Rallybio Corp ($RLYB) Insider Transactions

Last updated: 2026-05-21 13:13 UTC | Total transactions: 47

In the last 12 months, insiders at Rallybio Corp ($RLYB) filed 47 transactions with the SEC: 14 open-market purchases totaling $4,229,263 and 1 sales totaling $3,992. Net insider sentiment: net buying.

Rallybio Corp operates in the Pharmaceutical preparations industry (Life sciences sector).

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View all SEC Filings for Rallybio Corp (RLYB).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 19, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 200 $13.80 926,352.0000 45,058,591 0.02% 0.00%
May 18, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 6009 $13.98 916,152.0000 45,058,591 0.66% 0.01%
May 19, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 10000 $13.98 926,152.0000 45,058,591 1.09% 0.02%
May 15, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 200 $13.95 910,143.0000 45,058,591 0.02% 0.00%
May 15, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 100 $13.80 909,943.0000 45,058,591 0.01% 0.00%
May 13, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 4081 $13.80 834,665.0000 45,058,591 0.49% 0.01%
May 13, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 75178 $14.00 909,843.0000 45,058,591 9.01% 0.17%
May 11, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 25000 $14.00 809,884.0000 45,058,591 3.19% 0.06%
May 12, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 800 $13.83 830,584.0000 45,058,591 0.10% 0.00%
May 11, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 19900 $14.00 829,784.0000 45,058,591 2.46% 0.04%
May 11, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 5100 $14.00 784,884.0000 45,058,591 0.65% 0.01%
May 5, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 35101 $14.00 779,784.0000 45,058,591 4.71% 0.08%
May 4, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 3900 $13.90 627,779.0000 45,058,591 0.63% 0.01%
May 4, 2026 ADAR1 Capital Management, LLC TenPercentOwner P Common Stock 116904 $13.97 744,683.0000 45,058,591 18.62% 0.26%
Feb. 23, 2026 Lieber Jonathan I Chief Financial Officer S Common Stock 789 $5.06 4,115.0000 45,058,591 16.09% 0.00%
Feb. 18, 2026 Lieber Jonathan I Chief Financial Officer A Common Stock 2500 $0.00 4,904.0000 45,058,591 103.99% 0.01%
Feb. 18, 2026 HUNT RONALD Director A Option (Right to Buy) 14305 $3.60 14,305.0000 45,058,591 9999.99% 0.03%
Feb. 18, 2026 MACKAY MARTIN Director A Option (Right to Buy) 18055 $3.60 18,055.0000 45,058,591 9999.99% 0.04%
May 13, 2025 Boudreau Helen M Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 Chung Wendy Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 HUNT RONALD Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 Nash Christine A Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 Hopfner Robert Lorne Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 Soteropoulos Paula Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 Liu Hui Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
May 13, 2025 MACKAY MARTIN Director A Option (Right to Buy) 28500 $0.00 28,500.0000 43,544,824 9999.99% 0.07%
Feb. 14, 2025 Uden Stephen Chief Executive Officer A Option (Right to Buy) 453700 $0.00 453,700.0000 43,544,824 9999.99% 1.04%
Feb. 14, 2025 Ryder Steven Chief Medical Officer A Option (Right to Buy) 180000 $0.00 180,000.0000 43,544,824 9999.99% 0.41%
Feb. 14, 2025 Lieber Jonathan I Chief Financial Officer A Option (Right to Buy) 180000 $0.00 180,000.0000 43,544,824 9999.99% 0.41%
Jan. 2, 2025 Liu Hui Director A Option (Right to Buy) 67857 $0.70 67,857.0000 43,544,824 9999.99% 0.16%
Jan. 2, 2025 HUNT RONALD Director A Option (Right to Buy) 73571 $0.70 73,571.0000 43,544,824 9999.99% 0.17%
Jan. 2, 2025 MACKAY MARTIN Director A Option (Right to Buy) 92857 $0.70 92,857.0000 43,544,824 9999.99% 0.21%
Jan. 2, 2025 Hopfner Robert Lorne Director A Option (Right to Buy) 73571 $0.70 73,571.0000 43,544,824 9999.99% 0.17%
May 15, 2024 HUNT RONALD Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 PARMAR KUSH Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 Chung Wendy Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 Hopfner Robert Lorne Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 Nash Christine A Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 Soteropoulos Paula Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 Liu Hui Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
May 15, 2024 Boudreau Helen M Director A Option (Right to Buy) 16500 $0.00 16,500.0000 40,447,388 9999.99% 0.04%
Feb. 15, 2024 Ryder Steven Chief Medical Officer A Option (Right to Buy) 120000 $0.00 120,000.0000 40,447,388 9999.99% 0.30%
Feb. 15, 2024 Uden Stephen Chief Executive Officer A Option (Right to Buy) 216000 $0.00 216,000.0000 40,447,388 9999.99% 0.53%
Feb. 15, 2024 MACKAY MARTIN Executive Chairman A Option (Right to Buy) 216000 $0.00 216,000.0000 40,447,388 9999.99% 0.53%
Feb. 15, 2024 Lieber Jonathan I Chief Financial Officer A Option (Right to Buy) 120000 $0.00 120,000.0000 40,447,388 9999.99% 0.30%
Jan. 2, 2024 HUNT RONALD Director A Option (Right to Buy) 29096 $1.77 29,096.0000 40,447,388 9999.99% 0.07%
Jan. 2, 2024 PARMAR KUSH Director A Option (Right to Buy) 27118 $1.77 27,118.0000 40,447,388 9999.99% 0.07%