Welcome to our dedicated page for U. S. Steel SEC filings (Ticker: X), 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.
Locating blast-furnace production figures or pension liabilities inside U. S. Steel’s multi-segment filings can feel like mining iron ore without a map. Earnings swing with commodity prices, and a single Form 8-K on an unplanned outage can move the shares overnight. That complexity is exactly why investors search for “U. S. Steel SEC filings explained simply”.
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Here’s what you can explore:
- 10-K annual report—environmental obligations and capacity upgrades, now U. S. Steel annual report 10-K simplified.
- 10-Q—quarterly shipment volumes with U. S. Steel earnings report filing analysis.
- Form 4—track U. S. Steel insider trading Form 4 transactions and executive stock moves.
- 8-K—material events such as furnace outages, all U. S. Steel 8-K material events explained.
- DEF 14A proxy—transparent look at U. S. Steel proxy statement executive compensation.
From “understanding U. S. Steel SEC documents with AI” to monitoring “U. S. Steel executive stock transactions Form 4,” every filing is updated the second it posts, complete with AI-powered summaries and expert context. Save hours, grasp the metrics that move steel, and make decisions grounded in the full regulatory record.
United States Steel (NYSE: X) Director Paul Anthony Mascarenas reported the disposition of 82,584.806 shares of common stock following the completion of the previously announced merger with Nippon Steel North America on June 18, 2025.
The transaction was executed as part of the $55-per-share cash merger agreement dated December 18, 2023. The disposed shares included:
- Directly held common stock
- Restricted stock units (RSUs)
- Deferred restricted stock units
All equity holdings were converted to cash consideration at the merger's effective time, leaving the director with no remaining beneficial ownership in the company. The Form 4 was filed by power of attorney through Megan Bombick, documenting the final disposition of securities following Nippon Steel's acquisition of United States Steel.
United States Steel Corp (X) Director Murry Gerber reported the disposition of 229,867.571 shares of common stock following the completion of the previously announced merger with Nippon Steel North America on June 18, 2025.
The transaction was executed as part of the merger agreement dated December 18, 2023, where all shares were converted into the right to receive $55.00 per share in cash. The disposed shares included:
- Directly held common stock
- Restricted stock units
- Deferred restricted stock units
Following the transaction, Gerber no longer holds any beneficial ownership in United States Steel Corp. The filing was signed via power of attorney by Megan Bombick. This Form 4 filing reflects the final disposition of the reporting person's holdings as part of Nippon Steel's acquisition of United States Steel.
Form 4 overview: United States Steel Corporation (ticker X) filed an insider transaction report for Director John Engel dated 18 June 2025. The filing discloses the disposition of 99,028.931 shares of U.S. Steel common stock, leaving Engel with 0 shares following the transaction.
Key driver: The shares were not sold on the open market but were automatically converted to cash due to the closing of the previously announced merger with Nippon Steel North America, Inc. Under the Agreement and Plan of Merger signed 18 December 2023, each share was converted into the right to receive $55 in cash at the merger’s Effective Time on 18 June 2025.
Investor take-aways:
- The filing confirms legal completion of the $55-per-share all-cash acquisition; U.S. Steel common stockholders, including directors, have been cashed out.
- No additional derivative securities or continuing ownership were reported, indicating Engel no longer has an equity stake in the post-merger entity.
- Because the merger terms and price were previously disclosed, the Form 4 primarily serves as procedural confirmation rather than new fundamental information.
United States Steel Corp (X) Director Terry L. Dunlap reported the disposition of 27,985 shares of common stock on June 18, 2025, following the completion of the company's merger with Nippon Steel North America.
The transaction occurred as part of the previously announced merger agreement dated December 18, 2023, where all shares were converted into the right to receive $55.00 in cash per share at the effective time of the merger. Following the transaction, Dunlap no longer holds any shares of the company.
Key details of the filing:
- Transaction Type: Disposition due to merger completion
- Shares Affected: 27,985 shares of common stock
- Transaction Price: $55.00 per share cash consideration
- Post-Transaction Holdings: 0 shares
- Filing was signed via Power of Attorney by Megan Bombick
United States Steel Director Alicia J. Davis reported the disposition of 17,948 shares of common stock on June 18, 2025, following the completion of the company's merger with Nippon Steel North America.
The transaction was executed as part of the previously announced merger agreement dated December 18, 2023. Under the terms of the merger, all shares were converted into the right to receive $55.00 in cash per share. Following the transaction, Davis no longer owns any shares of the company.
Key details of the transaction:
- Transaction occurred at the merger's effective time on June 18, 2025
- Included direct holdings of common stock and restricted stock units
- Form filed via power of attorney through Megan Bombick
- Transaction code "D" indicates disposition of securities
United States Steel Corp (NYSE: X) Director Tracy A. Atkinson reported the disposition of 41,342.155 shares of common stock following the completion of the previously announced merger with Nippon Steel North America on June 18, 2025.
The transaction was executed as part of the $55 per share cash merger agreement dated December 18, 2023, where all shares, restricted stock units, and deferred restricted stock units were converted to cash consideration. Following the transaction, the reporting person no longer holds any shares in the company.
This Form 4 filing represents the final disposition of the director's holdings as part of Nippon Steel North America's acquisition of United States Steel, marking the successful completion of the merger transaction through its subsidiary 2023 Merger Subsidiary Inc.
United States Steel Corporation ("U. S. Steel", NYSE: X) has filed a series of Post-Effective Amendments to 24 previously effective Form S-8 registration statements. The amendments remove from registration all shares of U. S. Steel common stock and related plan interests that remained unissued under a broad range of employee benefit and equity incentive plans, including the 2002 Stock Plan, 2005 Stock Incentive Plan, 2016 Omnibus Incentive Compensation Plan, multiple 401(k) plans, and other savings programs.
The action follows the consummation of the merger with Nippon Steel North America, Inc. on 18 June 2025, under which the registrant became a wholly-owned subsidiary of Nippon Steel and ceased to be a public company. In line with undertakings contained in each registration statement, the company is formally terminating the related offerings and deregistering any securities that were never issued. No new securities are being offered, and no financial results or operating metrics are disclosed in this filing.
Investor relevance: The amendments are administrative and complete the transition to private ownership. Because public trading in U. S. Steel shares ended at the merger closing, the deregistration has minimal direct financial impact on outside investors, but it signals the final wrap-up of U. S. Steel’s obligations under the Securities Act with respect to its legacy employee plans.