Reddit RDDT Stock After Hours on Dec. 18, 2025: The Late-Day Whipsaw, Insider Sale Filing, and What to Watch Before Friday’s Open
Reddit Inc. shares capped a volatile Thursday with a modest gain into the close — then held slightly higher in after-hours trading as investors digested a mix of analyst commentary, macro tailwinds, and a fresh insider trading disclosure. RDDT ended regular trading on Thursday, December 18, 2025, around $231.34 and traded around $232.15 after hours as of 7:59 p.m. ET, according to StockAnalysis. StockAnalysis+1 Below is what mattered after the bell on Dec. 18 — and what to keep on your radar ahead of the U.S. market open on Friday, December 19, 2025. Reddit stock price action after the bell