Insiders / Winton Matthew
Winton Matthew
CIK 1971400personinsider
Companies
2
First seen
Apr 4, 2023
Last activity
Feb 13, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Diffusion Pharmaceuticals Inc. · CRVO | 15,000 | — |
| Inozyme Pharma, Inc. · INZY | 0 | — |
All securities held
2 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| Diffusion Pharmaceuticals Inc. | Common stock | 15,000 |
Derivatives
| Company | Security | Shares |
|---|---|---|
| Diffusion Pharmaceuticals Inc. | Options | 30,000 |
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 |
|---|---|---|---|---|---|---|
| Jul 1, 2025 | Other Shares tendered | INZY Inozyme Pharma, Inc. Common Stock | $87.0K | -22K -100.00% | 0 | low |
| Nov 14, 2025 | Buy Open-market buy | CRVO Diffusion Pharmaceuticals Inc. Common Stock | $75.7K | +10K | 10,000 0.07% of shares | medium |
| Nov 17, 2025 | Buy Open-market buy | CRVO Diffusion Pharmaceuticals Inc. Common Stock | $29.5K | +4K |