Skip to contentGeorge Simeon — CRISPR Therapeutics AG insider: 88 transactions · InsiderLensGeorge Simeon
- 10% owner at Zenas BioPharma, Inc. · on record since Sep 16, 2024
- 10% owner at Avalyn Pharma Inc. · on record since Apr 29, 2026
- 10% owner at Odyssey Therapeutics, Inc. · on record since May 7, 2026
- Director at GENOCEA BIOSCIENCES, INC. · on record since Feb 11, 2014
- Director at CRISPR Therapeutics AG · on record since Jun 9, 2026
- Director at Nkarta, Inc. · on record since Jun 11, 2026
- Director at Design Therapeutics, Inc. · on record since Jun 11, 2026
- 10% owner at Design Therapeutics, Inc. · on record since Jun 11, 2026
- Director at HTG MOLECULAR DIAGNOSTICS, INC · on record since May 5, 2015
- Director at Principia Biopharma Inc. · on record since Sep 20, 2018
- 10% owner at Principia Biopharma Inc. · on record since Sep 20, 2018
- Director at AXONYX INC · on record since Apr 24, 2019
- 10% owner at Locust Walk Acquisition Corp. · on record since Sep 2, 2021
- 10% owner at Arcellx, Inc. · on record since Feb 10, 2022
Insider trading activity of George Simeon
- Transactions on record
- 88
- since Feb 11, 2014
- Open-market buys
- 18
- $140.2M
- Open-market sells
- 0
- Companies traded
- 6
- last filing Jun 11, 2026
Figures computed from official regulatory filings — methodology.
Companies where George Simeon has traded
Track record of George Simeon
Statistical track record
Free- Open-market buys
- 18
- Last buy
- Jul 16, 2025
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of George Simeon
Co-insiders of George Simeon
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SANDELL SCOTT DArcellx, Inc. +2
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 11, 2026 | AwardD | 37,000 | 0.00 USD | $0 | SEC |
| Jun 11, 2026 | AwardD | 30,000 | 0.00 USD | $0 | SEC |
| Jun 9, 2026 | AwardD | 13,000 | 0.00 USD | $0 | SEC |
| Jul 17, 2025 | Buy | 22,319 | 52.03 USD | $1.2M | SEC |
| Jul 17, 2025 | Buy | 6,510 | 52.03 USD | $338.7K | SEC |
| Jul 17, 2025 | Buy | 960,983 | 52.03 USD | $50M | SEC |
| Jun 12, 2025 | AwardD | 19,000 | 0.00 USD | $0 | SEC |
| Jun 9, 2025 | AwardD | 46,000 | 0.00 USD | $0 | SEC |
| Jun 6, 2025 | AwardD | 13,000 | 0.00 USD | $0 | SEC |
| Jun 17, 2024 | AwardD | 19,000 | 0.00 USD | $0 | SEC |
| Jun 14, 2024 | AwardD | 22,500 | 0.00 USD | $0 | SEC |
| May 31, 2024 | AwardD | 13,000 | 0.00 USD | $0 | SEC |
| Mar 28, 2024 | Buy | 451,659 | 10.00 USD | $4.5M | SEC |
| Mar 28, 2024 | Buy | 1,548,341 | 10.00 USD | $15.5M | SEC |
| Feb 27, 2024 | Award | 63,177 | 71.50 USD | $4.5M | SEC |
| Feb 27, 2024 | Award | 216,578 | 71.50 USD | $15.5M | SEC |
| Feb 27, 2024 | Award | 769,196 | 71.50 USD | $55M | SEC |
| Jun 9, 2023 | AwardD | 22,500 | 0.00 USD | $0 | SEC |
| Jun 9, 2023 | AwardD | 13,000 | 0.00 USD | $0 | SEC |
| Jun 2, 2023 | AwardD | 15,000 | 0.00 USD | $0 | SEC |
| Dec 20, 2022 | Buy | 500,000 | 8.28 USD | $4.1M | SEC |
| Dec 20, 2022 | Buy | 40,000 | 8.14 USD | $325.6K | SEC |
| Dec 20, 2022 | Buy | 360,000 | 8.63 USD | $3.1M | SEC |
| Aug 17, 2022 | Other | -2,253,660 | 76.00 USD | $171.3M | SEC |
| Aug 17, 2022 | OtherD | -15,000 | — | — | SEC |