Robert S. Porter

Robert S. Porter appears in our data through filings on Platinum Underwriters Holdings Ltd shares, published by SEC (Form 4). The record holds 32 filings, for trades running from 24 February 2008 to 2 March 2015.

Every open-market trade on record is a sale: 7 sales worth €10.0M. Outside the open market, there are 10 share grants and 14 option exercises.

The record was last updated on 2 March 2015 with a transaction (€11.2M) in Platinum Underwriters Holdings Ltd. The median gap between a trade and its publication by SEC (Form 4) is 2 days. Section 16 rules allow two business days to file each Form 4. 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.