https://captables.com/articles/oura-2-2b-ipo-shareholder-salescaptables.comen2026-09-21T22:14:15.990ZOura launches IPO of up to $2.2B, mostly in shareholder saleshttps://captables.com/articles/openai-reported-278b-cash-burn-2030captables.comen2026-09-21T21:41:02.227ZOpenAI reportedly projects $278B of cash burn through 2030