Rein Therapeutics Inc (RNTX) Cash Flow Statement

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

Where RNTX’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
−$19.4M
Capital expenditures
$0
Free cash flow
−$19.4M
Returned to shareholders
—
Change in cash
−$9.7M
cash at year-end $3.2M
Shares issued: $3.4MShares issued$3.4MOther financing: $6.3MOther financing$6.3MDrawn from cash: $9.7MDrawn from cash$9.7MCash used in operations: $19.4MCash used in operations$19.4M · 100%$19.4M
Cash from operations
−$19.4M
Shares issued
+$3.4M
Other financing
+$6.3M
Change in cash
−$9.7M

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

RNTX operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

RNTX cash flow trends, 2016–2025

Rein Therapeutics Inc cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$15.0M2016−$19.4M2025—
Capital expenditures$02016$02025—
Free cash flow−$15.0M2016−$19.4M2025—
Stock-based compensation$688,0002016$2.2M2025+13.9%/yr

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

RNTX cash flow by activity

OperatingInvestingFinancingChange in cash

RNTX 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).

RNTX cash flow statement

Rein Therapeutics Inc annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$49.9M−$62.9M−$15.7M−$27.3M−$26.2M−$21.2M−$29.4M−$31.5M−$22.6M−$18.1M
Depreciation & amortization$1,000$63,000$119,000$169,000$121,000$163,000$155,000$218,000$129,000$232,000
Stock-based compensation$2.2M$1.1M$1.2M$2.1M$2.3M$1.9M$2.1M$3.3M$1.7M$688,000
Change in working capital−$865,000$2.4M−$5.4M$420,000$242,000−$1.3M$850,000$376,000$347,000$695,000
Other non-cash items$29.1M$37.0M−$4,000−$208,000−$213,000−$95,000−$226,000−$253,000−$152,000$1.5M
Cash from operating activities−$19.4M−$22.3M−$19.8M−$24.9M−$23.8M−$20.5M−$26.5M−$27.9M−$20.5M−$15.0M
Investing activities
Capital expenditures$0$0$0$0−$157,000−$5,000−$151,000−$4.4M−$142,000$0
Investments (net)—$0$16.2M$26.5M−$35.9M$6.4M————
Acquisitions & other investing——$0$0$157,000$5,000−$2.7M$29.1M−$38.8M−$25,000
Cash from investing activities——$16.2M$26.5M−$35.9M$6.4M−$2.8M$24.7M−$38.9M−$25,000
Financing activities
Net borrowing (repayment)————$0—————
Shares issued$3.4M$10.6M$0$0$55.6M$15.4M$0$0$0$0
Other financing$6.3M$7.2M$15.8M$0$74,000$387,000$24.0M$2.5M$50.6M$32.0M
Cash from financing activities$9.8M$17.8M$15.8M$0$55.7M$15.8M$24.0M$2.5M$50.6M$32.0M
Summary
Net change in cash−$9.7M−$4.5M$12.1M$1.6M−$4.0M$1.7M−$5.3M−$723,000−$8.9M$16.9M
Cash at end of period$3.2M$12.9M$17.3M$5.2M$3.6M$7.6M$5.9M$11.2M$12.0M$20.7M
Free cash flow−$19.4M−$22.3M−$19.8M−$24.9M−$23.9M−$20.5M−$26.6M−$32.3M−$20.7M−$15.0M

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.

RNTX cash generation

In fiscal 2025 (ended December 31, 2025), Rein Therapeutics generated -$19.4 million of cash from operations and spent $0 on capital expenditures, leaving free cash flow of -$19.4 million. Cash and equivalents fell by $9.7 million over the year.

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

RNTX cash flow FAQ

What is Rein Therapeutics's free cash flow?

Rein Therapeutics's free cash flow was -$19.4 million in fiscal 2025: -$19.4 million of operating cash flow minus $0 of capital expenditures It was -$22.3 million a year earlier..

How much cash does Rein Therapeutics generate from operations?

Rein Therapeutics generated -$19.4 million of cash from operating activities in fiscal 2025.

Biotechnology: cash flow