Insiders / Witney Frank
Witney Frank
CIK 1455312personinsider
Companies
2
First seen
Jun 2, 2026
Last activity
Jun 23, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Cerus Corp · CERS | 340,059 | — |
| Standard Biotools Inc. · LAB | 309,978 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Cerus Corp | Common Stock | 340,059 |
| Standard Biotools Inc. | Common Stock | 309,978 |
| Standard Biotools Inc. | Stock Option (Right to buy)Derivative | 175,923 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 18, 2026 | Grant | LAB Standard Biotools Inc. Common Stock | $0 | +99K +47.01% | 309,978 0.08% of shares | low |
| Jun 2, 2026 | Grant | CERS Cerus Corp Common Stock | $0 | +60K +21.42% | 340,059 0.17% of shares | low |
| Jun 18, 2026 | Grant | LAB Standard Biotools Inc. Stock Option (Right to buy) | — | +176K | 175,923 0.04% of shares | low |