Rallybio Corp (RLYB) insider trading
Every open-market stock purchase and sale by Rallybio Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $4.2M over the last 12 months (4 buys).
- Insiders sold $4K over the last 12 months (1 sale).
- Last insider buy: ADAR1 Capital Management LLC (10% owner), $140K, 4 months ago.
Last 12 months: insiders bought $4.2M (4 buys) and sold $4K (1 sale). Last close $15.91 on Jun 7, 2026.
Recent RLYB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| May 19, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $140K |
| May 19, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $2.8K |
| May 18, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $84K |
| May 15, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $2.8K |
| May 15, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $1.4K |
| May 13, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $1.1M |
| May 13, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $56.3K |
| May 12, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $11.1K |
| May 11, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $350K |
| May 11, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $279K |
| May 11, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $71.4K |
| May 5, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $491K |
| May 4, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $1.6M |
| May 4, 2026 | ADAR1 Capital Management LLC (10% owner) | Bought | $54.2K |
| Feb 23, 2026 | Jonathan I Lieber (CFO) | Sold | $4K |
| Feb 18, 2026 | Martin Mackay (Director) | Bought (not open market) | $65K |
| Feb 18, 2026 | Ronald Hunt (Director) | Bought (not open market) | $51.5K |
| Feb 18, 2026 | Jonathan I Lieber (CFO) | Bought (not open market) | — |
Who's trading RLYB
- ADAR1 Capital Management LLC, 10% owner: bought $4.2M (14 buys), last May 19, 2026
- Jonathan I Lieber, CFO: sold $4K (1 sale), last Feb 23, 2026
- Martin Mackay, Director: other filings, last Feb 18, 2026
- Ronald Hunt, Director: other filings, last Feb 18, 2026
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