Group 1 - CNBC is accepting nominations for the 2026 Changemakers list, focusing on women who have made significant achievements in 2025 [1] - The Changemakers community has seen notable developments, including Instacart CEO Fidji Simo joining OpenAI and the basketball league Unrivaled attracting new investors at a valuation of $340 million [2] - Women now lead a record 11% of Fortune 500 companies, but there is still a significant gender gap, with female representation on S&P 500 boards and leadership teams declining [5][6] Group 2 - The recent IPO filings show a lack of female representation, with 88% of companies having one or zero women on their boards and 93% having one or zero women in their C-suite [6] - The decline in female director appointments for Russell 3000 companies has reached its lowest point since 2017, indicating a rollback in gender diversity efforts [5][6] - The criteria for nominations include leaders from organizations with at least $25 million in annual revenue or specific enterprise values for private and public companies [8]