[8-K] TransMedics Group, Inc. Reports Material Event

Rhea-AI Filing Summary

TransMedics Group, Inc. (TMDX) furnished an 8-K to announce it issued a press release with financial results for the quarter ended September 30, 2025. The press release is attached as Exhibit 99.1 and incorporated by reference.

The company specifies the information is being furnished, not filed, meaning it is not subject to Section 18 liability and will only be incorporated into other filings if expressly referenced. The common stock trades on the Nasdaq Global Market under the symbol TMDX.

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

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 29, 2025

TransMedics Group, Inc.

(Exact name of Registrant as Specified in Its Charter)

Massachusetts			001-38891	83-2181531
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
200 Minuteman Road
Andover, Massachusetts				01810
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (978) 552-0900

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, no par value per share		TMDX		The Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On October 29, 2025, TransMedics Group, Inc. (the “Company”) issued a press release announcing the Company’s financial results for the quarter ended September 30, 2025. A copy of this press release is furnished as Exhibit 99.1 and is incorporated herein by reference.

The information in this Form 8-K (including Exhibit 99.1 attached hereto) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing by the Company, under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		Press release issued by TransMedics Group, Inc. on October 29, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

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 hereunto duly authorized.

			TRANSMEDICS GROUP, INC.
Date:	October 29, 2025	By:	/s/ Gerardo Hernandez
			Name: Gerardo Hernandez Title: Chief Financial Officer and Treasurer

FAQ

What did TransMedics (TMDX) announce in this 8-K?

It furnished a press release announcing financial results for the quarter ended September 30, 2025.

Which exhibit contains the press release for TMDX?

Exhibit 99.1 contains the press release issued on October 29, 2025.

Is the information in the 8-K considered filed or furnished?

It is furnished, not filed, and is not subject to Section 18 liability.

Will the information be incorporated into other SEC filings?

Only if expressly incorporated by reference in those filings.

What is TransMedics’ trading symbol and exchange?

The common stock trades as TMDX on the Nasdaq Global Market.

What is the SEC item referenced for these results?

Item 2.02 (Results of Operations and Financial Condition).