Spero Therapeutics Income Statement

Financials in millions USD. Fiscal year is January - December.

Millions USD. Fiscal year is Jan - Dec.

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Mar '26 Mar 31, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Revenue	61.19	66.8	47.98	103.78	53.51	18.26
Revenue Growth (YoY)	37.24%	39.24%	-53.77%	93.95%	193.10%	95.67%
Gross Profit	61.19	66.8	47.98	103.78	53.51	18.26
Selling, General & Admin	19.24	21.18	23.7	25.55	36.48	41.7
Research & Development	27.77	38.47	96.76	51.44	47.59	64.53
Other Operating Expenses	0.67	0.85	0.88	5.31	11.63	-
Total Operating Expenses	47.68	60.49	121.34	82.3	95.71	106.23
Operating Income	13.51	6.31	-73.36	21.48	-42.2	-87.97
Interest Income	1.98	2.51	4.74	3.94	1.11	0.35
Interest Expense	-	-	-	-	-2.61	-1.94
Other Non-Operating Income (Expense)	0.01	0.01	0.06	-0.01	-2.72	-0.19
Total Non-Operating Income (Expense)	1.99	2.52	4.8	3.92	-4.22	-1.79
Pretax Income	15.5	8.83	-68.57	25.4	-46.42	-89.76
Provision for Income Taxes	-0.26	-0.26	-	-2.6	-	-
Net Income	15.76	9.09	-68.57	28	-46.42	-89.76
Net Income to Common	15.76	9.09	-68.57	28	-46.42	-89.76
Shares Outstanding (Basic)	56	56	54	53	38	31
Shares Outstanding (Diluted)	57	59	54	53	38	31
Shares Change (YoY)	5.03%	9.25%	1.98%	40.98%	21.65%	38.01%
EPS (Basic)	0.27	0.15	-1.27	0.43	-1.23	-2.91
EPS (Diluted)	0.24	0.15	-1.27	0.43	-1.23	-2.91
Shares Outstanding	57.89	56.41	54.59	53	52.46	38.76
Free Cash Flow	7.24	-12.62	-23.44	-33	-7.73	-64.35
Free Cash Flow Per Share	0.13	-0.21	-0.43	-0.62	-0.21	-2.08
Gross Margin	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Operating Margin	22.08%	9.45%	-152.91%	20.70%	-78.86%	-481.87%
Profit Margin	-11.77%	13.61%	-142.91%	26.98%	-86.74%	-491.65%
FCF Margin	11.84%	-18.90%	-48.87%	-31.79%	-14.45%	-352.47%
EBITDA	13.51	6.31	-73.36	21.85	-41.33	-87.33
EBITDA Margin	22.08%	9.45%	-152.91%	21.05%	-77.24%	-478.34%
EBIT	13.51	6.31	-73.36	21.48	-42.2	-87.97
EBIT Margin	22.08%	9.45%	-152.91%	20.70%	-78.86%	-481.87%
Effective Tax Rate	-1.68%	-2.95%	0.00%	-10.23%	0.00%	0.00%

Updated May 13, 2026. Data Source: Fiscal.ai. Standard template. Financial Sources.

SEC Filings: 10-K · 10-Q