Transaction #33373 · Form 4 · 0001193125-26-421747

Rallybio Corp · Exercise / conversion · Common Stock

Rallybio Corp · Transacted October 12, 2026 · Filed October 14, 2026

Original SEC filing ↗

What does this filing report?

An SEC Form 4 filing for Rallybio Corp records an exercise / conversion involving Common Stock on October 12, 2026. The reported quantity was 3,562. The filing date is October 14, 2026. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Transaction details

Company CIK
0001739410
Security type
Non-derivative
Acquisition type
Exercise / conversion · Code M
Quantity acquired
3,562
Reported price
2.38
Reference value
8,477.56
Currency
Currency not specified
Ownership
Direct
Holdings after transaction
12,758
Ownership description
Not reported
SEC acceptance time
Oct 14, 2026, 4:34 PM EDT
10b5-1 indication
Not indicated

Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.

Reporting owners

These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.

Company listings

RLYB · Nasdaq · linked security

The linked listing is identified separately from other current company listings.

Filing footnotes & remarks

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.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.

This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.