Acumen Pharmaceuticals, Inc. (ABOS) Cash Flow Statement

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

Where ABOS’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
−$115.5M
Capital expenditures
$88,000
Free cash flow
−$115.6M
Returned to shareholders
$73,000
Change in cash
$18.4M
cash at year-end $54.2M
Investments (net): $134.0MInvestments (net)$134.0MCash used in operations: $115.5MCash used in operations$115.5M · 86%Added to cash: $18.4MAdded to cash$18.4M · 14%Capital expenditures: $88,000Capital expenditures$88,000 · 0%$134.0M
Cash from operations
−$115.5M
Investments (net)
+$134.0M
Change in cash
$18.4M

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

ABOS operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

ABOS cash flow trends, 2019–2025

Acumen Pharmaceuticals, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$6.8M2019−$115.5M2025—
Capital expenditures$40,0002019$88,0002025+14.0%/yr
Free cash flow−$6.8M2019−$115.6M2025—
Free cash flow margin−401.8%2019−1,253.6%2021−851.8 pts
Stock-based compensation$174,0002019$9.9M2025+96.0%/yr
Dividends paid$02023$02024—
Share buybacks (net)$02021$73,0002025—
Capex / revenue2.4%20192.8%2021+0.4 pts

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

ABOS cash flow by activity

OperatingInvestingFinancingChange in cash

ABOS 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).

ABOS cash flow statement

Acumen Pharmaceuticals, Inc. annual cash flow statement
2025202420232022202120202019
Operating activities
Net income−$121.3M−$102.3M−$52.4M−$42.9M−$100.6M−$7.3M−$7.9M
Depreciation & amortization$184,000$178,000$184,000$169,000$4,000$4,000$4,000
Stock-based compensation$9.9M$9.6M$6.1M$3.1M$922,000$154,000$174,000
Change in working capital−$5.1M$11.7M$3.9M$4.0M$298,000$307,000$768,000
Other non-cash items$880,000−$5.4M−$888,000$487,000$81.4M−$590,000$143,000
Cash from operating activities−$115.5M−$86.2M−$43.1M−$35.2M−$18.0M−$7.5M−$6.8M
Investing activities
Capital expenditures−$88,000−$16,000−$21,000−$161,000−$40,000−$40,000−$40,000
Investments (net)$134.0M$48.0M−$143.3M$39.3M−$104.1M−$104.1M−$104.1M
Acquisitions & other investing$0$16,000−$28.4M$0$0$0$0
Cash from investing activities$133.9M$48.0M−$171.7M$39.2M−$104.1M−$104.1M−$104.1M
Financing activities
Dividends paid—$0$0————
Share repurchases & issuance (net)−$73,000−$41,000$0$3.9M$170.4M——
Net borrowing (repayment)$0−$739,000$30.0M$0———
Shares issued$0$7.9M$126.1M$3.8M$198.6M$44.7M$6.2M
Other financing$39,000−$230,000−$4.3M−$3.8M−$168.6M$0$7,000
Cash from financing activities−$34,000$6.9M$151.8M$3.9M$200.5M$44.7M$6.2M
Summary
Net change in cash$18.4M−$31.3M−$63.0M$7.9M$78.4M$37.2M−$579,000
Cash at end of period$54.2M$35.9M$67.1M$130.1M$122.2M$43.8M$6.6M
Free cash flow−$115.6M−$86.2M−$43.1M−$35.3M−$18.0M−$7.5M−$6.8M
Free cash flow margin————−1,253.6%−518.8%−401.8%
Capex / revenue————2.8%2.8%2.4%

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.

ABOS cash generation

In fiscal 2025 (ended December 31, 2025), Acumen Pharmaceuticals generated -$115.5 million of cash from operations and spent $0.1 million on capital expenditures, leaving free cash flow of -$115.6 million. It returned $0.1 million to shareholders through dividends ($0) and net share buybacks ($0.1 million). Cash and equivalents rose by $18.4 million over the year.

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

ABOS cash flow FAQ

What is Acumen Pharmaceuticals's free cash flow?

Acumen Pharmaceuticals's free cash flow was -$115.6 million in fiscal 2025: -$115.5 million of operating cash flow minus $0.1 million of capital expenditures It was -$86.2 million a year earlier..

How much cash does Acumen Pharmaceuticals generate from operations?

Acumen Pharmaceuticals generated -$115.5 million of cash from operating activities in fiscal 2025.

How much does Acumen Pharmaceuticals spend on capital expenditures?

Acumen Pharmaceuticals spent $0.1 million on capital expenditures in fiscal 2025, compared with $0.0 million the year before.

How much stock does Acumen Pharmaceuticals buy back?

Acumen Pharmaceuticals spent $0.1 million on net share repurchases in fiscal 2025.

Biotechnology: cash flow