Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
1.220
+0.010 (0.83%)
At close: Aug 21, 2026, 4:00 PM EDT
1.230
+0.010 (0.82%)
After-hours: Aug 21, 2026, 7:39 PM EDT

Spero Therapeutics Statistics

Total Valuation

SPRO has a market cap or net worth of $71.05 million. The enterprise value is $22.32 million.

Market Cap71.05M
Enterprise Value 22.32M

Important Dates

The last earnings date was Wednesday, August 12, 2026, after market close.

Earnings Date Aug 12, 2026
Ex-Dividend Date n/a

Share Statistics

SPRO has 58.23 million shares outstanding. The number of shares has increased by 9.06% in one year.

Current Share Class 58.23M
Shares Outstanding 58.23M
Shares Change (YoY) +9.06%
Shares Change (QoQ) +1.20%
Owned by Insiders (%) 4.00%
Owned by Institutions (%) 21.07%
Float 46.72M

Valuation Ratios

The trailing PE ratio is 9.55.

PE Ratio 9.55
Forward PE n/a
PS Ratio 1.51
Forward PS n/a
PB Ratio 1.60
P/TBV Ratio 1.61
P/FCF Ratio 3.63
P/OCF Ratio 3.63
PEG Ratio n/a
Financial Ratio History

Enterprise Valuation

EV / Earnings 3.02
EV / Sales 0.47
EV / EBITDA n/a
EV / EBIT 3.38
EV / FCF 1.14

Financial Position

The company has a current ratio of 6.12, with a Debt / Equity ratio of 0.05.

Current Ratio 6.12
Quick Ratio 6.03
Debt / Equity 0.05
Debt / EBITDA 0.25
Debt / FCF 0.10
Interest Coverage n/a

Financial Efficiency

Return on equity (ROE) is 19.17% and return on invested capital (ROIC) is 72.44%.

Return on Equity (ROE) 19.17%
Return on Assets (ROA) 7.19%
Return on Invested Capital (ROIC) 72.44%
Return on Capital Employed (ROCE) 14.91%
Weighted Average Cost of Capital (WACC) 12.06%
Revenue Per Employee $1.88M
Profits Per Employee $295,320
Employee Count25
Asset Turnover 0.82
Inventory Turnover n/a

Taxes

In the past 12 months, SPRO has paid $261,000 in taxes.

Income Tax 261,000
Effective Tax Rate 3.41%

Stock Price Statistics

The stock price has decreased by -33.33% in the last 52 weeks. The beta is 1.48, so SPRO's price volatility has been higher than the market average.

Beta (5Y) 1.48
52-Week Price Change -33.33%
50-Day Moving Average 1.71
200-Day Moving Average 2.28
Relative Strength Index (RSI) 35.31
Average Volume (20 Days) 756,212

Short Selling Information

The latest short interest is 1.51 million, so 2.60% of the outstanding shares have been sold short.

Short Interest 1.51M
Short Previous Month 2.11M
Short % of Shares Out 2.60%
Short % of Float 3.24%
Short Ratio (days to cover) 0.73

Income Statement

In the last 12 months, SPRO had revenue of $47.00 million and earned $7.38 million in profits. Earnings per share was $0.13.

Revenue47.00M
Gross Profit 26.47M
Operating Income 6.61M
Pretax Income 7.64M
Net Income 7.38M
EBITDA n/a
EBIT 6.61M
Earnings Per Share (EPS) $0.13
Full Income Statement

Balance Sheet

The company has $50.77 million in cash and $2.04 million in debt, with a net cash position of $48.73 million or $0.84 per share.

Cash & Cash Equivalents 50.77M
Total Debt 2.04M
Net Cash 48.73M
Net Cash Per Share $0.84
Equity (Book Value) 44.20M
Book Value Per Share 0.76
Working Capital 43.16M
Full Balance Sheet

Cash Flow

Operating Cash Flow 19.58M
Capital Expenditures n/a
Depreciation & Amortization n/a
Net Borrowing n/a
Free Cash Flow 19.58M
FCF Per Share $0.34
Full Cash Flow Statement

Margins

Gross margin is 56.31%, with operating and profit margins of 14.07% and 15.71%.

Gross Margin 56.31%
Operating Margin 14.07%
Pretax Margin 16.26%
Profit Margin 15.71%
EBITDA Margin n/a
EBIT Margin 14.07%
FCF Margin 41.66%

Dividends & Yields

SPRO does not appear to pay any dividends at this time.

Dividend Per Share n/a
Dividend Yield n/a
Dividend Growth (YoY) n/a
Years of Dividend Growth n/a
Payout Ratio n/a
Buyback Yield -9.06%
Shareholder Yield -9.06%
Earnings Yield 10.39%
FCF Yield 27.56%

Analyst Forecast

Price Target n/a
Price Target Difference n/a
Analyst Consensus n/a
Analyst Count n/a
Revenue Growth Forecast (3Y) -20.87%
EPS Growth Forecast (3Y) n/a

Fair Value

There are several formulas that can be used to estimate the intrinsic value of a stock.

Lynch Fair Value n/a
Lynch Upside n/a
Graham Number
Graham Upside

Stock Splits

This stock does not have any record of stock splits.

Last Split Date n/a
Split Type n/a
Split Ratio n/a

Scores

SPRO has an Altman Z-Score of -0.68 and a Piotroski F-Score of 7. A Z-score under 3 suggests an increased risk of bankruptcy.

Altman Z-Score -0.68
Piotroski F-Score 7