Butterfly Network Inc. Watch

from S-3 38 pages Butterfly Network, Inc., Issuer and [Trustee], Trustee Indenture Dated as of [●], 202[●] Subordinated Debt Securities

from S-3 38 pages Butterfly Network, Inc., Issuer and [Trustee], Trustee Indenture Dated as of [●], 202[●] Senior Debt Securities

from POS AM 2 pages ​ ​ See Reverse for Important Notice Regarding Ownership and Transfer Restrictions and Certain Other Information Incorporated Under the Laws of the State of Delaware Class B Common Stock See Reverse for Certain Definitions Specimen Fully Paid and Non-Assessable Shares of the Class B Common Stock, $0.0001 Par Value, of Butterfly Network, Inc. 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 Bylaws, 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. 2020 0000001 Chief Financial Officer President and Chief Executive Officer

from 10-K/A 14 pages Description of the Registrant’s Securities

from 10-K 14 pages Description of the Registrant’s Securities

from 10-K 16 pages Description of the Registrant’s Securities

from 8-K 2 pages Indenture or similar

from S-4/A 2 pages Indenture or similar

from 8-K 29 pages Warrant Agreement Between Longview Acquisition Corp. and Continental Stock Transfer & Trust Company

from S-1 29 pages Warrant Agreement Between Longview Acquisition Corp. and Continental Stock Transfer & Trust Company

from S-1 4 pages Longview Acquisition Corp

from S-1 3 pages Longview Acquisition Corp. Units Consisting of One Share of Class a Common Stock and One-Third of One Redeemable Warrant, Each Whole Warrant Entitling the Holder to Purchase One Share of Class a Common Stock

from DRS/A 29 pages Warrant Agreement Between Longview Acquisition Corp. and Continental Stock Transfer & Trust Company

from DRS/A 4 pages Longview Acquisition Corp

from DRS/A 3 pages Longview Acquisition Corp. Units Consisting of One Share of Class a Common Stock and One-Third of One Redeemable Warrant, Each Whole Warrant Entitling the Holder to Purchase One Share of Class a Common Stock