Spero Therapeutics, Inc.

SPRO Healthcare Biotechnology

Spero Therapeutics, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $66.8 million, up 39.2% from fiscal 2024. In the quarter to June 2026, revenue fell 95.6%, EPS fell 433.3% and free cash flow grew 69.7%, each against the same quarter a year earlier. Dividend growth for five consecutive years.

1.10 0.03 −2.65%
Market cap
$65.8M
P/E
7.9×
Fwd P/E
4.2×
Dividend yield
—
F-score
5/9
Altman Z
1.04
Beneish M
−1.00
Dividend safety
n/a
Older periods Sep '25 Dec '25 Mar '26 Jun '26
P/E ratio

+8 more quarters

0.00 15.53 8.67 —
P/S ratio
2.61 1.95 2.19 —
P/FCF ratio
0.00 0.00 18.61 —
P/Operating CF
6.07 (15.63) 8.45 —
P/B ratio
3.99 2.21 2.53 —
Price to Tangible BV
3.99 2.21 2.53 —
EV/Sales
1.41 1.35 1.27 —
EV/EBITDA
0.00 14.30 5.77 —
EV/Operating CF
(2.07) (7.15) 10.76 —
EV/FCF
(2.06) (7.13) 10.82 —
Quick Ratio
3.74 7.40 10.23 6.03
Current Ratio
3.83 7.59 10.50 6.12
Net Debt/EBITDA
6.14 (1.28) 7.45 5.12
Debt/Assets
0.00% 0.00% 0.00% 0.00%
Debt/Equity
0.00 0.00 0.00 0.00
Asset Turnover
0.43 0.74 0.90 0.00
Operating CF/Net income
(2.36) (0.26) (2.20) 0.56
Research and Development Expense of Revenue
157.98% 13.54% 1,127.52% 0.00%
Selling, General and Administrative Expense of Revenue
76.70% 10.41% 1,894.19% 0.00%
Intangible Assets out of Total Assets
0.00 0.00 0.00 0.00
Share Based Compensation of Revenue
19.26% 2.44% 431.78% 0.00%
Graham Net Nets
0.23 0.44 0.38 —
Graham Number
0.00 1.89 2.37 —
Earnings Yield
(42.02%) 6.44% 11.54% —
Free Cash Flow Yield
(26.19%) (9.70%) 5.37% —
Revenue per Share
0.10 0.74 0.00 0.00
Operating CF per Share
0.31 (0.15) 0.28 (0.09)
Capex per Share
0.00 0.00 0.00 0.00
Free Cash Flow per Share
0.31 (0.15) 0.28 (0.09)
Cash per Share
0.86 0.72 0.98 0.88
Shareholders Equity per Share
0.47 1.05 0.92 0.76
Interest Debt per Share
0.00 0.00 0.00 0.00
Book value per Share
0.47 1.05 0.92 0.76
Free Cash Flow
17.42 (8.35) 15.86 (5.35)
Working Capital
38.67 58.42 52.12 43.16
Net Current Asset Value
24.65 57.39 51.53 43.02
EV/EBIT
0.00 14.30 5.77 —
Capex to Sales
0.00 0.00 0.00 —
Price to Operating Income
0.00 20.67 9.92 —
Other line items
Average Receivables
27.87 38.93 12.16 13.47
Average Payables
3.74 4.00 0.99 0.47
Average Assets
94.67 89.73 68.37 57.44
Average Common Equity
46.00 52.57 43.37 38.52

Fold the line items

Columns are period end dates