Transaction · 0002009130-26-000004

Smith Nicholas Conrad

Smith Nicholas Conrad, PRES, reported an open-market or private sale at Alto Neuroscience, Inc. involving 23170.000000 shares for an estimated $597290.16. Reported holdings after the transaction were 24946.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES
ANROAlto Neuroscience, Inc.
Filing timeOct 02
Trade dateSep 30, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded48.15%Shares sold ÷ (holdings after + shares sold). Estimated position before: 48,116 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$36.40
Pre-filing
1mo ago -2.8%1w ago +0.0%1d ago +0.0%
Returns since
7d30d90d180d1y

ANRO price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ANRO since 2026-10-02Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0002009130-26-000004
Common Stock
Transaction date
Sep 30, 2026
Filed Oct 02, 2026, 01:33 AM · 2d delay
Shares
23.1k sh
$25.78 per share
Estimated value
-$597k
Computed from shares × price
Holdings after
24.9k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Reduction Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

PRESIDENT AND CFO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    This transaction was pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026.

  2. F2

    This price is a weighted average price. These securities were sold in multiple transactions at prices ranging from $26.5513 to $26.5902 inclusive. The Reporting Person undertakes to provide to the Iss…

  3. F3

    One-third (1/3rd) of the shares underlying the option vested upon the completion of the Issuer's initial public offering and two-thirds (2/3) of the shares underlying the option vested or shall vest o…

  4. F4

    25% of the shares underlying the option vested on March 1, 2025, and one forty-eighth (1/48th) of the shares underlying the option vested or shall vest in monthly installments thereafter, subject to t…

Original filing · 0002009130-26-000004
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