DBV Technologies S.A. — Director's Dealing 2025

Dec 19, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DBV Technologies S.A. (DBVT)
CIK: 0001613780
Period of Report: 2025-12-17

Reporting Person: EPIC Bpifrance (Member of 10% owner group)
Reporting Person: Bpifrance Participations SA (Member of 10% owner group)
Reporting Person: Bpifrance SA (Member of 10% owner group)
Reporting Person: Bpifrance Investissement S.A.S. (Member of 10% owner group)
Reporting Person: CAISSE DES DEPOTS ET CONSIGNATIONS (Member of 10% owner group)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-17	Ordinary Shares	S	2036990	$4.84	Disposed	8635472	Indirect
2025-12-17	Ordinary Shares	S	40000	$5.28	Disposed	8595472	Indirect
2025-12-18	Ordinary Shares	S	1292103	$4.19	Disposed	7303369	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	226133	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price in US Dollars and reflects the conversion of EURO to USD at an exchange rate of $1.1741 to EURO 1.00 as of December 17, 2025. The shares were sold in multiple transactions at prices ranging from $4.24 to $5.23 per share, inclusive. The reporting person unterakes to provide DBV Technologies S.A., any security holder of DBV Technologies S.A., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes 1 and 4 of this Form 4.

F2: 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.

F3: The price reported in Column 4 reflects the conversion of EURO to USD at an exchange rate of $1.1741 to EURO 1.00 as of December 17, 2025.

F4: The price reported in Column 4 is a weighted average price in US Dollars and reflects the conversion of EURO to USD at an exchange rate of $1.1727 to EURO 1.00 as of December 18, 2025 . The shares were sold in multiple transactions at prices ranging from $3.79 to $4.32 per share, inclusive.

F5: 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.