Targa Resources appoints Thomas Mathiasmeier to board

Targa Resources Corp. appointed Thomas Mathiasmeier to its Board of Directors as a Class II Director effective July 16, 2026, with a term expiring at the 2027 annual meeting of stockholders.

Rhea-AI Filing Summary

Targa Resources Corp. appointed Thomas Mathiasmeier to its Board of Directors as a Class II Director effective July 16, 2026, with a term expiring at the 2027 annual meeting of stockholders. He also joined the Board’s Audit Committee. Mathiasmeier most recently served as President, Global Gas, Power & Emerging Markets at ConocoPhillips, and has held multiple leadership roles across natural gas, LNG, power, midstream and commercial operations, as well as serving on industry association boards.

Mathiasmeier is a non-employee director and will receive compensation under Targa’s existing non-employee director policies, including equity awards under the Amended and Restated Targa Resources Corp. 2010 Stock Incentive Plan. In connection with his appointment, the Compensation Committee expects to grant him a pro-rated award of 477 shares of restricted stock. Targa also entered into an Indemnification Agreement with Mathiasmeier, providing indemnification to the fullest extent permitted under Delaware law and advancement of expenses for covered proceedings related to his service.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Appointment date: July 16, 2026 Director term end: 2027 annual meeting of stockholders Expected restricted stock award: 477 shares

3 metrics

Appointment date July 16, 2026 Date Thomas Mathiasmeier was appointed to the Board of Directors

Director term end 2027 annual meeting of stockholders Expiration of Class II director term for Thomas Mathiasmeier

Expected restricted stock award 477 shares Pro-rated restricted stock grant to new non-employee director under the 2010 Stock Incentive Plan

Key Terms

Class II Director, Audit Committee, restricted stock, Indemnification Agreement, +1 more

5 terms

Class II Director regulatory

"designated as a Class II Director, with a term expiring at the Company’s 2027 annual meeting"

A class II director is a member of a company’s board who belongs to one of several staggered groups of directors, each group standing for election in different years. For investors, this matters because staggered terms slow wholesale board turnover—like rotating members of a neighborhood committee—making sudden changes in control or strategy harder and affecting how quickly shareholders can influence corporate direction.

Audit Committee regulatory

"Mr. Mathiasmeier was also appointed as a member of the Board’s Audit Committee"

A company's audit committee is a small group of board members who act like independent inspectors for the firm's finances, overseeing how financial reports are prepared, monitoring internal controls, and managing the relationship with external auditors. Investors care because a strong audit committee reduces the risk of accounting errors, fraud, or misleading statements, making financial statements more trustworthy and helping protect shareholder value.

restricted stock financial

"a pro-rated restricted stock award under the Plan of 477 shares of restricted stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Indemnification Agreement regulatory

"the Company entered into an indemnification agreement with Mr. Mathiasmeier (such agreement, the “Indemnification Agreement”)"

An indemnification agreement is a contract in which one party promises to cover losses, costs, or legal claims that another party might face, acting like a tailored safety net or private insurance policy. For investors, it matters because such agreements shift potential financial risk away from a company or its officers and onto the indemnifier, which can affect a company’s future liabilities, cash flow and how risky the investment appears during deal-making or litigation.

non-employee director regulatory

"As a non-employee director, Mr. Mathiasmeier will receive compensation in accordance with the Company’s policies"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Who did Targa Resources (TRGP) appoint to its Board of Directors?

Targa Resources appointed Thomas Mathiasmeier to its Board as a Class II Director. He previously served as President, Global Gas, Power & Emerging Markets at ConocoPhillips and has extensive leadership experience in natural gas, LNG, power and midstream commercial operations.

What is the term of Thomas Mathiasmeier’s directorship at Targa Resources (TRGP)?

Thomas Mathiasmeier was designated a Class II Director with a term expiring at Targa Resources’ 2027 annual meeting of stockholders. His classification and term align with the company’s staggered board structure, determining when stockholders next vote on his Board seat.

Which Board committee will Thomas Mathiasmeier serve on at Targa Resources (TRGP)?

Thomas Mathiasmeier was appointed to Targa Resources’ Audit Committee. This committee oversees financial reporting, internal controls and related matters, so his extensive energy industry and commercial experience is expected to support the Board’s oversight of accounting, risk management and compliance functions.

What equity compensation will Thomas Mathiasmeier receive as a Targa Resources (TRGP) director?

In connection with his appointment, Thomas Mathiasmeier is expected to receive a pro-rated award of 477 shares of restricted stock. This grant is made under the Amended and Restated Targa Resources Corp. 2010 Stock Incentive Plan and follows the company’s policies for non-employee directors.

Does Thomas Mathiasmeier have any related-party relationships with Targa Resources (TRGP)?

Targa Resources states there are no relationships between Thomas Mathiasmeier and the company or its subsidiaries requiring disclosure under Item 404(a) of Regulation S-K. There are also no arrangements with any person pursuant to which he was selected as a director.

What indemnification protections does Targa Resources (TRGP) provide to Thomas Mathiasmeier?

Targa entered into an Indemnification Agreement with Thomas Mathiasmeier. It requires the company to indemnify him to the fullest extent permitted under Delaware law and to advance expenses for proceedings arising from his service, using the company’s standard director indemnification form.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/17/2026 - 06:04 AM Accepted by SEC EDGAR 07/17/2026 - 06:00 AM Learn about SEC filing dates

false 0001389170 0001389170 2026-07-16 2026-07-16

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): July 16, 2026

TARGA RESOURCES CORP.

(Exact name of registrant as specified in its charter)

Delaware		001-34991		20-3701075
(State or other jurisdiction of incorporation or organization)		(Commission File Number)		(IRS Employer Identification No.)

811 Louisiana St, Suite 2100

Houston, TX 77002

(Address of principal executive office and Zip Code)

(713) 584-1000

(Registrant’s telephone number, including area code)

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 (see General Instruction A.2. below):

☐ Written communication 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 communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communication 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 symbol(s)		Name of each exchange on which registered
Common stock		TRGP		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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On July 16, 2026, the Board of Directors (the “Board”) of Targa Resources Corp. (the “Company”) appointed Thomas Mathiasmeier to serve on the Board. Mr. Mathiasmeier was designated as a Class II Director, with a term expiring at the Company’s 2027 annual meeting of stockholders. Mr. Mathiasmeier was also appointed as a member of the Board’s Audit Committee.

Mr. Mathiasmeier most recently served as President, Global Gas, Power & Emerging Markets at ConocoPhillips (NYSE: COP) before retiring in June 2026. Over the course of his career, he held leadership roles across natural gas marketing and trading, LNG, power, origination, midstream and international commercial operations. Mr. Mathiasmeier has also served on the board of directors of the Southern Gas Association and the Natural Gas Supply Association. Mr. Mathiasmeier’s energy industry and public company executive experience provides the Board with added expertise and perspective in business and commercial operations, risk management and strategic planning.

There are no understandings or arrangements between Mr. Mathiasmeier and any other person pursuant to which Mr. Mathiasmeier was selected to serve as a director of the Company. There are no relationships between Mr. Mathiasmeier and the Company or any of its subsidiaries that would require disclosure pursuant to Item 404(a) of Regulation S-K.

As a non-employee director, Mr. Mathiasmeier will receive compensation in accordance with the Company’s policies for compensating non-employee directors, including awards under the Amended and Restated Targa Resources Corp. 2010 Stock Incentive Plan, as amended (the “Plan”), as described in the Company’s definitive proxy statement filed with the Securities and Exchange Commission (the “Commission”) on March 26, 2026. In connection with his appointment to the Board, the Compensation Committee expects to grant Mr. Mathiasmeier a pro-rated restricted stock award under the Plan of 477 shares of restricted stock (the “Expected Restricted Stock Award”). The terms of the Expected Restricted Stock Award will be generally in accordance with the Form of Restricted Stock Agreement for Directors, a copy of which was filed with the Commission on February 16, 2018, as Exhibit 10.13 to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017, and is incorporated herein by reference. The description of the Expected Restricted Stock Award does not purport to be complete and is qualified in its entirety by reference to the full text of the Form of Restricted Stock Agreement for Directors.

In addition, on July 16, 2026, the Company entered into an indemnification agreement with Mr. Mathiasmeier (such agreement, the “Indemnification Agreement”). The Indemnification Agreement requires the Company to indemnify Mr. Mathiasmeier to the fullest extent permitted under Delaware law against liability that may arise by reason of his service to the Company, and to advance expenses incurred as a result of any proceeding against him as to which he could be indemnified. The description of the Indemnification Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the form of Indemnification Agreement, a copy of which was filed with the Commission as Exhibit 10.4 to the Company’s Registration Statement on Form S-1/A filed November 8, 2010, and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number		Description
10.1*		Form of Restricted Stock Agreement for Directors, dated as of January 17, 2018 (incorporated by reference to Exhibit 10.13 to Targa Resources Corp.’s Annual Report on Form 10-K filed February 16, 2018 (File No. 001-34991)).
10.2*		Form of Indemnification Agreement between Targa Resources Investments Inc. and each of the directors and officers thereof (incorporated by reference to Exhibit 10.4 to Targa Resources Corp.’s Registration Statement on Form S-1/A filed November 8, 2010 (File No. 333-169277)).
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

* Previously Filed

2

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 thereunto duly authorized.

				TARGA RESOURCES CORP.
Dated: July 17, 2026				By:		/s/ William A. Byers
						William A. Byers
						Chief Financial Officer

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Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 3.1 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 17.6 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 11.0 KB