<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDYvNjJjMzlhYTUtNzAxZS00ZTNhLTg1NWQtZDRlYWQ0MmY1ZTZmLmpwZw==.jpg"></p><p>Tuttle Capital is using U.S. lawmakers’ mandatory stock disclosure filings to back the strategy of its newly proposed ETF.</p>