Over 12 months, Rallybio Corp saw more buying than selling from its insiders — purchases of about $4.2 million against sales of $3,992.
Schneeberger Daniel (10% Owner) made the biggest buy, worth around $1.6 million.
Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters. Big money check: 37 institutions held RLYB as of Q2 2026, and funds were split between buying and selling.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 10,000 | $13.98 | $140K | SEC |
| May 20, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 6,009 | $13.98 | $84K | SEC |
| May 20, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 200 | $13.80 | $3K | SEC |
| May 15, 2026 | Schneeberger Daniel | 10% Owner | Buy | 200 | $13.95 | $3K | SEC |
| May 15, 2026 | Schneeberger Daniel | 10% Owner | Buy | 4,081 | $13.80 | $56K | SEC |
| May 15, 2026 | Schneeberger Daniel | 10% Owner | Buy | 75,178 | $14.00 | $1.1M | SEC |
| May 15, 2026 | Schneeberger Daniel | 10% Owner | Buy | 100 | $13.80 | $1K | SEC |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 25,000 | $14.00 | $350K | SEC |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 5,100 | $14.00 | $71K | SEC |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 19,900 | $14.00 | $279K | SEC |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 800 | $13.83 | $11K | SEC |
| May 6, 2026 | Schneeberger Daniel | 10% Owner | Buy | 3,900 | $13.90 | $54K | SEC |
| May 6, 2026 | Schneeberger Daniel | 10% Owner | Buy | 116,904 | $13.97 | $1.6M | SEC |
| May 6, 2026 | Schneeberger Daniel | 10% Owner | Buy | 35,101 | $14.00 | $491K | SEC |
| Feb 23, 2026 | Lieber Jonathan I | CFO | Sell | 789 | $5.06 | $4K | SEC |
In the last 12 months Rallybio Corp insiders made open-market purchases worth about $4.2 million and sales worth about $3,992. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in RLYB was filed on 2026-05-20.
37 investment managers reported holding RLYB in SEC Form 13F filings for Q2 2026.
No congressional trades in RLYB were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).