Alto Neuroscience Ownership & Insider Activity

Alto Neuroscience (ANRO) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.4% of shares outstanding. Institutional investors hold 27.6%.

Shares Outstanding

39.242M

Shares Float

33.497M

Insider Shares Owned

929.635K

Insider % Owned

2.4%

Institutional Shares Held

10.842M

Institutional % Held

27.6%

Ownership Breakdown

Net Insider Activity by Month

Alto Neuroscience Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 29, 2026	Conrad Nicholas Smith	PRESIDENT AND CFO	SELL-OPTIONS	—	$14.40	$3.3M