Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Giamatteo, John Joseph. Officer active across 1 company, notably BlackBerry Limited. In total, 50 disclosures have been logged. Split: 45 buys · 0 sell. Total volume traded: €2.3m. History available since 2 July 2026. The latest transaction was filed on 9 July 2026 (10 - Acquisition or disposition in the public market). Regulator: SEDI. The full history is accessible without signup.
Companies and markets linked to Giamatteo, John Joseph
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Giamatteo, John Joseph is a declarant linked to BlackBerry Limited (XTSE) as 5 - Senior Officer of Issuer. He has 4 filings in total, and across the 4 recent filings reviewed, the transactions are dated 2026-07-06, with EUR 195307 of buys and EUR 0 of sells, and the modal transaction nature is 57 - Exercise of rights.