CleanSpark, Inc. cash flow statement CLSK

In fiscal 2025, which ended Sep 30, 2025, CleanSpark, Inc. used $461.0 million of cash from operations, down 97.3% from the year before. It spent $144.7 million on capital expenditures. Free cash flow was negative, at -$605.7 million. The company returned $145.0 million in share buybacks to shareholders.

USD in millions, except per-share amounts and ratios. The percent under a figure is the change from the year before.

Line
FY 2026
Jun 30, 2026
FY 2025
Sep 30, 2025
FY 2024
Sep 30, 2024
FY 2023
Sep 30, 2023
FY 2022
Sep 30, 2022
FY 2021
Sep 30, 2021
FY 2021
Sep 30, 2020
FY 2019
Sep 23, 2019
FY 2018
Sep 30, 2018
FY 2017
Sep 30, 2017
FY 2016
Sep 30, 2016
Operating
Depreciation and amortization
442
+51.3%
348
+125.3%
155
+28.1%
121
+146.2%
49
—
—
2
+122.6%
1
-62.0%
2
+289.1%
1
+20559.1%
Stock-based compensation
73
+320.5%
45
+53.4%
30
+22.4%
24
-23.3%
31
+1432.5%
9
2
2
+32.7%
2
—
—
Operating cash flow
-529
-24.6%
-461
-97.3%
-234
-1254.8%
-17
-123.5%
73
+1205.8%
-24
-7
-6
-352.0%
-1
+7.4%
-1
-210.8%
-0
-129.8%
Investing
Capital expenditures
—
145
+118.9%
66
+7.5%
61
+218.7%
19
-86.1%
139
0
0
+574.9%
0
+197.9%
0
-47.2%
0
-87.4%
Investing cash flow
240
+128.0%
-306
+66.8%
-920
-177.3%
-332
-57.3%
-211
-8751.3%
-229
-2
-1
-60.8%
-0
-231.9%
-0
-505.7%
-0
+73.8%
Financing
Stock buybacks
460
145
—
—
—
—
—
—
—
—
—
Financing cash flow
457
-61.6%
689
-44.9%
1,249
+249.0%
358
+155.8%
140
+3144.2%
268
4
14
+577.9%
2
+83.6%
1
+37.4%
1
+233.5%
Change in cash
Net change in cash
168
+284.7%
-78
-181.9%
95
+986.2%
9
+261.2%
2
-83.8%
15
—
—
—
—
—
Free cash flow
—
-606
-102.1%
-300
-280.9%
-79
-245.3%
54
+137.1%
-163
-7
-6
-354.7%
-1
+6.7%
-1
-205.2%
-0
-67.3%
Per share
Free cash flow per share
—
-1.91
-37.9%
-1.38
-80.4%
-0.77
-160.3%
1.27
—
—
—
—
—
—
Shareholder returns
Returned to shareholders
460
145
—
—
—
—
—
—
—
—
—
Ratios
Free cash flow margin
—
-79.04%
-79.10%
-46.74%
41.19%
-415.46%
-66.59%
-127.97%
-220.48%
-305.15%
-545.94%
Capital expenditures to revenue
—
18.88%
17.44%
36.49%
14.66%
354.40%
0.35%
2.27%
2.63%
1.14%
11.79%
Stock-based compensation to revenue
—
5.92%
7.80%
14.34%
23.92%
21.75%
20.47%
43.97%
259.64%
—
—
Cash conversion
—
-1.26x
—
—
—
—
—
—
—
—
—
How these figures are calculated

Annual columns are full-year amounts from the annual report (Form 10-K, 20-F, or 40-F). If a company restates a year, the latest filed number is shown. USD in millions, except per-share amounts and ratios. Capital expenditures, debt repaid, dividends, and buybacks are positive amounts. Investing and financing cash flow keep the filing sign, so an outflow is negative. Free cash flow is operating cash flow minus capital expenditures. The first column is the trailing twelve months through the latest quarter. Returned to shareholders is dividends plus buybacks. Free cash flow margin, capital expenditures, and stock-based compensation are divided by revenue. Cash conversion is operating cash flow divided by net income. More on our methodology.

Company profile

Industry
Finance Services (SIC 6199)
Listed as
CLSK (Nasdaq), CLSKW (Nasdaq)
Fiscal year ends
September 30
Incorporated in
NV
Headquarters
Henderson, NV
SEC filer status
Large accelerated filer
SEC CIK
827876
Former names
STRATEAN INC. (until Nov 8, 2016); SMARTDATA CORP (until Nov 24, 2014)

Other Finance Services companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.