List of insiders holdings for ImmunoGen Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| SAYARE MITCHEL Director | 2011-08-01 15:17:17 | 383,136 0 | 383,136 | Form 4 |
| JUNIUS DANIEL M Director | 2018-03-16 17:12:46 | 298,505 0 | 298,505 | Form 4 |
| Johnston David Brannon Chief Financial Officer | 2018-06-08 16:08:25 | 270,690 0 | 270,690 | Form 4 |
| Gregory Richard J. Executive VP & CSO | 2019-02-25 10:10:17 | 199,413 0 | 199,413 | Form 4 |
| ALTSCHULLER Susan SVP AND CFO | 2022-12-27 17:14:38 | 165,000 0 | 165,000 | Form 4 |
| BARROWS CRAIG Executive VP, General Counsel | 2020-02-25 08:36:43 | 145,275 0 | 145,275 | Form 4 |
| BLATTLER WALTER Executive Vice President | 2007-06-06 16:46:29 | 124,900 0 | 124,900 | Form 4 |
| LAMBERT JOHN Executive Vice President | 2016-11-03 11:13:47 | 120,521 0 | 120,521 | Form 4 |
| Berkenblit Anna SVP & CHIEF MEDICAL OFFICER | 2023-07-05 17:56:29 | 113,935 0 | 113,935 | Form 4 |
| Morris Charles Q Executive VP & CDO | 2016-07-20 16:10:50 | 110,000 0 | 110,000 | Form 4 |
| CADDEN SUZANNE VP, Regulatory & Quality | 2009-12-21 14:57:15 | 100,000 0 | 100,000 | Form 3 |
| MISSLING CHRISTOPHER U Chief Financial Officer | 2004-10-26 16:31:55 | 100,000 0 | 100,000 | Form 4 |
| VILLAFRANCA JOSEPH J Director | 2018-01-03 13:20:41 | 90,997 0 | 90,997 | Form 4 |
| Ryll Thomas SVP, Technical Operations | 2021-07-02 16:18:56 | 84,714 0 | 84,714 | Form 4 |
| O'Leary James J Vice President | 2014-07-18 10:46:09 | 80,000 0 | 80,000 | Form 4 |
| PIEN HOWARD H Director | 2018-01-03 13:20:24 | 78,298 0 | 78,298 | Form 4 |
| Harrington-Smith Kristen SVP & CHIEF COMMERCIAL OFFICER | 2022-11-18 17:31:28 | 75,000 0 | 75,000 | Form 4 |
| Harrison Ellie VP & Chief HR Officer | 2016-07-20 16:08:48 | 70,000 0 | 70,000 | Form 4 |
| SHIRE BIOCHEM INC SHIRE PHARMACEUTICALS GROUP PLC 10% Owner | 2004-06-02 19:28:29 | 66,098 0 | 66,098 | Form 13G |
| ONETTO NICOLE Director | 2015-11-12 08:41:50 | 63,248 0 | 63,248 | Form 4 |
| RYAN PAULINE JEN SVP Corporate Devlp & Ops | 2007-06-14 11:53:57 | 60,000 0 | 60,000 | Form 4 |
| PERRY GREGORY D Chief Financial Officer | 2013-09-11 11:10:09 | 56,665 0 | 56,665 | Form 4 |
| Williams Peter J. VP, Business Development | 2017-02-24 14:55:29 | 50,620 0 | 50,620 | Form 4 |
| FOSTER DAVID G V.P.-Fin., Prin. Acctg. Off. | 2021-01-05 08:59:20 | 38,274 0 | 38,274 | Form 4 |
| BELOFF GREGG Vice President and CFO | 2003-06-16 14:18:19 | 35,000 0 | 35,000 | Form 4 |
| LAVERY VIRGINIA VP and Senior Controller | 2004-06-21 17:01:03 | 30,000 0 | 30,000 | Form 4 |
| Poole Sandra Executive VP, Tech Operations | 2016-10-20 11:37:32 | 27,500 0 | 27,500 | Form 4 |
| Oberton Karleen Marie Senior Corporate Controller | 2005-06-13 15:15:24 | 20,000 0 | 20,000 | Form 4 |
| CARTER DAVID WARREN Director | 2010-11-18 09:05:02 | 10,047 0 | 10,047 | Form 4 |
| Tagliamonte John VP, Business Development | 2008-06-17 11:09:36 | 9000 0 | 9000 | Form 4/A |
| SKALETSKY MARK B Director | 2012-11-15 15:03:32 | 7271 0 | 7271 | Form 4 |
| FEINER STUART Director | 2006-07-05 16:41:29 | 6230.53 0 | 6230.53 | Form 4 |
| McKee Blaine H. EVP & Chief Business Officer | 2019-07-02 13:38:59 | 5230 0 | 5230 | Form 4 |
| Peterson Kristine Director | 2024-02-12 16:48:14 | 0 0 | 0 | Form 4 |
| MITCHELL DEAN J Director | 2024-02-12 16:48:55 | 0 0 | 0 | Form 4 |
| Thackray Helen M. Director | 2024-02-12 16:47:26 | 0 0 | 0 | Form 4 |
| Enyedy Mark J CHIEF EXECUTIVE OFFICER | 2024-02-12 16:46:37 | 0 0 | 0 | Form 4 |
| Wallace Richard John Director | 2024-02-12 16:45:36 | 0 0 | 0 | Form 4 |
| Coen Stacy Ann SVP & CHIEF BUSINESS OFFICER | 2024-02-12 16:44:41 | 0 0 | 0 | Form 4 |
| Lentini Renee VP & PRIN ACCTG OFFICER | 2024-02-12 16:43:42 | 0 0 | 0 | Form 4 |
| Goldberg Mark Alan Director | 2024-02-12 16:42:43 | 0 0 | 0 | Form 4 |
| Arbuckle Stuart A Director | 2024-02-12 16:41:43 | 0 0 | 0 | Form 4 |
| Wingrove Theresa SVP OF REGULATORY AFFAIRS | 2024-02-12 16:41:07 | 0 0 | 0 | Form 4 |
| MCCLUSKI STEPHEN C Director | 2024-02-12 16:40:17 | 0 0 | 0 | Form 4 |
| McCain Tracey L Director | 2024-02-12 16:39:18 | 0 0 | 0 | Form 4 |
| Kalofonos Isabel SVP & CHIEF COMMERCIAL OFFICER | 2024-02-12 16:38:17 | 0 0 | 0 | Form 4 |
| White Lauren SVP, CFO AND PFO | 2024-02-12 16:37:39 | 0 0 | 0 | Form 4 |
| Char Daniel SVP & CHIEF LEGAL OFFICER | 2024-02-12 16:36:57 | 0 0 | 0 | Form 4 |
| VASCONCELLES MICHAEL EVP R&D & MEDICAL AFFAIRS | 2024-02-12 16:35:42 | 0 0 | 0 | Form 4 |
| ZIFF ASSET MANAGEMENT LP PBK HOLDINGS INC KORSANT PHILIP B ZBI Equities L.L.C. 10% Owner | 2011-02-14 18:40:20 | 0 0 | 0 | Form 13G |
| SAMANA CAPITAL L.P. MORTON HOLDINGS INC. KORSANT PHILIP B 10% Owner | 2011-02-14 18:40:20 | 0 0 | 0 | Form 13G |