Skip to contentSCHIFFMAN GREGORY T — DENDREON CORP insider: 190 transactions · InsiderLensSCHIFFMAN GREGORY T
- Director at VNUS MEDICAL TECHNOLOGIES INC · on record since Apr 5, 2006
- Director at XENOGEN CORP · on record since Aug 11, 2006
- EVP at DENDREON CORP · on record since Oct 22, 2013
- Director at IMPAC MEDICAL SYSTEMS INC · on record since May 25, 2004
- Chief Financial Officer at STEMCELLS INC · on record since Jan 10, 2014
- Chief Financial Officer at FREIGHT MANAGEMENT CORP · on record since Nov 15, 2016
- Director at WPCS INTERNATIONAL INC · on record since Feb 7, 2018
- Chief Financial Officer at Absci Corp · on record since Jul 21, 2021
- Director at Boston Therapeutics, Inc. · on record since Dec 21, 2022
- EVP & Chief Financial Officer at AFFYMETRIX INC · on record since Nov 8, 2005
Insider trading activity of SCHIFFMAN GREGORY T
- Transactions on record
- 190
- since May 25, 2004
- Open-market buys
- 2
- $249.8K
- Open-market sells
- 24
- $7.2M
- Companies traded
- 10
- last filing Jun 18, 2026
Figures computed from official regulatory filings — methodology.
Companies where SCHIFFMAN GREGORY T has traded
- WPCS INTERNATIONAL INC25 tx · $196.7K · Jun 18, 2026
- Absci Corp4 tx · $55K · Mar 3, 2023
- Boston Therapeutics, Inc.2 tx · Dec 21, 2022
- FREIGHT MANAGEMENT CORP1 tx · Nov 15, 2016
- STEMCELLS INC9 tx · $75.8K · Apr 18, 2016
- DENDREON CORP73 tx · $13M · Oct 22, 2013
- VNUS MEDICAL TECHNOLOGIES INC29 tx · $793.5K · Jun 17, 2009
- XENOGEN CORP3 tx · Aug 11, 2006
- AFFYMETRIX INC39 tx · $818.4K · Aug 8, 2006
- IMPAC MEDICAL SYSTEMS INC
Track record of SCHIFFMAN GREGORY T
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of SCHIFFMAN GREGORY T
Co-insiders of SCHIFFMAN GREGORY T
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
5 tx · Apr 6, 2005
Albright William A JrXENOGEN CORP
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 18, 2026 | AwardD | 45,042 | 0.00 USD | — | SEC |
| Oct 31, 2025 | AwardD | 22,723 | 0.00 USD | $0 | SEC |
| Dec 2, 2024 | Other | -3,520 | 0.00 USD | $0 | SEC |
| Dec 2, 2024 | Award | 83,388 | 0.00 USD | $0 | SEC |
| Dec 2, 2024 | ExerciseD | 55,592 | 0.00 USD | $0 | SEC |
| Aug 3, 2023 | Sell | -7,274 | 0.82 USD | $6K | SEC |
| May 5, 2023 | Sell | -6,810 | 0.49 USD | $3.3K | SEC |
| Mar 3, 2023 | AwardD | 425,000 | 0.00 USD | $0 | SEC |
| Feb 3, 2023 | Sell | -4,094 | 0.71 USD | $2.9K | SEC |
| Feb 3, 2023 | Award | 112,667 | 0.00 USD | $0 | SEC |
| Dec 21, 2022 | Other | 36,167 | — | — | SEC |
| Dec 21, 2022 | AwardD | 12,920 | 0.00 USD | $0 | SEC |
| Nov 3, 2022 | Sell | -7,003 | 0.82 USD | $5.7K | SEC |
| Nov 3, 2022 | Sell | -4,094 | 0.59 USD | $2.4K | SEC |
| Oct 24, 2022 | ExerciseD | -50,000 | 0.00 USD | $0 | SEC |
| Oct 24, 2022 | Exercise | 50,000 | 1.10 USD | $55K | SEC |
| Feb 23, 2022 | AwardD | 190,000 | 0.00 USD | $0 | SEC |
| Feb 3, 2022 | Award | 65,504 | 0.00 USD | $0 | SEC |
| Jan 7, 2022 | Sell | -2,535 | 1.64 USD | $4.2K | SEC |
| Oct 7, 2021 | Sell | -2,535 | 3.20 USD | $8.1K | SEC |
| Aug 6, 2021 | Sell | -5,070 | 4.30 USD | $21.8K | SEC |
| Jun 7, 2021 | Sell | -23,980 | 5.12 USD | $122.8K | SEC |
| Feb 26, 2021 | Award | 26,000 | 0.00 USD | $0 | SEC |
| Dec 28, 2020 | Award | 75,412 | 0.00 USD | $0 | SEC |
| Oct 1, 2020 | Award | 75,412 | 0.00 USD | $0 | SEC |