Bruce Booth - Mar 3, 2025 Form 4 Insider Report for Vigil Neuroscience, Inc. (VIGL)

Role: Director
Signature: /s/ Ommer Chohan, Attorney-in-Fact
Stock symbol: VIGL
Transactions as of: Mar 3, 2025
Transactions value $: $0
Form type: 4
Date filed: 3/4/2025, 05:04 PM
Previous filing: Feb 10, 2025
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	VIGL	Stock Option Award (Right to Buy)	Award	$0	+48.4K		$0.00	48.4K	Mar 3, 2025	Common Stock	48.4K	$2.19	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This stock option award was issued pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of cash compensation, and the shares subject to this award vest and become exercisable in four equal quarterly installments on the last day of each calendar quarter occurring hereafter, with the first installment vesting on March 31, 2025.
F2	The Reporting Person is a member of Atlas Venture Associates XII, LLC and is obligated to transfer the economic benefit, if any, received upon the sale of the shares issuable upon exercise of this stock option award to Atlas Venture Life Science Advisors, LLC. As such, the Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

Content

This stock option award was issued pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of cash compensation, and the shares subject to this award vest and become exercisable in four equal quarterly installments on the last day of each calendar quarter occurring hereafter, with the first installment vesting on March 31, 2025.

The Reporting Person is a member of Atlas Venture Associates XII, LLC and is obligated to transfer the economic benefit, if any, received upon the sale of the shares issuable upon exercise of this stock option award to Atlas Venture Life Science Advisors, LLC. As such, the Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.