Mark L. Portnoy insider trades
Open-market stock purchases and sales by Mark L. Portnoy, Co-CEO at Cryo Cell International Inc, from SEC Form 4 filings since Aug 31, 2011.
Track record: 39% of 33 scored buys are up 5% or more since purchase, averaging -5%.
Companies traded
- CCEL Cryo Cell International Inc: 34 buys, 8 sales, last Jan 7, 2026