Rallybio Corporation

RLYBNASDAQHealthcare● Active

$15.91

$-0.04(-0.25%)

Market Cap$84293407

P/E Ratio—

52W High$17.574

52W Low$2.4

Avg Volume268K

Open$16.13

Beta-0.88

Employees Ownership Insider Trades

Rallybio Corporation (RLYB) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · RLYB · as of Mar 16, 2026

Latest filing snapshot

-11-44.00%vs prior year

Rallybio Corporation (RLYB) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

Change (1Y)

-11

Growth % (1Y)

-44.00%

Revenue / Employee

$61.3K

Net Income / Employee

$-641.3K

Market Cap

$84M

RLYB Employee Count

2021 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-03-16	2025-12-31	14	-11	-44.00%
2025-03-13	2024-12-31	25	-18	-41.86%
2024-03-12	2023-12-31	43	+2	+4.88%
2023-03-06	2022-12-31	41	+6	+17.14%
2022-03-15	2021-12-31	35	—	—

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Biotechnology

#SymbolCompanyEmployeesMkt Cap

Rallybio CorporationYOU

14$84M #4

ITRM

Iterum Therapeutics plc

9$2M #5

INTS

Intensity Therapeutics, Inc.

5$7M #6

CVKD

Cadrenal Therapeutics, Inc. Common Stock

4$12M

KLTO

Klotho Neurosciences, Inc.

3$20M

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · RLYB peer comparison

About RLYB employees

RLYB Employees · Headcount

Rallybio Corporation (RLYB) employee data is sourced from the annual SEC 10-K filing. As of 2025, Rallybio Corporation had 14 full-time employees globally. Full-time employees only. Global consolidated headcount.

Rallybio Corporation employs 14 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $61,286, reflecting the company's operational efficiency.

Rallybio Corporation's workforce decreased by 11 (44.00%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Rallybio Corporation's revenue per employee of $61,286 positions it among the notable performers in the Biotechnology sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

RLYB Employees · 5 questions

As of the latest SEC 10-K filing (2025), Rallybio Corporation had 14 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Rallybio Corporation employee counthow many employees does Rallybio Corporation haveRLYB total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-16