Rallybio Corporation (RLYB) — Insider Trading & SEC Form 4 Filings
This page tracks SEC Form 4 insider transactions for Rallybio Corporation (RLYB). Officers, directors, and 10%+ beneficial owners are required to report their RLYB trades to the SEC within two business days.
- 50 recent acquisitions ($4,229,263)
- 0 recent disposals ($0)
- 50 filings in this window
Recent RLYB insider transactions
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 19, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 10,000 | $139,822 |
| May 19, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 200 | $2,760 |
| May 18, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 6,009 | $83,981 |
| May 15, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 100 | $1,380 |
| May 15, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 200 | $2,790 |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 75,178 | $1,052,492 |
| May 13, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 4,081 | $56,315 |
| May 12, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 800 | $11,063 |
| May 11, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 5,100 | $71,392 |
| May 11, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 19,900 | $278,600 |
| May 11, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 25,000 | $350,000 |
| May 5, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 35,101 | $491,260 |
| May 4, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 116,904 | $1,633,207 |
| May 4, 2026 | ADAR1 Capital Management, LLC | 10%+ | Buy | 3,900 | $54,201 |
| May 13, 2025 | Liu Hui | Director | Buy | 28,500 | — |
| May 13, 2025 | Soteropoulos Paula | Director | Buy | 28,500 | — |
| May 13, 2025 | Chung Wendy | Director | Buy | 28,500 | — |
| May 13, 2025 | Boudreau Helen M | Director | Buy | 28,500 | — |
| May 13, 2025 | Hopfner Robert Lorne | Director | Buy | 28,500 | — |
| May 13, 2025 | HUNT RONALD | Director | Buy | 28,500 | — |
Frequently asked questions
- What is insider trading for RLYB?
- Insider trading refers to SEC Form 4 filings by officers, directors, and 10%+ owners of Rallybio Corporation. These are public disclosures of legal transactions — open-market buys, sells, option exercises, and gifts — required within two business days of the trade.
- How many insider transactions has RLYB had recently?
- The most recent 50 insider filings for RLYB are shown below, with 50 acquisitions and 0 disposals in this window. Data is sourced directly from SEC EDGAR.
- Where does this insider data come from?
- All insider data is parsed from original SEC Form 4, Form 3, and Form 5 XML filings on EDGAR. Filings marked as amended or superseded are excluded from summary counts.