CASTLE BIOSCIENCES INC (CSTL)

Typically moves ±9.45% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-11-04 APPROXIMATE

Since Sep 03, 2019, CASTLE BIOSCIENCES INC (CSTL) has reported earnings 29 times. On average the shares move ±9.45% post-earnings, with a positive reaction 48.3% of the time. Its largest post-earnings gain was +32.83% (Aug 04, 2025) and its largest decline was -25.95% (Feb 28, 2024). The next earnings report is predicted for 2026-11-04 (approximate).

Earnings reactions

How CSTL moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±9.45%

Positive %

48.3%

Negative %

51.7%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Jul 30, 2026	☽ POST	+4.62%	open_in_new
May 06, 2026	☽ POST	-22.18%	open_in_new
Feb 26, 2026	☽ POST	-7.25%	open_in_new
Nov 03, 2025	☽ POST	+21.7%	open_in_new
Aug 04, 2025	☽ POST	+32.83%	open_in_new
May 05, 2025	☽ POST	-11.36%	open_in_new
Feb 27, 2025	☽ POST	-14.24%	open_in_new
Nov 04, 2024	☽ POST	-7.4%	open_in_new
Aug 05, 2024	☽ POST	+13.96%	open_in_new
May 02, 2024	☽ POST	+6.52%	open_in_new
Feb 28, 2024	☽ POST	-25.95%	open_in_new
Nov 02, 2023	☽ POST	+7.99%	open_in_new
Aug 02, 2023	☽ POST	+11.79%	open_in_new
May 03, 2023	☽ POST	-3.93%	open_in_new
Feb 28, 2023	☽ POST	-9.21%	open_in_new
Nov 02, 2022	☽ POST	-2.02%	open_in_new
Aug 08, 2022	☽ POST	+7.58%	open_in_new
May 09, 2022	☽ POST	+5.79%	open_in_new
Feb 28, 2022	☽ POST	+7.88%	open_in_new
Nov 08, 2021	☽ POST	-10.19%	open_in_new
Aug 09, 2021	☽ POST	-4.9%	open_in_new
May 10, 2021	☽ POST	-0.4%	open_in_new
Mar 08, 2021	☽ POST	-5.99%	open_in_new
Nov 09, 2020	☽ POST	+4.67%	open_in_new
Aug 10, 2020	☽ POST	+0.75%	open_in_new
May 11, 2020	☽ POST	+13.48%	open_in_new
Mar 10, 2020	☽ POST	-1.33%	open_in_new
Nov 14, 2019	☽ POST	+1.13%	open_in_new
Sep 03, 2019	☽ POST	-6.92%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±9.45%

Avg % price change on earnings

description

SEC Filings

View

Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 26 →

Funds holding

$195419095

Total value held

Buying

21 added · 5 reduced

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SEC Filing Types

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
4	20260903	open_in_new SEC.gov
4	20260902	open_in_new SEC.gov
4	20260901	open_in_new SEC.gov
4	20260827	open_in_new SEC.gov
4	20260826	open_in_new SEC.gov
144	20260825	open_in_new SEC.gov
144	20260824	open_in_new SEC.gov
4	20260819	open_in_new SEC.gov
4	20260818	open_in_new SEC.gov
4	20260818	open_in_new SEC.gov

Frequently asked about CSTL earnings

When does CASTLE BIOSCIENCES INC report earnings next? expand_more

CASTLE BIOSCIENCES INC (CSTL)'s next earnings date is approximate for 2026-11-04. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does CSTL stock move after earnings? expand_more

Over 29 reports, CSTL has moved an average of ±9.45% the session after earnings, closing higher 48.3% of the time.

What was CSTL's biggest post-earnings move? expand_more

CSTL's largest post-earnings gain on record was +32.83% on Aug 04, 2025, and its largest decline was -25.95% on Feb 28, 2024.

Where can I find CASTLE BIOSCIENCES INC's SEC filings? expand_more

All of CASTLE BIOSCIENCES INC's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.