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Bill

S 4588

Taxing Buybacks from Big Oil Windfalls Act

119th Congress Introduced by Michael Bennet and 15 co-sponsors

Aims to raise federal revenue by imposing or increasing an excise tax on stock buybacks by large oil and gas companies to deter repurchases.

Introduced in Senate
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WeVote Research Nonpartisan
Bill Summary · S 4588

Summary of Bill: S. 4588 (119th Congress)

Purpose and Intent

  • S. 4588 proposes to amend the Internal Revenue Code of 1986 to increase the excise tax on the repurchase of corporate stock by large oil and gas companies. The underlying policy goal is to discourage stock buybacks by these companies and raise federal revenue, with a focus on energy sector corporations of substantial size.

Key Provisions and Changes

  • Excise Tax on Stock Buybacks: The bill would establish or raise an excise tax specifically targeted at repurchases of corporate stock by large oil and gas companies. The exact tax rate, base, brackets, and definitions (e.g., what constitutes a “large” oil and gas company) would be laid out in the text of the bill.
  • Scope and Applicability: The measure would apply to repurchases of stock by qualifying oil and gas corporations. It may define thresholds (e.g., revenue, market capitalization, or other corporate size metrics) to determine eligibility for the tax.
  • Revenue Use (if specified): The bill may designate how the generated revenue would be used (e.g., funding specific programs, reducing deficits, or general federal revenue). If not specified, the revenue would be deposited into the general fund as is typical for new excise taxes.
  • Administrative Provisions: Provisions would outline compliance, reporting, and enforcement mechanisms, including how repurchase transactions are to be documented and how the tax is to be collected by the Internal Revenue Service.

Who Would Be Affected

  • Primary Affected Parties: Large oil and gas companies engaging in stock repurchases. This typically includes major integrated energy producers and upstream/downstream players with substantial stock buyback activity.
  • Other Stakeholders: Shareholders and investors could be indirectly affected through potential impacts on corporate cash flow, capital allocation decisions, and share price dynamics. Taxpayers and public finance stakeholders could be affected by changes in federal revenue, depending on the tax rate and exemptions.

Procedural and Timeline Aspects

  • Introduction and Referral: The bill was introduced in the Senate and referred to the Committee on Finance on May 20, 2026.
  • Legislative Process Status: As of the latest action, the bill has been read twice and referred to the Finance Committee, which is the typical first step for tax-related measures. Committee consideration, potential amendments, and a floor vote would follow if the committee reports the bill.
  • Sponsorship: The bill has a broad group of co-sponsors, including notable figures such as Sen. Michael Bennet, Sen. Chris Van Hollen, Sen. Ron Wyden, Sen. Chuck Schumer, and other Democratic leadership and policy figures, signaling aligned legislative priorities on corporate buybacks and energy company taxation.

Practical Implications and Considerations

  • Policy Trade-offs: By increasing the cost of stock repurchases for large oil and gas companies, the measure aims to shift corporate capital allocation away from buybacks toward reinvestment, dividends, or debt reduction, while generating federal revenue.
  • Economic Impact: If enacted, the tax could influence buyback activity, potentially reducing share repurchases among targeted firms. The precise impact would depend on the tax rate, exemptions, and enforcement. Revenue impact would depend on buyback levels and the chosen rate.
  • Legal and Administrative Considerations: The bill would require careful definitions to avoid unintended loopholes and to ensure proper administration by the IRS, including treatment of complex transactions and cross-border elements if relevant.

If you’d like, I can tailor this summary to emphasize potential fiscal impact estimates, compare to current law, or provide a brief glossary of technical terms.

Compiled from official sources — confirm details with the bill’s official record.

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