Karen A. Foster $BLFS SEC Form 4 Insider Trading

Karen A. Foster has filed a total of 64 insider trades in $BLFS since 2021. Their most recent trade was a sale of 415 shares, made on Nov 25, 2025. Their largest trade was a sale of 16,413 shares, made on Apr 18, 2022. We estimate that they now own 192,838 shares of $BLFS, worth an estimated $5.3 million.

Insider Trading at $BLFS

There have been a total of 531 insider trades reported at $BLFS since 2021, with 1.1 million shares purchased and 4.6 million shares sold. The most active insider traders in $BLFS stock have been Aby J. Mathew, Todd Berard, and Troy Wichterman. The most recent trade was a sale of 2,000 shares reported by Amy DuRoss (None), made on Nov 25, 2025.

$BLFS Executives and Stock Owners with Insider Trades

• Aby J. Mathew, EVP & Chief Scientific Officer

• Todd Berard, Chief Marketing Officer

• Troy Wichterman, Chief Financial Officer

• Michael Rice, CEO

• Sarah Aebersold, Chief Human Resources Officer

• Karen A. Foster, Chief Quality Officer

• Marcus Schulz, Chief Revenue Officer

• Karen A. Foster, Chief Quality and Operations

• Greef Roderick De, COO & President

• Geraint Phillips, SVP, Global Operations

• Aby J. Mathew, Exec VP & Chief Scientific Off

• Sarah Aebersold, VP, Global Human Resources

• Sean Werner, Chief Technology Officer

• Greef Roderick De, President and CEO

• Greef Roderick De, CFO

• Michael Rice, Chief Executive Officer

• Greef Roderick De, Chief Financial Officer

• Garrie Richardson, Chief Revenue Officer

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.