Mark J. Enyedy - Aug 2, 2023 Form 4 Insider Report for ImmunoGen, Inc. (IMGN)

Signature
/s/ Renee Lentini, Attorney-in-Fact
Stock symbol
IMGN
Transactions as of
Aug 2, 2023
Transactions value $
-$36,072,132
Form type
4
Date filed
8/4/2023, 07:32 PM
Previous filing
Jul 5, 2023
Next filing
Dec 28, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IMGN Common Stock Options Exercise $4.53M +995K +225.43% $4.55 1.44M Aug 2, 2023 Direct
transaction IMGN Common Stock Sale -$17.2M -987K -68.67% $17.45 450K Aug 2, 2023 Direct F1
transaction IMGN Common Stock Sale -$157K -8.64K -1.92% $18.15 441K Aug 2, 2023 Direct
transaction IMGN Common Stock Options Exercise $14.5K +2.76K +0.63% $5.25 444K Aug 3, 2023 Direct
transaction IMGN Common Stock Options Exercise $4.63M +1.02M +229% $4.55 1.46M Aug 3, 2023 Direct
transaction IMGN Common Stock Sale -$16.9M -1.02M -69.79% $16.61 441K Aug 3, 2023 Direct F2
transaction IMGN Common Stock Options Exercise $4.11M +782K +177.2% $5.25 1.22M Aug 4, 2023 Direct
transaction IMGN Common Stock Options Exercise $100K +22K +1.8% $4.55 1.25M Aug 4, 2023 Direct
transaction IMGN Common Stock Options Exercise $1.7M +300K +24.08% $5.65 1.55M Aug 4, 2023 Direct
transaction IMGN Common Stock Sale -$16.8M -992K -64.21% $16.96 553K Aug 4, 2023 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -995K -72.21% $0.00 383K Aug 2, 2023 Common Stock 995K $4.55 Direct F4
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -2.76K -0.35% $0.00 782K Aug 3, 2023 Common Stock 2.76K $5.25 Direct F5
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -831K -79.16% $0.00 219K Aug 3, 2023 Common Stock 831K $4.55 Direct F6
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -186K -48.59% $0.00 197K Aug 3, 2023 Common Stock 186K $4.55 Direct F4
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -300K -100% $0.00* 0 Aug 4, 2023 Common Stock 300K $5.65 Direct F7
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -782K -100% $0.00* 0 Aug 4, 2023 Common Stock 782K $5.25 Direct F5
transaction IMGN Stock Option (Right to Buy) Options Exercise $0 -22K -10.04% $0.00 197K Aug 4, 2023 Common Stock 22K $4.55 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.14 to $18.11, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within these ranges.
F2 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.50 to $17.01, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within these ranges.
F3 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.65 to $17.17, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within these ranges.
F4 The options vested in installments upon the satisfaction of certain performance criteria.
F5 Exercisable in three equal installments over three years starting on the first year anniversary of the grant.
F6 Exercisable as to 25% on the first year anniversary of the grant and 6.25% quarterly for the subsequent three years.
F7 Exercisable in four equal installments over four years starting on the first year anniversary of the grant.