Form 4 for RLYB Rallybio Corp
Accepted 2026-09-18 17:42:00 ET · period of report 2026-09-16 · accession 0001193125-26-395755 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-18 17:42 | 2026-09-16 | RLYB | Chung Wendy | Dir | M - OptEx | $2.38 | +3,562 | 3,562 | New | +$8,478 |
| D | 2026-09-18 17:42 | 2026-09-16 | RLYB | Chung Wendy | Dir | M - OptEx | $0.00 | -3,562 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-16 | M | A | 3,562 | $2.38 | 3,562 | D | — | — | |
| 2 | Derivative | Option (Right to Buy) | 2026-09-16 | M | D | 3,562 | $0.00 | 0 | D | $2.38 · 2026-05-13 to 2035-05-13 | 3,562 Common Stock |