MITCHELL DEAN J

CIK: 0001199297
Director
Primary company: ImmunoGen, Inc. (IMGN)

MITCHELL DEAN J is a corporate insider at ImmunoGen, Inc. (IMGN) filing SEC Form 4 transactions. 300 transactions across 11 companies, totaling $709,220 in purchases and $4,242,231 in sales. Source: SEC EDGAR.

Total Transactions
300
Total Buy Value
$709K
Total Sell Value
$4.24M
Net Activity
$-3.53M
Last Transaction
Sep 2025
Companies
11

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Theravance Biopharma, Inc.
TBPH
Type
Award
Shares
13,398
Price
$16.64
Value
$223K
Theravance Biopharma, Inc.
TBPH
Type
Award
Shares
6,009
Price
-
Value
-
Type
Award
Shares
648
Price
$240.66
Value
$156K
Type
Award
Shares
1,371
Price
-
Value
-
Type
Exercise
Shares
1,753
Price
-
Value
-
Type
Exercise
Shares
8,566
Price
-
Value
-
Type
Exercise
Shares
1,932
Price
-
Value
-
Type
Exercise
Shares
1,753
Price
$44.04
Value
$77K
Type
Exercise
Shares
8,566
Price
$44.25
Value
$379K
Type
Exercise
Shares
1,932
Price
$14.36
Value
$28K
Type
Award
Shares
10,520
Price
-
Value
-
Theravance Biopharma, Inc.
TBPH
Type
Award
Shares
24,258
Price
-
Value
-
Theravance Biopharma, Inc.
TBPH
Type
Award
Shares
10,649
Price
-
Value
-
Type
Award
Shares
8,566
Price
-
Value
-
Theravance Biopharma, Inc.
TBPH
Type
Award
Shares
23,576
Price
-
Value
-
Theravance Biopharma, Inc.
TBPH
Type
Award
Shares
10,537
Price
-
Value
-
Kinnate Biopharma Inc.
KNTE
Type
Disposition
Shares
25,000
Price
-
Value
-
Kinnate Biopharma Inc.
KNTE
Type
Disposition
Shares
20,250
Price
-
Value
-
Kinnate Biopharma Inc.
KNTE
Type
Disposition
Shares
20,250
Price
-
Value
-
Kinnate Biopharma Inc.
KNTE
Type
Disposition
Shares
121,503
Price
-
Value
-