Medpace Holdings, Inc. 10-Q

Item 5. Other Information During the three months ended September 30, 2025, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K, except as described in the table below: -28- Table of Contents Action Date Trading Arrangement Total Shares to be Purchased or Sold Duration/Expiration Date Rule 10b5-1* Non-Rule 10b5-1** Kevin M. Brady , Chief Financial Officer and Treasurer Adopt July 24, 2025 [1] X Up to 12,000 shares to be sold July 30, 2025 Jesse J. Geiger , President Adopt July 24, 2025 [2] X Up to 41,801 shares to be sold July 24, 2025 Susan E. Burwig , Executive Vice President, Operations Adopt July 24, 2025 [3] X Up to 7,500 shares to be sold July 30, 2025 August J. Troendle , Chief Executive Officer and Chairman of the Board Adopt July 25, 2025 [4] X Up to 356,466 shares to be sold Good until cancelled or until the commencement of the next blackout period, whichever occurs first Stephen P. Ewald , General Counsel and Corporate Secretary Adopt July 28, 2025 [5] X Up to 3,000 shares to be sold The earlier of until cancelled or 180 days from the placement of the limit order August J. Troendle , Chief Executive Officer and Chairman of the Board Terminate August 1, 2025 [6] X Up to 356,466 shares to be sold Good until cancelled or until the commencement of the next blackout period, whichever occurs first August J. Troendle , Chief Executive Officer and Chairman of the Board Adopt August 1, 2025 [7] X Up to 38,013 shares to be sold Good until cancelled or until the commencement of the next blackout period, whichever occurs first Jesse J. Geiger , President Adopt August 6, 2025 X Up to 21,503 shares to be sold November 6, 2026 Susan E. Burwig , Executive Vice President, Operations Adopt September 3, 2025 [8] X Up to 10,000 shares to be sold The earlier of until cancelled or 180 days from the placement of the limit order * Intended to satisfy the affirmative defense of Rule 10b5-1(c). ** Not intended to satisfy the affirmative defense of Rule 10b5-1(c). [1] On July 24, 2025 , Mr. Brady placed a limit order to sell up to 12,000 shares issued to him pursuant to his contemporaneous exercise of stock options. -29- Table of Contents [2] On July 24, 2025 , Mr. Geiger placed a limit order to sell up to 41,801 shares issued to him pursuant to his contemporaneous exercise of stock options. [3] On July 24, 2025 , Ms. Burwig placed a limit order to sell up to 7,500 shares that were previously acquired through a stock option exercise. Ms. Burwig modified the limit price on July 25, 2025. [4] On July 25, 2025 , Mr. Troendle placed a limit order to sell up to 356,466 shares that were previously acquired through stock option exercises. On July 28, 2025, Mr. Troendle sold 48,487 shares pursuant to the limit order. Mr. Troendle modified the limit price on July 29, 2025. [5] On July 28, 2025 , Mr. Ewald placed a limit order to sell up to 3,000 shares that were previously acquired through the vesting of restricted stock units and stock option exercises. [6] On August 1, 2025 , Mr. Troendle terminated the limit order originally adopted on July 25, 2025. [7] On August 1, 2025 , Mr. Troendle placed a limit order to sell up to 38,013 shares that were previously acquired through a stock option exercise. [8] On September 3, 2025 , Ms. Burwig placed a limit order to sell up to 10,000 shares that were previously acquired through a stock option exercise. Item 6. Exhibits The exhibits in the accompanying Exhibit Index preceding the signature page are filed or furnished as a part of this report and are incorporated herein by reference. -30- Table of Contents EXHIBIT INDEX Incorporated by Reference Exhibit Number Exhibit Description Form File No. Exhibit Filing Date Filed/ Furnished Herewith 10.1 Amendment No. 9 dated July 1 7 , 2025 to Loan Documents 8-K 001-37856 10.1 7/21/2025 31.1 Rule 13a-14(a) / 15d-14(a) Certification of Chief Executive Officer * 31.2 Rule 13a-14(a) / 15d-14(a) Certification of Chief Financial Officer * 32.1 Section 1350 Certification of Chief Executive Officer ** 32.2 Section 1350 Certification of Chief Financial Officer ** 101.INS Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document * 101.SCH Inline XBRL Taxonomy Extension Schema Document * 101.CAL Inline XBRL Taxonomy Calculation Linkbase Document * 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document * 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document * 101.PRE Inline XBRL Taxonomy Extension Presentation * 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) * Filed herewith. ** Furnished herewith. -31- Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. MEDPACE HOLDINGS, INC. /s/ Kevin M. Brady Kevin M. Brady Chief Financial Officer (Principal Financial Officer) Date: October 23, 2025 -32-