Stocks
RLYB Rallybio Corp

RLYB

Rallybio Corp

Company with tickers: RLYB

CIK

1739410

CUSIP

75120L209

Shares Outstanding

5,289,675

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-04	FMR LLC	10% Owner	Other	211,798	—	—	211,798
2026-02-23	Lieber Jonathan I	Chief Financial Officer	Sell	789	$5.06	$3,992	4,115
2026-02-18	HUNT RONALD	Director	Award	14,305	$3.60	$51,498	14,305
2026-02-18	Lieber Jonathan I	Chief Financial Officer	Award	2,500	—	—	4,904
2026-02-18	MACKAY MARTIN	Director	Award	18,055	$3.60	$64,998	18,055
2025-05-13	Boudreau Helen M	Director	Award	28,500	—	—	28,500
2025-05-13	Chung Wendy	Director	Award	28,500	—	—	28,500
2025-05-13	HUNT RONALD	Director	Award	28,500	—	—	28,500
2025-05-13	Nash Christine A	Director	Award	28,500	—	—	28,500
2025-05-13	Hopfner Robert Lorne	Director	Award	28,500	—	—	28,500
2025-05-13	Soteropoulos Paula	Director	Award	28,500	—	—	28,500
2025-05-13	Liu Hui	Director	Award	28,500	—	—	28,500
2025-05-13	MACKAY MARTIN	Director	Award	28,500	—	—	28,500
2025-02-14	Uden Stephen	Director, Chief Executive Officer	Award	453,700	—	—	453,700
2025-02-14	Ryder Steven	Chief Medical Officer	Award	180,000	—	—	180,000
2025-02-14	Lieber Jonathan I	Chief Financial Officer	Award	180,000	—	—	180,000
2025-01-02	Hopfner Robert Lorne	Director	Award	73,571	$0.70	$51,500	73,571
2025-01-02	Liu Hui	Director	Award	67,857	$0.70	$47,500	67,857
2025-01-02	MACKAY MARTIN	Director	Award	92,857	$0.70	$65,000	92,857
2025-01-02	HUNT RONALD	Director	Award	73,571	$0.70	$51,500	73,571
2024-05-15	HUNT RONALD	Director	Award	16,500	—	—	16,500
2024-05-15	Liu Hui	Director	Award	16,500	—	—	16,500
2024-05-15	Nash Christine A	Director	Award	16,500	—	—	16,500
2024-05-15	Boudreau Helen M	Director	Award	16,500	—	—	16,500
2024-05-15	PARMAR KUSH	Director	Award	16,500	—	—	16,500
2024-05-15	Soteropoulos Paula	Director	Award	16,500	—	—	16,500
2024-05-15	Hopfner Robert Lorne	Director	Award	16,500	—	—	16,500
2024-05-15	Chung Wendy	Director	Award	16,500	—	—	16,500
2024-02-15	MACKAY MARTIN	Director	Award	216,000	—	—	216,000
2024-02-15	Uden Stephen	Director, Chief Executive Officer	Award	216,000	—	—	216,000
2024-02-15	Lieber Jonathan I	Chief Financial Officer	Award	120,000	—	—	120,000
2024-02-15	Ryder Steven	Chief Medical Officer	Award	120,000	—	—	120,000
2024-01-02	PARMAR KUSH	Director	Award	27,118	$1.77	$47,999	27,118
2024-01-02	HUNT RONALD	Director	Award	29,096	$1.77	$51,500	29,096
2023-05-17	PARMAR KUSH	Director	Award	15,490	—	—	15,490
2023-05-17	Nash Christine A	Director	Award	15,490	—	—	15,490
2023-05-17	Boudreau Helen M	Director	Award	15,490	—	—	15,490
2023-05-17	Soteropoulos Paula	Director	Award	15,490	—	—	15,490
2023-05-17	Liu Hui	Director	Award	15,490	—	—	15,490
2023-05-17	Chung Wendy	Director	Award	12,353	—	—	12,353
2023-05-17	Hopfner Robert Lorne	Director	Award	15,490	—	—	15,490
2023-05-17	HUNT RONALD	Director	Award	15,490	—	—	15,490
2023-03-14	Lieber Jonathan I	Chief Financial Officer	Buy	5,000	$5.21	$26,050	5,000
2023-03-07	5AM Partners V, LLC	10% Owner	Other	1,251,755	—	—	1,251,755
2023-03-07	5AM Partners V, LLC	10% Owner	Sell	100,000	$8.20	$820,000	2,378,969
2023-03-07	PARMAR KUSH	Director	Other	1,251,755	—	—	1,251,755
2023-03-07	PARMAR KUSH	Director	Sell	100,000	$8.20	$820,000	2,378,969
2023-02-06	MACKAY MARTIN	Director	Award	214,000	—	—	214,000
2023-02-06	Uden Stephen	Director, Chief Executive Officer	Award	214,000	—	—	214,000
2023-02-06	Ryder Steven	Chief Medical Officer	Award	119,000	—	—	119,000
2023-02-01	Lieber Jonathan I	Chief Financial Officer	Award	240,000	—	—	240,000
2023-02-01	Lieber Jonathan I	Chief Financial Officer	Other	0	—	—	0
2023-01-03	Liu Hui	Director	Award	10,237	—	—	10,237
2023-01-03	PARMAR KUSH	Director	Award	10,344	—	—	10,344
2023-01-03	HUNT RONALD	Director	Award	11,099	—	—	11,099
2023-01-03	Chung Wendy	Director	Award	9,482	—	—	9,482
2022-11-15	VIKING GLOBAL INVESTORS LP	10% Owner	Buy	3,333,388	$6.00	$19,999,995	3,333,388
2022-08-01	Chung Wendy	Director	Award	26,880	—	—	26,880
2022-08-01	Chung Wendy	Director	Other	0	—	—	0
2022-06-03	PARMAR KUSH	Director	Sell	99,671	$12.50	$1,245,888	2,478,969
2022-06-03	5AM Opportunities I, L.P.	10% Owner	Sell	50,329	$12.50	$629,113	1,251,755
2022-05-24	HUNT RONALD	Director	Award	13,440	—	—	13,440
2022-05-24	PARMAR KUSH	Director	Award	13,440	—	—	13,440
2022-05-24	Liu Hui	Director	Award	2,240	—	—	2,240
2022-05-24	Soteropoulos Paula	Director	Award	13,440	—	—	13,440
2022-05-24	Boudreau Helen M	Director	Award	13,440	—	—	13,440
2022-05-24	Hopfner Robert Lorne	Director	Award	13,440	—	—	13,440
2022-05-24	Nash Christine A	Director	Award	2,240	—	—	2,240
2022-05-23	PARMAR KUSH	Director	Sell	66,447	$13.00	$863,811	2,578,640
2022-05-23	5AM Opportunities I, L.P.	10% Owner	Sell	33,553	$13.00	$436,189	1,302,084
2022-04-04	Liu Hui	Director	Award	26,880	—	—	26,880
2022-04-04	Nash Christine A	Director	Award	26,880	—	—	26,880
2022-04-04	Liu Hui	Director	Other	0	—	—	0
2022-04-04	Nash Christine A	Director	Other	0	—	—	0
2022-03-21	Fryer Jeffrey M	See Remarks	Other	272,609	—	—	272,609
2022-03-21	Fryer Jeffrey M	See Remarks	Buy	3,000	$8.04	$24,120	47,048
2022-02-08	5AM Opportunities I, L.P.	10% Owner	Sell	70,461	$13.05	$919,516	1,335,637
2022-02-08	PARMAR KUSH	Director	Sell	139,539	$13.05	$1,820,984	2,645,087
2022-02-07	Fryer Jeffrey M	See Remarks	Award	62,000	—	—	62,000
2022-02-07	Uden Stephen	Director, Chief Executive Officer	Award	62,000	—	—	62,000
2022-02-07	MACKAY MARTIN	Director	Award	62,000	—	—	62,000
2022-02-07	Ryder Steven	Chief Medical Officer	Award	62,000	—	—	62,000
2022-01-19	Fryer Jeffrey M	See Remarks	Buy	1,400	$8.70	$12,180	44,048
2022-01-13	Uden Stephen	Director, Chief Executive Officer	Buy	4,193	$9.06	$37,989	718,320
2022-01-12	Uden Stephen	Director, Chief Executive Officer	Buy	5,000	$10.55	$52,750	714,127
2022-01-11	MACKAY MARTIN	Director	Buy	4,496	$10.65	$47,882	282,609
2022-01-10	MACKAY MARTIN	Director	Buy	5,504	$10.10	$55,590	278,113
2022-01-07	Fryer Jeffrey M	See Remarks	Buy	705	$8.97	$6,324	33,353
2022-01-03	PARMAR KUSH	Director	Award	5,772	—	—	5,772
2022-01-03	Hopfner Robert Lorne	Director	Award	6,242	—	—	6,242
2022-01-03	HUNT RONALD	Director	Award	6,242	—	—	6,242
2022-01-03	SHANNON TIMOTHY M	Director	Award	6,041	—	—	6,041
2022-01-03	Soteropoulos Paula	Director	Award	5,369	—	—	5,369
2021-08-02	PARMAR KUSH	Director	Buy	615,384	$13.00	$7,999,992	1,406,098
2021-08-02	Hopfner Robert Lorne	Director	Buy	576,923	$13.00	$7,499,999	2,267,411
2021-08-02	SHANNON TIMOTHY M	Director	Buy	76,923	$13.00	$999,999	2,409,712
2021-08-02	5AM Opportunities I, L.P.	10% Owner	Buy	615,384	$13.00	$7,999,992	1,406,098
2021-08-02	5AM Opportunities I, L.P.	10% Owner	Other	2,784,626	—	—	2,784,626
2021-08-02	HUNT RONALD	Director	Buy	153,846	$13.00	$1,999,998	2,147,757
2021-08-02	FMR LLC	10% Owner	Other	10,789,193	—	—	0