# EDGAR Filing Document

**Accession Number:** 0001109354
**File Stem:** 0001140361-25-034302
**Filing Date:** 2025-9
**Character Count:** 5729
**Document Hash:** 5e0fdb44b4b28f11837f437eddf95513
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-034302.hdr.sgml**: 20250908

**ACCESSION NUMBER**: 0001140361-25-034302

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250908

**DATE AS OF CHANGE**: 20250908

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BRUKER CORP
- **CENTRAL INDEX KEY:** 0001109354
- **STANDARD INDUSTRIAL CLASSIFICATION:** LABORATORY ANALYTICAL INSTRUMENTS [3826]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 043110160
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42828
- **FILM NUMBER:** 251300549

**BUSINESS ADDRESS:**
- **STREET 1:** 40 MANNING RD
- **CITY:** BILLERICA
- **STATE:** MA
- **ZIP:** 01821
- **BUSINESS PHONE:** 978663-3660

**MAIL ADDRESS:**
- **STREET 1:** 40 MANNING RD
- **CITY:** BILLERICA
- **STATE:** MA
- **ZIP:** 01821

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BRUKER BIOSCIENCES CORP
- **DATE OF NAME CHANGE:** 20030721

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BRUKER DALTONICS INC
- **DATE OF NAME CHANGE:** 20000315

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#### As filed with the Securities and Exchange Commission on September 8, 2025

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM 8-A

#### FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

#### PURSUANT TO SECTION 12(b) OR 12(g) OF THE

#### SECURITIES EXCHANGE ACT OF 1934

## BRUKER CORPORATION
(Exact Name of Registrant as specified in its charter)

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| | |
|:---|:---|
| **Delaware** | **04-3110160** |
| (State or other jurisdiction of <br> incorporation or organization) | (I.R.S. Employer <br> Identification No.) |
| **40 Manning Road, Billerica, MA** | **01821** |
| (Address of principal executive office) | (Zip Code) |

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

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| | |
|:---|:---|
| **Title of each class**<br> **to be so registered** | **Name of each exchange on which**<br> **each class is to be registered** |
| 6.375% Mandatory Convertible Preferred Stock, Series A | The Nasdaq Stock Market LLC |

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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. ☒

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. ☐

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

Securities Act registration statement or Regulation A offering statement file number to which this form relates (if applicable): 333-272381

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.**<br>

Descriptions of the 6.375% Mandatory Convertible Preferred Stock, Series A, par value $0.01 (the "Preferred Stock"), of Bruker Corporation (the "Registrant") are contained in a prospectus dated June 2, 2023 (the "Prospectus"), constituting part of the Registrant's registration statement on Form S-3 (File No. 333-272381), and a supplement to the Prospectus dated September 3, 2025 (the "Prospectus Supplement") and filed pursuant to Rule 424(b)(5) under the Securities Act of 1933, as amended. The description of the Preferred Stock contained in the Prospectus under the heading "Description of Capital Stock" and the description of the Preferred Stock contained in the Prospectus Supplement under the heading "Description of Mandatory Convertible Preferred Stock," are hereby incorporated herein by reference and made part of this registration statement in their entirety.

**Item 2.** **Exhibits.**<br>

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| [Exhibit 3.1](https://www.sec.gov/Archives/edgar/data/1109354/000110465920039645/ex-3d1.htm) | Restated Certificate of Incorporation of Bruker Corporation (incorporated by reference to Exhibit 3.1 to the Registrant's Annual Report on Form 10-K filed on March 27, 2020). |
| [Exhibit 3.2](https://www.sec.gov/Archives/edgar/data/1109354/000095017024066508/brkr-ex3_1.htm) | Amended and Restated Bylaws of Bruker Corporation (incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed on May 30, 2024). |
| [Exhibit 3.3](https://www.sec.gov/Archives/edgar/data/1109354/000114036125034295/ef20055284_ex3-1.htm) | Certificate of Designations of 6.375% Mandatory Convertible Preferred Stock, Series A, of Bruker Corporation (incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed on September 8, 2025). |
| [Exhibit 4.1](https://www.sec.gov/Archives/edgar/data/1109354/000114036125034295/ef20055284_ex3-1.htm) | Form of 6.375% Mandatory Convertible Preferred Stock, Series A (included within Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed on September 8, 2025). |

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#### SIGNATURE

Pursuant to the requirements of Section 12 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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| | | |
|:---|:---|:---|
| Date: September 8, 2025 | BRUKER CORPORATION | BRUKER CORPORATION |
|  | By: | /s/ Gerald N. Herman |
|  | Name: | Gerald N. Herman |
|  | Title: | Executive Vice President and Chief Financial Officer |

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