BYSI Stock Price Chart
Daily OHLCV with technical indicators — pan, zoom, and customize your view
04
range
bars
Bar granularity adapts to the selected period — hover the chart to see open/high/low/close for a bar.
10-Year Performance
Revenue, net income, margins and EPS trends
06
Revenue$02023-12-31 → 2025-12-31
Free Cash Flow$-20M2024-12-31 → 2025-12-31
Valuation & Ratios07–12
Valuation
P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?
Metric
5Y trend
BYSI
5Y avg
Peer Median
Verdict
P/B (MRQ)
-0.9
·
·
·
Price / FCF (TTM)
-1.9
·
·
·
Price / Cash Flow (TTM)
-1.9
·
·
·
Peer median is calculated on a standardized basis per metric and may not always match the TTM/MRQ basis shown for this stock.
Profitability
Gross, operating and net margins; ROE, ROA, ROIC
Metric
5Y trend
BYSI
5Y avg
Peer Median
Verdict
ROA
-3.3%
·
-16.9%
Top tier
ROE
3.1%
·
-79.7%
Top tier
ROIC
28.1%
·
-97.3%
Top tier
Financial Health
Debt, liquidity, solvency — balance sheet strength
Metric
5Y trend
BYSI
5Y avg
Peer Median
Verdict
Current Ratio (MRQ)
0.7
·
1.2
Below avg
Quick Ratio
0.9
·
0.6
Below avg
Growth
Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR
No data for this ratio group yet
Not enough fundamentals data to compute this ratio group yet.
Per Share Metrics
EPS, book value per share, cash flow per share, dividend per share
No data for this ratio group yet
Not enough fundamentals data to compute this ratio group yet.
Capital Efficiency
Asset turnover, inventory turnover, receivables turnover
Metric
5Y trend
BYSI
5Y avg
Peer Median
Verdict
Asset Turnover
0.0
·
0.0
Weak
Revenue / Employee
≈$0.00
·
·
·
value · ≈ 5Y avg · industry median · verdict relative to median
Earnings History
EPS actual vs estimate, surprise %, beat rate, next earnings date
14
Avg Surprise-9.8%
Next ReportNov 10, 2026
Period
Report
EPS Actual
EPS Est
Surprise
March 31, 2026
May 13, 2026
$-0.05
—
—
Dec. 31, 2021
$-0.24
$-0.27
10.9%
Sept. 30, 2021
$-0.47
$-0.38
-22.9%
June 30, 2021
$-0.49
$-0.33
-47.4%
March 31, 2021
$-0.44
$-0.55
20.1%
Full Fundamentals
All metrics by year — income statement, balance sheet, cash flow
15
Income Statement10
Metric
Trend
2025
2024
2023
Revenue
$0
$0
$0
R&D Expense
$4M
$3M
$7M
SG&A Expense
$5M
$6M
$8M
Operating Income
$-9M
$-9M
$-15M
Interest Income
$78.0K
$59.0K
$322.0K
Pretax Income
$-9M
$-9M
$-14M
Income Tax
$90.0K
$96.0K
$-92.0K
Net Income
$-1M
$-11M
$-21M
EPS (Basic)
$-0.02
$-0.28
$-0.54
EBITDA
$-9M
$-9M
·
Balance Sheet22
Metric
Trend
2025
2024
2023
Cash & Equivalents
$8M
$3M
$5M
Short-term Investments
$5M
$0
·
Prepaid Expense
$71.0K
$68.0K
$168.0K
Current Assets
$21M
$29M
$18M
PP&E (Net)
$166.0K
$239.0K
$317.0K
PP&E (Gross)
$807.0K
$793.0K
$799.0K
Accum. Depreciation
$641.0K
$554.0K
$482.0K
Other Non-current Assets
$224.0K
$213.0K
$123.0K
Total Assets
$26M
$34M
$25M
Accounts Payable
$363.0K
$295.0K
$561.0K
Accrued Liabilities
$938.0K
$840.0K
$2M
Current Liabilities
$14M
$11M
$8M
Capital Leases
$0
$307.0K
$589.0K
Other Non-current Liabilities
$4M
$4M
$4M
Total Liabilities
$50M
$49M
$48M
Common Stock
$4.0K
$4.0K
$4.0K
Paid-in Capital
$376M
$373M
$369M
Retained Earnings
$-408M
$-407M
$-396M
AOCI
$602.0K
$1M
$894.0K
Stockholders' Equity
$-32M
$-33M
$-27M
Liabilities + Equity
$26M
$34M
$25M
Shares Outstanding
41,122,320
40,316,320
39,029,163
Cash Flow11
Metric
Trend
2025
2024
2023
Stock-based Comp
$722.0K
$2M
$770.0K
Deferred Tax
$0
$0
$0
Operating Cash Flow
$-20M
$-16M
$-16M
CapEx
$50.0K
$224.0K
$100.0K
Investing Cash Flow
$11M
$-12M
$-100.0K
Stock Issued
$2M
$3M
$0
Net Stock Activity
$2M
$3M
·
Financing Cash Flow
$5M
$27M
$4.0K
Net Change in Cash
$-4M
$-2M
$-17M
Taxes Paid
$2.0K
$7.0K
$36.0K
Free Cash Flow
$-20M
$-17M
·
Profitability3
Metric
Trend
2025
2024
2023
ROA
-3.3%
-37.6%
·
ROE
3.1%
37.3%
·
ROIC
28.1%
26.3%
·
Liquidity & Solvency2
Metric
Trend
2025
2024
2023
Current Ratio
1.5
2.6
·
Quick Ratio
0.9
0.3
·
Efficiency1
Metric
Trend
2025
2024
2023
Asset Turnover
0.0
0.0
·
Per Share2
Metric
Trend
2025
2024
2023
Book Value / Share
·
$-0.82
·
Cash / Share
·
$0.07
·
Valuation (TTM)6
Metric
Trend
2025
2024
2023
Revenue TTM
$0
$0
·
Net Income TTM
$-1M
$-11M
·
Market Cap
·
$66M
·
P/B
·
-2.0
·
P / Cash Flow
·
-4.0
·
P / FCF
·
-3.9
·
Income Statement12
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Revenue
$0
$0
$0
$0
$0
$0
$0
$0
$0
$0
R&D Expense
$973.0K
$1M
$1M
$1M
$1M
$874.0K
$472.0K
$622.0K
$829.0K
$721.0K
SG&A Expense
$758.0K
$1M
$1M
$751.0K
$947.0K
$2M
$1M
$2M
$2M
$1M
Operating Income
$-2M
$-2M
$-3M
$-2M
$-2M
$-3M
$-2M
$-2M
$-3M
$-2M
Interest Income
$4.0K
$8.0K
$14.0K
$19.0K
$28.0K
$17.0K
$4.0K
$15.0K
$11.0K
$29.0K
Pretax Income
$-2M
$-2M
$-2M
$-2M
$-2M
$-3M
$-2M
$-2M
$-3M
$-2M
Income Tax
$100.0K
$192.0K
$22.0K
$26.0K
$22.0K
$20.0K
$96.0K
$0
$0
$0
Net Income
$-849.0K
$-2M
$-2M
$-2M
$-2M
$4M
$-2M
$-2M
$-4M
$-3M
EPS (Basic)
$-0.02
$-0.05
$-0.05
$-0.04
$-0.04
$0.11
$-0.05
$-0.05
$-0.10
$-0.08
EPS (Diluted)
·
·
·
$0.16
$-0.10
·
·
·
$-0.04
·
Shares (Basic)
41,119,820
41,119,803
·
40,317,266
40,316,320
40,316,320
·
40,300,350
39,280,607
39,029,163
EBITDA
$-2M
$-2M
·
$-2M
$-2M
$-3M
·
·
·
·
Balance Sheet22
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Cash & Equivalents
$3M
$4M
$8M
$12M
$10M
$7M
$3M
·
·
·
Short-term Investments
$4M
$4M
$5M
$141.0K
·
$2M
$0
·
·
·
Prepaid Expense
$273.0K
$181.0K
$71.0K
$131.0K
$200.0K
$90.0K
$68.0K
·
·
·
Current Assets
$10M
$14M
$21M
$24M
$26M
$32M
$29M
·
·
·
PP&E (Net)
$138.0K
$152.0K
$166.0K
$184.0K
$202.0K
$221.0K
$239.0K
·
·
·
PP&E (Gross)
$817.0K
$812.0K
$807.0K
$803.0K
$800.0K
$796.0K
$793.0K
·
·
·
Accum. Depreciation
$679.0K
$660.0K
$641.0K
$619.0K
$598.0K
$575.0K
$554.0K
·
·
·
Other Non-current Assets
$128.0K
$126.0K
$224.0K
$219.0K
$216.0K
$215.0K
$213.0K
·
·
·
Total Assets
$15M
$18M
$26M
$29M
$31M
$37M
$34M
·
·
·
Accounts Payable
$790.0K
$646.0K
$363.0K
$304.0K
$266.0K
$358.0K
$295.0K
·
·
·
Accrued Liabilities
$1M
$1M
$938.0K
$990.0K
$926.0K
$909.0K
$840.0K
·
·
·
Current Liabilities
$14M
$12M
$14M
$13M
$12M
$13M
$11M
·
·
·
Capital Leases
·
·
$0
$93.0K
$170.0K
$246.0K
$307.0K
·
·
·
Other Non-current Liabilities
$4M
$4M
$4M
$4M
$4M
$4M
$4M
·
·
·
Total Liabilities
$51M
$49M
$50M
$49M
$49M
$50M
$49M
·
·
·
Common Stock
$4.0K
$4.0K
$4.0K
$4.0K
$4.0K
$4.0K
$4.0K
·
·
·
Paid-in Capital
$376M
$376M
$376M
$374M
$374M
$373M
$373M
·
·
·
Retained Earnings
$-411M
$-411M
$-408M
$-406M
$-405M
$-403M
$-407M
·
·
·
AOCI
$55.0K
$360.0K
$602.0K
$913.0K
$1M
$1M
$1M
·
·
·
Stockholders' Equity
$-36M
$-34M
$-32M
$-32M
$-30M
$-28M
$-33M
·
·
·
Liabilities + Equity
$15M
$18M
$26M
$29M
$31M
$37M
$34M
·
·
·
Shares Outstanding
41,119,820
41,119,820
·
40,322,320
40,322,320
40,316,320
40,316,320
·
·
·
Cash Flow9
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Stock-based Comp
$575.0K
$461.0K
$167.0K
$166.0K
$145.0K
$244.0K
$399.0K
$827.0K
$778.0K
$251.0K
Operating Cash Flow
$-4M
$-3M
$-6M
$-4M
$-6M
$-4M
$982.0K
$-5M
$-7M
$-5M
CapEx
$0
$0
$0
$0
$0
$50.0K
$27.0K
$197.0K
$0
$0
Investing Cash Flow
$-5.0K
$4M
$-5M
$-1M
$11M
$6M
$-10M
$-2M
$0
$0
Stock Issued
·
·
$2M
$0
·
·
$0
$0
·
·
Financing Cash Flow
$-74.0K
$-4M
$2M
$3M
$0
$0
$2M
$22M
·
·
Net Change in Cash
$-4M
$-3M
$-9M
$-2M
$5M
$2M
$-7M
$15M
$-4M
$-5M
Taxes Paid
$0
$0
$1.0K
$0
$1.0K
$0
$0
$0
·
·
Free Cash Flow
·
$-3M
·
·
·
$-4M
·
·
·
·
Profitability3
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
ROA
-3.7%
-7.8%
·
-10.4%
-11.6%
24.1%
·
·
·
·
ROE
2.6%
6.9%
·
9.7%
11.9%
-31.6%
·
·
·
·
ROIC
5.2%
7.0%
·
5.7%
6.5%
9.3%
·
·
·
·
Liquidity & Solvency2
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Current Ratio
0.7
1.1
·
1.9
2.2
2.5
·
·
·
·
Quick Ratio
0.5
0.6
·
1.0
0.8
0.7
·
·
·
·
Efficiency1
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Asset Turnover
0.0
0.0
·
0.0
0.0
0.0
·
·
·
·
Per Share2
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Book Value / Share
$-0.86
$-0.84
·
$-0.79
$-0.75
$-0.70
·
·
·
·
Cash / Share
$0.07
$0.10
·
$0.31
$0.24
$0.16
·
·
·
·
Valuation (TTM)5
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Revenue TTM
$0
$0
·
$0
$0
$0
·
·
·
·
Net Income TTM
$-7M
$-8M
·
$-598.0K
$-1M
$-3M
·
·
·
·
Market Cap
$72M
$67M
·
$73M
$95M
$58M
·
·
·
·
P/B
-2.0
-2.0
·
-2.3
-3.1
-2.0
·
·
·
·
P / Cash Flow
·
-20.6
·
·
·
-13.8
·
·
·
·
Most recent period on the left · null values shown as ·
Financial Statements
Income statement, balance sheet, cash flow — annual, last 5 years
16
Metric
2025-12-31
2024-12-31
2023-12-31
Revenue
$0
$0
$0
Net Income
$-1M
$-11M
$-21M
Metric
2025-12-31
2024-12-31
2023-12-31
Current Ratio
1.5
2.6
·
Quick Ratio
0.9
0.3
·
Metric
2025-12-31
2024-12-31
2023-12-31
Free Cash Flow
$-20M
$-17M
·
Institutional owners (13F)
26 filers
· $11.9M total
· As of June 30, 2026
17
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
Holders26
Value held$11.9M
New positions5
Exited positions1
Institutional activity — Q2 2026 vs prior quarter
New positions
Exited positions
Increased
Decreased
Net shares change
5 (0 vs prior Q)
1 (-7 vs prior Q)
7 (+3 vs prior Q)
4 (0 vs prior Q)
+84K
Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.
Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.
Filer
Filed
Stake
Status
Purpose
Filing
Decheng Capital China Life Sciences USD Fund II, L.P., Decheng Capital Management II (Cayman), LLC, Decheng Capital China Life Sciences USD Fund III, L.P., Decheng Capital Management III (Cayman), LLC, Decheng Capital Global Healthcare Fund (Master), LP, Decheng Capital Global Healthcare GP, LLC, Xiangmin Cui
×2 filings
Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.
Company insiders
8 insiders
· 3 officers · 6 directors