Sidus Space (SIDU) stock was down more than 19% pre-bell Thursday, a day after the company priced a best-efforts direct offering of 19.7 million Class A common shares at $5.08 each for about $100 million in expected gross proceeds.

Everpure (P) stock was down more than 10% pre-bell after falling nearly 3% at Wednesday's close. The company posted overnight higher fiscal Q1 non-GAAP net income and revenue.

American Superconductor (AMSC) shares were down more than 6% premarket after the company provided lower-than-expected fiscal Q1 guidance.

Symbotic (SYM) stock was more than 7% lower in premarket activity, reversing the 1.4% gain in the previous session.

Redwire (RDW) shares were down more than 5% pre-bell after rising 8.9% in Wednesday's session.