Rocket Lab (RKLB) Stock After Hours: Insider Selling Weighs on Shares as U.S. Space Force Launch Looms Ahead of the Dec. 18 Market Open
Rocket Lab Corporation ended the regular session on Wednesday, Dec. 17, 2025 lower, then ticked modestly higher after the closing bell as investors digested a fresh wave of insider-sale headlines and looked ahead to a tightly packed set of overnight and premarket catalysts. As of 7:22 p.m. ET, RKLB traded at $54.08 in after-hours action, up $0.12, after closing at $53.96, down $1.53 on the day. After-hours volume was reported at about 2.87 million shares. MarketWatch