David John Wolenski

Filings by David John Wolenski span 2 companies, the busiest being Interlink Electronics Inc and Qualstar Corp. In total, 14 filings cover trades dated from 31 December 2015 to 15 July 2026.

The open-market record is one-sided, with 8 purchases worth €39k and not one sale. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Other entries cover 6 share grants.

The median purchase comes to €4,844. 4 out of 8 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 record was last updated on 17 July 2026 with a share grant in Interlink Electronics Inc. The last purchase on record was published on 25 November 2025, which is 333 days ago. Typically, a trade is published a median of 2 days after it takes place. US insiders must file a Form 4 within two business days of a trade. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.