Rain Enhancement Technologies Holdco filed a prospectus to offer up to $25M in securities from time to time. The filing outlines the company's intention to raise capital through the sale of these securities. The specific terms of the offering, including the types of securities and pricing, will be determined at the time of sale.

The prospectus was submitted to the Securities and Exchange Commission (SEC). This filing allows the company to market the securities to potential investors. The offering amount of $25M represents the maximum value of securities that may be sold under this registration.

Offering Details

The following table summarizes the key details of the proposed offering:

The proceeds from the offering will be used for general corporate purposes, as detailed in the prospectus. The company has not specified a timeline for the completion of the offering.

Rain Enhancement Technologies Holdco, Inc. (NASDAQ: RAIN) today reported validated winter results demonstrating that its Weather Enhancement Technology Array (WETA) delivers new water at $10 per acre-foot. This cost figure, derived from the Company's La Sal Mountains deployment in Utah, undercuts conventional alternatives such as desalination, demand management, and groundwater recharge by margins exceeding 95 percent. The results establish ground-based ionization as a cost-effective incremental water supply option for Western water managers facing severe drought conditions.

WETA operated continuously at the La Sal site from mid-November 2025 through March 2026. During this period, the system produced an estimated 8,750 acre-feet of incremental water, equivalent to approximately 2.85 billion gallons. This output is sufficient to supply roughly 26,000 households for a full year. The deployment achieved more than 20 percent Snow Water Equivalent (SWE) enhancement across the full winter season compared to paired control sites in the nearby Abajo Mountains.

Validation and Performance Metrics

The performance was reviewed and validated by Dr. Binod Pokharel of Utah State University. Three independent statistical methods—analog year comparison, ridge regression counterfactual modeling, and Bayesian Structural Time Series (BSTS) analysis—converged on the same conclusion regarding the precipitation enhancement. The SWE enhancement of more than one inch was sustained throughout the season at La Sal Upper, persisting even during a period of record-warm temperatures and active snowmelt in February 2026.

Comparison to Conventional Alternatives

Water agencies evaluating new supply typically face high capital costs and long permitting timelines with conventional options. Recycled water starts at $180 per acre-foot, while demand management and groundwater recharge programs run roughly $390 per acre-foot. Desalination represents the most expensive option, costing $800 to $1,400 per acre-foot for coastal installations and exceeding $3,000 per acre-foot for inland Colorado River Basin projects.

Randy Seidl, Chief Executive Officer of Rain Enhancement Technologies, emphasized the speed and economic efficiency of the solution. "The La Sal results give us something the industry has never had: a validated cost per acre-foot for ground-based ionization, independently reviewed," said Seidl. "At $10 per acre-foot, WETA is in a different category from every alternative on the table. And unlike infrastructure projects that take years to produce a single gallon, WETA is operational in weeks."

Operational Advantages

WETA deploys in weeks from a single ground-based installation and requires no chemicals, aircraft, or on-site personnel. The system operates continuously and autonomously. The $10 per acre-foot cost reflects the full annual system cost on a 10-year payment plan, including spring-through-fall operations at no additional charge. The technology leaves a minimal, reversible footprint on the landscape and displaces no existing water rights.

RET clarified that WETA is not intended to replace existing cloud seeding programs, which use silver iodide within specific atmospheric windows. Instead, WETA fills the gap by operating across a wider range of conditions, temperatures, and seasons. Additional instrumentation at the La Sal Range is planned for 2026, and year-round WETA operations targeting warm-season precipitation are ongoing.