Birchtech Corp. (BCHT) Cash Flow Statement

NYSE American: BCHTOperating cash, capex, free cash flow and buybacks.

Where BCHT’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
−$700,110
Capital expenditures
$29,300
0.2% of revenue
Free cash flow
−$729,410
−4.1% margin
Returned to shareholders
—
Change in cash
−$1.2M
cash at year-end $2.2M
Drawn from cash: $1.2MDrawn from cash$1.2MCash used in operations: $700,110Cash used in operations$700,110 · 58%Other financing: $481,250Other financing$481,250 · 40%Capital expenditures: $29,300Capital expenditures$29,300 · 2%$1.2M
Cash from operations
−$700,110
Capital expenditures
−$29,300
Other financing
−$481,250
Change in cash
−$1.2M

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

BCHT operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

BCHT cash flow trends, 2016–2025

Birchtech Corp. cash flow trends
MetricTrendThenLatestChange
Operating cash flow$3.2M2016−$700,1102025—
Capital expenditures$1.7M2016$29,3002025−36.3%/yr
Free cash flow$1.5M2016−$729,4102025—
Free cash flow margin4.8%2016−4.1%2025−8.9 pts
Stock-based compensation$1.2M2016$119,2382025−22.3%/yr
Capex / revenue5.2%20160.2%2025−5.0 pts

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

BCHT cash flow by activity

OperatingInvestingFinancingChange in cash

BCHT 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).

BCHT cash flow statement

Birchtech Corp. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$3.0M−$10.8M$5.7M−$1.6M−$3.6M−$5.8M−$6.1M−$4.8M−$2.9M−$15.6M
Depreciation & amortization$388,297$248,084$259,385$554,814$678,830$2.8M$2.8M$1.6M$2.3M$3.2M
Stock-based compensation$119,238$1.1M$520,449$671,680$967,967$1.7M$1.8M$490,520$1.5M$1.2M
Change in working capital$1.8M$1.2M$91,635−$1.9M−$510,370$191,090−$418,158$1.6M−$1.9M$307,730
Other non-cash items$11,068$4.2M$12.7M$2.3M$2.7M−$124,197$344,902$50,339$561,100$14.2M
Cash from operating activities−$700,110−$4.1M$19.2M$70,989$205,980−$1.2M−$1.6M−$1.1M−$471,664$3.2M
Investing activities
Capital expenditures−$29,300−$809,432−$3−$10,727−$10,975−$5$0−$131,915−$806,460−$1.7M
Investments (net)—−$809,432$0−$10,727−$10,975$42,500————
Acquisitions & other investing$4$809,432—$10,727$10,975$5$30,000$0−$2.5M$0
Cash from investing activities−$29,296−$809,432—−$10,727−$10,975$42,500$30,000−$131,915−$3.3M−$1.7M
Financing activities
Net borrowing (repayment)$0−$12.6M$0−$2,677$229,225—————
Shares issued$0$0$0$0$0$0$0$0$0$0
Other financing−$481,250$17,500$209,500$58,333$373,058$288,315$2.5M−$636,177−$1.6M$5.1M
Cash from financing activities−$481,250−$12.6M$209,500$55,656$602,283$288,315$2.5M−$636,177−$1.6M$5.1M
Summary
Net change in cash−$1.2M−$17.5M$19.4M$115,918$797,288−$908,268$914,410−$1.8M−$5.3M$6.7M
Cash at end of period$2.2M$3.5M$20.9M$1.5M$1.4M$591,019$1.5M$584,877$2.4M$7.8M
Free cash flow−$729,410−$4.9M$19.2M$60,262$195,005−$1.2M−$1.6M−$1.2M−$1.3M$1.5M
Free cash flow margin−4.1%−28.2%109.1%0.3%1.5%−15.2%−13.8%−9.7%−4.6%4.8%
Capex / revenue0.2%4.7%0.0%0.0%0.1%0.0%0.0%1.1%2.9%5.2%
Operating cash flow / net income——3.39———————

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.

BCHT cash generation

In fiscal 2025 (ended December 31, 2025), Birchtech generated -$0.7 million of cash from operations and spent $0.0 million on capital expenditures, leaving free cash flow of -$0.7 million, −4.1% of revenue. Cash and equivalents fell by $1.2 million over the year.

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

BCHT cash flow FAQ

What is Birchtech's free cash flow?

Birchtech's free cash flow was -$0.7 million in fiscal 2025: -$0.7 million of operating cash flow minus $0.0 million of capital expenditures It was -$4.9 million a year earlier..

How much cash does Birchtech generate from operations?

Birchtech generated -$0.7 million of cash from operating activities in fiscal 2025.

How much does Birchtech spend on capital expenditures?

Birchtech spent $0.0 million on capital expenditures in fiscal 2025, 0.2% of revenue, compared with $0.8 million the year before.

Pollution & Treatment Controls: cash flow