Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Frank Witney files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Casdin Partners Master Fund, L.P. - $14.44M in LAB purchases and sales in the last 12 months
- Prahlad R. Singh - $2.56M in RVTY purchases and sales in the last 12 months
- Tajinder S. Vohra - $1.63M in RVTY purchases and sales in the last 12 months
- Joel S. Goldberg - $1.27M in RVTY purchases and sales in the last 12 months
- William Mariner Greenman - $1.20M in CERS purchases and sales in the last 12 months
- Vivek K. Jayaraman - $619K in CERS purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Frank Witney?
Frank Witney is a corporate insider of STANDARD BIOTOOLS INC. (LAB). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Frank Witney last file a Form 4?
The most recent primary Form 4 on record is dated 23 June 2026, one of 6 filings going back to 2025.