Parker-hannifin Corp — Current Report (Form 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): August 13, 2026

PARKER-HANNIFIN CORPORATION

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (216) 896-3000

Not Applicable

(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:

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

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 2.01. Completion of Acquisition or Disposition of Assets.

As previously disclosed, on November 10, 2025, Parker-Hannifin Corporation (“Parker”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prosper Merger Sub Corp., a Delaware corporation and wholly owned subsidiary of Parker (“Merger Sub”), Filtration Group Corporation, a Delaware corporation (“Filtration Group”), and, solely in its capacity as the representative for Filtration Group’s securityholders, Filtration Group Equity LLC, a Delaware limited liability company. Pursuant to the Merger Agreement, Parker agreed to acquire Filtration Group via a merger transaction (the “Merger”) on a cash-free, debt-free basis for a cash purchase price of $9.25 billion, subject to a net working capital adjustment (the “Purchase Price”).

On August 13, 2026, Parker completed the Merger.

The foregoing summary of the Merger Agreement is subject to, and qualified in its entirety by, the text of the Merger Agreement, which is filed as Exhibit 2.1 hereto and incorporated herein by reference.

Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

As previously disclosed, on December 10, 2025, Parker entered into (i) a 364-Day Term Loan Agreement (the “364-Day Credit Agreement”) with Barclays Bank PLC, as administrative agent, and various financial institutions named therein as lenders, which 364-Day Credit Agreement provides for a delayed draw term loan facility in the aggregate principal amount of $5.25 billion (the “364-Day Credit Facility”) and (ii) a Three-Year Term Loan Agreement (the “Three-Year Credit Agreement”, and, together with the 364-Day Credit Agreement, the “Credit Agreements”) with KeyBank National Association, as administrative agent, and the various financial institutions named therein as lenders, which Three-Year Credit Agreement provides for a delayed draw term loan facility in the aggregate principal amount of $2.50 billion.

In connection with the consummation of the Merger, on August 13, 2026, Parker borrowed $5.25 billion under the 364-Day Credit Facility and $2.50 billion under the Three-Year Credit Facility to pay a portion of the Purchase Price and other fees and expenses related thereto.

The foregoing description of the Credit Agreements is qualified in its entirety by reference to the Credit Agreements, which are filed as Exhibits 10.1 and 10.2 hereto and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

SIGNATURE

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.