John J. Sperzel III

John J. Sperzel III is a declared insider at 2 companies (chief executive); the most frequent names are T2 Biosystems, Inc. and Chembio Diagnostics, Inc. The record holds 11 filings, for trades running from 8 October 2018 to 24 February 2024.

On the open market, the record shows 1 purchase worth €14k and 2 sales worth €5,807. On balance, insiders were net buyers of €7,999. 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 3 share grants and 5 option exercises.

Most recently, on 27 February 2024, the filings show an option exercise in T2 Biosystems, Inc. The most recent open-market purchase was published on 11 April 2022, 1,672 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 6 days. For comparison, the SEC allows two business days to file a Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.