The National Institutes of Health (NIH), through the National Heart, Lung, and Blood Institute (NHLBI), has announced a Limited Competition Small Grant Program aimed at supporting recipients of NHLBI K01, K08, K23, and K25 awards. This funding opportunity (R03) is designed to provide small grants to enhance research capabilities and facilitate the transition of K awardees into independent research roles, with projects focusing on pilot studies, proof of concept studies, and methodological innovations that can be completed within two years. The total budget commitment for this initiative is up to $4.8 million for FY2025 and FY2026, with individual grants capped at $75,000 per year. Interested applicants can find more information and apply by the deadline of January 7, 2026, by contacting NIH Grants Information at grantsinfo@nih.gov or visiting the official announcement at https://grants.nih.gov/grants/guide/rfa-files/RFA-HL-24-005.html.