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ImmunoGen, Inc. SEC Filings

Filed On Filing
22 Feb 2024 15-12G
14 Feb 2024 SC 13G/A
14 Feb 2024 SC 13G/A
13 Feb 2024 SCHEDULE 13G/A
12 Feb 2024 Form 4: Mitchell Dean J, Director

Returned 103,000 shares to the issuer · Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 142,667 Deferred Share Unit (Disposition to Issuer) · 1 more

12 Feb 2024 Form 4: Peterson Kristine, Director

Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 74,954 Deferred Share Unit (Disposition to Issuer) · Disposed of 208,597 Stock Option (Right to Buy) (Disposition to Issuer)

12 Feb 2024 Form 4: Thackray Helen M., Director

Returned 3,074 shares to the issuer · Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 40,932 Deferred Share Unit (Disposition to Issuer) · 1 more

12 Feb 2024 Form 4: Enyedy Mark J, Director

Returned 584,397 shares to the issuer · Disposed of 242,823 Restricted Stock Unit (Disposition to Issuer) · Disposed of 4,244,275 Stock Option (Right to Buy) (Disposition to Issuer)

12 Feb 2024 Form 4: Wallace Richard John, Director

Returned 10,000 shares to the issuer · Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 102,326 Deferred Share Unit (Disposition to Issuer) · 1 more

12 Feb 2024 Form 4: Coen Stacy Ann, SVP & CHIEF BUSINESS OFFICER

Returned 73,274 shares to the issuer · Disposed of 777,270 Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 67,993 Restricted Stock Unit (Disposition to Issuer)

12 Feb 2024 Form 4: Lentini Renee, VP & PRIN ACCTG OFFICER

Returned 14,723 shares to the issuer · Disposed of 49,509 Restricted Stock Unit (Disposition to Issuer) · Disposed of 157,121 Stock Option (Right to Buy) (Disposition to Issuer)

12 Feb 2024 Form 4: Goldberg Mark Alan, Director

Returned 60,720 shares to the issuer · Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 160,350 Deferred Share Unit (Disposition to Issuer) · 1 more

12 Feb 2024 Form 4: Arbuckle Stuart A, Director

Returned 5,381 shares to the issuer · Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 63,000 Deferred Share Unit (Disposition to Issuer) · 1 more

12 Feb 2024 Form 4: Wingrove Theresa, SVP OF REGULATORY AFFAIRS

Returned 21,039 shares to the issuer · Disposed of 588,881 Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 69,724 Restricted Stock Unit (Disposition to Issuer)

12 Feb 2024 Form 4: Mccluski Stephen C, Director

Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 105,458 Deferred Share Unit (Disposition to Issuer) · Disposed of 228,597 Stock Option (Right to Buy) (Disposition to Issuer)

12 Feb 2024 Form 4: McCain Tracey L, Director

Disposed of 13,090 Restricted Stock Unit (Disposition to Issuer) · Disposed of 50,303 Deferred Share Unit (Disposition to Issuer) · Disposed of 89,153 Stock Option (right to buy) (Disposition to Issuer)

12 Feb 2024 Form 4: Kalofonos Isabel, SVP & CHIEF COMMERCIAL OFFICER

Disposed of 284,250 Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 66,833 Restricted Stock Unit (Disposition to Issuer)

12 Feb 2024 Form 4: White Lauren, SVP, CFO AND PFO

Acquired 295,975 Stock Option (Right to Buy) (Disposition to Issuer) · Acquired 71,144 Restricted Stock Unit (Disposition to Issuer)

12 Feb 2024 Form 4: Char Daniel, SVP & CHIEF LEGAL OFFICER

Returned 1,000 shares to the issuer · Disposed of 400,000 Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 22,825 Restricted Stock Unit (Disposition to Issuer)

12 Feb 2024 Form 4: Vasconcelles Michael, EVP R&D & MEDICAL AFFAIRS

Returned 1,327 shares to the issuer · Disposed of 960,000 Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 50,515 Restricted Stock Unit (Disposition to Issuer)

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