Rallybio Corp (RLYB) Insider Ownership

Historic Insider Ownership Trends

RLYB's three largest insider shareholders as of March 23, 2026 are Opportunities I, L.P. 5Am (TenPercentOwner, 309.87K shares), Timothy M Shannon (Director, 301.21K shares), Partners V, Llc 5Am (TenPercentOwner, 297.37K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Opportunities I, L.P. 5Am 0 309,871 07 Jun, 2022
Timothy M Shannon 0 301,214 04 Aug, 2021
Partners V, Llc 5Am 0 297,371 09 Mar, 2023
Kush Parmar 0 297,371 09 Mar, 2023
Robert Lorne Hopfner 0 283,426 04 Aug, 2021
Jeffrey M Fryer See Remarks 0 5,881 23 Mar, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 May, 2025 Paula Soteropoulos Option (Right to Buy) A 28,500 $0.00 3,563 D A
13 May, 2025 Wendy Chung Option (Right to Buy) A 28,500 $0.00 3,563 D A
13 May, 2025 Hui Liu Option (Right to Buy) A 28,500 $0.00 3,563 D A
13 May, 2025 Christine A Nash Option (Right to Buy) A 28,500 $0.00 3,563 D A
13 May, 2025 Helen M Boudreau Option (Right to Buy) A 28,500 $0.00 3,563 D A
13 May, 2025 Robert Lorne Hopfner Option (Right to Buy) A 28,500 $0.00 3,563 D A
14 Feb, 2025 Steven Ryder Option (Right to Buy) A 180,000 $0.00 22,500 D A
14 Feb, 2025 Stephen Uden Option (Right to Buy) A 453,700 $0.00 56,713 D A
02 Jan, 2025 Hui Liu Option (Right to Buy) A 67,857 $0.70 8,482 D A
02 Jan, 2025 Robert Lorne Hopfner Option (Right to Buy) A 73,571 $0.70 9,196 D A
15 May, 2024 Robert Lorne Hopfner Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 May, 2024 Christine A Nash Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 May, 2024 Wendy Chung Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 May, 2024 Kush Parmar Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 May, 2024 Helen M Boudreau Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 May, 2024 Paula Soteropoulos Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 May, 2024 Hui Liu Option (Right to Buy) A 16,500 $0.00 2,063 D A
15 Feb, 2024 Stephen Uden Option (Right to Buy) A 216,000 $0.00 27,000 D A
15 Feb, 2024 Steven Ryder Option (Right to Buy) A 120,000 $0.00 15,000 D A
02 Jan, 2024 Kush Parmar Option (Right to Buy) A 27,118 $1.77 3,390 D A