Sean P Duffy Net Worth (2024)
David Wilson
Updated on March 15, 2026
The estimated Net Worth of Sean P Duffy is at least $7.99 Million dollars as of 25 September 2009. Sean Duffy owns over 5,000 units of Casella Waste Systems stock worth over $7,942,097 and over the last 21 years Sean sold CWST stock worth over $49,686.
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Sean Duffy CWST stock SEC Form 4 insiders trading
Sean has made over 2 trades of the Casella Waste Systems stock since 2008, according to the Form 4 filled with the SEC. Most recently Sean sold 5,000 units of CWST stock worth $13,800 on 25 September 2009.
The largest trade Sean's ever made was selling 5,000 units of Casella Waste Systems stock on 25 September 2009 worth over $13,800. On average, Sean trades about 332 units every 17 days since 2003. As of 25 September 2009 Sean still owns at least 92,749 units of Casella Waste Systems stock.
You can see the complete history of Sean Duffy stock trades at the bottom of the page.