David F. Pfeiffer

David F. Pfeiffer appears in our data through filings on Collagenex Pharmaceuticals Inc shares, published by SEC (Form 4). Over a trading history stretching from 11 June 2007 to 4 February 2008, the count stands at 107 filings.

Every open-market trade on record is a sale: 98 sales worth €710k. Other entries cover 9 option exercises. 2008 to date brings no purchases and 5 sales.

Most recently, on 5 February 2008, the filings show an option exercise worth €28k in Collagenex Pharmaceuticals Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. US insiders must file a Form 4 within two business days of a trade. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.