Gwill York

CIK: 0002008499

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ANRO

Alto Neuroscience, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (4 total)

ANRO
Alto Neuroscience, Inc.
May 12, 2026
Award(A)
Stock Option (right to buy)
Direct
11K shares-
ANRO
Alto Neuroscience, Inc.
Jan 2, 2026
Award(A)
Stock Option (right to buy)
Direct
5.2K shares at avg. $11.82-
ANRO
Alto Neuroscience, Inc.
May 13, 2025
Award(A)
Stock Option (right to buy)
Direct
15.3K shares-
ANRO
Alto Neuroscience, Inc.
Jan 2, 2025
Award(A)
Stock Option (right to buy)
Direct
19.6K shares at avg. $3.17-

		Type	Shares	Price		Ownership
May 12, 2026	ANRO Alto Neuroscience, Inc.	Award(A) Stock Option (right to buy)	10,958	-	-	Direct
Jan 2, 2026	ANRO Alto Neuroscience, Inc.	Award(A) Stock Option (right to buy)	5,243	$11.82	-	Direct
May 13, 2025	ANRO Alto Neuroscience, Inc.	Award(A) Stock Option (right to buy)	15,287	-	-	Direct
Jan 2, 2025	ANRO Alto Neuroscience, Inc.	Award(A) Stock Option (right to buy)	19,558	$3.17	-	Direct

1-4 of 4 transactions

About York Gwill

York Gwill (SEC CIK 0002008499) files insider reports with the SEC as Director of Alto Neuroscience, Inc. (ANRO).

Signal8 holds 4 ownership filings by York Gwill, all Form 4s, filed between Jan 6, 2025 and May 14, 2026. Those filings report 4 transactions, from Jan 2, 2025 to May 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on York Gwill's filings is in MOUNTAIN VIEW, CA.

Recent filings by York Gwill

May 12, 2026: Grant or award of ANRO derivative securities (Form 4, code A).
Jan 2, 2026: Grant or award of ANRO derivative securities (Form 4, code A).
May 13, 2025: Grant or award of ANRO derivative securities (Form 4, code A).
Jan 2, 2025: Grant or award of ANRO derivative securities (Form 4, code A).

Other insiders filing for Alto Neuroscience, Inc. (ANRO)

Smith Nicholas Conrad, PRESIDENT AND CFO
Miller Andrew Craig, Director
Etkin Amit, PRESIDENT AND CEO
Sanchez Ramiro, Director
Cox Christopher Nixon, Director
Manji Husseini, Director

How to read Form 4 transaction codes