Form of Class A Common Stock certificate of CoreWeave, Inc

Exhibit 4.1

ZQCERT|COY CLS/RGSTRY|ACCT#TRANSTYPE RUNFTRANS# CLASS A COMMON STOCK PAR VALUE 50.0001 Certificate Number THIS CERTIFIES THAT is the owner of CLASS A COMMON STOCK Core Weave CoreWeave, Inc. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE MR SAMPLE & MRS. SAMPLE & MR-SAMPLE & MRS. SAMPLE ZERO HUNDRED THOUSAND ZERO HUNDRED AND ZERO Shares SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 218735 10 8 THIS CERTIFICATE IS TRANSFERADLE IN CITIES DESIGNATED BY THE TRANSPER AGENT, AVAILABLE ONLINE AT FULLY-PAID AND NON-ASSESSABLE SHARES OF CLASS A COMMON STOCK OF CoreWeave, 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. WEAVE SEAL CUSIPIDENTIFIER Holder ID Insurance Value Number of Shares DTC Certificate Numbers ###-###-#### ###-###-#### ###-###-#### ###-###-#### 12345678 123456789012345 FACSIMILE SIGNATURE TO COME 500mtary DATED DO-MMM/YYYY COUNTERSIGNED AND REGISTERED COMPUTERSHARE TRUST COMPANY, N.A. TRANSFER AGENT AND REGISTRAR. By. AUTHORLD SIGNATURE FACSIMILE SIGNATURE TO COME 1234567 ###-###-#### ###-###-#### ###-###-#### ###-###-#### NumiNo, Denom. Total 1 1 123456 PO Box 43004, Providence RI 02940-3004MR A SAMPLEDESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD ###-###-#### ###-###-#### ###-###-#### ###-###-#### Total Transaction

.COREWEAVE, INC.THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE COMPANY AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE CERTIFICATE OF INCORPORATION OF THE COMPANY, AS AMENDED, AND THE RESOLUTIONS 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 LOST OR DESTROYED STOCK CERTIFICATE, OR HIS LEGAL REPRESENTATIVES, TO GIVE THE COMPANY A BOND TO INDEMNIFY IT AND ITS TRANSFER AGENTS AND REGISTRARS AGAINST ANY CLAIM THAT MAY BE MADE AGAINST THEM ON ACCOUNT OF THE ALLEGED LOSS OR DESTRUCTION OF ANY SUCH CERTIFICATE.The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations:TENCOM—as tenants in commonUNIF GIFT MIN ACT -............................................ (Cust)Custodian................................................ (Minor) TENENT —as tenants by the entiretiesunder Uniform Gifts to Minors Act........................................................ (State)JTTEN—and as joint not tenants as tenants with in right common of survivorshipUNIFTRF MIN ACT-............................................ (Cust) Custodian (until age................................ )............................. (Minor)under Uniform Transfers to Minors Act................... (State)Additional abbreviations may also be used though not in the above list.PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEEFor value received,____________________________ hereby sell, assign and transfer unto________________________________________________________________________________________________________________________________(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE, OF ASSIGNEE)________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________ Shares of the Class A Common stock represented by the within Certificate, and do hereby irrevocably constitute and appoint _______________________________________________________________________________________________________________________ Attorney to transfer the said stock on the books of the within-named Company with full power of substitution in the premises.Dated: __________________________________________ 20__________________ Signature(s) Guaranteed: Medallion Guarantee StampTHE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (Banks, Stockbrokers, Savings and Loan Associations and Credit Unions) WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 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 particular, without alteration or enlargement, or any change whatever.The basis shares IRS of orcertain requires units are shares that covered the or units named by the acquired transfer legislation, after agentJanuary and (“we”) you1, report requested 2011 the . Ifcost your to sell or method, specify transfer a then cost thewe basis shares have calculation or processed units using method, as a you specific then requested we cost have basis . If defaulted you calculation did not to the first need in, additional first out (FIFO) information method about . Please cost basis consult . your tax advisor if you activity If you do in not your keep account in contact for the with time the period issuer specified or do not by have state any law, your laws property and transferred may become to the appropriate subject to state state unclaimed . property