Photo of Mike Henderson
R Missouri Senate · District 3

Sen. Mike Henderson

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Total votes
0
all sessions
Attendance
-
of floor votes
With party
0%
of cast votes
Bipartisan score
0%
crosses aisle rarely
Sponsored
98
bills & resolutions
Committees
4
assignments
98 bills and resolutions

Sponsored bills

Total
98
Primary
90
Co-sponsor
8
This page
98
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Primary SB 1729
In committee · Missouri Senate · Lead sponsor
Establishes provisions relating to college and career readiness assessments

Maddy summarySB 1729 requires Missouri high schools to administer college and career readiness assessments, including a career-focused test leading to a nationally recognized work readiness certificate, before graduation. Students can choose between taking the ACT assessment or a WorkKeys test (which leads to a National Career Readiness Certificate), but cannot take both for the same assessment cycle. Public colleges and universities may accept WorkKeys credentials as credit toward technical degrees. The bill affects all Missouri public high school students and establishes a choice between two assessment pathways for career readiness.

In committee May 7, 2026 0 co-sponsors
Primary SB 1779
In committee · Missouri Senate · Lead sponsor
Modifies cost of living adjustments for members of the Public School Retirement System and the Public Education Employee Retirement System

Maddy summarySB 1779 modifies the cost-of-living adjustment (COLA) rules for retirement benefits in the Public School Retirement System and the Public Education Employee Retirement System. These systems cover public school employees, including teachers, administrators, and other education staff. The bill changes how annual inflation adjustments to retirement payments are calculated or applied. This directly affects current and future retirees in these systems by altering their annual benefit increases.

In committee May 7, 2026 0 co-sponsors
Primary SB 1646
In committee · Missouri Senate · Lead sponsor
Modifies provisions relating to the use of certain tourism tax revenues

Maddy summarySB 1646 reorganizes how Missouri municipalities must use tourism tax revenues. It requires 75% of collected taxes to fund tourism infrastructure (like roads, parks, and facilities for events), while 25% must support tourism marketing and promotion. Any existing tourism bonds issued before 1997 can be paid down using a portion of the 75% infrastructure allocation. Municipalities must also obtain voter approval before implementing these taxes or using them to retire debt.

In committee Apr 15, 2026 0 co-sponsors
Primary SB 1505
In committee · Missouri Senate · Lead sponsor
Modifies provisions relating to multidisciplinary adult protection teams

Maddy summarySB 1505 modifies the legal framework for multidisciplinary adult protection teams, which investigate abuse or neglect of vulnerable adults. The bill's abstract states it changes provisions related to these teams but does not specify the exact nature of the modifications (e.g., staffing, procedures, or reporting requirements). As currently described in the provided context, no concrete policy changes or specific affected groups are detailed beyond the general reference to these teams. The bill is pending in the Senate Families, Seniors and Health Committee, with no further specifics available in the given summary.

In committee Apr 15, 2026 0 co-sponsors
Primary SB 1069
In committee · Missouri Senate · Lead sponsor
Limits the sale or purchase of certain drugs

Maddy summarySB 1069 limits the purchase and sale of drugs containing ephedrine, phenylpropanolamine, or pseudoephedrine (common methamphetamine precursors) by setting strict daily, monthly, and annual purchase caps. It prohibits selling or buying more than 3.6 grams in 24 hours, 7.2 grams in 30 days, or 61.2 grams in a year to a single person, regardless of transaction count. Pharmacies must sell these products behind counters, maintain sales records accessible to law enforcement, and manufacturers must pay fees starting in 2026 for a real-time tracking system. The law preempts local regulations requiring prescriptions for these products within the set limits.

In committee Apr 8, 2026 0 co-sponsors
Primary SB 1397
In committee · Missouri Senate · Lead sponsor
Modifies and creates new provisions relating to water regulation

Maddy summaryBased solely on the provided context, a summary of SB 1397 cannot be generated. The bill title and official abstract ("Modifies and creates new provisions relating to water regulation") are identical and lack specific details about the changes, affected parties, or mechanisms. No concrete policy provisions, affected entities, or key mechanisms are described in the available information. Without additional details about the bill's content, a factual summary meeting the requested criteria is not possible.

In committee Apr 2, 2026 0 co-sponsors
Primary SB 1558
In committee · Missouri Senate · Lead sponsor
Provides that private schools shall not be civilly liable for establishing single-sex restrooms and changing rooms

Maddy summarySB 1558 prevents private schools from facing civil lawsuits if they establish restrooms or changing rooms designated for single sex. This bill directly affects private schools by removing their legal risk for implementing such facilities. The key provision states that private schools cannot be held civilly liable for this policy choice. The bill is currently in the early stages of the legislative process, having been first read in January 2026.

In committee Mar 31, 2026 0 co-sponsors
Primary SB 901
In committee · Missouri Senate · Lead sponsor
Creates provisions relating to age verification on adult websites

Maddy summaryThis bill requires websites that host more than one-third of sexual content harmful to minors to implement age verification systems ensuring users are at least 18 years old. It mandates that any personal identifying information collected during verification must not be retained by the website or third-party verification services. The legislation exempts bona fide news organizations and protects internet service providers, search engines, and cloud services from liability for content they do not control. Enforcement is handled by the Attorney General, who can initiate legal action against violations and seek court-ordered relief.

In committee Mar 25, 2026 0 co-sponsors
Primary SB 1430
In committee · Missouri Senate · Lead sponsor
Modifies and creates new provisions relating to regulation of certain metals

Maddy summaryBased on the provided context, SB 1430's official abstract ("Modifies and creates new provisions relating to regulation of certain metals") lacks specific details about the metals regulated, affected parties, or concrete policy changes. No additional provisions, mechanisms, or affected entities are described in the abstract or recent actions (prefiled, first reading). Without further bill text or summary details, a substantive policy summary cannot be generated. For a complete understanding, the full bill text would be required.

In committee Mar 24, 2026 0 co-sponsors
Primary SB 1484
In committee · Missouri Senate · Lead sponsor
Creates new provisions relating to progressive design-build contracts

Maddy summarySB 1484 is a newly prefaced bill (prefiled December 30, 2025, first read January 7, 2026) that creates new provisions related to "progressive design-build contracts." The provided context does not include specific details about the bill's content, mechanisms, or who it would affect. Without additional information on the bill's actual provisions or scope, a substantive summary cannot be generated. This appears to be a procedural bill at an early stage, and no concrete policy changes are described in the available abstract or actions.

In committee Mar 23, 2026 0 co-sponsors
Showing 11 to 20 of 98 bills