Alto Neuroscience, Inc. (ANRO) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-05-29

Alto Neuroscience, Inc. (ANRO) has filed 7 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-29. 5 Form 8-K material event filings were reported by ANRO in the last 90 days. InsiderAlpha tracks every ANRO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Alto Neuroscience, Inc. (ANRO)

SEC CIK0001999480

90-Day SEC Filing Activity

Form 4 filings (90d)7
Form 8-K filings (90d)5
Latest Form 4 filing2026-05-29

Recent ANRO Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Etkin AmitPRESIDENT AND CEOG — Bona-fide gift400.0K$0.00SEC
Etkin AmitPRESIDENT AND CEOF — Tax withholding / forfeiture6.2K$19.69$123KSEC
Smith Nicholas ConradCHIEF FINANCIAL OFFICER & CBOF — Tax withholding / forfeiture2.8K$19.69$55KSEC

All transactions sourced from SEC EDGAR Form 4 filings for Alto Neuroscience, Inc. (ANRO). Updated in real time as new filings are submitted to the SEC.

Most-Active ANRO Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Sanchez Ramiro1
Etkin Amit1
Miller Andrew Craig1
Cox Christopher Nixon1
Manji Husseini1

Recent ANRO Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ANRO insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

ANRO Insider Trading — FAQ

What is the latest insider trade for ANRO?
Alto Neuroscience, Inc. (ANRO) had 7 insider filings in the last 90 days, with the most recent on 2026-05-29. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying ANRO stock?
0 insider purchases of ANRO were filed in the last 90 days.
How many insiders are selling ANRO stock?
0 insider sales of ANRO were filed in the last 90 days.
Where can I see ANRO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every ANRO SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live ANRO dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.