings Call, May 11, 2020 05/11/20 Other Revised 03/26/20 bluebird bio, Inc. - Special Call 03/26/20 Other Revised 03/03/20 bluebird bio, Inc. Presents at Cowen and Company 40th Annual Health Care Conference, Mar-03-2020 08:00 AM 03/03/20 Other Revised 02/26/20 bluebird bio, Inc. Presents at 9th Annual SVB Leerink Global Healthcare Conference, Feb-26-2020 02:30 PM 02/26/20 Other Revised 01/14/20 bluebird bio, Inc. Presents at 38th Annual J.P Morgan Healthcare Conference, Jan-13-2020 through Jan-16-2020 01/14/20 Other Revised 01/09/20 bluebird bio, Inc. Presents at Goldman Sachs 12th Annual Healthcare CEOs Unscripted: A View from the Top Conference, Jan-09-2020 02:00 PM 01/09/20

Other Revised 12/09/19 bluebird bio, Inc. - Special Call 12/09/19 Other Revised 10/02/19 bluebird bio, Inc. Presents at Medicine Cell & Gene Meeting on the Mesa, Oct-02-2019 through Oct-04-2019 10/02/19 Other Revised 09/11/19 bluebird bio, Inc. Presents at Morgan Stanley 17th Annual Global Healthcare Conference, Sep-11-2019 10:30 AM 09/11/19 Other Revised 09/04/19 bluebird bio, Inc. Presents at Citi's 14th Annual Biotech Conference, Sep-04-2019 08:00 AM 09/04/19 Other Revised 06/14/19 bluebird bio, Inc. Presents at 24th Annual Congress of the European Hematology Association, Jun-14-2019 02:00 PM 06/14/19 Other Revised 06/11/19 bluebird bio, Inc. Presents at 40th Annual Goldman Sachs Global Healthcare Conference, Jun-11-2019 10:00 AM 06/11/19 Other Revised 06/04/19 bluebird bio, Inc. Presents at Jefferies 2019 Healthcare Conference, Jun-04-2019 11:30 AM 06/04/19 Other Revised 05/14/19 bluebird bio, Inc. Presents at Bank of America Merrill Lynch 2019 Healthcare Conference, May-14-2019 03:00 PM 05/14/19 Other Revised 05/09/19 bluebird bio, Inc. - Analyst/Investor Day 05/09/19 Other Revised 04/23/19 bluebird bio, Inc. Presents at The Cell & Gene Meeting on the Mediterranean, Apr-23-2019 through Apr-25-2019 04/23/19 Other Revised 03/21/19 bluebird bio, Inc. Presents at Alliance for Regenerative Medicine Cell & Gene Investor Day, Mar-21-2019 03/21/19 Other Revised 03/14/19 bluebird bio, Inc. Presents at Barclays Global Healthcare Conference 2019, Mar-14-2019 01:05 PM 03/14/19 Other Revised 03/12/19 bluebird bio, Inc. Presents at 39th Annual Cowen Health Care Conference, Mar-12-2019 08:40 AM 03/12/19 Other Revised 01/08/19 bluebird bio, Inc. Presents at The 37th Annual J.P. Morgan Healthcare Conference, Jan-07-2019 through Jan-10-2019 01/08/19 Other Revised 01/07/19 bluebird bio, Inc. Presents at 2019 Cell & Gene Therapies State of the Industry Briefing, Jan-07-2019 09:05 AM 01/07/19

Other Revised 12/03/18 bluebird bio, Inc. - Shareholder/Analyst Call 12/03/18 Other Revised 11/28/18 bluebird bio, Inc. Presents at Evercore HEALTHCONx Healthcare Conference, Nov-28-2018 04:15 PM 11/28/18 Earnings Revised 11/02/18 bluebird bio, Inc., Q3 2018 Earnings Call, Nov 02, 2018 11/02/18 Other Revised 10/03/18 bluebird bio, Inc. Presents at Leerink Partners Roundtable Series: Rare Disease & Oncology 2018, Oct-03-2018 03:30 PM 10/03/18 Other Revised 10/03/18 bluebird bio, Inc. Presents at Cell & Gene Meeting on the Mesa, Oct-03-2018 through Oct-05-2018 10/03/18 Other Revised 09/13/18 bluebird bio, Inc. Presents at Morgan Stanley 16th Annual Global Healthcare Conference, Sep-13-2018 12:20 PM 09/13/18 Other Revised 09/06/18 bluebird bio, Inc. Presents at 2018 Wells Fargo Securities Healthcare Conference, Sep-06-2018 10:55 AM 09/06/18 Other Revised 09/05/18 bluebird bio, Inc. Presents at Citi's 13th Annual Biotech Conference, Sep-05-2018 10:30 AM 09/05/18 Other Revised 08/14/18 bluebird bio, Inc. Presents at 2018 Wedbush PacGrow Healthcare Conference, Aug-14-2018 02:30 PM 08/14/18 Other Revised 06/15/18 bluebird bio, Inc. - Special Call 06/15/18 Other Revised 06/12/18 bluebird bio, Inc. Presents at Goldman Sachs 39th Annual Global Healthcare Conference, Jun-12-2018 11:20 AM 06/12/18 Other Revised 06/01/18 bluebird bio, Inc. - Special Call 06/01/18 Other Revised 05/15/18 bluebird bio, Inc. Presents at Bank of America Merrill Lynch 2018 Healthcare Conference, May-15-2018 02:20 PM 05/15/18 Other Revised 05/09/18 bluebird bio, Inc. Presents at 43rd annual Deutsche Bank Healthcare Conference, May-09-2018 10:00 AM 05/09/18 Other Revised 03/15/18 bluebird bio, Inc. Presents at Barclays Global Healthcare Conference 2018, Mar-15-2018 01:05 PM 03/15/18 Other Revised 01/09/18 bluebird bio, Inc. Presents at 36th Annual J.P. Morgan Healthcare Conference, Jan-09-2018 07:30 AM 01/09/18

Other Revised 12/10/17 bluebird bio, Inc. - Shareholder/Analyst Call 12/10/17 Other Revised 11/07/17 bluebird bio, Inc. Presents at Credit Suisse 26th Annual Healthcare Conference, Nov-07-2017 02:45 PM 11/07/17 Earnings Revised 11/01/17 bluebird bio, Inc., Q3 2017 Earnings Call, Nov 01, 2017 11/01/17 Other Revised 09/13/17 bluebird bio, Inc. Presents at Morgan Stanley 15th Annual Global Healthcare Conference, Sep-13-2017 09:55 AM 09/13/17 Other Revised 06/23/17 bluebird bio, Inc. - Special Call 06/23/17 Other Revised 06/14/17 bluebird bio, Inc. Presents at Goldman Sachs 38th Annual Global Healthcare Conference, Jun-14-2017 10:40 AM 06/14/17 Other Revised 06/09/17 bluebird bio, Inc. Presents at Jefferies 2017 Global Healthcare Conference, Jun-09-2017 09:30 AM 06/09/17 Other Revised 06/05/17 bluebird bio, Inc. - Special Call 06/05/17 Other Revised 05/17/17 bluebird bio, Inc. Presents at Bank of America Merrill Lynch 2017 Healthcare Conference, May-17-2017 04:20 PM 05/17/17 Other Revised 04/27/17 bluebird bio, Inc. Presents at ARM's 5th Annual Cell & Gene Therapy Investor Day, Apr-27-2017 04/27/17 Other Revised 03/14/17 bluebird bio, Inc. Presents at Barclays Global Healthcare Conference 2017, Mar-14-2017 10:15 AM 03/14/17 Other Revised 03/07/17 bluebird bio, Inc. Presents at Cowen and Company 37th Annual Health Care Conference, Mar-07-2017 08:40 AM 03/07/17 Other Revised 01/11/17 bluebird bio, Inc. Presents at 35th Annual JP Morgan Healthcare Conference, Jan-11-2017 10:00 AM 01/11/17

Other Revised 12/01/16 bluebird bio, Inc. - Special Call 12/01/16 Other Revised 11/08/16 bluebird bio, Inc. Presents at Credit Suisse 25th Annual Healthcare Conference, Nov-08-2016 03:00 PM 11/08/16 Other Revised 10/13/16 bluebird bio, Inc. - Special Call 10/13/16 Other Revised 09/13/16 bluebird bio, Inc. Presents at The 2016 Morgan Stanley Global Healthcare Conference, Sep-13-2016 04:05 PM 09/13/16 Other Revised 09/07/16 bluebird bio, Inc. Presents at Citi's 11th Annual Biotech Conference - Boston, Sep-07-2016 01:00 PM 09/07/16 Other Revised 06/08/16 bluebird bio, Inc. Presents at Goldman Sachs 37th Annual Global Healthcare Conference, Jun-08-2016 08:00 AM 06/08/16 Other Revised 05/11/16 bluebird bio, Inc. Presents at Bank of America Merrill Lynch 2016 Healthcare Conference, May-11-2016 02:20 PM 05/11/16 Other Revised 05/04/16 bluebird bio, Inc. Presents at Deutsche Bank 41st Annual Health Care Conference 2016, May-04-2016 02:10 PM 05/04/16 Other Revised 04/20/16 bluebird bio, Inc. - Special Call 04/20/16 Other Revised 03/09/16 bluebird bio, Inc. Presents at Cowen and Company 36th Annual Health Care Conference, Mar-09-2016 10:00 AM 03/09/16 Other Revised 01/12/16 bluebird bio, Inc. Presents at JPMorgan 34th Annual Healthcare Conference, Jan-12-2016 04:00 PM 01/12/16

Other Revised 11/10/15 bluebird bio, Inc. Presents at Credit Suisse 24th Annual Healthcare Conference, Nov-10-2015 08:30 AM 11/10/15 Other Revised 09/18/15 bluebird bio, Inc. Presents at Morgan Stanley Global Healthcare Conference - New York, Sep-18-2015 08:45 AM 09/18/15 Other Revised 06/15/15 bluebird bio, Inc. - Special Call 06/15/15 Other Revised 06/03/15 bluebird bio, Inc. - Special Call 06/03/15 Other Revised 05/19/15 bluebird bio, Inc. - Special Call 05/19/15 Other Revised 05/12/15 bluebird bio, Inc. Presents at Bank of America Merrill Lynch 2015 Health Care Conference, May-12-2015 04:20 PM 05/12/15 Other Revised 05/07/15 bluebird bio, Inc. Presents at 40th Annual Deutsche Bank Health Care Conference, May-07-2015 08:40 AM 05/07/15 Other Revised 03/03/15 bluebird bio, Inc. Presents at Cowen and Company 35th Annual Healthcare Conference, Mar-03-2015 11:20 AM 03/03/15 Other Revised 01/14/15 bluebird bio, Inc. Presents at 33rd Annual J.P. Morgan Healthcare Conference, Jan-14-2015 02:30 PM 01/14/15

Other Revised 12/10/14 bluebird bio, Inc. - Special Call 12/10/14 Other Revised 12/01/14 bluebird bio, Inc. Presents at 7th Annual 2014 Deutsche Bank BioFEST, Dec-01-2014 09:50 AM 12/01/14 Other Revised 11/13/14 bluebird bio, Inc. Presents at Credit Suisse Annual Healthcare Conference, Nov-13-2014 08:00 AM 11/13/14 Other Revised 06/30/14 bluebird bio, Inc., Precision Genome Engineering, Inc. - M&A Call 06/30/14 Other Revised 06/16/14 bluebird bio, Inc. - Special Call 06/16/14