Rallybio Corporation (RLYB)
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RLYB Stock Price History Chart
RLYB Stock Performance
About Rallybio Corporation
Rallybio Corporation, a clinical-stage biotechnology company, engages in discovering, developing, manufacturing, and delivering therapies that enhance the lives of patients suffering from severe and rare diseases. Its lead product candidate is RLYB212, a monoclonal anti-HPA-1a antibody that is in Phase I clinical trial for the prevention of fetal and neonatal alloimmune thrombocytopenia (FNAIT). The company is also developing RLYB211, a polyclonal anti-HPA-1a antibody that is in a Phase 1/2 clinical trial for the prevention of FNAIT; RLYB114, a pegylated complement factor 5 (C5)-targeted Affibody molecule in preclinical development for the treatment of complement-mediated ophthalmic diseases; and RLYB116, a subcutaneously administered inhibitor of C5 for the treatment of patients with paroxysmal nocturnal hemoglobinuria and generalized myasthenia gravis. Rallybio has collaboration with Exscientia for the development of small molecule therapeutics for rare diseases. Rallybio Corporation was founded in 2018 and is headquartered in New Haven, Connecticut.
Insider Activity of Rallybio Corporation
Over the last 12 months, insiders at Rallybio Corporation have bought $0 and sold $0 worth of Rallybio Corporation stock.
On average, over the past 5 years, insiders at Rallybio Corporation have bought $19.67M and sold $5.24M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 5,000 shares for transaction amount of $26,050 was made by Lieber Jonathan I () on 2023‑03‑14.
List of Insider Buy and Sell Transactions, Rallybio Corporation
| 2023-03-14 | Lieber Jonathan I | 5,000 0.0123% | $5.21 | $26,050 | -13.69% | |||
| 2023-03-07 | Sale | PARMAR KUSH | director | 100,000 0.242% | $8.20 | $820,000 | -44.54% | |
| 2023-03-07 | Sale | 5AM Partners V, LLC | 10 percent owner | 100,000 0.242% | $8.20 | $820,000 | -44.54% | |
| 2022-06-03 | Sale | ROCKLAGE SCOTT M | 99,671 0.4398% | $12.50 | $1.25M | -23.70% | ||
| 2022-06-03 | Sale | PARMAR KUSH | 99,671 0.4398% | $12.50 | $1.25M | -23.70% | ||
| 2022-05-23 | Sale | ROCKLAGE SCOTT M | 33,553 0.1126% | $13.00 | $436,189 | -43.36% | ||
| 2022-05-23 | Sale | PARMAR KUSH | 33,553 0.1126% | $13.00 | $436,189 | -43.36% | ||
| 2022-03-21 | Fryer Jeffrey M | See Remarks | 3,000 0.0103% | $8.04 | $24,120 | +4.79% | ||
| 2022-02-08 | Sale | PARMAR KUSH | director | 210,000 0.6366% | $13.05 | $2.74M | -36.62% | |
| 2022-02-08 | Sale | 5AM Opportunities I, L.P. | 10 percent owner | 210,000 0.6366% | $13.05 | $2.74M | -36.62% | |
| 2022-01-19 | Fryer Jeffrey M | See Remarks | 1,400 0.0046% | $8.70 | $12,180 | +7.49% | ||
| 2022-01-13 | Uden Stephen | See Remarks | 5,000 0.0172% | $9.15 | $45,752 | +6.63% | ||
| 2022-01-12 | Uden Stephen | See Remarks | 5,000 0.0176% | $10.55 | $52,750 | -5.66% | ||
| 2022-01-11 | MACKAY MARTIN | Chief Executive Officer | 4,496 0.0146% | $10.65 | $47,882 | -13.16% | ||
| 2022-01-10 | MACKAY MARTIN | Chief Executive Officer | 5,504 0.0172% | $10.10 | $55,590 | -11.65% | ||
| 2022-01-07 | Fryer Jeffrey M | See Remarks | 10,000 0.0313% | $9.41 | $94,069 | -4.69% | ||
| 2021-08-02 | SHANNON TIMOTHY M | director | 76,923 0.2018% | $13.00 | $999,999 | -39.61% | ||
| 2021-08-02 | HUNT RONALD | director | 307,692 0.8073% | $13.00 | $4M | -39.61% | ||
| 2021-08-02 | Hopfner Robert Lorne | director | 576,923 1.5136% | $13.00 | $7.5M | -39.61% | ||
| 2021-08-02 | PARMAR KUSH | director | 615,384 1.6145% | $13.00 | $8M | -39.61% |
Insider Historical Profitability
| VIKING GLOBAL INVESTORS LP | 10 percent owner | 4194777 11.0991% | $1.40 | 1 | 0 | <0.0001% |
| ROCKLAGE SCOTT M | 2478969 6.5592% | $1.40 | 0 | 2 | ||
| SHANNON TIMOTHY M | director | 2409712 6.376% | $1.40 | 1 | 0 | <0.0001% |
| PARMAR KUSH | director | 2378969 6.2946% | $1.40 | 1 | 4 | <0.0001% |
| 5AM Partners V, LLC | 10 percent owner | 2378969 6.2946% | $1.40 | 0 | 1 | |
| HUNT RONALD | director | 2301603 6.0899% | $1.40 | 1 | 0 | <0.0001% |
| Hopfner Robert Lorne | director | 2267411 5.9994% | $1.40 | 1 | 0 | <0.0001% |
| 5AM Opportunities I, L.P. | 10 percent owner | 1335637 3.534% | $1.40 | 1 | 1 | <0.0001% |
| Uden Stephen | See Remarks | 719127 1.9028% | $1.40 | 2 | 0 | +0.48% |
| MACKAY MARTIN | Chief Executive Officer | 282609 0.7478% | $1.40 | 2 | 0 | <0.0001% |
| Fryer Jeffrey M | See Remarks | 47048 0.1245% | $1.40 | 3 | 0 | +2.53% |
| Lieber Jonathan I | 5000 0.0132% | $1.40 | 1 | 0 | <0.0001% |
Institutional Investor Ownership
| Viking Global Investors | $7.76M | 10.12 | 4.19M | 0% | +$0 | <0.01 | |
| 5Am Venture Management Llc | $6.72M | 8.76 | 3.63M | 0% | +$0 | 0.45 | |
| New Leaf Venture Partners | $6.11M | 7.97 | 3.3M | 0% | +$0 | 5.35 | |
| Tpg Gp A Llc | $5.6M | 7.31 | 3.03M | 0% | +$0 | 0.11 | |
| Pivotal Bioventure Partners Investment Advisor Llc | $4.45M | 5.8 | 2.4M | 0% | +$0 | 3.26 | |
| Fidelity Investments | $4.22M | 5.5 | 2.28M | -10.09% | -$473,513.13 | <0.0001 | |
| Canaan Partners Xi Llc | $3.81M | 4.97 | 2.06M | 0% | +$0 | 4.2 | |
| Standard Life | $3.2M | 4.17 | 1.73M | 0% | +$0 | 0.01 | |
| BlackRock | $3.1M | 4.04 | 1.68M | -4.54% | -$147,311.80 | <0.0001 | |
| The Vanguard Group | $1.99M | 2.6 | 1.08M | +1.2% | +$23,681.86 | <0.0001 | |
| Laurion Capital Management LP | $1.45M | 1.89 | 783,391 | 0% | +$0 | 0.04 | |
| Geode Capital Management | $961,438.00 | 1.25 | 519,648 | +2.85% | +$26,618.42 | <0.0001 | |
| State Street | $950,378.00 | 1.24 | 513,718 | +1.01% | +$9,523.80 | <0.0001 | |
| Renaissance Technologies | $903,000.00 | 1.18 | 488,100 | New | +$903,000.00 | <0.01 | |
| Mariner Llc | $750,417.00 | 0.98 | 405,631 | +0.24% | +$1,805.60 | <0.01 | |
| Citadel Advisors LLC | $739,375.00 | 0.96 | 399,662 | +25.5% | +$150,220.06 | <0.0001 | |
| Blue Owl Capital Holdings Lp | $647,944.00 | 0.85 | 350,240 | 0% | +$0 | 0.12 | |
| Northern Trust | $452,815.00 | 0.59 | 244,765 | -2.01% | -$9,292.55 | <0.0001 | |
| Millennium Management LLC | $364,041.00 | 0.48 | 196,779 | +453.2% | +$298,234.68 | <0.0001 | |
| Bridgeway Capital Management | $177,970.00 | 0.23 | 96,200 | -25.14% | -$59,755.00 | <0.01 | |
| BNY Mellon | $167,084.00 | 0.22 | 90,316 | +0.04% | +$70.30 | <0.0001 | |
| Charles Schwab | $142,483.00 | 0.19 | 77,018 | 0% | +$0 | <0.0001 | |
| Morgan Stanley | $141,306.00 | 0.18 | 76,382 | -22.94% | -$42,063.24 | <0.0001 | |
| Nuveen | $118,121.00 | 0.15 | 63,849 | 0% | +$0 | <0.0001 | |
| RhumbLine Advisers | $73,907.00 | 0.1 | 39,954 | +3.08% | +$2,210.51 | <0.0001 | |
| Barclays | $68,000.00 | 0.09 | 37,020 | -35.59% | -$37,580.01 | <0.0001 | |
| Squarepoint Ops LLC | $67,386.00 | 0.09 | 36,425 | +159.51% | +$41,419.50 | <0.0001 | |
| Acadian Asset Management | $57,000.00 | 0.08 | 31,294 | New | +$57,000.00 | <0.0001 | |
| UBS | $56,745.00 | 0.07 | 30,673 | +19.2% | +$9,140.84 | <0.0001 | |
| Marshall Wace | $53,710.00 | 0.07 | 29,032 | +93.22% | +$25,913.34 | <0.0001 | |
| Wells Fargo | $48,128.00 | 0.06 | 26,015 | +170.17% | +$30,314.26 | <0.0001 | |
| Bank of America | $44,251.00 | 0.06 | 23,919 | -60.93% | -$69,019.28 | <0.0001 | |
| Xtx Topco Ltd | $42,163.00 | 0.06 | 22,791 | New | +$42,163.00 | <0.01 | |
| NORTHEAST FINANCIAL CONSULTANTS, INC | $40,863.00 | 0.05 | 22,088 | New | +$40,863.00 | <0.01 | |
| HarbourVest Partners | $40,472.00 | 0.05 | 21,877 | 0% | +$0 | 0.02 | |
| Dimensional Fund Advisors | $39,226.00 | 0.05 | 21,203 | -28.47% | -$15,614.18 | <0.0001 | |
| American International Group | $27,874.00 | 0.04 | 15,067 | -0.85% | -$240.50 | <0.0001 | |
| Susquehanna International Group | $26,988.00 | 0.04 | 14,588 | +27.77% | +$5,866.39 | <0.0001 | |
| JPMorgan Chase | $26,995.00 | 0.04 | 14,592 | -26.94% | -$9,952.93 | <0.0001 | |
| Goldman Sachs | $24,500.00 | 0.03 | 13,243 | -30.37% | -$10,683.95 | <0.0001 | |
| Utah Retirement Systems | $24,494.00 | 0.03 | 13,240 | 0% | +$0 | <0.0001 | |
| Capstone Investment Advisors | $20,165.00 | 0.03 | 10,900 | +9% | +$1,665.00 | <0.01 | |
| SG Americas Securities, LLC | $20,000.00 | 0.03 | 10,565 | -37.16% | -$11,827.73 | <0.0001 | |
| New York State Common Retirement Fund | $19,000.00 | 0.03 | 10,467 | 0% | +$0 | <0.0001 | |
| CAPTRUST | $18,557.00 | 0.02 | 10,031 | New | +$18,557.00 | <0.0001 | |
| Mercer Global Advisors Inc Adv | $19,000.00 | 0.02 | 10,000 | New | +$19,000.00 | <0.0001 | |
| Tower Research Capital | $15,020.00 | 0.02 | 8,119 | +118.9% | +$8,158.42 | <0.0001 | |
| Citigroup | $11,744.00 | 0.02 | 6,348 | -53.43% | -$13,473.78 | <0.0001 | |
| Russell Investments Group Ltd | $7,483.00 | 0.01 | 4,045 | New | +$7,483.00 | <0.0001 | |
| CalSTRS | $6,423.00 | 0.01 | 3,472 | -31% | -$2,885.91 | <0.0001 |