Insiders / George Simeon
George Simeon
CIK 1595117personinsider
Companies
9
First seen
Mar 25, 2021
Last activity
Jun 11, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Design Therapeutics, Inc. · DSGN | 12,152,952 | — |
| Nkarta, Inc. · NKTK | 3,999,999 | — |
| CRISPR Therapeutics AG · CRSP | 2,038,763 | — |
| Turning Point Therapeutics, Inc. · TPTX | 0 | — |
| Arcellx, Inc. · ACLX | — | — |
| Avalyn Pharma Inc. · AVLN | — | — |
| eFFECTOR Therapeutics, Inc. · EFTR | — | — |
| Odyssey Therapeutics, Inc. · ODTX | — | — |
| Zenas BioPharma, Inc. · ZBIO | — | — |
All securities held
6 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| CRISPR Therapeutics AG | Common stock | 2,038,763 |
| Design Therapeutics, Inc. | Common stock | 12,152,952 |
| Nkarta, Inc. | Common stock | 3,999,999 |
Derivatives
| Company | Security | Shares |
|---|---|---|
| CRISPR Therapeutics AG | Options | 13,000 |
| Design Therapeutics, Inc. | Options | 30,000 |
| Nkarta, Inc. | Options | 37,000 |
Ownership percentages elsewhere on the site count common and ordinary shares only, because that is what shares outstanding are measured in. Everything above is a real holding; not all of it is a share of the company.
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Aug 17, 2022 | Other Sold to issuer | TPTX Turning Point Therapeutics, Inc. Common Stock | $171.28M | -2.3M -100.00% | 0 | low |
| Feb 27, 2024 | Grant Grant or award | CRSP CRISPR Therapeutics AG Common Shares | $55.00M | +769K | 769,196 0.80% of shares | low |
| Jul 16, 2025 | Buy Open-market buy | CRSP CRISPR Therapeutics AG Common Shares | $50.00M | +961K |