X0609 4 2026-05-20 0 0002028293 Rain Enhancement Technologies Holdco, Inc. RAIN 0001665774 Seidl Randy false C/O RAIN ENHANCEMENT 4851 TAMIAMI TRAIL N, SUITE 200 NAPLES FL 34103 1 1 0 0 Chief Executive Officer 0 Class A Common Stock 2025-05-20 4 P 0 8514 1.73 A 610834 D Class A Common Stock 2025-05-21 4 P 0 30000 2.53 A 640834 D Class A Common Stock 2025-05-22 4 P 0 4000 2.58 A 644834 D The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.41 to $2.00, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.10 to $2.78, inclusive. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.46 to $2.64, inclusive. The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date. /s/ Randy Seidl 2026-05-22