InsidersTradesSigma
Total declarations
Company
▲ Purchases (9 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
9
Disclosed sells
0
T+90 hit rate
63%
T+90 mean return
+48.3%
Across 8 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Duff Mark, Chairman & CEO. Insider active across 1 company, notably Perma FIX Environmental Services INC. Cumulatively, 12 filings have been logged. Breakdown: 9 buys · 0 sell. Total volume traded: €36k. Activity tracked since 17 December 2021. The latest transaction was disclosed on 11 September 2025 (Acquisition). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Duff Mark
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations12 total
12 of 12 declarations
About Duff Mark
Duff Mark is Président-Directeur Général and is linked to Perma FIX Environmental Services INC, where he is President and CEO. He has made 12 filings in total, and across the 12 sampled recent filings, they cover the period from 2021-12-20 to 2025-09-12, with EUR 36255 of purchases and EUR 0 of sales, the most frequent transaction nature being Acquisition.
