Erich Platzer

This profile gathers the share dealings of Erich Platzer in Aptose Biosciences Inc., where the filings describe the role as board member. Between 19 March 2019 and 30 June 2026, the trades on record add up to 12 filings.

In open-market terms, that means 9 purchases worth €442k on one side and 2 sales worth €39k on the other. On balance, insiders were net buyers of €403k. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay.

The median purchase comes to €32k. 7 out of 7 purchases came within 30 days of a purchase by at least one other insider of the same company. Such overlaps are known as a cluster signal: distinct people reaching the same decision at about the same time.

The newest entry dates from 1 July 2026: a transaction, in Aptose Biosciences Inc. The clock since the last published purchase (20 December 2021) now reads 1,771 days. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.