Stefan Vitorovic - Jan 11, 2022 Form 4 Insider Report for Vigil Neuroscience, Inc. (VIGL)

Role: Director
Signature: /s/Jennifer Ziolkowski, Attorney-in-Fact
Stock symbol: VIGL
Transactions as of: Jan 11, 2022
Transactions value $: $23,450,000
Form type: 4
Date filed: 1/11/2022, 08:11 PM
Previous filing: Jan 6, 2022
Next filing: May 27, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VIGL	Common Stock	Conversion of derivative security		+3.33M			3.33M	Jan 11, 2022	By Vida Ventures III, L.P.	F1, F2
transaction	VIGL	Common Stock	Conversion of derivative security		+7.68K			7.68K	Jan 11, 2022	By Vida Ventures III-A, L.P.	F1, F3
transaction	VIGL	Common Stock	Purchase	$23.4M	+1.67M	+50.14%	$14.00	5M	Jan 11, 2022	By Vida Ventures III, L.P.	F2, F4
transaction	VIGL	Common Stock	Purchase	$53.9K	+3.85K	+50.13%	$14.00	11.5K	Jan 11, 2022	By Vida Ventures III-A, L.P.	F3, F5

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	Series B Preferred Stock	Conversion of derivative security	$0	-9.24M	-100%	$0.00^*	0	Jan 11, 2022	Common Stock	3.33M		By Vida Ventures III, L.P.	F1, F2
transaction	VIGL	Series B Preferred Stock	Conversion of derivative security	$0	-21.3K	-100%	$0.00^*	0	Jan 11, 2022	Common Stock	7.68K		By Vida Ventures III-A, L.P.	F1, F3

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

Explanation of Responses:

Id	Content
F1	Each share of Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.
F2	The shares are held directly by Vida Ventures III, L.P. ("Vida III"). Vida Ventures GP III, L.L.C. ("Vida III GP") is the general partner of of Vida III. The Reporting Person is a managing member of Vida III GP and disclaims beneficial ownership of the shares held directly by Vida III, except to the extent of his pecuniary interest therein, if any.
F3	The shares are held directly by Vida Ventures III-A, L.P. ("Vida III-A"). Vida III GP is the general partner of of Vida III-A. The Reporting Person is a managing member of Vida III GP and disclaims beneficial ownership of the shares held directly by Vida III-A, except to the extent of his pecuniary interest therein, if any.
F4	On January 11, 2022, Vida III purchased 1,671,148 shares of Common Stock of the Issuer at a price of $14.00 per share pursuant to an underwritten public offering.
F5	On January 11, 2022, Vida III-A purchased 3,852 shares of Common Stock of the Issuer at a price of $14.00 per share pursuant to an underwritten public offering.