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10-Q

Quarterly Report

Spero Therapeutics, Inc. SPRO

0000950170-25-107388

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Filed
Aug 12, 2025 12:00 AM ET
Period of report
Restated figures. One or more values in this filing restate previously reported amounts.

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding Q2 2025 · Aug 5, 2025 56.28M sh
Shares Diluted Q2 2025 · Jun 30, 2025 56.03M sh
Shares Diluted Q2 2025 · Jun 30, 2025 55.7M sh
Shares Diluted Q2 2025 · Jun 30, 2024 53.96M sh
Shares Diluted Q2 2025 · Jun 30, 2024 53.74M sh
Operating Cash Flow Q2 2025 · Jun 30, 2025 −$21.7M
Operating Cash Flow Q2 2025 · Jun 30, 2024 −$12.81M
Cash And Equivalents Q2 2025 · Jun 30, 2025 $31.19M
Cash And Equivalents Q2 2025 · Dec 31, 2024 $52.89M
Stockholders Equity Q2 2025 · Jun 30, 2025 $32.83M
Stockholders Equity Q2 2025 · Mar 31, 2025 $33.81M
Stockholders Equity Q2 2025 · Dec 31, 2024 $46.12M
Stockholders Equity Q2 2025 · Jun 30, 2024 $80.5M
Stockholders Equity Q2 2025 · Mar 31, 2024 $96.25M
Stockholders Equity Q2 2025 · Dec 31, 2023 $106.89M
Current Liabilities Q2 2025 · Jun 30, 2025 $14.95M
Current Liabilities Q2 2025 · Dec 31, 2024 $49.07M
Total Liabilities Q2 2025 · Jun 30, 2025 $29.29M
Total Liabilities Q2 2025 · Dec 31, 2024 $64.42M
Current Assets Q2 2025 · Jun 30, 2025 $59.4M
Current Assets Q2 2025 · Dec 31, 2024 $107.28M
Total Assets Q2 2025 · Jun 30, 2025 $62.12M
Total Assets Q2 2025 · Dec 31, 2024 $110.54M
Eps Diluted Q2 2025 · Jun 30, 2025 −$0.03
Eps Diluted Q2 2025 · Jun 30, 2025 −$0.28
Eps Diluted Q2 2025 · Jun 30, 2024 −$0.33
Eps Diluted Q2 2025 · Jun 30, 2024 −$0.57
Eps Basic Q2 2025 · Jun 30, 2025 −$0.03
Eps Basic Q2 2025 · Jun 30, 2025 −$0.28
Eps Basic Q2 2025 · Jun 30, 2024 −$0.33
Eps Basic Q2 2025 · Jun 30, 2024 −$0.57
Sga Expense Q2 2025 · Jun 30, 2025 $5.88M
Sga Expense Q2 2025 · Jun 30, 2025 $12.7M
Sga Expense Q2 2025 · Jun 30, 2024 $5.53M
Sga Expense Q2 2025 · Jun 30, 2024 $11.45M
Rd Expense Q2 2025 · Jun 30, 2025 $10.67M
Rd Expense Q2 2025 · Jun 30, 2025 $24.28M
Rd Expense Q2 2025 · Jun 30, 2024 $23.73M
Rd Expense Q2 2025 · Jun 30, 2024 $41.06M
Net Income Q2 2025 · Jun 30, 2025 −$1.7M
Net Income Q2 2025 · Jun 30, 2025 −$15.57M
Net Income restated Q2 2025 · Jun 30, 2024 −$17.86M
Net Income restated Q2 2025 · Jun 30, 2024 −$30.53M
Operating Income Q2 2025 · Jun 30, 2025 −$2.44M
Operating Income Q2 2025 · Jun 30, 2025 −$17.18M
Operating Income Q2 2025 · Jun 30, 2024 −$19.06M
Operating Income Q2 2025 · Jun 30, 2024 −$33.04M
Revenue Q2 2025 · Jun 30, 2025 $0
Revenue Q2 2025 · Jun 30, 2025 $12K
Revenue Q2 2025 · Jun 30, 2024 $114K
Revenue Q2 2025 · Jun 30, 2024 $254K