August J. Troendle, chief executive officer of Medpace Holdings, Inc. ($MEDP), sold 49,018 shares at $628.11 per share on September 22, 2026, for $30,788,695.98, according to a Form 4 filed with the SEC on September 23. The open-market transaction left Troendle with 433,372 shares.
The sale was the fifth in an eight-day stretch. On September 21, Troendle sold 21,883 shares at $623.29 for $13,639,455.07. On September 17, he sold 10,880 shares at $620.40 for $6,749,952. On September 16, he sold 8,770 shares at $621.29 for $5,448,713.30. On September 15, he sold 15,971 shares at $620.84 for $9,915,435.64. Together, the five September sales totaled 106,522 shares and roughly $66.5 million, all reported as open-market sales. His reported holdings declined from 523,923 shares after the September 15 sale to 433,372 shares after the September 22 sale.
The September 22 filing reached the SEC one day after the trade, while the September 21 sale was disclosed two days after it occurred; both appeared on the same Form 4.
The selling extended through August. Troendle reported open-market sales of 5,534 shares on August 10, 17,610 on August 11, 11,366 on August 12, 458 on August 13, 13,995 on August 21, and 1,983 on August 24. Those six August transactions disposed of 50,946 shares for about $31.1 million. From August 10 through September 22, Troendle's reported open-market sales totaled 157,468 shares for roughly $97.6 million.
Other Medpace insiders reported sales in the same window. Director Robert O. Kraft sold 3,858 shares on August 26 for $2,383,510.98, and director Cornelius P. McCarthy III sold 795 shares on August 7 for $465,131.45.
In congressional disclosures, Representative David J. Taylor reported a purchase of $MEDP on May 15, 2026, which was disclosed 13 days later on May 28. Congressional filings report values as bracketed ranges rather than exact amounts, so midpoint figures are estimates of actual values.
Troendle's reported sales in late 2025 included 23,178 shares on December 1 and 15,151 shares on November 28, when the stock traded near $593 per share.