** Shares of nuclear technology developer NuScale Power SMR.N fall 6.2% to $12.51 premarket

** Co reports bigger annual loss as well as a 15% drop in revenue due to higher cost of sales

** Annual loss widened to $355.79 million in 2025 from $136.62 million a year earlier

** Co reports 2025 revenue of $31.48 million, compared with $37.05 million a year earlier

** Cost of sales increased to $20.05 million from $4.94 million, with gross margin dropping over 64% to $11.43 million

** Separately, co also entered a $1 billion at-the-market facility

** SMR has dropped 5.7% so far this year

(Reporting by Vallari Srivastava in Bengaluru)

((Srivastava.Vallari@thomsonreuters.com;))