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Castle Biosciences Inc

CSTL

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28.090USD

+1.300+4.85%

Close 07-31 16:00（ET）Quotes delayed by 15 min

856.98MMarket Cap

LossP/E TTM

Castle Biosciences Inc

28.090

+1.300+4.85%

Financial Summary Income Statement Balance Sheet Cash Flow Statement

Overview

Financials

Discussions

Analysis

Company

Financial Summary Income Statement Balance Sheet Cash Flow Statement

CSTL Cash Flow Statement

You can access the annual and quarterly cash flow statements of Castle Biosciences Inc to evaluate its financial soundness and stability.

Quarterly

Quarterly+Annual

Quarterly

Annual

YOY

Hide blank rows

FY2026Q2

FY2026Q1

FY2025Q4

FY2025Q3

FY2025Q2

FY2025Q1

FY2024Q4

FY2024Q3

FY2024Q2

FY2024Q1

FY2023Q4

FY2023Q3

FY2023Q2

FY2023Q1

FY2022Q4

FY2022Q3

FY2022Q2

FY2022Q1

FY2021Q4

FY2021Q3

FY2021Q2

FY2021Q1

FY2020Q4

FY2020Q3

FY2020Q2

FY2020Q1

FY2019Q4

FY2019Q3

FY2019Q2

FY2019Q1

FY2018Q4

FY2018Q3

FY2018Q2

FY2018Q1

Operating cash flows (indirect method)

Cash flow from continuing operating activities

-26.99%15.20M

-266.62%-22.13M

10.53%26.93M

-3.03%22.63M

-13.24%20.82M

11.69%-6.04M

31.09%24.36M

365.64%23.34M

733.86%24.00M

73.13%-6.83M

409.78%18.59M

195.94%5.01M

57.94%-3.79M

-18.71%-25.44M

-115.75%-6.00M

14.82%-5.22M

-39.81%-9.00M

-490.20%-21.43M

-546.74%-2.78M

-107.55%-6.13M

-147.69%-6.44M

-1346.61%-3.63M

-109.57%-430.00K

-493.19%-2.96M

2702.57%13.50M

-119.48%-251.00K

239.97%4.49M

140.00%751.54K

110.26%481.74K

151.36%1.29M

---3.21M

---1.88M

---4.70M

---2.51M

Net income from continuing operations

-145.54%-2.06M

43.82%-14.52M

-124.32%-2.33M

-122.08%-501.00K

-49.29%4.52M

-920.05%-25.85M

471.71%9.59M

132.86%2.27M

147.50%8.92M

91.32%-2.53M

87.49%-2.58M

65.90%-6.91M

-1039.38%-18.78M

-18.60%-29.20M

-220.65%-20.62M

-71.73%-20.25M

81.25%-1.65M

-475.30%-24.62M

-31.52%-6.43M

-156.94%-11.79M

-538.88%-8.79M

-850.88%-4.28M

-337.93%-4.89M

-178.45%-4.59M

-8.43%-1.38M

141.97%570.00K

-46.88%2.05M

269.54%5.85M

59.78%-1.27M

62.59%-1.36M

--3.87M

---3.45M

---3.15M

---3.63M

Operating gains losses

19.21%4.07M

-86.80%3.93M

-34.52%3.78M

7.77%3.82M

1.97%3.41M

791.14%29.76M

78.91%5.77M

11.56%3.54M

10.13%3.35M

15.49%3.34M

13.48%3.22M

8.59%3.17M

15.68%3.04M

34.45%2.89M

95.80%2.84M

168.41%2.92M

314.51%2.63M

823.18%2.15M

806.88%1.45M

815.13%1.09M

521.57%634.00K

156.04%233.00K

60.50%160.00K

30.73%119.00K

16.53%102.00K

13.86%91.00K

25.31%99.69K

9.28%91.03K

8.85%87.53K

0.21%79.92K

--79.55K

--83.30K

--80.42K

--79.75K

Deferred tax

99.94%-3.00K

98.70%-10.00K

60.68%-907.00K

-97.79%116.00K

-202.66%-4.67M

---770.00K

-877.54%-2.31M

--5.25M

---1.54M

-100.00%0.00

-521.05%-236.00K

--0.00

100.00%0.00

-89.43%13.00K

99.57%-38.00K

--0.00

---1.96M

--123.00K

---8.74M

----

Other non-cash items

84.01%-157.00K

105.55%78.00K

46.10%-837.00K

44.79%-842.00K

46.01%-982.00K

7.57%-1.41M

-20.48%-1.55M

-1.80%-1.52M

-73.07%-1.82M

-49.31%-1.52M

14.75%-1.29M

-696.81%-1.50M

94.84%-1.05M

-139.55%-1.02M

-1627.27%-1.51M

-11.90%-188.00K

-56686.11%-20.37M

7700.00%2.57M

-93.62%99.00K

-177.42%-168.00K

-84.21%36.00K

-85.27%33.00K

563.08%1.55M

105.87%217.00K

-79.38%228.00K

-39.01%224.00K

-34.89%233.91K

-2130.51%-3.70M

927.89%1.11M

121.38%367.25K

--359.26K

--182.07K

--107.56K

--165.90K

Change in working capital

-86.70%1.13M

5.02%-19.36M

604.44%13.97M

1382.35%11.50M

345.08%8.51M

-8.43%-20.38M

-74.13%1.98M

127.69%776.00K

1149.67%1.91M

-61.38%-18.80M

125.21%7.67M

-190.56%-2.80M

-95.71%153.00K

-15.61%-11.65M

-14.56%3.40M

754.12%3.09M

215.76%3.57M

-122.38%-10.07M

1970.42%3.98M

42.32%-473.00K

-123.91%-3.08M

-66.97%-4.53M

-115.30%-213.00K

78.41%-820.00K

2978.40%12.89M

-233.59%-2.71M

118.34%1.39M

-408.38%-3.80M

123.08%418.85K

149.41%2.03M

---7.59M

--1.23M

---1.81M

--814.27K

-Change in receivables

-248.77%-5.82M

120.61%1.07M

915.60%6.27M

144.92%1.91M

216.44%3.91M

-22.41%-5.22M

33.19%-769.00K

26.67%-4.25M

6.59%-3.36M

2.76%-4.26M

-113.15%-1.15M

-11502.00%-5.80M

-23.84%-3.59M

-60.84%-4.38M

-137.09%-540.00K

93.84%-50.00K

21.90%-2.90M

-74.90%-2.73M

858.33%1.46M

-68.46%-812.00K

-270.82%-3.72M

-1067.70%-1.56M

88.68%-192.00K

82.94%-482.00K

1107.59%2.18M

-95.81%161.00K

78.12%-1.70M

-8190.43%-2.82M

62.97%-215.96K

10211.27%3.84M

---7.75M

---34.07K

---583.18K

---37.99K

-Change in inventory

92.16%-119.00K

-116.10%-207.00K

-2.62%-1.60M

-121.30%-307.00K

-312.23%-1.52M

333.00%1.29M

28.07%-1.56M

309.38%1.44M

77.01%-368.00K

155.00%297.00K

-1120.79%-2.17M

180.73%352.00K

-117.23%-1.60M

-64.13%-540.00K

-150.14%-178.00K

-73.71%-436.00K

-333.23%-737.00K

-253.76%-329.00K

165.99%355.00K

-1991.67%-251.00K

170.38%316.00K

-589.47%-93.00K

-29.46%-538.00K

95.57%-12.00K

-273.76%-449.00K

-73.95%19.00K

27.35%-415.57K

-382.03%-270.76K

230.04%258.40K

-24.84%72.94K

---571.99K

--96.00K

---198.71K

--97.03K

-Change in prepaid expenses

34.16%-877.00K

-98.19%-6.67M

643.20%3.99M

111.62%161.00K

-597.38%-1.33M

-3166.02%-3.36M

17.51%537.00K

-31.90%-1.39M

-123.52%-191.00K

84.25%-103.00K

-29.26%457.00K

9.72%-1.05M

332.00%812.00K

-83.19%-654.00K

-52.18%646.00K

44.11%-1.16M

-5.42%-350.00K

-121.26%-357.00K

228.91%1.35M

-4.00%-2.08M

-191.46%-332.00K

1401.55%1.68M

-526.58%-1.05M

-40.68%-2.00M

1184.81%363.00K

-95.87%-129.00K

269.85%245.67K

-2552.80%-1.42M

-124.40%-33.46K

33.44%-65.86K

---144.64K

---53.62K

--137.16K

---98.95K

-Change in other current assets

-111.15%-30.00K

-141.62%-159.00K

-92.87%44.00K

113.01%311.00K

-62.27%269.00K

253.70%382.00K

35.01%617.00K

129.44%146.00K

159.47%713.00K

-83.38%108.00K

19.63%457.00K

-273.43%-496.00K

-277.10%-1.20M

146.21%650.00K

-59.53%382.00K

391.84%286.00K

420.77%677.00K

217.33%264.00K

825.49%944.00K

93.20%-98.00K

766.67%130.00K

-192.21%-225.00K

257.54%102.00K

-17475.31%-1.44M

606.21%15.00K

-442.98%-77.00K

-204.15%-64.74K

-115.86%-8.20K

101.56%2.12K

-140.26%-14.18K

--62.17K

--51.69K

---136.19K

--35.22K

-Change in other current liabilities

----

100.00%0.00

----

-3145.54%-3.28M

-1615.92%-3.05M

-126.24%-2.24M

-3100.00%-64.00K

-24005.01%-101.00K

29485.96%201.00K

1249953.37%8.52M

-114.51%-2.00K

-85.40%-419.00

-201.32%-684.00

-201.77%-682.00

-51.59%13.79K

---226.00

---227.00

---226.00

--28.48K

Cash from non-recurring investing activities

Cash from operating activities

-26.99%15.20M

-266.62%-22.13M

10.53%26.93M

-3.03%22.63M

-13.24%20.82M

11.69%-6.04M

31.09%24.36M

365.64%23.34M

733.86%24.00M

73.13%-6.83M

409.78%18.59M

195.94%5.01M

57.94%-3.79M

-18.71%-25.44M

-115.75%-6.00M

14.82%-5.22M

-39.81%-9.00M

-490.20%-21.43M

-546.74%-2.78M

-107.55%-6.13M

-147.69%-6.44M

-1346.61%-3.63M

-109.57%-430.00K

-493.19%-2.96M

2702.57%13.50M

-119.48%-251.00K

239.97%4.49M

140.00%751.54K

110.26%481.74K

151.36%1.29M

---3.21M

---1.88M

---4.70M

---2.51M

Investing cash flow

Net cash from continuing investing activities

-6.56%8.64M

163.12%12.45M

-5.04%7.18M

132.43%14.81M

76.98%9.25M

-48.28%4.73M

99.47%7.56M

159.85%6.37M

29.64%5.23M

174.44%9.15M

136.73%3.79M

20.42%2.45M

188.62%4.03M

729.10%3.33M

80.09%1.60M

120.69%2.04M

53.35%1.40M

-46.40%402.00K

51.19%889.00K

-51.52%923.00K

-48.12%911.00K

50.00%750.00K

69.29%588.00K

1052.61%1.90M

870.97%1.76M

105.24%500.00K

6313.15%347.34K

89.85%165.19K

15.91%180.85K

752.31%243.62K

--5.42K

--87.01K

--156.03K

--28.58K

Capital expenditures

-6.62%8.65M

162.76%12.46M

-5.06%7.18M

132.58%14.83M

77.15%9.26M

-48.21%4.74M

99.50%7.57M

159.80%6.38M

29.59%5.23M

174.18%9.15M

112.26%3.79M

20.46%2.46M

187.19%4.04M

730.35%3.34M

100.11%1.79M

119.85%2.04M

53.89%1.41M

-46.40%402.00K

51.61%893.00K

-51.36%927.00K

-48.01%913.00K

50.00%750.00K

69.58%589.00K

1053.82%1.91M

870.97%1.76M

105.24%500.00K

6313.15%347.34K

89.85%165.19K

15.91%180.85K

752.31%243.62K

--5.42K

--87.01K

--156.03K

--28.58K

Net cash flow from disposal of fixed assets

-6.56%8.64M

163.12%12.45M

-5.04%7.18M

132.43%14.81M

76.98%9.25M

-48.28%4.73M

99.47%7.56M

159.85%6.37M

29.64%5.23M

174.44%9.15M

136.73%3.79M

20.42%2.45M

188.62%4.03M

729.10%3.33M

80.09%1.60M

120.69%2.04M

53.35%1.40M

-46.40%402.00K

51.19%889.00K

-51.52%923.00K

-48.12%911.00K

50.00%750.00K

69.29%588.00K

1052.61%1.90M

870.97%1.76M

105.24%500.00K

6313.15%347.34K

89.85%165.19K

15.91%180.85K

752.31%243.62K

--5.42K

--87.01K

--156.03K

--28.58K

Net cash flow from business transactions

----

---18.73M

----

--0.00

100.00%0.00

----

100.00%0.00

---305.00K

21.31%-26.11M

----

---30.00M

--0.00

---33.18M

----

Net cash flow from investment products

-1725.19%-7.32M

24.55%-13.36M

35.97%18.13M

57.53%-3.57M

97.52%-401.00K

-67.71%-17.70M

443.38%13.33M

-15.99%-8.41M

-42.58%-16.19M

-152.99%-10.55M

-34.74%-3.88M

94.50%-7.25M

---11.36M

--19.92M

---2.88M

---131.81M

----

Net cash flow from other investing activities

100.00%0.00

--0.00

--16.61M

--0.00

---18.73M

----

Cash from non-current investing activities

Net cash flow from investing activities

43.75%-15.96M

-15.03%-25.80M

53.05%8.83M

-24.34%-18.39M

-32.50%-28.38M

-13.86%-22.43M

175.21%5.77M

-52.34%-14.79M

-39.19%-21.42M

-218.80%-19.70M

-71.17%-7.67M

92.76%-9.71M

44.07%-15.39M

4225.37%16.58M

85.49%-4.48M

-14434.13%-134.15M

19.31%-27.51M

46.40%-402.00K

-5153.23%-30.89M

51.52%-923.00K

-1841.63%-34.09M

-50.00%-750.00K

-69.29%-588.00K

-1052.61%-1.90M

-870.97%-1.76M

-105.24%-500.00K

-6313.15%-347.34K

-89.85%-165.19K

-15.91%-180.85K

-752.31%-243.62K

---5.42K

---87.01K

---156.03K

---28.58K

Financing cash flow

Cash flow from continuous financing activities

-977.23%-886.00K

-224.08%-5.03M

14.78%-4.59M

-209.67%-919.00K

140.48%101.00K

-114.59%-1.55M

-63.33%-5.38M

1762.22%838.00K

-81.42%42.00K

1362.09%10.64M

-339.60%-3.30M

-88.40%45.00K

-65.81%226.00K

-40.13%728.00K

-695.24%-750.00K

-79.51%388.00K

-65.04%661.00K

-19.47%1.22M

-99.94%126.00K

-76.76%1.89M

-97.27%1.89M

170.13%1.51M

101709.89%227.82M

-89.34%8.15M

7302.98%69.36M

-94.78%559.00K

-94.93%223.77K

208481.26%76.42M

-84.48%936.93K

100.19%10.71M

--4.42M

--36.64K

--6.04M

--5.35M

Net cash flow from debt Issuance/repayment

22.58%-24.00K

7.69%-24.00K

-3.85%-27.00K

-29.17%-31.00K

-181.82%-31.00K

-100.26%-26.00K

27.78%-26.00K

33.33%-24.00K

68.57%-11.00K

28568.57%9.96M

-5.88%-36.00K

-9.09%-36.00K

-12.90%-35.00K

-45.83%-35.00K

-325.00%-34.00K

---33.00K

---31.00K

---24.00K

99.97%-8.00K

100.00%0.00

----

-10052619.67%-24.03M

-127.07%-2.50M

-185.51%-833.00K

-100.00%0.00

-100.01%-239.00

--9.24M

-2.59%974.12K

--10.71M

--4.42M

--0.00

--1.00M

--0.00

Net cash flow from common stock issuance/repurchase

----

--0.00

-100.00%0.00

----

5658117.16%250.54M

-84.87%9.97M

--69.53M

----

---4.43K

--65.94M

----

--0.00

----

Proceeds from stock option exercised by employees

400.00%95.00K

1688.89%322.00K

460.86%2.09M

-95.10%77.00K

137.50%19.00K

-72.31%18.00K

418.06%373.00K

11984.62%1.57M

-91.01%8.00K

-31.58%65.00K

-54.43%72.00K

-92.17%13.00K

-19.09%89.00K

-76.19%95.00K

-56.83%158.00K

-89.10%166.00K

-91.88%110.00K

-59.74%399.00K

-59.38%366.00K

421.58%1.52M

311.55%1.35M

1295.77%991.00K

8518.71%901.00K

-60.86%292.00K

-21.03%329.00K

7651.09%71.00K

--10.45K

1936.52%746.00K

--416.63K

-13.99%916.00

--0.00

--36.63K

--0.00

--1.06K

Net cash flow from other financing activities

-946.90%-957.00K

-245.05%-5.33M

-16.09%-6.65M

-36.11%-965.00K

151.11%113.00K

-351.22%-1.54M

-71.98%-5.73M

-1142.65%-709.00K

-73.84%45.00K

-7.93%615.00K

-281.35%-3.33M

-73.33%68.00K

-70.45%172.00K

-20.57%668.00K

-276.72%-874.00K

-31.27%255.00K

8.38%582.00K

62.04%841.00K

-156.86%-232.00K

-3.39%371.00K

60.30%537.00K

6.35%519.00K

87.17%408.00K

-15.38%384.00K

173.82%335.00K

--488.00K

3114142.86%217.98K

--453.82K

---453.82K

----

---7.00

----

--0.00

----

Net cash from non-recurrent financing activities

Net cash from financing activities

-977.23%-886.00K

-224.08%-5.03M

14.78%-4.59M

-209.67%-919.00K

140.48%101.00K

-114.59%-1.55M

-63.33%-5.38M

1762.22%838.00K

-81.42%42.00K

1362.09%10.64M

-339.60%-3.30M

-88.40%45.00K

-65.81%226.00K

-40.13%728.00K

-695.24%-750.00K

-79.51%388.00K

-65.04%661.00K

-19.47%1.22M

-99.94%126.00K

-76.76%1.89M

-97.27%1.89M

170.13%1.51M

101709.89%227.82M

-89.34%8.15M

7302.98%69.36M

-94.78%559.00K

-94.93%223.77K

208481.26%76.42M

-84.48%936.93K

100.19%10.71M

--4.42M

--36.64K

--6.04M

--5.35M

Net cash flow

Beginning cash balance

----

-2.49%116.73M

-9.90%85.56M

-3.90%82.23M

8.13%89.69M

21.11%119.71M

4.10%94.96M

-10.75%85.57M

-27.76%82.95M

-19.61%98.84M

-32.01%91.22M

-64.90%95.87M

-62.84%114.82M

-62.70%122.95M

-63.05%134.18M

-25.84%273.17M

-24.07%309.02M

-19.57%329.63M

98.40%363.18M

104.91%368.34M

312.54%406.98M

314.64%409.85M

93.75%183.05M

929.05%179.76M

507.82%98.65M

2107.09%98.84M

2783.62%94.48M

235.59%17.47M

303.43%16.23M

269.49%4.48M

--3.28M

--5.21M

--4.02M

--1.21M

Current period cash flow changes

77.90%-1.65M

-76.43%-52.97M

25.95%31.17M

-64.60%3.32M

-384.25%-7.46M

-88.90%-30.02M

224.89%24.75M

301.83%9.39M

113.84%2.62M

-95.55%-15.89M

167.82%7.62M

96.65%-4.65M

47.15%-18.95M

60.58%-8.13M

66.52%-11.23M

-2592.48%-138.99M

7.22%-35.85M

-618.08%-20.62M

-114.79%-33.54M

-256.85%-5.16M

-147.64%-38.64M

-1395.31%-2.87M

5090.34%226.80M

-95.73%3.29M

6452.33%81.11M

-101.63%-192.00K

263.46%4.37M

4091.97%77.01M

4.71%1.24M

318.06%11.75M

--1.20M

---1.93M

--1.18M

--2.81M

Ending cash balance

-24.46%62.12M

-28.91%63.76M

-2.49%116.73M

-9.90%85.56M

-3.90%82.23M

8.13%89.69M

21.11%119.71M

4.10%94.96M

-10.75%85.57M

-27.76%82.95M

-19.61%98.84M

-32.01%91.22M

-64.90%95.87M

-62.84%114.82M

-62.70%122.95M

-63.05%134.18M

-25.84%273.17M

-24.07%309.02M

-19.57%329.63M

98.40%363.18M

104.91%368.34M

312.54%406.98M

314.64%409.85M

93.76%183.05M

929.05%179.76M

507.82%98.65M

2107.09%98.84M

2783.61%94.47M

235.59%17.47M

303.43%16.23M

--4.48M

--3.28M

--5.21M

--4.02M

Free cash flow

-43.32%6.55M

-220.94%-34.58M

17.56%19.75M

-54.03%7.80M

-38.42%11.56M

32.60%-10.78M

13.55%16.80M

563.28%16.96M

339.98%18.77M

44.45%-15.99M

289.98%14.79M

135.21%2.56M

24.84%-7.82M

-31.81%-28.78M

-111.95%-7.79M

-2.86%-7.26M

-41.56%-10.41M

-398.33%-21.83M

-260.55%-3.67M

-45.24%-7.06M

-162.59%-7.35M

-483.36%-4.38M

-124.58%-1.02M

-929.03%-4.86M

3803.47%11.74M

-171.88%-751.00K

228.93%4.15M

129.83%586.35K

106.20%300.89K

141.18%1.04M

---3.22M

---1.97M

---4.85M

---2.54M

Currency unit

--USD

Audit opinions

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FAQs

What is operating cash flow?



Operating cash flow is the cash generated or used by a company's core business operations. It adjusts net income for non-cash items and working capital changes, such as depreciation, receivables, inventory, and payables. Strong operating cash flow can indicate that the business is converting sales and earnings into real cash.

How Much Operating Cash Flow Did Castle Biosciences Inc Generate?



Castle Biosciences Inc generated 64.35M in operating cash flow in fiscal 2025, reflecting cash generated from its core business operations.

How Did Castle Biosciences Inc's Operating Cash Flow Change Year Over Year?



Castle Biosciences Inc's operating cash flow increased by -0.80% year over year.

What is investing cash flow?



Investing cash flow shows cash used for or generated from investment-related activities, such as capital expenditures, purchases or sales of investments, acquisitions, and asset disposals. Negative investing cash flow is not always bad, because it can reflect spending on future growth, but investors should check whether those investments support long-term returns.

How Much Does Castle Biosciences Inc Spend on Capital Expenditures?



Castle Biosciences Inc spent 36.02M on capital expenditures in the most recent quarter。

What is financing cash flow?



Financing cash flow shows how a company raises capital or returns capital to investors and creditors. It can include debt issuance, debt repayment, share issuance, share repurchases, dividend payments, and lease financing. Positive financing cash flow may show new capital raised, while negative financing cash flow may reflect debt repayment, dividends, or buybacks.

How Has Castle Biosciences Inc's Financing Cash Flow Changed?



Castle Biosciences Inc used -6.96M in financing activities in the latest quarter.

What is free cash flow and why does it matter for CSTL?



Free cash flow is the cash a company has left after funding the capital spending needed to maintain or grow the business. It is often used to assess financial flexibility, debt repayment capacity, dividend sustainability, buyback potential, and valuation quality. Investors should compare free cash flow with net income, revenue growth, and capital expenditures.

What was Castle Biosciences Inc’s free cash flow in the latest quarter?



Free cash flow was 28.33M reflecting a -22.48% change from the previous year.