lock-up
noun [ C ]
(also lockup) ukus STOCK MARKET
an agreement or period of time during which someone cannot get back the money they have invested:
The moment the lock-up ended, the company's founders sold as much stock as they could get away with.
lock-up agreement/provision/arrangement Management were barred from selling shares under the terms of a lock-up agreement until 12 July.
Some eurobonds have a lockup period of 90 days before they can be sold.
UK
a building used for storing things safely:
He stores the goods in a lock-up he rents near the market.