John Ioannis Karagiannidis

John Ioannis Karagiannidis is a declared insider at 2 companies; the most frequent names are Quebec Innovative Materials Corp. and Diagnamed Holdings Corp. We count 10 filings; the first trade dates from 20 July 2026 and the latest from 14 October 2026.

On the market, this insider has only ever bought: 7 purchases, €85k in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 3 option exercises.

The median purchase comes to €4,055. As a share of market capitalisation, the median purchase stands at 0.0001%, based on 4 purchases. Across 7 purchases, this insider has always bought alone, with no colleague buying within 30 days.

The record was last updated on 15 October 2026 with an open-market purchase (€10k) in Quebec Innovative Materials Corp. Between a trade and the moment it shows up on SEDI, the median delay is 1 day. That lag is the time during which only the insider knows about the trade. Every figure here comes from the filings published by SEDI and describes the past, not future prices; it is not investment advice.