Photo of Catherine Cortez Masto
D United States Senate · Nevada

Sen. Catherine Cortez Masto

Compare
Total votes
1,044
all sessions
Attendance
98%
23 missed
Near the chamber average
With party
93%
of cast votes
Lower than 97% of chamber peers
Bipartisan score
4%
crosses aisle rarely
Higher than 95% of chamber peers
Sponsored
1,612
bills & resolutions
Higher than 77% of chamber peers
Committees
13
assignments
1,612 bills and resolutions

Sponsored bills

Total
1,612
Primary
336
Co-sponsor
1,276
This page
1,612
matching current filters
Co-sponsor S 4355
In committee · United States Senate · Co-sponsor
Drug Deal Disclosure Act

Maddy summaryThe Drug Deal Disclosure Act requires the Department of Health and Human Services to publicly release specific records regarding agreements between the federal government and major drug manufacturers starting in 2025. This law mandates the disclosure of contracts that include provisions such as reduced drug prices based on international rates, direct-to-consumer sales discounts, duty exemptions, and special treatment for Medicare programs. While the bill allows for the redaction of confidential pricing details, it prohibits withholding information based on political sensitivity or reputational harm and requires a detailed justification for any redactions. Additionally, the act mandates reports to Congress and independent analysis from the Congressional Budget Office and the Government Accountability Office to evaluate the economic and budgetary impacts of these agreements.

In committee Apr 21, 2026 1 co-sponsor
Primary S 4352
In committee · United States Senate · Lead sponsor
Fair and Transparent Gas Prices Act of 2026

Maddy summaryThe Fair and Transparent Gas Prices Act of 2026 directs the Federal Trade Commission to conduct a study on how oil and gas companies influence market prices and fuel availability. This investigation will examine whether corporate actions, such as stock buybacks or reduced production investments, lead to higher consumer costs or limit access to alternative fuels. The commission is authorized to hire up to 50 new staff members and receive $15 million over two years to carry out this research. Once completed, the findings will be reported to Congress along with recommendations for potential laws or administrative actions to ensure fair and competitive markets.

In committee Apr 21, 2026 0 co-sponsors
Primary S 4351
In committee · United States Senate · Lead sponsor
Energy Consumer Protection Act of 2026

Energy Consumer Protection Act of 2026 This bill expands enforcement provisions under the Federal Power Act and the Natural Gas Act to protect consumers from price manipulation, including by allowing the Federal Energy Regulatory Commission to temporarily or permanently ban any person from trading in energy markets if the person (1) violates those acts by manipulating the electricity or natural gas markets, or (2) files false information regarding those markets.

In committee Apr 21, 2026 0 co-sponsors
Primary S 4312
In committee · United States Senate · Lead sponsor
Federal Mechanical Insulation Act of 2026

Maddy summaryThe Federal Mechanical Insulation Act of 2026 amends existing federal energy conservation laws to formally recognize mechanical insulation as an energy efficiency measure in government buildings. This legislation defines mechanical insulation as materials used in mechanical systems that meet specific engineering standards and reduce energy loss. Under the new requirements, federal facilities must identify these insulation measures during their comprehensive energy and water assessments. The bill applies specifically to the management and reporting of energy usage within federal properties.

In committee Apr 16, 2026 0 co-sponsors
Primary S 545
In committee · United States Senate · Lead sponsor
Combating Illicit Xylazine Act

Maddy summaryThe Combating Illicit Xylazine Act places xylazine - a veterinary sedative increasingly found in illicit drug mixtures - into Schedule III of the Controlled Substances Act, subjecting it to federal regulation as a controlled substance. It specifically allows veterinary use without requiring registration of the ultimate user (e.g., pet owners or veterinarians) if xylazine is dispensed by a registered veterinarian or pharmacy with a vet prescription and used for animals owned by the user, under their care, or in authorized animal programs. The bill provides a one-year delay for labeling and packaging requirements and a 60-day delay for registration and recordkeeping for veterinary use to ease implementation. Additionally, it adds xylazine to the Arcos tracking system for controlled substances and mandates two congressional reports on illicit use prevalence within 18 months and 4 years of enactment.

In committee Apr 15, 2026 0 co-sponsors
Co-sponsor S 4294
In committee · United States Senate · Co-sponsor
Taiwan Relations Reinforcement Act

Maddy summaryThe Taiwan Relations Reinforcement Act mandates the Secretary of War and the Commander of the U.S. Indo-Pacific Command to submit annual reports to Congress for five years. These reports must assess the United States' capacity to deter and resist various threats to Taiwan, including invasion, blockades, and "gray zone tactics" (coercive actions below armed conflict). The assessments cover US military posture, operational readiness, logistical sustainability, the defense industrial base, and allied contributions, even when responding to other global conflicts. Crucially, the reports must identify any capability gaps and recommend specific budgetary, force posture, and legislative changes to enhance US ability to support Taiwan's self-defense and regional stability.

In committee Apr 14, 2026 1 co-sponsor
Primary S 4227
In committee · United States Senate · Lead sponsor
Preventing Illegal Laboratories and Protecting Public Health Act of 2026

Maddy summaryThis bill requires distributors of highly pathogenic agents to maintain detailed electronic logbooks tracking all sales, leases, and transfers, including purchaser identification, intended use, and storage location. It mandates that distributors verify purchaser identity with government-issued identification before transferring these agents and retain records for at least three years. The legislation also establishes a new federal oversight mechanism to periodically evaluate high-containment laboratories, assess national biosafety needs, and create a centralized database of such facilities accessible to government officials. Additionally, the bill creates a dedicated Public Health Biosafety and Biosecurity Team to serve as a single point of contact for state and local agencies on laboratory safety matters.

In committee Mar 26, 2026 0 co-sponsors
Primary S 4253
In committee · United States Senate · Lead sponsor
JROTC POWER Act

Maddy summaryThe JROTC POWER Act requires the Department of Defense to update its guidance on pay for Junior Reserve Officers' Training Corps instructors and evaluate how the current pay scale affects hiring and keeping instructors. The bill mandates the creation of standardized metrics to measure recruitment outcomes, retention rates, vacancy rates, and geographic differences in instructor hiring across the military services. Defense officials must submit annual reports to Congress for two years detailing how the pay system impacts instructor recruitment and retention, along with recommendations for any necessary changes. This legislation focuses on improving data collection and oversight for the JROTC instructor workforce rather than changing the pay scale itself.

In committee Mar 26, 2026 0 co-sponsors
Primary S 4245
In committee · United States Senate · Lead sponsor
Safer Roads for Those Who Serve Act of 2026

Maddy summaryThis bill, the Safer Roads for Those Who Serve Act of 2026, aims to improve safety for highway workers such as construction crews, utility personnel, and emergency responders by updating federal regulations and funding programs. It requires the Federal Highway Administration to better track and separate crash data for highway workers from other road users, and mandates that states with rising injury or fatality rates include specific strategies in their safety plans. The legislation also directs the National Highway Traffic Safety Administration to update public awareness materials and run public service announcements about Move Over laws, covering various types of workers and vehicles. Additionally, the bill requires that federal transportation grant applications include plans for protecting highway workers during and after construction, and authorizes funding for research and outreach to enhance roadside worker safety.

In committee Mar 26, 2026 0 co-sponsors
Primary S 4240
In committee · United States Senate · Lead sponsor
American Homes First Act

Maddy summaryThe American Homes First Act redirects $1 billion in previously appropriated funds from the State Department to the Department of Health and Human Services. These funds will be used to support the Low-Income Home Energy Assistance Program, which helps low-income households pay for heating and cooling costs. The bill prevents the use of these funds for the Board of Peace, an international organization designated by a previous executive order. This change directly affects low-income families who rely on energy assistance and alters how specific federal budget allocations are distributed.

In committee Mar 26, 2026 0 co-sponsors
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