| Date Filed | Type | Description |
| 05/29/2019 |
GN
| SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of ImmunoGen, Inc. IMGN |
| 05/15/2019 |
GN
| SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of ImmunoGen, Inc. IMGN |
| 08/06/2018 |
GN
| Investor Expectations to Drive Momentum within Ingevity, First Industrial Realty Trust, ImmunoGen, PriceSmart, Pacific Gas & Electric, and Procter & Gamble — Discovering Underlying Factors of Influence |
| 05/04/2018 |
BW
| ImmunoGen Reports Recent Progress and First Quarter 2018 Operating Results |
| 04/20/2018 |
BW
| ImmunoGen Announces Conference Call to Discuss Its First Quarter 2018 Operating Results |
| 02/15/2018 |
GN
| Detailed Research: Economic Perspectives on Carbo Ceramics, Consolidated Communications, Catalyst Pharmaceuticals, Office Depot, ImmunoGen, and Cedar Realty Trust — What Drives Growth in Today's Competitive Landscape |
| 02/09/2018 |
BW
| ImmunoGen Reports Pipeline Progress and 2017 Operating Results |
| 01/26/2018 |
BW
| ImmunoGen Announces Conference Call to Discuss Its 2017 Operating Results |
| 01/02/2018 |
BW
| ImmunoGen Announces Webcast of Presentation and Q&A at the 36th Annual J.P. Morgan Healthcare Conference |
| 11/03/2017 |
BW
| ImmunoGen Reports Recent Progress and Third Quarter 2017 Operating Results |
| 10/20/2017 |
BW
| ImmunoGen Announces Conference Call to Discuss Its Third Quarter 2017 Financial Results |
| 07/28/2017 |
BW
| ImmunoGen Reports Recent Progress and Second Quarter 2017 Operating Results |
| 07/14/2017 |
BW
| ImmunoGen Announces Conference Call to Discuss Its Second Quarter 2017 Financial Results |
| 05/24/2017 |
BW
| ImmunoGen Announces Webcast of Presentation at the Jefferies Global Healthcare Conference |
| 05/05/2017 |
BW
| ImmunoGen Reports Recent Progress and First Quarter 2017 Operating Results |
| 04/21/2017 |
BW
| ImmunoGen Announces Conference Call to Discuss Its First Quarter 2017 Financial Results |
| 02/17/2017 |
BW
| ImmunoGen Reports Recent Progress and Operating Results for Six-Month Period and Quarter Ended December 31, 2016 |
| 02/02/2017 |
BW
| ImmunoGen Announces Webcasts of Presentations at Upcoming Investor Conferences |
| 01/30/2012 |
GN
| ImmunoGen, Inc. Announces Addition of Kristine Peterson and Dean Mitchell to Its Board of Directors |
| 01/27/2012 |
GN
| ImmunoGen, Inc. Reports Second Quarter Fiscal Year 2012 Financial Results and Provides Quarterly Update |
| 01/03/2012 |
GN
| ImmunoGen, Inc. Announces Webcast of Presentation at the J.P. Morgan 30th Annual Healthcare Conference |
| 12/20/2011 |
GN
| ImmunoGen, Inc. Announces Antibody-Drug Conjugate Collaboration With Lilly |
| 12/06/2011 |
GN
| ImmunoGen, Inc. Announces Webcast of Presentation at the Oppenheimer 22nd Annual Healthcare Conference |
| 11/14/2011 |
GN
| ImmunoGen, Inc. Earns Milestone Payment From Amgen With IND Achievement for Second TAP Compound |
| 11/07/2011 |
GN
| ImmunoGen, Inc. Named One of The Boston Globe's 2011 Top Places to Work |
| 11/02/2011 |
GN
| ImmunoGen, Inc. Announces Webcast of Presentations at Upcoming Investor Conferences |
| 10/13/2011 |
GN
| ImmunoGen, Inc. Announces Webcast of Presentation at the 18th Annual NewsMakers in the Biotech Industry Conference |
| 09/24/2011 |
GN
| T-DM1 Significantly Improved Progression-Free Survival Compared to Standard of Care for Previously Untreated HER2-Positive Metastatic Breast Cancer |
| 06/05/2011 |
BW
| ImmunoGen, Inc. Announces Positive Clinical Data Presented on IMGN901 in the Treatment of Multiple Myeloma |
| 06/04/2011 |
BW
| ImmunoGen, Inc. Announces Presentation of Favorable SAR3419 Interim Clinical Data at ASCO |
| 06/01/2011 |
BW
| ImmunoGen, Inc. Announces Webcast of Presentation at Jefferies 2011 Global Healthcare Conference |
| 05/20/2011 |
BW
| ImmunoGen, Inc. Prices Public Offering of Common Stock |
| 05/03/2011 |
BW
| ImmunoGen, Inc. Announces Webcast of Presentation at Bank of America Merrill Lynch 2011 Health Care Conference |
| 04/21/2011 |
BW
| ImmunoGen, Inc. Announces Conference Call to Discuss its Third Quarter Fiscal Year 2011 Financial Results |
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