How Lock-Up Expirations Affect IPO Stocks: A Trader’s Guide By Admin 08/08/2026 1 Min Read 0 Written by TradingIM Editorial Team, reviewed by TradingIM Review Board · Updated August 08, 2026 · Editorial policy · For educational purposes only; not personalized investment advice. Past performance does not guarantee future results. SUB_KEYWORDS: lock-up period, insider selling, float expansion, post-IPO volatility, supply overhang, 10b5-1 plan, waiver disclosure Last reviewed: August 2026 Share this... Telegram Facebook Pinterest Twitter Messenger Whatsapp Tags: float expansioninsider holdingsinsider sellingipo stocksipo strategyipo volatilitylock-up expirationpost-ipo tradingshare unlockssupply overhang