SCHEDULE 13G/A 0000310051 XXXXXXXX LIVE 7 Common Stock 09/30/2025 0001604950 scPharmaceuticals Inc. 810648105 25 Mall Road Suite 203 Burlington MA 01803 Rule 13d-1(b) Rule 13d-1(c) Luther King Capital Management Corporation b DE 2128391 0 2128391 0 2128391 N 4.0 IA CO J. Luther King, Jr. b X1 2128391 0 2128391 0 2128391 N 4.0 IN scPharmaceuticals Inc. 25 Mall Road, Suite 203, Burlington, Massachusetts 01803 Luther King Capital Management Corporation J. Luther King, Jr. 301 Commerce Street, Suite 1600, Fort Worth, Texas 76102 Luther King Capital Management Corporation - Delaware / J. Luther King, Jr. - USA Y Luther King Capital Management Corporation - 2,128,391 J. Luther King, Jr. - 2,128,391 Luther King Capital Management Corporation - 4.0% J. Luther King, Jr. - 4.0% Luther King Capital Management Corporation - 2,128,391 J. Luther King, Jr. - 2,128,391 0 Luther King Capital Management Corporation - 2,128,391 J. Luther King, Jr. - 2,128,391 0 N 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. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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. Luther King Capital Management Corporation /s/ J. Luther King, Jr. 10/08/2025 J. Luther King, Jr. /s/ J. Luther King, Jr. 10/08/2025