X0508 4 2025-05-20 0001799011 Lucid Diagnostics Inc. LUCD 0001817012 Matheis Dennis 360 MADISON AVENUE, 25TH FLOOR NEW YORK NY 10017 1 0 0 0 0 Common Stock 2025-05-20 4 P 0 187098 1.2950 A 187098 D Common Stock 2025-05-21 4 P 0 129684 1.3226 A 316782 D Common Stock 2025-05-22 4 P 0 33218 1.3184 A 350000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.265 to $1.30. inclusive. The reporting person undertakes to provide to Lucid Diagnostics Inc., any security holder of Lucid Diagnostics Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (2) and (3) to this Form4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.315 to $1.32, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.305 to $1.32, inclusive. /s/ Michael A. Gordon, by power of attorney 2025-05-22