Director Christine A. Nash filed a statement of changes in beneficial ownership with the SEC on October 30, 2026, reporting the exercise of stock options in Rallybio Corp on October 28, 2026.

Key Highlights

  • Reporting person: Christine A. Nash, a director of Rallybio Corp (NASDAQ:RLYB)
  • Transaction date: October 28, 2026, with the filing submitted on October 30, 2026
  • Transaction code M: 3,562 shares of Common Stock were acquired through the exercise of a derivative security
  • Exercise price: $2.38 per share, with the option itself reported at a price of $0
  • Post-transaction ownership: 3,562 shares of Common Stock held directly following the reported transaction
  • Option origin: Granted under the company's 2021 Equity Incentive Plan, with vesting tied to the earlier of May 13, 2026 or the date of the company's 2026 Annual Meeting of Stockholders

Nash Option Exercise Details for Rallybio Common Stock

According to the filing, Christine A. Nash, identified as a director of Rallybio Corp, executed a transaction on October 28, 2026 involving an option with an exercise price of $2.38 and an expiration date of May 13, 2035. The transaction code reported is "M," reflecting an exercise of a derivative security. The number of shares involved in both the derivative table and the non-derivative table is 3,562, with the acquired shares classified as directly held.

The filing states that the option was granted under Rallybio's 2021 Equity Incentive Plan, a company equity program for eligible participants. Per the explanation of responses in the filing, "the option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders." Following the reported transaction, the number of derivative securities beneficially owned is listed as 0, and Nash's direct beneficial ownership of Common Stock stands at 3,562 shares, according to the filing. The form was signed by Jonathan Lieber as Attorney-in-Fact on October 30, 2026.

What Was Disclosed

The filing disclosed that Rallybio Corp director Christine A. Nash exercised options covering 3,562 shares of Common Stock on October 28, 2026, at an exercise price of $2.38, under the company's 2021 Equity Incentive Plan, resulting in direct beneficial ownership of 3,562 shares.