# EDGAR Filing Document

**Accession Number:** 0000048898
**File Stem:** 0001193125-26-263819
**Filing Date:** 2026-6
**Character Count:** 8249
**Document Hash:** c57da7c82f057b3f079f40a64a55d7c8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-263819.hdr.sgml**: 20260609

**ACCESSION NUMBER**: 0001193125-26-263819

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260609

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Other Events

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260609

**DATE AS OF CHANGE**: 20260609

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HUBBELL INC
- **CENTRAL INDEX KEY:** 0000048898
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRONIC COMPONENTS & ACCESSORIES [3670]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 060397030
- **STATE OF INCORPORATION:** CT
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-02958
- **FILM NUMBER:** 261076456

**BUSINESS ADDRESS:**
- **STREET 1:** 40 WATERVIEW DR
- **CITY:** SHELTON
- **STATE:** CT
- **ZIP:** 06484-1000
- **BUSINESS PHONE:** 4758824000

**MAIL ADDRESS:**
- **STREET 1:** 40 WATERVIEW DR
- **CITY:** SHELTON
- **STATE:** CT
- **ZIP:** 06484-1000

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HUBBELL HARVEY INC
- **DATE OF NAME CHANGE:** 19860716

?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): June 9, 2026

## HUBBELL INCORPORATED

#### (Exact name of registrant as specified in its charter)

---

| | | |
|:---|:---|:---|
| **Connecticut** | **1-2958** | **06-0397030** |
| **(State or other jurisdiction**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

---

---

| | |
|:---|:---|
| **40 Waterview Drive**<br> **Shelton, Connecticut** | **06484** |
| **(Address of principal executive offices)** | **(Zip Code)** |

---

#### Registrant's telephone number, including area code: (475) 882-4000

#### N/A

#### (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 - par value $0.01 per share | HUBB | New York Stock Exchange |

---

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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#### Introductory Note
As previously disclosed in its Current Report on Form 8-K, filed on May 4, 2026, Hubbell Incorporated, a Connecticut corporation, and Hubbell Incorporated (Delaware), a Delaware corporation and wholly-owned subsidiary of Hubbell Incorporated, entered into a Stock Purchase Agreement (the "Agreement"), dated May 1, 2026, by and among Hubbell Incorporated (Delaware), NSI Electrical Buyer, Inc., a Delaware corporation ("NSI Industries"), NSI Buyer, LP, a Delaware limited partnership ("Seller"), and Hubbell Incorporated, as parent guarantor (together with Hubbell Incorporated (Delaware), "Hubbell"). On June 9, 2026, subject to the terms and conditions set forth in the Agreement, Hubbell purchased all the issued and outstanding capital stock of NSI Industries (the "NSI Acquisition") from Seller for $3.0 billion in cash, subject to customary adjustments related to cash, indebtedness, working capital and transaction expenses, as set forth in the Agreement, using a combination of net proceeds from borrowings under the new unsecured term loan facility previously disclosed in its Current Report on Form 8-K, filed on May 15, 2026, in an aggregate principal amount of $900 million, the issuance of $1.9 billion aggregate principal amount of senior notes as previously disclosed in its Current Report on Form 8-K, filed on June 8, 2026, and issuances of commercial paper.

---

| | |
|:---|:---|
| **Item 7.01** | **Regulation FD Disclosure.**  |

---

On June 9, 2026, Hubbell issued a press release, attached as Exhibit 99.1 to this Current Report on Form 8-K, announcing the completion of the NSI Acquisition.

The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, 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 in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

---

| | |
|:---|:---|
| **Item 8.01** | **Other Events.**  |

---

On June 9, 2026, Hubbell completed the NSI Acquisition. NSI Industries is a provider of electrical fittings, connectors, components and wire management products serving industrial, infrastructure and commercial markets.

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| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits.**  |

---

(d) Exhibits.

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| | |
|:---|:---|
| **Exhibit<br>No.** | **Document Description** |
| 99.1 | [Press Release dated June 9, 2026.](d143835dex991.htm) |
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL). |

---

------

#### 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.

---

| | |
|:---|:---|
| HUBBELL INCORPORATED | HUBBELL INCORPORATED |
| By: | /s/ Katherine A. Lane |
| Name: | Katherine A. Lane |
| Title: | Executive Vice President, General Counsel and Secretary |

---

Date: June 9, 2026

## Exhibit 99.1

**Exhibit 99.1** 

**Hubbell Incorporated Completes Acquisition of NSI Industries** 

Shelton, CT, June 9, 2026 (GLOBE NEWSWIRE) — Hubbell Incorporated (NYSE: HUBB) ("Hubbell") today announced that it has completed its acquisition of NSI Industries, a leading provider of electrical fittings, connectors, components and wire management products. Hubbell financed the acquisition and related transactions with net proceeds from borrowings under a new unsecured term loan facility in an aggregate principal amount of $900 million, the issuance of $1.9 billion aggregate principal amount of senior notes and issuances of commercial paper.

NSI Industries is a leading manufacturer and supplier of over 15,000 branded electrical products that are sold to over 2,000 distributors in North America. NSI Industries includes well-respected brands such as Bridgeport fittings, Polaris connectors and Tork timers. NSI Industries is headquartered in Huntersville, North Carolina.

**About Hubbell** 

Hubbell Incorporated is a leading manufacturer of utility and electrical solutions enabling customers to operate critical infrastructure safely, reliably and efficiently. With 2025 revenues of $5.8 billion, Hubbell solutions electrify economies and energize communities. The corporate headquarters is located in Shelton, CT.

Contact:

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| |
|:---|
| Dan Innamorato |
| Hubbell Incorporated<br> 40 Waterview Drive |
| P.O. Box 1000 |
| Shelton, CT 06484 |
| (475) 882-4000 |

---