By Katryna Perera (September 14, 2021, 5:11 PM EDT) — The U.S. Securities and Exchange Commission moved to secure an early win against a group of cannabis developers who are the only remaining defendants in a suit over an alleged scheme to con marijuana business investors out of $25 million.The SEC filed a motion for summary judgment in California federal court on Monday against Mark Heckele, Charles Lloyd and Lloyd Marketing LLC.The agency alleges that Lloyd and Lloyd Marketing acted as unregistered broker-dealers in marijuana-related securities offerings and unlawfully earned more than $250,000 in commissions.The motion comes after the SEC secured settlements with other, previous defendants in the…