Company

Alto Neuroscience, Inc.

ANRO · CIK 0001999480

SEC FORM 4

$56,531.60

Acquisition (code M) of 24,056 shares at $2.35 per share.

Reporting Person Smith Nicholas Conrad · Officer Title PRESIDENT AND CFO · Transaction Code M

Traded Sep 30, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0002009130-26-000004 · filed 2026-10-01 · View filing →

SEC FORM 4

$597,290.16

Sale of 23,170 shares at $25.7786 per share.

Reporting Person Smith Nicholas Conrad · Officer Title PRESIDENT AND CFO · Transaction Code S

Traded Sep 30, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0002009130-26-000004 · filed 2026-10-01 · View filing →

SEC FORM 4

$23,806.82

Sale of 886 shares at $26.87 per share.

Reporting Person Smith Nicholas Conrad · Officer Title PRESIDENT AND CFO · Transaction Code S

Traded Sep 30, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0002009130-26-000004 · filed 2026-10-01 · View filing →

SEC FORM 4

$132,669.25

Acquisition (code M) of 56,455 shares at $2.35 per share.

Reporting Person Smith Nicholas Conrad · Officer Title PRESIDENT AND CFO · Transaction Code M

Traded Sep 29, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0002009130-26-000004 · filed 2026-10-01 · View filing →

SEC FORM 4

$127,781.25

Acquisition (code M) of 54,375 shares at $2.35 per share.

Reporting Person Smith Nicholas Conrad · Officer Title PRESIDENT AND CFO · Transaction Code M

Traded Sep 29, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0002009130-26-000004 · filed 2026-10-01 · View filing →

SEC FORM 4

$2,946,149.56

Sale of 110,830 shares at $26.5826 per share.

Reporting Person Smith Nicholas Conrad · Officer Title PRESIDENT AND CFO · Transaction Code S

Traded Sep 29, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0002009130-26-000004 · filed 2026-10-01 · View filing →