ćosić has received grants and fellowships including the regional arts commission artist fellowship and a kranzberg grant for a video installation at laumeier sculpture park. his video "horizons" has been an official selection at film festivals in the united states, australia, denmark, france, germany, and poland and was a prize winner at the 2010 st. louis filmmakers showcase, the 2010 macon film festival, and the 2010 sunscreen film festival. ćosić's video "elans" won the pulitzer’s film competition in st. louis and it was finalist at the digital graffiti festival in florida. his video "spaces" was screened in numerous film festivals in north america and europe and won an award at the st. louis international film festival. ćosić's video story 1: scenes 1-9 won best experimental film at the 2017 st. louis filmmakers showcase. he collaborated with the "60x60 project" creating 200 videos, which have been presented at the spark festival, tna tv in france, emm festival, loop videoart festival, printemps musical d'annecy, kulturkiosken gallery, stimultania art gallery and at other venues in france, spain, sweden, serbia and usa. ćosić's solo exhibition "still adjusting" at gallery 210 was reviewed in the june 2014 issue of "art in america".