0001579428 2021-09-14 2021-09-14 false 0001579428 8-K 2021-09-14 Axsome Therapeutics, Inc. DE 001-37635 45-4241907 22 Cortlandt Street 16th Floor New York NY 10007 (212) 332-3241 Common Stock, Par Value $0.0001 Per Share AXSM NASDAQ false false false false false