09:14 AM EDT, 03/27/2025 (MT Newswires) -- Greenwich LifeSciences ( GLSI ) said Thursday that its board of directors has extended the lock-up period for shares owned by its directors, officers, and existing pre-IPO investors.

The biopharmaceutical company said it has extended the lockup until March 31, 2026, or roughly five and a half years after the company's IPO.

Officers, directors, and certain shareholders will be unable to sell their shares during the lock-up period, unless the board modifies it, the company said.