In a remarkable move within the tech industry, OpenAI is allowing its current and former employees to sell shares worth approximately $1.5 billion to SoftBank Group. This tender offer, spearheaded by SoftBank's CEO Masayoshi Son, is set to conclude by December 24, 2024. This development follows SoftBank's earlier $500 million investment in OpenAI's recent funding round, which valued the AI powerhouse at $157 billion.