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Rain Oncology Inc. (NasdaqGS: RAIN) is a clinical-stage biotechnology company developing precision therapies targeting specific cancer drivers. This news hub provides investors and researchers with timely updates on the company's progress in oncology innovation, including its lead candidate milademetan and strategic initiatives.
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Rain Enhancement Technologies (NASDAQ:RAIN) appointed David Sylvester, Senior VP and CFO of Steelcase, to its Board of Directors effective December 18, 2025. The board now has seven members as RET scales commercial deployment of its ionization precipitation generation technology globally.
Key facts: Sylvester brings public‑company and global operations experience including work across 50 countries and the 2025 Steelcase‑HNI merger. RET cites randomized third‑party trials showing an average of ~16% additional precipitation from its technology.
Rain Enhancement Technologies (NASDAQ:RAIN) reported early positive indications from its first two U.S. Weather Enhancement Technology Array (WETA) installations in Gill, Colorado (operational early November) and La Sal Mountains, Utah (operational mid-November).
The company said high-resolution U.S. weather radar enabled direct real-time observation of potential ionization effects for the first time, with observed alignment between HYSPLIT atmospheric plume modeling and localized precipitation changes. RET referenced prior peer-reviewed international trials showing statistically significant 15–18% rainfall increases. RET cautioned data collection is ongoing and comprehensive analysis is pending.
Rain Enhancement Technologies (NASDAQ:RAIN) announced on November 18, 2025 that its Weather Enhancement Technology Array (WETA) began operations in Grand County, Utah, after receiving a cloud seeding license and permit. The ground-based, solar-powered WETA can cover up to 360 square miles and is intended to enhance rainfall and snowpack by 15–18% based on peer-reviewed trials. This is Utah's first ionization-based weather modification program and RAIN's second U.S. installation, running alongside an operational system in Colorado. The company will maintain operational records, report to state and federal authorities including NOAA, and make equipment available for inspection as part of permit conditions.
Rain Enhancement Technologies (NASDAQ:RAIN) began operations of its first U.S. Weather Enhancement Technology Array (WETA) in Gill, Colorado, after the Colorado Water Conservation Board approved a weather modification permit on November 11, 2025. The permit is valid through October 31, 2026 with a potential five-year renewal. The solar-powered, chemical-free WETA can cover up to 360 square miles (≈230,000 acres) in Weld County and cites peer-reviewed trials indicating potential rainfall increases of 15–18%. The system will operate under strict oversight with real-time monitoring, automatic suspension during National Weather Service severe-weather warnings, and annual target-control evaluations and reporting requirements.
Rain Enhancement Technologies Holdco (Nasdaq: RAIN, RAINW) announced it has regained compliance with Nasdaq listing rules and transferred its securities from the Nasdaq Global Market to the Nasdaq Capital Market effective after meeting the Capital Market standards.
The company had been non-compliant with the Global Market thresholds of $50 million market value of listed securities and $15 million public float, requested a hearing, and was directed to transfer by October 20, 2025 and demonstrate compliance by October 31, 2025. Nasdaq approved the Capital Market listing, which requires at least $35 million market value of listed securities and $1 million public float. Trading symbols remain RAIN and RAINW.
Rain Enhancement Technologies (NASDAQ:RAIN) will exhibit at the 11th WMO Scientific Conference on Weather Modification in Pune, India, November 3-7, 2025. The company will showcase its ionization rainfall generation Weather Enhancement Technology Array (WETA) platform and present randomized third-party trial results reporting ~15–18% additional rainfall as published by the Royal Statistical Society.
RET will preview US installation findings and announce ion plume modeling trials beginning in early 2026, highlight chemical-free, solar-powered operation, and emphasize collaboration with international researchers and agencies to support commercialization and global scale-up.
Rain Enhancement Technologies (NASDAQ:RAIN) reported promising results from an Australia fog mitigation pilot and plans expanded U.S. testing in 2026 in Oregon, California, Utah, and Colorado. Field observations suggested ionization arrays influenced fog movement and dissipation patterns; the company framed these as preliminary proof-of-concept rather than full scientific studies. RAIN said its ionization platform previously showed ~15–18% additional rainfall in randomized third-party trials and will apply rigorous protocols in U.S. pilots to quantify fog density reduction and dissipation rates.
Rain Enhancement Technologies (NASDAQ:RAIN) announced two strategic advisor appointments on October 15, 2025: Chris Monroe, quantum physics pioneer and co-founder of IonQ, and Paul Dacier, corporate governance and legal executive. The advisors will counsel on technology commercialization, regulatory compliance, and public-company governance as RET advances deployment of 10 WETA systems currently in final manufacturing for U.S. delivery. Independent trials published by the Royal Statistical Society reportedly showed an average 15–18% additional rainfall using RET's ionization technology. The appointments aim to support global commercialization across agriculture, municipal water, and industrial applications.
Rain Enhancement Technologies (NASDAQ:RAIN) has appointed four distinguished technical experts to its advisory board, bringing over 150 years of combined expertise in weather modification and atmospheric sciences. The advisory board includes George W. Bomar, Daniel Martin, Ph.D., Tom DeFelice, Ph.D., and Farren Hiscutt.
The company's Weather Enhancement Technology Array (WETA) platform has demonstrated 15-18% additional rainfall generation in third-party trials. The appointments come as RET develops enhanced remote monitoring capabilities for global WETA installations. The technology addresses global water scarcity, with demand expected to exceed supply by 40% by 2030.
Rain Enhancement Technologies (NASDAQ:RAIN) received a delisting notice from Nasdaq on August 19, 2025, for failing to maintain compliance with two critical listing requirements: a minimum market value of $50 million for listed securities and $15 million for publicly held shares.
The company has appealed the delisting determination on August 21, 2025, requesting a hearing before the Nasdaq Hearing Panel. While the appeal is expected to temporarily stay any suspension or delisting action, there is no guarantee that the Panel will grant continued listing or that RAIN will achieve compliance within any granted timeframe.
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