Rallybio (RLYB): CFO sold ~$4K

~$4K

Approx. value · 789 sh @ $5.06

4,115

Holds after · shares reported

Traded

Feb 23, 2026

Filed

Feb 24, 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. Jan 26, 2026Company filing · Form 8-K · Bylaws or charter, Shareholder voteChanged its bylaws, charter or fiscal year, and held a shareholder vote
2. Feb 23, 2026 · this disclosureInsiderCFO sold ~$4K of RLYB shares in the open market

What came next

1. Mar 1, 2026Company filing · Form 8-K · Material agreement, Unregistered sharesControl of the company changed hands, and changed a top executive or board member (and 3 more items)“To the extent required by this Item, the information included in Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.”
2. Mar 31, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On March 31, 2026, Rallybio Corporation (Rallybio) announced that Steven Ryder, M.D., who has served as Rallybio’s Chief Medical Officer since January 2019, will leave Rallybio effective immediately.”
3. May 3, 2026Company filing · Form 8-K · Agreement endedEnded an important agreement
4. May 4, 2026Insider · 1 personInsiders: 2 purchases (~$1.7M)
5. May 5, 2026Insider10% owner purchased ~$491K of RLYB shares in the open market
6. May 11, 2026Insider · 1 personInsiders: 3 purchases (~$700K)
7. May 12, 2026Insider10% owner purchased ~$11K of RLYB shares in the open market
8. May 13, 2026Insider · 1 personInsiders: 2 purchases (~$1.1M)
9. May 15, 2026Insider · 1 personInsiders: 2 purchases (~$4K)
10. May 18, 2026Insider · 13 days before an 8-K10% owner purchased ~$84K of RLYB shares in the open market
11. May 19, 2026Insider · 1 personInsiders: 2 purchases (~$143K)
12. May 31, 2026Company filing · Form 8-K · Material agreement, Unregistered sharesControl of the company changed hands, and changed a top executive or board member (and 3 more items)“To the extent required by this Item, the information included in Item 1.01 of this Current Report on Form 8-K is incorporated herein by reference.”

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)Oct 28, 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 4Oct 28, 2026
• 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

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