X0202 SCHEDULE 13G/A 0001687078-26-000012 0001687078 XXXXXXXX LIVE 2 Ordinary Shares, nominal value 0.10 euro per share 06/30/2026 0001613780 DBV TECHNOLOGIES S.A. 23306J309 177-181 AVENUE PIERRE BROSSOLETTE MONTROUGE I0 92120 Rule 13d-1(b) MPM BioImpact LLC DE 18331420.00 0.00 18331420.00 0.00 18331420.00 6.2 IA DBV TECHNOLOGIES S.A. 177-181 AVENUE PIERRE BROSSOLETTE, MONTROUGE, I0, 92120. MPM BioImpact LLC 399 Boylston Street, Suite 1100 Boston, MA 02116 Delaware N IA There is no CUSIP number assigned to the Ordinary Shares. CUSIP number 23306J309 has been assigned to the American Depositary Shares ("ADSs") of the Issuer. Each ADS represents five Ordinary Shares. The shares reported herein for the Reporting Person include 18,331,420 Ordinary Shares represented by ADSs. 6.2% 18,331,420 0 18,331,420 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. MPM BioImpact LLC Christopher Wolf 08/14/2026