Sept 18 (Reuters) - The CEO of Square, a unit of fintech company Block Inc, will leave the company, according to a regulatory filing on Monday.

Alyssa Henry will leave on Oct. 2 after more than nine years with the company, the filing said.

Block Inc's shares were down 2.7% at $49.86 after the bell.

Henry was previously vice president at Amazon Web Services and on the boards of Intel and software firm Unity Technologies.

Jack Dorsey-led Block, which offers merchant payment services and an app that lets people trade cryptocurrency reported a rise in quarterly revenue helped by higher payment volumes last month. (Reporting by Pritam Biswas in Bengaluru; Editing by Shounak Dasgupta)