# EDGAR Filing Document

**Accession Number:** 0001756262
**File Stem:** 0001193125-25-231900
**Filing Date:** 2025-10
**Character Count:** 5987
**Document Hash:** 275402a5ef46ff3eded6167321b4bf3c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-231900.hdr.sgml**: 20251006

**ACCESSION NUMBER**: 0001193125-25-231900

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20251003

**ITEM INFORMATION**: Completion of Acquisition or Disposition of Assets

**FILED AS OF DATE**: 20251006

**DATE AS OF CHANGE**: 20251006

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TransMedics Group, Inc.
- **CENTRAL INDEX KEY:** 0001756262
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38891
- **FILM NUMBER:** 251377009

**BUSINESS ADDRESS:**
- **STREET 1:** 200 MINUTEMAN ROAD
- **CITY:** ANDOVER
- **STATE:** MA
- **ZIP:** 01810
- **BUSINESS PHONE:** 9785520900

**MAIL ADDRESS:**
- **STREET 1:** 200 MINUTEMAN ROAD
- **CITY:** ANDOVER
- **STATE:** MA
- **ZIP:** 01810

?xml version='1.0' encoding='ASCII'? 8-K

### 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 3, 2025

## TransMedics Group, Inc.

#### (Exact name of Registrant as Specified in Its Charter)

---

| | | |
|:---|:---|:---|
| **Massachusetts** | **001-38891** | **83-2181531** |
| **(State or Other Jurisdiction**<br> **of Incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

---

---

| | |
|:---|:---|
| **200 Minuteman Road**<br> **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<br>Symbol(s)** | **Name of each exchange**<br> **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. ☐

------

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| | |
|:---|:---|
| **Item 2.01.** | **Completion of Acquisition or Disposition of Assets.**  |

---

As previously disclosed in a Current Report on Form 8-K filed by TransMedics Group, Inc. (the "Company") on September 5, 2023, a Current Report on Form 8-K filed by the Company on September 12, 2023, a Current Report on Form 8-K filed by the Company on September 22, 2023, a Current Report on Form 8-K filed by the Company on November 13, 2023, a Current Report on Form 8-K filed by the Company on December 19, 2023, a Current Report on Form 8-K filed by the Company on January 2, 2024, a Current Report on Form 8-K filed by the Company on January 29, 2024, a Current Report on Form 8-K filed by the Company on February 6, 2024, a Current Report on Form 8-K filed by the Company on March 12, 2024, a Current Report on Form 8-K filed by the Company on July 2, 2024, a Current Report on Form 8-K filed by the Company on July 29, 2024, a Current Report on Form 8-K filed by the Company on September 11, 2024, a Current Report on Form 8-K filed by the Company on December 9, 2024, a Current Report on Form 8-K filed by the Company on January 14, 2025, and a Current Report on Form 8-K filed by the Company on February 21, 2025 (together, the "Prior Reports"), TransMedics, Inc. (the "Buyer"), a Delaware corporation and wholly-owned subsidiary of the Company, acquired 21 fixed-wing aircraft (collectively, the "Prior Acquisitions") as more specifically described in the Prior Reports.

Subsequently, on October 3, 2025, the Buyer acquired a fixed-wing aircraft from Teaghlach Aviation, LLC for a purchase price of approximately $14.5 million (together with the Prior Acquisitions, the "Acquisitions"). The Company intends to use each of the 22 aircraft it has acquired to date to transport donor organs as part of the services offered under the Company's National OCS Program, and for purposes of this Current Report on Form 8-K the Company considers the Acquisitions to be a series of related transactions with respect to the acquisition of a fleet of aircraft for use in the Company's National OCS Program.

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#### 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 6, 2025 | By: | /s/ Gerardo Hernandez |
|  | Name: | Gerardo Hernandez |
|  | Title: | Chief Financial Officer and Treasurer |

---