Axsome Therapeutics Ownership & Insider Activity

Axsome Therapeutics (AXSM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.3% of shares outstanding. Institutional investors hold 46.6%. Over the past 90 days, insiders made 2 sales worth $4.2M.

Shares Outstanding

52.381M

Shares Float

33.781M

Insider Shares Owned

160.492K

Insider % Owned

0.3%

Institutional Shares Held

23.997M

Institutional % Held

46.6%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$4.2M total

Net Activity

Net Selling

Net Value (90d)

-$4.2M

Axsome Therapeutics Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 5, 2026	HERRIOT TABUTEAU	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$108.57	$10.3M
Jul 1, 2026	HERRIOT TABUTEAU	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$122.60	$11.7M
Jun 10, 2026	ROGER JEFFS	—	SELL	572.000	$247.65	$142K
Jun 9, 2026	HERRIOT TABUTEAU	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$122.98	$11.7M
Jun 9, 2026	Nick Pizzie	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$121.80	$7.8M
Jun 8, 2026	Susan Mahony	—	SELL-OPTIONS	829.000	$241.69	$145K
Jun 8, 2026	Mark Coleman	—	SELL-OPTIONS	786.000	$249.00	$160K
May 29, 2026	Mark Coleman	—	SELL	17.537K	$229.20	$4.0M
May 4, 2026	Mark Jacobson	CHIEF OPERATING OFFICER	SELL-OPTIONS	—	$120.45	$1.0M
Apr 22, 2026	Ari Maizel	CHIEF COMMERCIAL OFFICER	SELL-OPTIONS	—	$126.57	$838K
Feb 26, 2026	Mark Coleman	—	SELL	25.000K	$161.11	$4.0M
Feb 26, 2026	Mark Jacobson	CHIEF OPERATING OFFICER	SELL-OPTIONS	—	$82.36	$5.6M

Date	Member	Party	Chamber	Action	Amount
Jun 16, 2022	Chris Jacobs	R	House	P	$15,001 - $50,000