Insiders / Fichthorn John
Fichthorn John
CIK 1411509personinsider
Companies
4
First seen
Feb 2, 2021
Last activity
Jun 8, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Arena Group Holdings, Inc. · AREN | 879,920 | — |
| Achieve Life Sciences, Inc. · ACHV | — | — |
| Quantum Corp /De/ · QMCO | — | — |
| Ranger Energy Services, Inc. · RNGR | — | — |
All securities held
4 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| Arena Group Holdings, Inc. | Common stock | 879,920 |
Awards
| Company | Security | Shares |
|---|---|---|
| Arena Group Holdings, Inc. | Restricted units | 750,000 |
Derivatives
| Company | Security | Shares |
|---|---|---|
| Arena Group Holdings, Inc. | Options | 967,280 |
Other
| Company | Security | Shares |
|---|---|---|
| Quantum Corp /De/ | Unclassified | 14,131,891 |
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 |
|---|---|---|---|---|---|---|
| Jun 4, 2026 | Other Derivative conversion | QMCO Quantum Corp /De/ Common Stock | $57.24M | +11.0M | 11,020,645 27.96% of shares | low |
| Jun 4, 2026 | Grant Grant or award | QMCO Quantum Corp /De/ Common Stock | $16.02M | +3.1M +27.98% | 14,104,620 35.79% of shares | low |
| Aug 11, 2021 | Buy Open-market buy | QMCO Quantum Corp /De/ Common Stock | $113.3K |