Rallybio (RLYB): CFO sold ~$9.6K

~$9.6K

Approx. value · 599 sh @ $16.04

16K

Holds after · shares reported

Traded

Oct 27, 2026

Filed

Oct 28, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Sep 8, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On September 8, 2026, Rallybio Corporation (Rallybio) announced that Jonathan Lieber, Rallybio’s Chief Financial Officer, will transition to part-time employment status effective September 15, 2026 (the Employment Transition Date), but will remain Rallybio’s Chief Financial Officer and Principal Financial Officer and continue to have the same duties and authority following the Employment Transition Date.”
2. Oct 27, 2026 · this disclosureInsiderCFO sold ~$9.6K of RLYB shares in the open market

What came next

1. Nov 4, 2026Company filing · Form 8-K · Executive change, Shareholder voteChanged a top executive or board member, and held a shareholder vote (and 1 more item)“of Certain Officers. 2026 Equity Incentive Plan At the annual meeting of the stockholders of Rallybio Corporation (“Rallybio” or the “Company”) held on November 4, 2026 (the “Annual Meeting”), the Company’s stockholders considered and approved the Avenzo Therapeutics, Inc. (“Avenzo”) 2026 Equity Incentive Plan (the “2026 Plan”), which will become effective on the date immediately following the consummation of the…”

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Rallybio

For Rallybio, OQRO holds 1 insider filing (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its RLYB page.

Other recent filings by Jonathan I Lieber, Chief Financial Officer

• SEC Form 4 at Rallybio (RLYB)Feb 24, 2026

The full history of Jonathan I Lieber, Chief Financial Officer is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Rallybio

• SEC Form 4May 21, 2026
• SEC Form 4May 21, 2026
• SEC Form 4May 21, 2026
• SEC Form 4May 16, 2026
• SEC Form 4May 16, 2026
• SEC Form 4May 16, 2026

Everything OQRO holds on this company is on its RLYB page.