Waldencast (WALD) shares were down 41% pre-bell Monday after the company said it plans to voluntarily delist its Class A ordinary shares and warrants from Nasdaq.
Landvision Technology (MKDW) stock was 17% lower following a 52% rise in Friday's session.
Sellas Life Sciences (SLS) shares were down 15%, extending the 14% loss from the prior close.
Olema Pharmaceuticals (OLMA) stock was 11% lower after a 4% fall in the previous session.