Rallybio Corp: director Robert Lorne Hopfner exercised 14,820 shares

What happened

• The filing reports that Robert Lorne Hopfner, a director, exercised options to acquire a total of 14,820 shares on Oct 12, 2026. The exercised lots were 9,196 shares at $7.60 for $69,890; 3,562 shares at $2.38 for $8,478; and 2,062 shares at $15.28 for $31,507.
• The filing also shows dispositions of 9,196 shares at $0.56 for $5,150, 3,562 shares at $0.00 for $0 and 2,062 shares at $0.00 for $0, reported as derivative dispositions.

Key details

• Transaction date: Oct 12, 2026. Transaction code: M (option exercise); disposals reported as derivative transactions.
• Shares owned after the transactions: not reported in the filing.
• Footnotes included in the filing:
  • F1: The option vests as to the underlying shares of Common Stock in 12 equal installments, each on the last day of each month of calendar year 2025.
  • F2: This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $51,500.
  • F3: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 13, 2026 or the date of the Company's 2026 Annual Meeting of Stockholders.
  • F4: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 15, 2025 or the date of the Company's 2025 Annual Meeting of Stockholders.
• Filing date: Oct 14, 2026 (reporting period Oct 12, 2026).

Why it may matter

• The filing shows the reporting person exercised options and that an equal number of shares were immediately reported as derivative dispositions, consistent with an at-exercise share surrender or same-day disposition.
• This filing does not show why the insider traded or why the company acted.