Martin J. Vanderploeg

This profile gathers the share dealings of Martin J. Vanderploeg in Workiva Inc, where the filings describe the role as board member. We count 36 filings; the first trade dates from 19 January 2016 and the latest from 18 August 2026.

The open-market side counts 3 purchases for €740k alongside 5 sales for €81.0M. On balance, insiders were net sellers of €80.3M. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Other entries cover 16 share grants and 2 option exercises.

A typical purchase (the median) is worth €255k. No cluster: in 3 purchases, no other insider of the company bought within 30 days.

Most recently, on 20 August 2026, the filings show a transaction in Workiva Inc. The clock since the last published purchase (13 September 2024) now reads 765 days. The median gap between a trade and its publication by SEC (Form 4) is 3 days. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.