Atlas Venture Fund XII, L.P. - Jan 6, 2022 Form 3 Insider Report for Vigil Neuroscience, Inc. (VIGL)

Role: 10%+ Owner
Signature: Atlas Venture Fund XII, L.P. By: Atlas Venture Associates XII, L.P., Its: General Partner By: Atlas Venture Associates XII, LLC, Its General Partner, By: /s/ Ommer Chohan
Stock symbol: VIGL
Transactions as of: Jan 6, 2022
Transactions value $: $0
Form type: 3
Date filed: 1/6/2022, 07:29 PM
Previous filing: Jul 6, 2021
Next filing: Jan 11, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	VIGL	Common Stock						1.44M	Jan 6, 2022	By Atlas Venture Fund XII, L.P.	F1

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
holding	VIGL	Series A Preferred Stock							Jan 6, 2022	Common Stock	2.83M		By Atlas Venture Fund XII, L.P.	F1, F2
holding	VIGL	Series B Preferred Stock							Jan 6, 2022	Common Stock	1.03M		By Atlas Venture Opportunity Fund I, L.P.	F2, F3

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

Explanation of Responses:

Id	Content
F1	These shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.
F2	These shares of Series A Preferred Stock and Series B Preferred Stock (collectively, the "Preferred Stock") are convertible into Common Stock on a one-for-2.7732 basis at the option of the holder, and will automatically convert into the number of shares shown in Column 3 immediately prior to the closing of the Issuer's initial public offering. The Preferred Stock has no expiration date.
F3	The shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.