EX-4.1





 Exhibit 4.1 
  





 
 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# PO BOX 505006, Louisville, KY 40233-5006 MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD
2 ADD 3 ADD 4 CUSIP/IDENTIFIER XXXXXX XX X Holder ID XXXXXXXXXX Insurance Value 1,000,000.00 Number of Shares 123456 DTC 12345678 123456789012345 Certificate Numbers Num/No. Denom. Total 1234567890/1234567890 1 1 1 1234567890/1234567890 2 2 2
1234567890/1234567890 3 3 3 1234567890/1234567890 4 4 4 1234567890/1234567890 5 5 5 1234567890/1234567890 6 6 6 Total Transaction 7 COMMON STOCK COMMON STOCK PAR VALUE $.0001 Certificate Shares Number * * 000000 * * * 000000 * ZQ00000000 000000
VIGIL NEUROSCIENCE, INC. * 000000 * 000000 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David
Sample SEE REVERSE FOR CERTAIN DEFINITIONS Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David THIS CERTIFIES THAT Sample Mr. Alexander David
Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr MR . Alexander.David SAMPLE Sample Mr. Alexander David &Sample MRS Mr. Alexander . SAMPLE
David Sample Mr. Alexander & David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr Alexander David Sample Mr. Alexander David Sample CUSIP 92673K 10 8 Mr. Alexander David
Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander
David Sample Mr. Alexander David Sample Mr. Alexander MR David Sample . SAMPLE Mr. Alexander David Sample &Mr . Alexander MRS David Sample . SAMPLE Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander
David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample
Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Alexander David Sample Mr. Sample Mr. Sample is the owner of 000000 Shares 000000 Shares 000000 Shares
000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares * *000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000
Shares 000000 Shares 000000 Shares 000000 Shares 0 THIS CERTIFICATE IS TRANSFERABLE IN 00000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 00 *ZERO^HUNDRED THOUSAND 0000 Shares 000000 Shares
000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000 CITIES DESIGNATED BY THE TRANSFER 000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 0000 AGENT,
AVAILABLE ONLINE AT 00 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 00000 0 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000
ZERO HUNDRED AND ZERO * www.computershare.com Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000* *Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000
Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 Shares 000000 S FULLY-PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF VIGIL
NEUROSCIENCE, INC. (hereinafter called the “Company”), transferable on the books of the Company in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. This Certificate and the shares represented
hereby, are issued and shall be held subject to all of the provisions of the Certificate of Incorporation, as amended, and the By-Laws, as amended, of the Company (copies of which are on file with the Company
and with the Transfer Agent), to all of which each holder, by acceptance hereof, assents. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. Witness the facsimile seal of the Company and the
facsimile signatures of its duly authorized officers. DATED DD-MMM-YYYY OSCI R E COUNTERSIGNED AND REGISTERED: FACSIMILE SIGNATURE TO COME U N E RPOR C N O AT E
COMPUTERSHARE TRUST COMPANY, N.A. C E , President I L I N TRANSFER AGENT AND REGISTRAR, I G V C . 6/22/2020 DEL RE FACSIMILE SIGNATURE TO COME AWA By Secretary AUTHORIZED SIGNATURE 












 



 
 VIGIL NEUROSCIENCE, INC. THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS,
DESIGNATIONS, PREFERENCES AND RE ATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE COMPANY AND THE QUA IFICATIONS, IMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS,
PREFERENCES AND IMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE CERTIFICATE OF INCORPORATION OF THE COMPANY, AS AMENDED, AND THE RESO UTIONS OF THE BOARD OF DIRECTORS OF THE COMPANY, AND THE AUTHORITY OF THE BOARD OF DIRECTORS TO
DETERMINE VARIATIONS FOR FUTURE SERIES. SUCH REQUEST MAY BE MADE TO THE OFFICE OF THE SECRETARY OF THE COMPANY OR TO THE TRANSFER AGENT. THE BOARD OF DIRECTORS MAY REQUIRE THE OWNER OF A OST OR DESTROYED STOCK CERTIFICATE, OR HIS EGA
REPRESENTATIVES, TO GIVE THE COMPANY A BOND TO INDEMNIFY IT AND ITS TRANSFER AGENTS AND REGISTRARS AGAINST ANY C AIM THAT MAY BE MADE AGAINST THEM ON ACCOUNT OF THE A EGED OSS OR DESTRUCTION OF ANY SUCH CERTIFICATE. The following abbreviations, when
used in the inscription on the face of this certificate, sha be construed as though they were written out in fu according to applicabe laws or regulations: TEN COM as tenants in common UNIF GIFT MIN ACT -Custodian (Cust) (Minor) TEN ENT as tenants
by the entireties under Uniform Gifts to Minors Act (State) JT TEN as joint tenants with right of survivorship UNIF TRF MIN ACT -Custodian (unti age ) and not as tenants in common (Cust) .under Uniform Transfers to Minors Act (Minor) (State)
Additiona abbreviations may a so be used though not in the above ist. P EASE INSERT SOCIA SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE For va ue received, hereby se , assign and transfer unto (P EASE PRINT OR TYPEWRITE NAME AND ADDRESS, INC
UDING POSTA ZIP CODE, OF ASSIGNEE) Shares of the common stock represented by the within Certificate, and do hereby irrevocab y constitute and appoint Attorney to transfer the said stock on the books of the within-named Company with fu power of
substitution in the premises. Dated: 20 Signature(s) Guaranteed: Meda ion Guarantee Stamp THE SIGNATURE(S) SHOU D BE GUARANTEED BY AN E IGIB E GUARANTOR INSTITUTION (Banks, Stockbrokers, Savings and oan Associations and Credit Unions) WITH
MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDA ION PROGRAM, PURSUANT TO S.E.C. RU E 17Ad-15. Signature: Signature: Notice: The signature to this assignment must correspond with the name as written upon the
face of the certificate, in every particu ar, without a teration or en argement, or any change whatever. The IRS requires that the named transfer agent (“we”) report the cost basis of certain shares or units acquired after January 1,
2011. If your shares or units are covered by the ation, and you requested to se or transfer the shares or units using a specific cost basis ca cu ation method, then we have processed as you requested. If you did not specify a cost basis ca cu ation
method, then we have defau ted to the first in, first out (FIFO) method. P ease consu t your tax advisor if you need additiona information about cost basis. If you do not keep in contact with the issuer or do not have any activity in your account
for the time period specified by state aw, your property may become subject to state unc aimed property aws and transferred to the appropriate state.