Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Sullivan John James, Chairman of the Board. Director active across 2 companies, notably Mesa Laboratories INC. Aggregated, 35 disclosures have been logged. Breakdown: 0 buy · 8 sells. Total volume traded: €2.5m. Activity tracked since 4 May 2021. The latest transaction was filed on 13 August 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Sullivan John James
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
5,192 shares@ US$89.7012.2% of flowCommon StockSEC:0001228924-21-000058:0
25 of 35 declarations
About Sullivan John James
Sullivan John James is Chairman of the Board and a Director at Mesa Laboratories INC and MESA LABORATORIES INC /CO/. He has 33 filings in total, and within the recent filings available, the reported activity covers the period from 2021-05-05 to 2025-12-05, with EUR 0 in purchases and EUR 1,829,711 in sales. The most frequent transaction nature indicated is option exercise.