Medpace CEO August Troendle Sells 2,410 Shares

A separate holding lists 4,733,019 shares through Medpace Investors, LLC, which Troendle solely manages and controls.

Rhea-AI Filing Summary

Medpace Holdings, Inc. (MEDP) President & CEO August J. Troendle reported direct sales of 2,410 common shares on September 28, 2026, at a weighted average price of $620.07 per share, and 154 shares on September 25, 2026, at $620.60 per share. A separate holding lists 4,733,019 shares held indirectly by Medpace Investors, LLC. Troendle is its sole manager and controlling unit holder, has sole voting and investment control, and disclaims beneficial ownership except to the extent of his pecuniary interest.

Insider Trade Summary

Net Seller: 2,564 shares

Net Sell 3 txns

Insider Troendle August J.

Role President & CEO

Sold 2,564 shs ($1.59M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	2,410	$620.07	$1.49M
Sale	Common Stock F1	154	$620.60	$96K
holding	Common Stock F3	--	--	--

Holdings After Transaction: Common Stock — 386,892 shares (Direct); Common Stock — 4,733,019 shares (Indirect, By Medpace Investors, LLC)

Footnotes (3)

1. F1. The transaction(s) reported on this Form 4 were effected pursuant to a limit order placed by the Reporting Person during an open window period.
2. F2. The reported price is a weighted average price. These shares were sold in multiple transactions ranging from $620.00 to $621.20. The Reporting Person undertakes to provide full pricing information to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission upon request.
3. F3. 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.

Key Figures

Shares sold September 28, 2026: 2,410 shares Weighted average price: $620.07 per share Shares sold September 25, 2026: 154 shares +2 more

5 metrics

Shares sold September 28, 2026 2,410 shares Direct sale by August J. Troendle

Weighted average price $620.07 per share September 28, 2026 sale; multiple transactions ranged from $620.00 to $621.20

Shares sold September 25, 2026 154 shares Direct sale by August J. Troendle

Sale price $620.60 per share September 25, 2026 sale

Shares held indirectly 4,733,019 shares Held by Medpace Investors, LLC as of September 25, 2026

Key Terms

weighted average price, limit order, open window period, pecuniary interest

4 terms

weighted average price financial

"The reported price is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

limit order financial

"effected pursuant to a limit order"

A limit order is an instruction to buy or sell a stock only at a specific price or better, giving you control over the exact price you pay or receive. It matters to investors because it acts like a price guard—similar to setting a maximum you’ll pay for an item at a store—so you avoid unexpected prices, though the trade may not happen if the market never reaches your limit.

open window period regulatory

"during an open window period"

pecuniary interest financial

"except to the extent of his pecuniary interest therein"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Were August J. Troendle’s MEDP stock sales under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported. The transactions were effected pursuant to a limit order Troendle placed during an open window period.

How many MEDP shares did August J. Troendle sell, and at what prices?

Troendle reported selling 2,410 shares on September 28, 2026, at a weighted average price of $620.07 per share, and 154 shares on September 25, 2026, at $620.60 per share. The September 28 sales ranged from $620.00 to $621.20.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/29/2026 - 04:13 PM Accepted by SEC EDGAR 09/29/2026 - 04:13 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Troendle August J.

(Last) (First) (Middle)

C/O MEDPACE HOLDINGS, INC.

5375 MEDPACE WAY

(Street)

CINCINNATI OHIO 45227

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Medpace Holdings, Inc. [ MEDP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/25/2026		S(1)		154	D	$620.6	389,302	D
Common Stock	09/28/2026		S(1)		2,410	D	$620.07(2)	386,892	D
Common Stock								4,733,019	I	By Medpace Investors, LLC(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The transaction(s) reported on this Form 4 were effected pursuant to a limit order placed by the Reporting Person during an open window period.

2. The reported price is a weighted average price. These shares were sold in multiple transactions ranging from $620.00 to $621.20. The Reporting Person undertakes to provide full pricing information to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission upon request.

3. 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.

Remarks:

	/s/ Stephen P. Ewald, Attorney-in-Fact for August J. Troendle	09/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)