X0609 4 2026-04-24 0 0001668397 Medpace Holdings, Inc. MEDP 0001622058 Troendle August J. false C/O MEDPACE HOLDINGS, INC. 5375 MEDPACE WAY CINCINNATI OH 45227 1 1 1 0 CEO 0 Common Stock 646184 D Common Stock 4733019 I By Medpace Investors, LLC Employee Stock Option (Right to Buy) 410.54 2026-04-24 4 A 0 20000 0 A 2033-04-24 Common Stock 20000 20000 D Restricted Stock Unit 2026-04-24 4 A 0 10000 0 A Common Stock 10000 10000 D The Reporting Person is the sole manager and controlling unit holder of Medpace Investors, LLC ("MPI") and has sole voting and investment control with respect to the securities held by MPI. The Reporting Person may be deemed to indirectly beneficially own the securities of the Issuer held by MPI but disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. The option vests on the second anniversary of the grant date, subject to the Reporting Person's continued employment with the Issuer or one of its subsidiaries. Each restricted stock unit represents a contingent right to receive one share of MEDP common stock. The restricted stock units vest in full on the second anniversary of the grant date, subject to the Reporting Person's continued employment with the Issuer or one of its subsidiaries. /s/ Stephen P. Ewald, Attorney-in-Fact for August J. Troendle 2026-04-28