Patrick J. Kerins

Patrick J. Kerins is a declared insider at 21 companies (board member); the most frequent names are Cloudflare, Inc., Mersana Therapeutics, Inc. and Appian Corp. The record holds 127 filings, for trades running from 12 January 2016 to 12 March 2025.

In open-market terms, that means 27 purchases worth €112.0M on one side and 14 sales worth €69.1M on the other. The net balance comes to €42.9M on the buying side. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Outside the open market, there are 7 share grants and 8 option exercises. In 2025 alone, the filings show no purchases and 3 sales.

Half of the purchases are above €1.6M and half below. 27 out of 27 purchases came within 30 days of a purchase by at least one other insider of the same company. Purchases made close together by different insiders form what is called a cluster.

The record was last updated on 14 March 2025 with an open-market sale (€51k) in BuzzFeed, Inc. The clock since the last published purchase (10 September 2018) now reads 2,962 days. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.