Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Clifton R. LaDuane. Director active across 2 companies, notably Kempharm, INC. Cumulatively, 16 reports have been published. Split: 13 buys · 1 sell. Total volume traded: €136k. Activity tracked since 27 May 2021. The latest transaction was disclosed on 31 December 2025 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Clifton R. LaDuane
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
150 shares@ US$9.854.2% of flowCommon StockSEC:0001437749-21-013577:0
Canonical exit: 25 Aug 2021 (T+90)
16 of 16 declarations
About Clifton R. LaDuane
Clifton R. LaDuane is CFO, Secretary & Treasurer at Kempharm, INC and is also linked to ZEVRA THERAPEUTICS, INC. He has 16 filings in total, and across the 16 sampled filings, transactions run from 2021-05-27 to 2026-01-07, with EUR 52829 of buys and EUR 83209 of sells; the modal transaction nature shown is Acquisition.