Facebook’s chief security officer will leave the social media company after battling with executives over their transparency about the extent of Russian disinformation on the website , a report said Monday.

Alex Stamos — who had already been set to depart in August — was a proponent of disclosing and investigating nefarious activity by Russian agents on the social media network, according to The New York Times.

Stamos disputed the report, however, in a Twitter post.

“Despite the rumors, I’m still fully engaged with my work at Facebook,” he wrote.

“It’s true that my role did change. I’m currently spending more time exploring emerging security risks and working on election security.”

Facebook did not immediately comment.

Stamos penned a blog post in September 2017 when Facebook admitted that it sold ads to Russian propagandists.

“We will continue to invest in our people and technology to help provide a safe place for civic discourse and meaningful connections on Facebook,” he wrote.

The news of his departure comes after the disclosure that 50 million Facebook user profiles had been harvested by Cambridge Analytica.