Insiders / Corzo Kathryn Penkus
Corzo Kathryn Penkus
CIK 1884123personinsider
Companies
2
First seen
Nov 2, 2021
Last activity
Nov 4, 2025
Companies
| Company | Shares held | Latest |
|---|---|---|
| Marker Therapeutics, Inc. · MRKR | — | — |
| Matinas Biopharma Holdings Inc. · MTNB | — | — |
All securities held
3 positions · latest reported per filing
Derivatives
| Company | Security | Shares |
|---|---|---|
| Matinas Biopharma Holdings Inc. | Options | 437,244 |
Other
| Company | Security | Shares |
|---|---|---|
| Marker Therapeutics, Inc. | Unclassified | 147,611 |
| Matinas Biopharma Holdings Inc. | Unclassified | 181,763 |
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 |
|---|---|---|---|---|---|---|
| Nov 1, 2023 | Grant Grant or award | MTNB Matinas Biopharma Holdings Inc. Stock option (right to buy) | — | +437K | 437,244 | low |
| Nov 14, 2022 | Grant Grant or award | MTNB Matinas Biopharma Holdings Inc. Stock option (right to buy) | — | +143K | 142,657 | low |
| Nov 1, 2021 | Grant Grant or award | MTNB Matinas Biopharma Holdings Inc. Stock option (right to buy) | — | +182K | 181,763 | low |