DEAN J MITCHELL
CIK 1199297 · President and CEO · last filed 2026-06-12
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$8.72M
Companies
10
Total Filings
110
Lifetime Open-Market Net
$591.5K
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| PRAX | Director | 18,622 | $266.58 | $4.96M | $87.0K | 9 | 2026-06-12 |
| TBPH | Director | 91,204 | $16.64 | $1.52M | $0 | 11 | 2025-05-21 |
| PGEN | Director | 503,183 | $4.45 | $2.24M | $35.2K | 13 | 2024-03-18 |
| ImmunoGen, Inc. (IMGN) Delisted | Director | 0 | $31.23 | $0 | $125.1K | 42 | 2024-02-12 |
| Kinnate Biopharma Inc. (KNTE) Delisted | Director | — | $2.65 | — | $0 | 3 | 2023-06-13 |
| PRECIGEN, INC. (XON) Delisted | Director | 49,661 | — | — | $91.6K | 12 | 2019-03-26 |
| ISTA PHARMACEUTICALS INC (ISTA) Delisted | Director | 4,932 | — | — | $0 | 5 | 2011-12-07 |
| Talecris Biotherapeutics Holdings Corp. (TLCR) Delisted | Director | 3,019 | — | — | $0 | 2 | 2010-04-05 |
| ALPHARMA INC (ALO) Delisted | President and CEO | 800 | — | — | $252.5K | 8 | 2008-12-31 |
| MGI PHARMA INC (MOGN) Delisted | Director | 3,887 | — | — | $0 | 1 | 2007-05-09 |
Recent Filings · Page 9 of 11
110 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2015-04-24 | TBPH | Grant (A) | +6,000 | $0 | EDGAR |
| 2015-03-23 | PRECIGEN, INC. (XON) Delisted | Grant (A) | +1,474 | $70.0K | EDGAR |
| 2014-11-12 | ImmunoGen, Inc. (IMGN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2014-03-24 | PRECIGEN, INC. (XON) Delisted | Grant (A) | +2,278 | $70.0K | EDGAR |
| 2014-02-20 | PRECIGEN, INC. (XON) Delisted | Grant (A) | +27 | $747 | EDGAR |
| 2013-12-18 | PRECIGEN, INC. (XON) Delisted | Grant (A) | +112 | $2.2K | EDGAR |
| 2013-11-13 | ImmunoGen, Inc. (IMGN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2013-11-04 | PRECIGEN, INC. (XON) Delisted | Grant (A) | +35 | $742 | EDGAR |
| 2013-09-12 | PRECIGEN, INC. (XON) Delisted | Grant (A) | +56 | $1.5K | EDGAR |
| 2013-01-31 | ImmunoGen, Inc. (IMGN) Delisted | Grant (A) | — | $0 | EDGAR |
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.