Alto Neuroscience ($ANRO) Insider Trading & Smart Money Activity

Alto Neuroscience, Inc. · Biotechnology · Latest filing Sep 30, 2026

Alto Neuroscience, Inc. ($ANRO) has 2 insider trades and 2 13F position changes on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($3.57M), net -$3.57M.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
1
Net insider $ (12 mo)
-$3.57M
Congress trades (12 mo)
0
13F moves on file
2
Analyst ratings on file
0

ANRO insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 0 0 / 0 0 / 2
Q3 2026 0 2 · $3.57M 0 / 0 0 / 0
Q4 2026 0 0 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All ANRO insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Smith Nicholas ConradPRESIDENT AND CFO Sell (Open-market sale) 10b5-1 24.06K sh $621.10K —
Insider Smith Nicholas ConradPRESIDENT AND CFO Sell (Open-market sale) 10b5-1 110.83K sh $2.95M —
13F Alkeon Capital Management Reduced -250K sh $4.88M —
13F Alkeon Capital Management Reduced -250K sh $6.19M —

1W / 1M / 6M = how ANRO moved from the trade or filing date.

Insider trading in ANRO: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Smith Nicholas Conrad PRESIDENT AND CFO 2 -$3.57M Sep 30, 2026

Institutions moving ANRO (13F)

Frequently asked questions

Are ANRO insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 2 open-market sales worth $3.57M, a net -$3.57M.

What is the latest insider trade in ANRO?

Smith Nicholas Conrad, PRESIDENT AND CFO filed a sell (open-market sale) of 24.06K sh worth $621.10K on Sep 30, 2026.

Which institutions changed their ANRO positions?

Recent 13F filers moving the stock include Alkeon Capital Management.

Other biotechnology stocks

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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