The website focuses on streaming art-house and festival films, and Kursietis' Modris is to be featured alongside Xavier Dolan's Laurence Anyway, as well as other films by up-and-coming international directors.
US viewers can stream the film free for three months.
The film is available alongside an interview with the director where Kursietis reveals Martin Scorsese to be an influence of his and details plans of his next film, Oļegs, the filming of which starts next year.
Filmatique notes that Modris won the Best Debut Film at the Latvian National Film Festival and was Latvia's submission for the Foreign Language Oscar in 2015.
Kursietis was awarded Best Director at Tbilisi and Best New Director at San Sebastián.