RLYB: Boudreau Helen M reports an option exercise
By AlphaYouPublished Form 4
Boudreau Helen M
Reporting filer
Boudreau Helen M reports an option exercise, not an open-market purchase or sale, in Rallybio Corp. Form 4 filed Oct 20, 2026 lists 2 entries.
- Disclosed
- Oct 20, 2026
Reported details
2 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Boudreau Helen M | 2026-10-16 | M | Exercise or conversion | 2062 | 15.28 | 8,604 | 4 days | Filed terms
|
| Option (Right to Buy) (derivative) | Boudreau Helen M | 2026-10-16 | M | Exercise or conversion | 2062 | 0 | 0 | 4 days | Filed terms
|
Common Stock
- Owner
- Boudreau Helen M
- Date
- 2026-10-16
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 2062
- Price
- 15.28
- Following holdings
- 8,604
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-16
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: false
- transaction Shares: 2062
- transaction Price Per Share: 15.28
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 8604
- direct Or Indirect Ownership: D
Option (Right to Buy) (derivative)
- Owner
- Boudreau Helen M
- Date
- 2026-10-16
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 2062
- Price
- 0
- Following holdings
- 0
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Option (Right to Buy)
- conversion Or Exercise Price: 15.28
- transaction Date: 2026-10-16
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: false
- transaction Shares: 2062
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F1
- expiration Date: 2034-05-15
- underlying Security Title: Common Stock
- underlying Security Shares: 2062
- shares Owned Following Transaction: 0
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Boudreau Helen M: Director.
- F1: The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 15, 2025 or the date of the Company's 2025 Annual Meeting of Stockholders.
Original sources
Prepared automatically from public filing data. Report a correction.