InsidersTradesSigma
Total declarations
Companies
▲ Purchases (3 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
3
Disclosed sells
0
T+90 hit rate
100%
T+90 mean return
+43.0%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Mitchell Dean J, Director. Officer active across 4 companies, notably ImmunoGen, Inc.. In total, 18 disclosures have been published. Breakdown: 3 buys · 0 sell. Total volume traded: €114k. History available since 3 September 2021. The latest transaction was disclosed on 24 September 2025 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Mitchell Dean J
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations18 total
1,932 shares@ US$14.3622.6% of flowCommon StockSEC:0001689548-25-000096:0
10,649 shares0Ordinary SharesSEC:0001415889-25-014015:0
10,537 shares0Ordinary SharesSEC:0001415889-24-012915:0
39,510 shares@ US$1.4327.4% of flowCommon StockSEC:0000950103-24-003951:0
106,837 sharesCommon StockSEC:0000950103-24-003747:0
103,000 sharesCommon StockSEC:0001104659-24-014721:0
10,000 shares@ US$14.7047.3% of flowCommon StockSEC:0001415889-23-016755:0
10,000 shares@ US$14.7089.9% of flowCommon StockSEC:0001415889-23-013580:0
25,000 shares@ US$1.4124.2% of flowCommon StockSEC:0000950103-23-013963:0
Canonical exit: 21 Dec 2023 (T+90)
9,132 shares0Ordinary SharesSEC:0001415889-23-007380:0
50,000 shares@ US$0.836347.8% of flowCommon StockSEC:0001104659-23-037022:0
Canonical exit: 22 Jun 2023 (T+90)
48,290 shares@ US$1.1728.5% of flowCommon StockSEC:0000950103-23-004013:0
61,576 sharesCommon StockSEC:0000950103-23-003027:0
25,000 shares@ US$1.807540.4% of flowCommon StockSEC:0001689548-22-000075:0
Canonical exit: 6 Sept 2022 (T+90)
9,852 shares0Ordinary SharesSEC:0001415889-22-004332:0
16,212 sharesCommon StockSEC:0000950103-22-005401:0
27,832 shares@ US$2.0326.6% of flowCommon StockSEC:0000950103-22-003222:0
5,000 shares@ US$1.845.3% of flowCommon StockSEC:0001179110-21-008587:0
18 of 18 declarations
About Mitchell Dean J
MITCHELL DEAN J is Administrateur and has filed 18 reports between 2021-09-03 and 2025-09-25. Across the 18 sampled filings, buys total 113817 EUR and sells total 0 EUR, with Levée d'options as the most frequent transaction nature.
