# EDGAR Filing Document

**Accession Number:** 0002018846
**File Stem:** 0000912938-26-000193
**Filing Date:** 2026-2
**Character Count:** 7141
**Document Hash:** d55e247051bebd2d253cfc232225a690
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000912938-26-000193.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0000912938-26-000193

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFS Active Exchange Traded Funds Trust
- **CENTRAL INDEX KEY:** 0002018846

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0228

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42017
- **FILM NUMBER:** 26631599

**BUSINESS ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 617-954-5000

**MAIL ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

#### UNITED STATES <br> SECURITIES AND EXCHANGE COMMISSION <br> Washington, D.C. 20549

#### FORM 8-A
**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES** <br>**PURSUANT TO SECTION 12(b) OR (g) OF THE**<br>**SECURITIES EXCHANGE ACT OF 1934**<br>

<br> <u>MFS Active Exchange Traded Funds Trust</u> <br> (Exact name of registrant as specified in its charter)

<br> <u>The Commonwealth of Massachusetts</u> <u>See Below</u> <br> (State or other jurisdiction of incorporation or organization) (I.R.S Employer Identification No.)

<br> <u>111 Huntington Avenue, Boston, Massachusetts</u> <u>02199</u> <br> (Address of principal executive offices) (Zip Code)

<br> <u>Title of each class <br>to be registered</u> <u>Name of Exchange on which each class is to be registered</u> <u>I.R.S. Employer Identification Number</u> <br> <u>MFS Blended Research Emerging Markets Equity ETF</u> <u>New York Stock Exchange LLC</u> <u>39-4007336</u>

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| | |
|:---|:---|
| If this form relates to the registration of a class of securities pursuant to Section 12(b) of the |  |
| Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. | **X** |

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| |
|:---|
| If this form relates to the registration of a class of securities pursuant to Section 12(g) of the |
| Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. |

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<br> If this form relates to the registration of a class of securities concurrently with a Regulation A   <br> offering, check the following box.  

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Securities Act registration statement or Regulation A offering statement file number to which this form relates:

<br> <u>333-278691</u> (if applicable)

Securities to be registered pursuant to Section 12(g) of the Act: None

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#### INFORMATION REQUIRED IN REGISTRATION STATEMENT

#### Item 1. Description of Registrant's Securities to be Registered.
A description of the shares is set forth in [Post-Effective Amendment No. 7 to the MFS Active Exchange Traded Funds Trust (the "Registrant") Registration Statement on Form N-1A (the "Registration Statement") (Commission File Nos. 333-278691 and 811-23953), as filed with the U.S. Securities and Exchange Commission (the "SEC") via EDGAR (Accession No. 0000912938-25-000261) on December 10, 2025](http://www.sec.gov/ix?doc=/Archives/edgar/data/2018846/000091293825000261/c485bpos.htm), which description is incorporated herein by reference, including any forms of prospectuses filed by the Registrant pursuant to Rule 497 under the Securities Act. Any form of amendment or supplement to the Registration Statement that is subsequently filed with the SEC that relates to the shares is also hereby incorporated herein by reference.

#### Item 2. Exhibits.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. [<u>Declaration of Trust, dated February 26, 2024, is incorporated herein by reference to Exhibit (a) 1 of the Registrant's initial Registration Statement on Form N-1A, as filed with the SEC on April 15, 2024.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000174177324001433/ex99acharter-1.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. [<u>Amended and Restated Declaration of Trust, dated March 6, 2024, is incorporated herein by reference to Exhibit (a) 2 of the Registrant's initial Registration Statement on Form N-1A, as filed with the SEC on April 15, 2024.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000174177324001433/ex99acharter-2.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. [<u>Certificate of Amendment, dated June 11, 2025, to the Declaration of Trust – Establishment and Designation of Series for MFS Active Mid Cap ETF, is incorporated herein by reference to Exhibit (a) 3 of Post-Effective Amendment No. 1 to the Registration Statement, as filed with the SEC on June 12, 2025.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000174177325002501/ex99acharter-1.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4. [<u>Certificate of Amendment, dated August 19, 2025, to the Declaration of Trust – Establishment and Designation of Series for MFS Blended Research Emerging Markets Equity ETF, is incorporated herein by reference to Exhibit (a) 5 of Post-Effective Amendment No. 5 to the Registration Statement, as filed with the SEC on September 26, 2025.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000091293825000178/ex99acharter-1.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5. [<u>Certificate of Amendment, dated July 22, 2025, to the Declaration of Trust – Establishment and Designation of Series for MFS Blended Research Core Equity ETF and MFS Blended Research International Equity ETF, previously filed as Exhibit (a) 5 of the Registrant's Post-Effective Amendment No. 6, filed on September 29, 2025.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000091293825000180/ex99acharter-1.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6. [<u>Master Amended and Restated By-Laws, dated January 1, 2002, as revised through September 25, 2024, is incorporated herein by reference to Exhibit (b) 1 of Pre-Effective Amendment No. 2 to the Registration Statement on Form N-1A, as filed with the SEC on September 26, 2024.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000174177324004066/ex99bbylaws-1.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7. [<u>Appendix A, as revised September 30, 2025, to the Master Amended and Restated By-Laws, dated January 1, 2002, as revised through September 25, 2025, is incorporated herein by reference to Exhibit (b) 2 of Post-Effective Amendment No. 6 to the Registration Statement on Form N-1A, as filed with the SEC on September 29, 2025.</u>](http://www.sec.gov/Archives/edgar/data/2018846/000091293825000180/ex99bbylaws-1.htm)

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#### SIGNATURE
Pursuant to the requirements of Section l2 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

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| | |
|:---|:---|
| (Registrant) | **MFS Active Exchange Traded Funds Trust** |
| Date | February 13, 2026 |
| By: | /s/BRIAN E. LANGENFELD |
| Name: | Brian E. Langenfeld |
| Title: | Assistant Secretary |

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