Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
2.110
-0.660 (-23.83%)
At close: Jun 17, 2026, 4:00 PM EDT
2.330
+0.220 (10.43%)
After-hours: Jun 17, 2026, 7:58 PM EDT

Spero Therapeutics Statistics

Total Valuation

SPRO has a market cap or net worth of $122.17 million. The enterprise value is $68.52 million.

Market Cap122.17M
Enterprise Value 68.52M

Important Dates

The last earnings date was Wednesday, May 13, 2026, after market close.

Earnings Date May 13, 2026
Ex-Dividend Date n/a

Share Statistics

SPRO has 57.90 million shares outstanding. The number of shares has increased by 9.20% in one year.

Current Share Class 57.90M
Shares Outstanding 57.90M
Shares Change (YoY) +9.20%
Shares Change (QoQ) -3.51%
Owned by Insiders (%) 3.78%
Owned by Institutions (%) 19.79%
Float 46.52M

Valuation Ratios

The trailing PE ratio is 8.09 and the forward PE ratio is 3.15.

PE Ratio 8.09
Forward PE 3.15
PS Ratio 2.00
Forward PS n/a
PB Ratio 2.31
P/TBV Ratio 2.31
P/FCF Ratio 16.87
P/OCF Ratio 16.87
PEG Ratio n/a
Financial Ratio History

Enterprise Valuation

EV / Earnings 4.50
EV / Sales 1.12
EV / EBITDA n/a
EV / EBIT 4.83
EV / FCF 9.46

Financial Position

The company has a current ratio of 10.50, with a Debt / Equity ratio of 0.05.

Current Ratio 10.50
Quick Ratio 10.23
Debt / Equity 0.05
Debt / EBITDA 0.16
Debt / FCF 0.34
Interest Coverage n/a

Financial Efficiency

Return on equity (ROE) is 35.12% and return on invested capital (ROIC) is 133.19%.

Return on Equity (ROE) 35.12%
Return on Assets (ROA) 12.96%
Return on Invested Capital (ROIC) 133.19%
Return on Capital Employed (ROCE) 26.48%
Weighted Average Cost of Capital (WACC) 12.01%
Revenue Per Employee $2.45M
Profits Per Employee $609,400
Employee Count25
Asset Turnover 0.89
Inventory Turnover n/a

Taxes

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

Income Tax 261,000
Effective Tax Rate 1.68%

Stock Price Statistics

The stock price has decreased by -25.96% in the last 52 weeks. The beta is 1.46, so SPRO's price volatility has been higher than the market average.

Beta (5Y) 1.46
52-Week Price Change -25.96%
50-Day Moving Average 2.69
200-Day Moving Average 2.40
Relative Strength Index (RSI) 32.92
Average Volume (20 Days) 1,399,249

Short Selling Information

The latest short interest is 1.71 million, so 2.95% of the outstanding shares have been sold short.

Short Interest 1.71M
Short Previous Month 1.65M
Short % of Shares Out 2.95%
Short % of Float 3.67%
Short Ratio (days to cover) 2.32

Income Statement

In the last 12 months, SPRO had revenue of $61.19 million and earned $15.24 million in profits. Earnings per share was $0.26.

Revenue61.19M
Gross Profit 33.42M
Operating Income 14.18M
Pretax Income 15.50M
Net Income 15.24M
EBITDA n/a
EBIT 14.18M
Earnings Per Share (EPS) $0.26
Full Income Statement

Balance Sheet

The company has $56.13 million in cash and $2.47 million in debt, with a net cash position of $53.66 million or $0.93 per share.

Cash & Cash Equivalents 56.13M
Total Debt 2.47M
Net Cash 53.66M
Net Cash Per Share $0.93
Equity (Book Value) 52.93M
Book Value Per Share 0.91
Working Capital 52.12M
Full Balance Sheet

Cash Flow

Operating Cash Flow 7.24M
Capital Expenditures n/a
Depreciation & Amortization n/a
Net Borrowing n/a
Free Cash Flow 7.24M
FCF Per Share $0.13
Full Cash Flow Statement

Margins

Gross margin is 54.61%, with operating and profit margins of 23.17% and 24.90%.

Gross Margin 54.61%
Operating Margin 23.17%
Pretax Margin 25.33%
Profit Margin 24.90%
EBITDA Margin n/a
EBIT Margin 23.17%
FCF Margin 11.84%

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 -9.20%
Shareholder Yield n/a
Earnings Yield 12.47%
FCF Yield 5.93%

Analyst Forecast

The average price target for SPRO is $4.00, which is 89.57% higher than the current price. The consensus rating is "Hold".

Price Target $4.00
Price Target Difference 89.57%
Analyst Consensus Hold
Analyst Count 1
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 3.57 and a Piotroski F-Score of 6.

Altman Z-Score 3.57
Piotroski F-Score 6