The announcement that US$97 billion in lock‑up expirations will coincide with the massive inflow of capital into SpaceX’s $75 billion IPO poses a significant liquidity challenge for Hong Kong’s equity market. This development occurs against a backdrop of tightening U.S. monetary policy and slowing corporate earnings, conditions that already strain the region’s ability to support sustainable investment initiatives. The potential outflow of funds from local listings threatens the financial resources available for companies pursuing environmental and social objectives in Hong Kong. Key facts show that overseas traders may liquidate Hong Kong shares to finance participation in SpaceX or to purchase post‑IPO shares, creating temporary selling pressure on the market. This liquidity squeeze could reduce the capital flow into firms that are actively reporting under frameworks such as GRI and SASB, thereby limiting their capacity to meet ESG performance targets. The timing of lock‑up expirations also raises concerns about volatility in ESG disclosures, as companies may face tighter budgets for sustainability projects and reporting compliance. Looking ahead, the constrained liquidity environment signals heightened risk for investors seeking exposure to Hong Kong’s green sector, potentially leading to higher perceived ESG risk premiums. Regulators may need to strengthen disclosure requirements to mitigate capital flow volatility, while communities could experience slower progress toward UN SDG goals if corporate investment in renewable energy and social programs is curtailed. The situation underscores the importance of resilient ESG frameworks that can withstand macro‑financial shocks and maintain momentum toward sustainable development.