Protagonist Therapeutics, Inc. (PTGX) Cash Flow Statement

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

Where PTGX’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
$57.7M
−68.7% vs 2024
Capital expenditures
$1.6M
3.5% of revenue
Free cash flow
$56.1M
121.9% margin
Returned to shareholders
—
Change in cash
$31.1M
cash at year-end $128.4M
Cash from operations: $57.7MCash from operations$57.7MOther financing: $22.9MOther financing$22.9MInvestments (net): $47.7MInvestments (net)$47.7M · 59%Added to cash: $31.1MAdded to cash$31.1M · 39%Capital expenditures: $1.6MCapital expenditures$1.6M · 2%$80.5M
Cash from operations
$57.7M
Capital expenditures
−$1.6M
Investments (net)
−$47.7M
Other financing
+$22.9M
Change in cash
$31.1M

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

PTGX operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

PTGX cash flow trends, 2016–2025

Protagonist Therapeutics, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$30.0M2016$57.7M2025—
Capital expenditures$379,0002016$1.6M2025+17.3%/yr
Free cash flow−$30.4M2016$56.1M2025—
Free cash flow margin16.0%2017121.9%2025+105.9 pts
Stock-based compensation$2.1M2016$46.0M2025+40.7%/yr
Dividends paid$02016$02017—
Share buybacks (net)$02016$769,0002023—
Capex / revenue3.3%20173.5%2025+0.1 pts

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

PTGX cash flow by activity

OperatingInvestingFinancingChange in cash

PTGX 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).

PTGX cash flow statement

Protagonist Therapeutics, Inc. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$130.1M$275.2M−$79.0M−$127.4M−$125.6M−$66.2M−$77.2M−$38.9M−$37.0M−$37.2M
Depreciation & amortization$1.3M$3.0M$3.3M$3.4M$2.8M$2.7M$2.5M$527,000$406,000$317,000
Stock-based compensation$46.0M$37.6M$29.3M$24.2M$16.4M$7.9M$8.4M$6.9M$4.2M$2.1M
Change in working capital$146.2M−$122.6M−$19.5M−$7.8M−$3.3M−$19.0M$26.1M−$18.0M$35.6M−$112,000
Other non-cash items−$5.6M−$8.9M−$4.4M−$549,000$1.8M$2.1M−$1.4M−$452,000$625,000$4.9M
Cash from operating activities$57.7M$184.2M−$70.2M−$108.1M−$107.9M−$72.5M−$41.5M−$49.9M$3.9M−$30.0M
Investing activities
Capital expenditures−$1.6M−$1.4M−$609,000−$795,000−$1.1M−$471,000−$967,000−$486,000−$666,000−$379,000
Investments (net)−$47.7M−$299.5M$26.0M$92.3M−$14.8M−$90.5M−$52.7M$2.7M$15.8M−$59.3M
Acquisitions & other investing$0$1.4M−$64.6M$0$0$0$0$0$666,000$379,000
Cash from investing activities−$49.3M−$299.5M−$39.3M$91.5M−$15.9M−$91.0M−$53.7M$2.2M$15.8M−$59.3M
Financing activities
Dividends paid————————$0$0
Share repurchases & issuance (net)——−$769,000−$188,000−$189,000$216.1M$36.3M$2.4M$65.6M$106.3M
Net borrowing (repayment)———$14.6M$0$31.5M$9.8M$9.8M$9.8M$9.8M
Shares issued$0$0$132.1M$14.6M$123.8M$255.4M$34.5M$23.2M$0$0
Other financing$22.9M$25.9M$39.2M−$10.1M$6.3M−$255.4M−$34.5M−$11.3M−$9.8M−$9.8M
Cash from financing activities$22.9M$25.9M$170.5M$18.8M$129.9M$247.6M$46.0M$24.1M$65.6M$106.3M
Summary
Net change in cash$31.1M−$89.5M$61.0M$2.1M$6.1M$84.4M−$49.2M−$23.8M$85.4M$17.0M
Cash at end of period$128.4M$97.5M$187.0M$126.0M$123.9M$117.8M$33.5M$82.7M$106.5M$21.1M
Free cash flow$56.1M$182.8M−$70.8M−$108.9M−$109.0M−$73.0M−$42.5M−$50.4M$3.2M−$30.4M
Free cash flow margin121.9%42.1%−118.1%−409.8%−398.3%−254.8%−18,395.7%−163.1%16.0%—
Capex / revenue3.5%0.3%1.0%3.0%4.0%1.6%418.6%1.6%3.3%—
Operating cash flow / net income—0.67————————

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.

PTGX cash generation

In fiscal 2025 (ended December 31, 2025), Protagonist Therapeutics generated $57.7 million of cash from operations (down 68.7%) and spent $1.6 million on capital expenditures, leaving free cash flow of $56.1 million, 121.9% of revenue. Cash and equivalents rose by $31.1 million over the year.

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

PTGX cash flow FAQ

What is Protagonist Therapeutics's free cash flow?

Protagonist Therapeutics's free cash flow was $56.1 million in fiscal 2025: $57.7 million of operating cash flow minus $1.6 million of capital expenditures It was $182.8 million a year earlier..

How much cash does Protagonist Therapeutics generate from operations?

Protagonist Therapeutics generated $57.7 million of cash from operating activities in fiscal 2025.

How much does Protagonist Therapeutics spend on capital expenditures?

Protagonist Therapeutics spent $1.6 million on capital expenditures in fiscal 2025, 3.5% of revenue, compared with $1.4 million the year before.

Biotechnology: cash flow