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 Tierney David S, Director. Insider active across 3 companies, notably Catalyst Pharmaceuticals, INC.. Cumulatively, 25 filings have been published. Split: 3 buys · 0 sell. Total volume traded: €42k. History available since 13 August 2021. The latest transaction was disclosed on 15 July 2026 (Disposition). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Tierney David S
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
50,000 shares@ US$3.121.2% of flowCommon stock, par value $0.001 per shareSEC:0001161697-21-000383:0
25 of 25 declarations
About Tierney David S
Tierney David S is an Administrateur linked to Catalyst Pharmaceuticals, INC., Kempharm, INC and ZEVRA THERAPEUTICS, INC. He has 25 filings in total. Across the 25 filings sampled, the recent filing period runs from 2021-08-17 to 2026-07-17, with buys of EUR 41661 and sells of EUR 10555432, and the most common transaction nature is Levée d'options.