Eton Pharmaceuticals, Inc. (ETON) Cash Flow Statement

NASDAQ: ETONOperating cash, capex, free cash flow and buybacks.

Where ETON’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
$10.5M
+986.1% vs 2024
Capital expenditures
$333,000
0.4% of revenue
Free cash flow
$10.2M
12.7% margin
Returned to shareholders
—
Change in cash
$11.0M
cash at year-end $25.9M
Cash from operations: $10.5MCash from operations$10.5MOther financing: $815,000Other financing$815,000Added to cash: $11.0MAdded to cash$11.0M · 97%Capital expenditures: $333,000Capital expenditures$333,000 · 3%$11.3M
Cash from operations
$10.5M
Capital expenditures
−$333,000
Other financing
+$815,000
Change in cash
$11.0M

Drawn to scale: where the cash came from and how it was used. Hover for values.

ETON operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

ETON cash flow trends, 2017–2025

Eton Pharmaceuticals, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$4.7M2017$10.5M2025—
Capital expenditures$130,0002017$333,0002025+12.5%/yr
Free cash flow−$4.8M2017$10.2M2025—
Free cash flow margin−2,072.2%201912.7%2025+2,084.9 pts
Stock-based compensation$2.6M2017$5.5M2025+9.6%/yr
Dividends paid$02017$1.0M2018—
Share buybacks (net)$02017$02022—
Capex / revenue192.5%20190.4%2025−192.1 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

ETON cash flow by activity

OperatingInvestingFinancingChange in cash

ETON net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

ETON cash flow statement

Eton Pharmaceuticals, Inc. annual cash flow statement
202520242023202220212020201920182017
Operating activities
Net income−$4.6M−$3.8M−$936,000−$9.0M−$2.0M−$28.0M−$18.3M−$12.7M−$7.2M
Depreciation & amortization$4.0M$1.1M$901,000$1.8M$462,000$651,000$447,000$63,000$13,000
Stock-based compensation$5.5M$3.2M$3.1M$4.2M$3.4M$2.6M$1.9M$1.9M$2.6M
Change in working capital−$859,000−$698,000$3.5M$7.7M−$6.2M$1.0M−$2.1M$99,000$623,000
Other non-cash items$6.4M$1.2M$184,000$189,000−$398,000$1.4M$16,000$2.6M−$839,500
Cash from operating activities$10.5M$969,000$6.8M$4.8M−$4.7M−$22.3M−$18.0M−$8.1M−$4.7M
Investing activities
Capital expenditures−$333,000−$26,000−$775,000−$2.8M−$3.3M−$50,000−$1.8M−$236,000−$130,000
Investments (net)—−$40.0M−$775,000−$2.8M−$2.6M−$50,000−$1.8M−$236,000$0
Acquisitions & other investing$0$26,000$775,000$2.8M$3.3M$50,000$1.8M$236,000$0
Cash from investing activities−$333,000−$40.0M−$775,000−$2.8M−$2.6M−$50,000−$1.8M−$236,000−$130,000
Financing activities
Dividends paid———————−$1.0M$0
Share repurchases & issuance (net)———$251,000—$29.1M$453,000$22.0M$18.0M
Net borrowing (repayment)$0$24.2M−$1.2M−$385,000−$150,000$2.5M$4.8M$4.8M$4.8M
Shares issued$0$7.0M$0$0$21.0M$28.8M$7.5M$22.8M$0
Other financing$815,000$1.4M$198,000$0−$20.5M−$28.8M−$7.5M−$26.5M−$4.8M
Cash from financing activities$815,000$32.6M−$957,000−$134,000$391,000$31.6M$5.2M$22.0M$18.0M
Summary
Net change in cash$11.0M−$6.5M$5.1M$1.9M−$6.9M$9.2M−$14.7M$13.6M$13.2M
Cash at end of period$25.9M$14.9M$21.4M$16.3M$14.4M$21.3M$12.1M$26.7M$13.2M
Free cash flow$10.2M$943,000$6.0M$2.0M−$8.0M−$22.4M−$19.9M−$8.4M−$4.8M
Free cash flow margin12.7%2.4%19.1%9.6%−36.6%−57,425.6%−2,072.2%——
Capex / revenue0.4%0.1%2.4%13.1%14.9%128.2%192.5%——

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

ETON cash generation

In fiscal 2025 (ended December 31, 2025), Eton Pharmaceuticals generated $10.5 million of cash from operations (up 986.1%) and spent $0.3 million on capital expenditures, leaving free cash flow of $10.2 million, 12.7% of revenue. Cash and equivalents rose by $11.0 million over the year.

Related: ETON income statement, ETON balance sheet. See the ETON stock overview for the latest quote and news.

ETON cash flow FAQ

What is Eton Pharmaceuticals's free cash flow?

Eton Pharmaceuticals's free cash flow was $10.2 million in fiscal 2025: $10.5 million of operating cash flow minus $0.3 million of capital expenditures It was $0.9 million a year earlier..

How much cash does Eton Pharmaceuticals generate from operations?

Eton Pharmaceuticals generated $10.5 million of cash from operating activities in fiscal 2025.

How much does Eton Pharmaceuticals spend on capital expenditures?

Eton Pharmaceuticals spent $0.3 million on capital expenditures in fiscal 2025, 0.4% of revenue, compared with $0.0 million the year before.

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