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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1827087	Vigil Neuroscience Inc.	VIGL	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1592380	Clay Thorp	Vigil Neuroscience, Inc. 1 Broadway, 7Th Floor, Suite 07-300 Cambridge MA 02142		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2022-01-11	1,254,335	$0.00	1,254,335	No	4	C	Indirect	By Hatteras Venture Partners VI, L.P.
Common Stock	Acquisiton	2022-01-11	265,000	$14.00	1,519,335	No	4	P	Indirect	By Hatteras Venture Partners VI, L.P.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	C	Indirect	By Hatteras Venture Partners VI, L.P.
No	4	P	Indirect	By Hatteras Venture Partners VI, L.P.

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A Preferred Stock	Disposition	2022-01-11	2,552,021	$0.00	920,243	$0.00
Common Stock	Series B Preferred Stock	Disposition	2022-01-11	926,506	$0.00	334,092	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	C	Indirect
0			No	4	C	Indirect

Footnotes

Each share of Series A Preferred Stock and 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 1, 2022 and had no expiration date.
The shares are held directly by Hatteras Venture Partners VI, L.P. ("Hatteras VI"). Hatteras Venture Advisors VI, LLC ("HVA VI") is the general partner of Hatteras VI. The Reporting Person is a managing member of HVA VI and disclaims beneficial ownership of the shares held by Hatteras VI except to the extent of his pecuniary interest therein, if any.
On January 11, 2022, Hatteras VI purchased 265,000 shares of Common Stock of the Issuer at a price of $14.00 per share pursuant to an underwritten public offering.