He allegedly created fake licensing and distribution agreements signed by fictional people or with forged signatures as proof to his investors of the business that was being done.
In all, Zachary Horwitz is accused of swindling a total $227 million from investors.
The deals were apparently focused on smaller films, like Bitter Harvest with Terence Stamp or documentary films like Active Measures and Divide and Conquer.
Netflix and HBO have denied working with Horwitz or his company in any way.