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Zacks Company Profile for LeonaBio, Inc. (LONA : NSDQ)

• Company Description    LeonaBio Inc. is a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, including treatment-resistant metastatic breast cancer and amyotrophic lateral sclerosis. Its lead drug candidates include lasofoxifene and ATH-1105. LeonaBio Inc., formerly known as Athira Pharma Inc., is headquartered in the Seattle, Washington. Number of Employees: 19

• Price / Volume Information    Yesterday's Closing Price: $11.35 Daily Weekly Monthly 20 Day Moving Average: 93,545 shares Shares Outstanding: 3.94 (millions) Market Capitalization: $44.76 (millions) Beta: 2.22 52 Week High: $14.21 52 Week Low: $2.20 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week 114.15% 119.27% 12 Week 68.15% 77.95% Year To Date 49.93% 55.92%

• Address & Contact Information Street Address Phone / Fax Email Address Web URL 18706 North Creek Parkway Suite 104 - Bothell,WA 98011 USA ph: 425-620-8501 fax: - ir@leonabio.com https://leonabio.com

• General Corporate Information    Officers Mark Litton - President; Chief Executive Officer and Director Kelly A. Romano - Chairwoman of the Board of Directors Robert Renninger - Chief Financial Officer Joseph Edelman - Director James A. Johnson - Director Peer Information - (-) - (-) - (-) - (-) - (-) - (-) Industry / Sector / Ticker Info Analyst Coverage: No Industry Group: MED-BIOMED/GENE Sector: Medical CUSIP: 04746L203 SIC: 2836 Fiscal Year Fiscal Year End: December Last Reported Quarter: 09/01/25 Next Expected EPS Date: 05/08/26 Share - Related Items Shares Outstanding: 3.94 Most Recent Split Date: 9.00 (0.10:1) Beta: 2.22 Market Capitalization: $44.76 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 0.00% Current Fiscal Quarter EPS Consensus Estimate: $ Indicated Annual Dividend: $0.00 Current Fiscal Year EPS Consensus Estimate: $-2.89 Payout Ratio: Number of Estimates in the Fiscal Year Consensus: 2.00 Change In Payout Ratio: Estmated Long-Term EPS Growth Rate: % Last Dividend Paid: NA - $0.00 Next EPS Report Date: 05/08/26

• Fundamental Ratios P/E Current FY Estimate: - Trailing 12 Months: - PEG Ratio: - Price Ratios Price/Book: 1.61 Price/Cash Flow: - Price / Sales: - EPS Growth vs. Year Ago Period: 77.60% vs. Previous Quarter: 6.67% Sales Growth vs. Year Ago Period: -% vs. Previous Quarter: -% ROE 03/31/26 - - 12/31/25 - -340.97 09/30/25 - -107.06 ROA 03/31/26 - - 12/31/25 - -209.91 09/30/25 - -89.89 Current Ratio 03/31/26 - - 12/31/25 - 1.88 09/30/25 - 9.70 Quick Ratio 03/31/26 - - 12/31/25 - 1.88 09/30/25 - 9.70 Operating Margin 03/31/26 - - 12/31/25 - - 09/30/25 - - Net Margin 03/31/26 - - 12/31/25 - - 09/30/25 - - Pre-Tax Margin 03/31/26 - - 12/31/25 - - 09/30/25 - - Book Value 03/31/26 - - 12/31/25 - 7.05 09/30/25 - 6.79 Inventory Turnover 03/31/26 - - 12/31/25 - - 09/30/25 - - Debt-to-Equity 03/31/26 - - 12/31/25 - 0.00 09/30/25 - 0.00 Debt-to-Capital 03/31/26 - - 12/31/25 - 0.00 09/30/25 - 0.00

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