William G. Rice

William G. Rice is a declared insider of Aptose Biosciences Inc. (chief executive), with filings sourced from SEC (Form 4). Over a trading history stretching from 14 March 2019 to 30 June 2026, the count stands at 16 filings.

Market trades split into 11 purchases (€174k) and 1 sale (€905k). Sales outweigh purchases by €731k. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Outside the open market, there are 3 share grants.

A typical purchase (the median) is worth €17k. 5 out of 11 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.

Most recently, on 1 July 2026, the filings show a transaction in Aptose Biosciences Inc. The last insider purchase was made public on 26 November 2024, 699 days ago. 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. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.