Summary
Updated Aug 31, 2026
Catherine Coste is Director of BIOLIFE SOLUTIONS INC (BLFS). 2 SEC Form 4 filings on record going back to 2024, most recently on 26 February 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Catherine Coste has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Catherine Coste 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. - $49.54M of BLFS open-market activity in the last 12 months
- Greef Roderick de - $3.61M of BLFS open-market activity in the last 12 months
- Karen A. Foster - $2.06M of BLFS open-market activity in the last 12 months
- Troy Wichterman - $850K of BLFS open-market activity in the last 12 months
- Amy Duross - $257K of BLFS open-market activity in the last 12 months
- Aby J. Mathew - $56K of BLFS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Catherine Coste?
Catherine Coste is a corporate insider, tracked as Director of BIOLIFE SOLUTIONS INC (BLFS). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Catherine Coste last file a Form 4?
The most recent primary Form 4 on record is dated 26 February 2026, one of 2 filings going back to 2024.
Where can I see all of Catherine Coste's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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