York Space Systems is trading 6.8% down at $17.56 as traders take profits following a sharp 10.6% gain on July 27 and ahead of the company's 180-day IPO lock-up expiration on July 28, 2026.

  • Investors are reassessing insider-selling risks as 109 million locked-up shares become eligible for sale, driving near-term volatility.
  • The downward movement occurs despite no new negative company-specific news, following a period of significant gains.