Earnings History
EPS actual vs estimate, surprise %, beat rate, next earnings date
Avg Surprise
-0.03%
Next Report
Sep 04, 2026
Period
EPS Actual
EPS Est
Surprise
March 31, 2026
$-0.05
—
—
Dec. 31, 2021
$-0.24
$-0.27
0.03%
Sept. 30, 2021
$-0.47
$-0.38
-0.09%
June 30, 2021
$-0.49
$-0.33
-0.16%
March 31, 2021
$-0.44
$-0.55
0.11%
Peer comparison (GICS sub-industry)
Key metrics vs sector peers
Ticker
Market Cap
P/E
Rev YoY
Net Margin
ROE
Gross Margin
BYSI
—
—
—
—
3.1%
—
LTRN
—
-1.9
—
—
—
—
LITS
$16M
-1.0
33.8%
—
-81.7%
—
GRML
—
—
—
—
-104.9%
—
GRDX
$20M
-1.1
—
-17634.4%
-68.6%
-1813.6%
DYAI
—
-4.1
-11.6%
—
—
—
ATOS
$5M
-0.1
—
—
-71.7%
—
KYNB
$36M
0.2
-78.3%
2848.6%
-143.5%
—
Full Fundamentals
All metrics by year — income statement, balance sheet, cash flow
Income Statement10
Annual Income Statement data for BYSI
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
Annual Balance Sheet data for BYSI
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
Annual Cash Flow data for BYSI
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
Annual Profitability data for BYSI
Metric
Trend
2025
2024
2023
ROA
-3.3%
-37.6%
·
ROE
3.1%
37.3%
·
ROIC
28.1%
26.3%
·
Liquidity & Solvency2
Annual Liquidity & Solvency data for BYSI
Metric
Trend
2025
2024
2023
Current Ratio
1.5
2.6
·
Quick Ratio
0.9
0.3
·
Efficiency1
Annual Efficiency data for BYSI
Metric
Trend
2025
2024
2023
Asset Turnover
0.0
0.0
·
Per Share2
Annual Per Share data for BYSI
Metric
Trend
2025
2024
2023
Book Value / Share
·
$-0.82
·
Cash / Share
·
$0.07
·
Valuation (TTM)6
Annual Valuation (TTM) data for BYSI
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
Quarterly Income Statement data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Revenue
$0
$0
$0
$0
$0
$0
$0
$0
R&D Expense
$973.0K
$1M
$1M
$1M
$1M
$874.0K
$472.0K
$622.0K
SG&A Expense
$758.0K
$1M
$1M
$751.0K
$947.0K
$2M
$1M
$2M
Operating Income
$-2M
$-2M
$-3M
$-2M
$-2M
$-3M
$-2M
$-2M
Interest Income
$4.0K
$8.0K
$14.0K
$19.0K
$28.0K
$17.0K
$4.0K
$15.0K
Pretax Income
$-2M
$-2M
$-2M
$-2M
$-2M
$-3M
$-2M
$-2M
Income Tax
$100.0K
$192.0K
$22.0K
$26.0K
$22.0K
$20.0K
$96.0K
$0
Net Income
$-849.0K
$-2M
$-2M
$-2M
$-2M
$4M
$-2M
$-2M
EPS (Basic)
$-0.02
$-0.05
$-0.05
$-0.04
$-0.04
$0.11
$-0.05
$-0.05
EPS (Diluted)
·
·
·
$0.16
$-0.10
·
·
·
Shares (Basic)
41,119,820
41,119,803
·
40,317,266
40,316,320
40,316,320
·
40,300,350
EBITDA
$-2M
$-2M
·
$-2M
$-2M
$-3M
·
·
Balance Sheet22
Quarterly Balance Sheet data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 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
Quarterly Cash Flow data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Stock-based Comp
$575.0K
$461.0K
$167.0K
$166.0K
$145.0K
$244.0K
$399.0K
$827.0K
Operating Cash Flow
$-4M
$-3M
$-6M
$-4M
$-6M
$-4M
$982.0K
$-5M
CapEx
$0
$0
$0
$0
$0
$50.0K
$27.0K
$197.0K
Investing Cash Flow
$-5.0K
$4M
$-5M
$-1M
$11M
$6M
$-10M
$-2M
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
Taxes Paid
$0
$0
$1.0K
$0
$1.0K
$0
$0
$0
Free Cash Flow
·
$-3M
·
·
·
$-4M
·
·
Profitability3
Quarterly Profitability data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 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
Quarterly Liquidity & Solvency data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 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
Quarterly Efficiency data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Asset Turnover
0.0
0.0
·
0.0
0.0
0.0
·
·
Per Share2
Quarterly Per Share data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 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)6
Quarterly Valuation (TTM) data for BYSI
Metric
Trend
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Revenue TTM
$0
$0
·
$0
$0
$0
·
·
Net Income TTM
$-6M
$-1M
·
$-1M
$-3M
$-5M
·
·
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
·
·
P / FCF
·
-20.6
·
·
·
-13.6
·
·
Financial Statements
Income statement, balance sheet, cash flow — annual, last 5 years
Income Statement
2025-12-31
2024-12-31
2023-12-31
Revenue
$0
$0
$0
Net Income
$-1M
$-11M
$-21M
Balance Sheet
2025-12-31
2024-12-31
2023-12-31
Current Ratio
1.5
2.6
—
Quick Ratio
0.9
0.3
—
Cash Flow
2025-12-31
2024-12-31
2023-12-31
Free Cash Flow
$-20M
$-17M
—
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Institutional owners (13F)
26 filers · $9.4M total · As of June 30, 2026
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.
Institutional activity — Q2 2026 vs prior quarter
New positions
Exited positions
Increased
Decreased
Net shares change
8
(+6 vs prior Q)
1
(-7 vs prior Q)
3
(-1 vs prior Q)
4
(+2 vs prior Q)
+790K
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.
Insiders from SEC Form 3/4/5 filings; net = open-market P/S only
Activists & 5%+ owners
1 position
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.
ETF ownership
Held by 3 ETFs
Weight reflects direct equity holdings (N-PORT) only; leveraged or derivative-based funds may hold additional swap exposure not shown.