Latest filing published 08 Oct 2026 for Biolife Solutions INC. Read the official filing
Roderick De Greef has filed trades across 2 companies (mainly through SEC (Form 4)), most often in Biolife Solutions Inc and Elephant Talk Communications Corp. Between 18 January 2016 and 6 October 2026, the trades on record add up to 151 filings.
In open-market terms, that means 1 purchase worth €28k on one side and 72 sales worth €12.8M on the other. Taken together, the sales exceed the purchases by €12.8M. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Outside the open market, there are 28 share grants and 49 option exercises.
Most recently, on 8 October 2026, the filings show a share grant in Biolife Solutions Inc. The last insider purchase was made public on 24 February 2017, 3,525 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. For comparison, the SEC allows two business days to file a Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
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