Insiders / Papapetropoulos Spyridon
Papapetropoulos Spyridon
CIK 1832694personinsider
Companies
4
First seen
Mar 15, 2021
Last activity
Sep 2, 2025
Companies
| Company | Shares held | Latest |
|---|---|---|
| Neuphoria Therapeutics Inc. · BNOX | 5,999,940 | — |
| Lipocine Inc. · LPCN | 21,739 | — |
| Vigil Neuroscience, Inc. · VIGL | 4,000 | — |
| Adamas Pharmaceuticals Inc · ADMS | 0 | — |
All securities held
6 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| Lipocine Inc. | Common stock | 21,739 |
| Neuphoria Therapeutics Inc. | Ordinary shares | 5,999,940 |
| Vigil Neuroscience, Inc. | Common stock | 4,000 |
Derivatives
| Company | Security | Shares |
|---|---|---|
| Lipocine Inc. | Options | 7,174 |
| Neuphoria Therapeutics Inc. | Options | 74,088 |
| Vigil Neuroscience, Inc. | Options | 149,604 |
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 |
|---|---|---|---|---|---|---|
| Mar 11, 2021 | Buy Open-market buy | ADMS Adamas Pharmaceuticals Inc Common Stock | $30.2K | +6K +59.75% | 15,975 | low |
| May 3, 2022 | Buy Open-market buy | VIGL Vigil Neuroscience, Inc. Common Stock | $13.6K | +4K | 4,000 | low |
| Nov 22, 2022 | Buy Open-market buy | LPCN Lipocine Inc. Common stock | $10.2K | +22K | 21,739 |