Insiders / Ros Matthew
Ros Matthew
CIK 1673802personinsider
Companies
3
First seen
Jan 6, 2021
Last activity
Jun 11, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Epizyme, Inc. · EPZM | 111,313 | — |
| Verastem, Inc. · VSTM | 50,000 | — |
| Cogent Biosciences, Inc. · COGT | — | — |
All securities held
4 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| Epizyme, Inc. | Common stock | 111,313 |
| Verastem, Inc. | Common stock | 50,000 |
Derivatives
| Company | Security | Shares |
|---|---|---|
| Cogent Biosciences, Inc. | Options | 17,901 |
| Epizyme, Inc. | Options | 134,178 |
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 |
|---|---|---|---|---|---|---|
| Jan 25, 2021 | Sell Open-market sale | EPZM Epizyme, Inc. Common Stock, par value $0.0001 | $32.8K | -3K -4.88% | 55,957 | low |
| Feb 4, 2021 | Sell Open-market sale | EPZM Epizyme, Inc. Common Stock, par value $0.0001 | $10.0K | -894 -1.06% | 83,188 | low |
| Aug 16, 2021 | Grant Grant or award | EPZM Epizyme, Inc. Common Stock, par value $0.0001 | $0 |