Dirk G. Brockstedt

Dirk G. Brockstedt, listed as senior executive, has filed trades across 2 companies (mainly through SEC (Form 4)), most often in Chinook Therapeutics, Inc. and RAPT Therapeutics, Inc. We count 73 filings; the first trade dates from 11 January 2016 and the latest from 3 March 2026.

Sales make up the whole of the open-market record (30 sales, €2.5M). Outside the open market, there are 4 share grants and 38 option exercises.

The latest filing, published on 5 March 2026, reports a transaction in RAPT Therapeutics, Inc. 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. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.