In May 2017, it was announced David Dinerstein had launched a film production and distribution company that would release up to eight wide release films, per year, starting off to distribute Kidnap, Drunk Parents, and The Strangers: Prey at Night.
[3] In 2019, a lawsuit was filed by investor BlackRock against Aviron and its founder William Sadleir, citing fraud and financial impropriety in the company structure.
[4] Sadleir subsequently exited from his role as the operating manager of Aviron Pictures, a subsidiary of Aviron Group, in January 2020; he had already had a history of sketchy financial health, even further proven from the short history of money-losing features from his previous company Clarius Entertainment, directly resulting in said company silently ending most operations shortly after his departure in 2015.
[5] On May 22, 2020, U.S. Attorney for the Southern District of New York, Geoffrey Berman, announced multiple fraud charges against William Sadleir.
Sadleir also allegedly redirected nearly $1 million of the Coronavirus Paycheck Protection Program loans he applied, meant to keep Aviron staff on payroll, for his personal debts.