Stocks · Health care · Pharmaceutical Preparations

Rallybio Corp

RLYB Clue Score59
United States Fiscal year ends December CIK 0001739410
17.02
+0.18%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
17.02 on 9 Oct 2026
17 9 1 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $0.53 14 Oct 2025 $0.53 15 Oct 2025 $0.54 16 Oct 2025 $0.55 17 Oct 2025 $0.54 20 Oct 2025 $0.55 21 Oct 2025 $0.56 22 Oct 2025 $0.56 23 Oct 2025 $0.60 24 Oct 2025 $0.61 27 Oct 2025 $0.62 28 Oct 2025 $0.62 29 Oct 2025 $0.61 30 Oct 2025 $0.70 31 Oct 2025 $0.70 3 Nov 2025 $0.67 4 Nov 2025 $0.63 5 Nov 2025 $0.63 6 Nov 2025 $0.64 7 Nov 2025 $0.63 10 Nov 2025 $0.65 11 Nov 2025 $0.71 12 Nov 2025 $0.70 13 Nov 2025 $0.66 14 Nov 2025 $0.64 17 Nov 2025 $0.62 18 Nov 2025 $0.63 19 Nov 2025 $0.62 20 Nov 2025 $0.61 21 Nov 2025 $0.63 24 Nov 2025 $0.64 25 Nov 2025 $0.65 26 Nov 2025 $0.64 28 Nov 2025 $0.65 1 Dec 2025 $0.65 2 Dec 2025 $0.65 3 Dec 2025 $0.66 4 Dec 2025 $0.67 5 Dec 2025 $0.66 8 Dec 2025 $0.68 9 Dec 2025 $0.72 10 Dec 2025 $0.77 11 Dec 2025 $0.74 12 Dec 2025 $0.73 15 Dec 2025 $0.77 16 Dec 2025 $0.77 17 Dec 2025 $0.72 18 Dec 2025 $0.78 19 Dec 2025 $0.79 22 Dec 2025 $0.78 23 Dec 2025 $0.76 24 Dec 2025 $0.73 26 Dec 2025 $0.69 29 Dec 2025 $0.70 30 Dec 2025 $0.68 31 Dec 2025 $0.69 2 Jan 2026 $0.71 5 Jan 2026 $0.68 6 Jan 2026 $0.68 7 Jan 2026 $0.72 8 Jan 2026 $0.74 9 Jan 2026 $0.71 12 Jan 2026 $0.73 13 Jan 2026 $0.71 14 Jan 2026 $0.69 15 Jan 2026 $0.68 16 Jan 2026 $0.66 20 Jan 2026 $0.62 21 Jan 2026 $0.68 22 Jan 2026 $0.67 23 Jan 2026 $0.67 26 Jan 2026 $0.66 27 Jan 2026 $0.64 28 Jan 2026 $0.64 29 Jan 2026 $0.67 30 Jan 2026 $0.64 2 Feb 2026 $0.66 3 Feb 2026 $0.63 4 Feb 2026 $0.58 5 Feb 2026 $0.58 6 Feb 2026 $4.75 9 Feb 2026 $4.70 10 Feb 2026 $4.80 11 Feb 2026 $4.76 12 Feb 2026 $4.77 13 Feb 2026 $4.82 17 Feb 2026 $4.33 18 Feb 2026 $4.45 19 Feb 2026 $4.75 20 Feb 2026 $5.06 23 Feb 2026 $5.50 24 Feb 2026 $5.83 25 Feb 2026 $5.82 26 Feb 2026 $6.80 27 Feb 2026 $7.54 2 Mar 2026 $10.97 3 Mar 2026 $10.71 4 Mar 2026 $10.51 5 Mar 2026 $10.80 6 Mar 2026 $10.91 9 Mar 2026 $10.77 10 Mar 2026 $10.00 11 Mar 2026 $9.98 12 Mar 2026 $9.60 13 Mar 2026 $9.50 16 Mar 2026 $9.41 17 Mar 2026 $9.65 18 Mar 2026 $9.36 19 Mar 2026 $9.09 20 Mar 2026 $8.87 23 Mar 2026 $9.11 24 Mar 2026 $8.67 25 Mar 2026 $8.63 26 Mar 2026 $8.44 27 Mar 2026 $8.22 30 Mar 2026 $8.04 31 Mar 2026 $8.97 1 Apr 2026 $8.40 2 Apr 2026 $8.43 6 Apr 2026 $8.12 7 Apr 2026 $8.05 8 Apr 2026 $8.22 9 Apr 2026 $8.21 10 Apr 2026 $8.44 13 Apr 2026 $8.30 14 Apr 2026 $8.25 15 Apr 2026 $8.28 16 Apr 2026 $8.33 17 Apr 2026 $8.22 20 Apr 2026 $8.29 21 Apr 2026 $8.29 22 Apr 2026 $8.55 23 Apr 2026 $8.50 24 Apr 2026 $8.63 27 Apr 2026 $8.78 28 Apr 2026 $8.80 29 Apr 2026 $8.88 30 Apr 2026 $8.98 1 May 2026 $9.41 4 May 2026 $14.12 5 May 2026 $14.28 6 May 2026 $14.56 7 May 2026 $14.66 8 May 2026 $14.38 11 May 2026 $14.00 12 May 2026 $14.03 13 May 2026 $14.35 14 May 2026 $14.21 15 May 2026 $14.30 18 May 2026 $14.10 19 May 2026 $14.19 20 May 2026 $14.58 21 May 2026 $15.38 22 May 2026 $15.88 26 May 2026 $14.70 27 May 2026 $14.53 28 May 2026 $14.52 29 May 2026 $14.46 1 Jun 2026 $16.87 2 Jun 2026 $16.23 3 Jun 2026 $16.07 4 Jun 2026 $16.20 5 Jun 2026 $15.95 8 Jun 2026 $15.91 9 Jun 2026 $15.91 10 Jun 2026 $15.94 11 Jun 2026 $15.92 12 Jun 2026 $15.92 15 Jun 2026 $15.90 16 Jun 2026 $15.90 17 Jun 2026 $15.92 18 Jun 2026 $15.97 22 Jun 2026 $15.93 23 Jun 2026 $15.70 24 Jun 2026 $15.92 25 Jun 2026 $15.71 26 Jun 2026 $16.00 29 Jun 2026 $16.06 30 Jun 2026 $16.00 1 Jul 2026 $15.94 2 Jul 2026 $15.82 6 Jul 2026 $15.72 7 Jul 2026 $15.67 8 Jul 2026 $15.68 9 Jul 2026 $15.83 10 Jul 2026 $15.73 13 Jul 2026 $15.89 14 Jul 2026 $16.01 15 Jul 2026 $16.13 16 Jul 2026 $15.96 17 Jul 2026 $16.42 20 Jul 2026 $16.71 21 Jul 2026 $16.91 22 Jul 2026 $16.62 23 Jul 2026 $16.39 24 Jul 2026 $16.31 27 Jul 2026 $16.31 28 Jul 2026 $16.16 29 Jul 2026 $15.96 30 Jul 2026 $16.07 31 Jul 2026 $15.93 3 Aug 2026 $15.95 4 Aug 2026 $15.96 5 Aug 2026 $16.14 6 Aug 2026 $16.19 7 Aug 2026 $16.16 10 Aug 2026 $16.61 11 Aug 2026 $16.38 12 Aug 2026 $16.59 13 Aug 2026 $16.96 14 Aug 2026 $16.99 17 Aug 2026 $17.00 18 Aug 2026 $16.77 19 Aug 2026 $17.00 20 Aug 2026 $16.60 21 Aug 2026 $16.83 24 Aug 2026 $16.80 25 Aug 2026 $16.89 26 Aug 2026 $16.88 27 Aug 2026 $16.76 28 Aug 2026 $16.81 31 Aug 2026 $16.79 1 Sep 2026 $16.69 2 Sep 2026 $16.94 3 Sep 2026 $16.88 4 Sep 2026 $16.93 8 Sep 2026 $16.61 9 Sep 2026 $16.97 10 Sep 2026 $16.75 11 Sep 2026 $16.88 14 Sep 2026 $16.51 15 Sep 2026 $17.22 16 Sep 2026 $17.09 17 Sep 2026 $17.16 18 Sep 2026 $17.19 21 Sep 2026 $16.93 22 Sep 2026 $16.92 23 Sep 2026 $16.86 24 Sep 2026 $16.61 25 Sep 2026 $16.62 28 Sep 2026 $17.05 29 Sep 2026 $17.22 30 Sep 2026 $17.20 1 Oct 2026 $16.76 2 Oct 2026 $17.08 5 Oct 2026 $16.90 6 Oct 2026 $17.08 7 Oct 2026 $16.93 8 Oct 2026 $16.99 9 Oct 2026 $17.02 Lieber Jonathan I Chief Financial Officer Sold at will $3.99K 23 Feb 2026 · at $5.06 · 16.1% of stake ADAR1 Capital Management, LLC 10% owner Bought $1.69M 4 May 2026 · at $13.97 · 19.4% of stake ADAR1 Capital Management, LLC 10% owner Bought $491.26K 5 May 2026 · at $14.00 · 4.7% of stake ADAR1 Capital Management, LLC 10% owner Bought $699.99K 11 May 2026 · at $14.00 · 6.4% of stake ADAR1 Capital Management, LLC 10% owner Bought $11.06K 12 May 2026 · at $13.83 · 0.1% of stake ADAR1 Capital Management, LLC 10% owner Bought $1.11M 13 May 2026 · at $13.99 · 9.5% of stake ADAR1 Capital Management, LLC 10% owner Bought $4.17K 15 May 2026 · at $13.90 · 0.0% of stake ADAR1 Capital Management, LLC 10% owner Bought $83.98K 18 May 2026 · at $13.98 · 0.7% of stake ADAR1 Capital Management, LLC 10% owner Bought $142.58K 19 May 2026 · at $13.98 · 1.1% of stake
8 buys1 sale at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$858.00K
Net income
$8.98M
Free cash flow
$29.81M
Operating margin
-3,853.6%
Net margin
-1,046.4%
Return on equity
-15.5%
Return on capital
-45.1%
Revenue growth, 1 yr
34.9%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
0K -26M FY20 Fiscal year 2020 Revenue $0.00 Net income $26.45M Margin n/a 0K -47M FY21 Fiscal year 2021 Revenue $0.00 Net income $47.01M Margin n/a 0K -67M FY22 Fiscal year 2022 Revenue $0.00 Net income $66.65M Margin n/a 0K -75M FY23 Fiscal year 2023 Revenue $0.00 Net income $74.56M Margin n/a 636K -58M FY24 Fiscal year 2024 Revenue $636.00K Net income $57.78M Margin -9,084.1% 858K -9M FY25 Fiscal year 2025 Revenue $858.00K Net income $8.98M Margin -1,046.4% · growth +34.9%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
19 May 2026 ADAR1 Capital Management, LLC
10% owner
Bought $142.58K 1.1%
18 May 2026 ADAR1 Capital Management, LLC
10% owner
Bought $83.98K 0.7%
15 May 2026 ADAR1 Capital Management, LLC
10% owner
Bought $4.17K 0.0%
13 May 2026 ADAR1 Capital Management, LLC
10% owner
Bought $1.11M 9.5%
12 May 2026 ADAR1 Capital Management, LLC
10% owner
Bought $11.06K 0.1%
11 May 2026 ADAR1 Capital Management, LLC
10% owner
Bought $699.99K 6.4%