Sec Form 3 Filing - Bpifrance SA @ DBV Technologies S.A. - 2025-03-27

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Bpifrance SA 2. Issuer Name and Ticker or Trading Symbol DBV Technologies S.A. [ DBVT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 6-8, BOULEVARD HAUSSMANN 3. Date of Earliest Transaction (MM/DD/YY) 03/27/2025 (Street) PARIS, I075009 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Ordinary Shares 10,672,462 ( 1 ) I By Bpifrance Participations S.A. Ordinary Shares 226,133 ( 2 ) I By Innobio FPCI

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Warrants (right to buy) ( 3 ) 04/07/2025 04/07/2027 Ordinary Shares 6,556,781 ( 1 ) I By Bpifrance Participations S.A.

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bpifrance SA 6-8, BOULEVARD HAUSSMANN PARIS, I075009 X Bpifrance Participations SA 6-8, BOULEVARD HAUSSMANN PARIS, I075009 X CAISSE DES DEPOTS ET CONSIGNATIONS 56, RUE DE LILLE PARIS, I075007 X Signatures /s/ Sophie Paquin, Director of Legal Affairs, Bpifrance Participations S.A. 04/07/2025 Signature of Reporting Person Date /s/ Laurence Giraudon, Chief Operating Officer, Finance and Operations Department, Asset Management Division, Caisse des Depots 04/07/2025 Signature of Reporting Person Date /s/ Boubakar Dione, Group Director of Legal Affairs, Bpifrance S.A. 04/07/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Bpifrance Participations S.A. ("Bpifrance Participations") directly owns the reported shares. Bpifrance Participations is a subsidiary owned at 99.99% by Bpifrance S.A. ("Bpifrance"). Bpifrance is jointly owned by Caisse des Depots et Consignations ("CDC") at 49.2% and EPIC Bpifrance ("EPIC") at 49.2%. CDC and EPIC jointly control Bpifrance. ( 2 )Innobio FPCI ("Innobio") directly owns the reported shares. Innobio is a fund managed by Bpifrance Investissement S.A.S. ("Bpifrance Investissement"), a subsidiary owned at 100% by Bpifrance Participations. Bpifrance Investissement may be deemed the beneficial owner of the reported shares, through its management of Innobio. ( 3 )The exercise of one warrant will give the right to subscribe to 1.75 ordinary shares at a price of (euro)1.5939 per warrant.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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