IRDM is trading 21.2% up at $52.73 after announcing a definitive agreement to be acquired by Rocket Lab in a cash-and-stock transaction.

  • The deal, signed on June 28, 2026, will make Iridium an indirect wholly owned subsidiary of Rocket Lab.
  • Investors are pricing in the takeover terms and strategic value, driving a sharp re-rating of the stock in pre-market trading.