Welcome to our dedicated page for Southwest Gas Ho SEC filings (Ticker: SWX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Southwest Gas Holdings, Inc. (NYSE: SWX) SEC filings page on Stock Titan brings together the company’s official regulatory disclosures as filed with the U.S. Securities and Exchange Commission. As a regulated natural gas utility holding company, Southwest Gas Holdings uses its periodic and current reports to describe its natural gas distribution and transportation business, financial performance, capital structure, and governance arrangements.
In annual reports on Form 10‑K and quarterly reports on Form 10‑Q, Southwest Gas Holdings provides detailed information on its regulated natural gas operations through Southwest Gas Corporation, including discussions of customer growth in Arizona, Nevada, and California, rate and regulatory matters, and capital investments in pipeline and related infrastructure. These filings also explain the company’s separation from Centuri Holdings, Inc., the deconsolidation of Centuri’s financial results, and the classification of Centuri-related activity as discontinued operations.
Current reports on Form 8‑K offer more immediate insight into significant events. Recent 8‑K filings have addressed the sale of Centuri shares through public offerings and a private placement, the resulting deconsolidation and disposition of Centuri, cooperation and registration rights agreements with the Icahn Group, changes in board composition, and executive leadership transitions, including the appointment of a new Chief Financial Officer. Other 8‑K filings describe the company’s conclusion that certain 2025 interim financial statements should no longer be relied upon due to errors in state income tax expense and deferred income tax liabilities, and its plan to restate those periods in the 2025 Form 10‑K.
Through this page, users can review Forms 10‑K and 10‑Q for comprehensive financial and operational detail, as well as Forms 8‑K that capture material corporate actions, capital markets transactions, governance developments, and financial reporting matters. Stock Titan’s tools apply AI-powered summaries to these filings to help explain key topics such as the company’s regulated utility focus, tax-related restatement, cooperation agreements, and the financing steps taken to support natural gas infrastructure investments.
Southwest Gas Holdings President and CEO Karen S. Haller reported two stock awards of common stock on February 19, 2026. One award covered 16,755.921 shares and a second covered 33,304.388 shares, both at a stated price of $0.00 per share.
Footnotes indicate these awards relate to restricted stock units that vest over three years (40%, 30%, 30%) with continued service, and performance stock units delivered three years after grant upon achievement of performance goals. Following these acquisitions, she directly held 198,903.499 shares of Southwest Gas common stock, with additional indirect holdings through a spouse and a 401(k) plan.
Southwest Gas Holdings SVP/CFO Justin S. Forsberg reported equity awards in company stock. On
Southwest Gas Holdings SVP and chief legal officer Catherine M. Mazzeo acquired additional company stock through equity awards. On February 19, she received 3,964.655 shares of common stock as restricted stock units that vest in three annual installments of 40%, 30%, and 30%, assuming continued service. She also acquired 2,233.006 shares of common stock delivered upon settlement of performance stock units granted three years earlier after performance goals were met. Following these awards, she directly owned 16,693.889 shares and held 745.839 shares indirectly through a 401(k) plan.
Southwest Gas Holdings director Ruby Sharma received a stock award in the form of common shares. On February 19, 2026, Sharma acquired 1,725.574 shares of Southwest Gas Holdings common stock as a grant or award at a stated price of $0.00 per share.
After this grant, Sharma directly owns 9,479.581 shares of common stock. This balance includes 215.249 shares that were previously acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings, Inc. director Leslie T. Thornton reported acquiring 1,725.574 shares of common stock on February 19, 2026 through a grant or award transaction at a stated price of $0.0000 per share. After this award, the director directly holds a total of 17,201.352 shares of Southwest Gas common stock. A footnote explains that this balance includes 298.573 shares previously acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings senior vice president Julie M. Williams reported equity awards in company common stock. On February 19, 2026, she acquired 2,993.574 shares and an additional 8,824.832 shares at a price of $0.0000 per share through grants and awards. Footnotes explain that some awards are restricted stock units vesting 40%, 30%, 30% over three years with continued service, and others are performance stock units settled three years after grant when performance goals are met. Following these awards, her direct holdings increased to 32,422.372 shares, with a separate 2,485.076 shares held indirectly through a 401(k) plan.
Southwest Gas Holdings director Brian E. Sandoval reported an award of 1,725.574 shares of common stock on February 19, 2026, described as a grant, award, or other acquisition at no cash price. After this transaction, his direct holdings total 3,299.272 shares, including 11.726 shares acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings, Inc. director Carlos Ruisanchez reported receiving a grant of 1,725.574 shares of common stock on
Southwest Gas Holdings, Inc. reported that on February 11, 2026 it and Carl C. Icahn and related entities mutually agreed to terminate their Amended and Restated Cooperation Agreement dated October 14, 2025. All rights and obligations under that agreement have ended.
The three directors originally nominated under the cooperation arrangement — Andrew W. Evans, Henry P. Linginfelter and Ruby Sharma — will continue to serve on the board. Subject to its standard evaluation process for director candidates, the Company expects to renominate each of them for reelection at the 2026 annual meeting of stockholders.
Southwest Gas Holdings, Inc. reported that longtime director Anne L. Mariucci has informed the company she will not stand for re-election at the 2026 Annual Meeting of Stockholders and will retire from the Board at the conclusion of that meeting.
Ms. Mariucci has served on the Board for nearly 20 years, including as Chair of the Strategic Transactions Committee. Both the company and Ms. Mariucci state there are no disagreements regarding the company’s operations, policies, practices, accounting, or related matters, and her notice describes the company as being in a strong position with exciting opportunities ahead.