CSTL earnings date, and what happened the last 4 times

Next report

Thu Nov 5

Quality Score today 4

After the close, in 10 days. Confirmed by the company.

CSTL closed higher after 2 of its last 4 reports. On average it closed -0.8% the session after a report.

The moment CSTL reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after CSTL's last 4 reports

CSTL's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 30, 20262026 · After close	5estimated	+7.3%	+4.5%	+13.7%
May 6, 20262026 · After close	-1estimated	-8.4%	-22.3%	-26.7%
Feb 26, 20262026 · After close	5estimated	-6.3%	-7.3%	-12.4%
Nov 3, 20252025 · After close	10estimated	+3.6%	+21.7%	+33.7%

Jul 30, 2026, after the close: the next session CSTL opened +7.3% and closed +4.5%, and five sessions on it stood +13.7%. Its Quality Score going in was 5 (Below Average), estimated.
May 6, 2026, after the close: the next session CSTL opened -8.4% and closed -22.3%, and five sessions on it stood -26.7%. Its Quality Score going in was -1 (Poor), estimated.
Feb 26, 2026, after the close: the next session CSTL opened -6.3% and closed -7.3%, and five sessions on it stood -12.4%. Its Quality Score going in was 5 (Below Average), estimated.
Nov 3, 2025, after the close: the next session CSTL opened +3.6% and closed +21.7%, and five sessions on it stood +33.7%. Its Quality Score going in was 10 (Average), estimated.

Across these 4 reports CSTL opened higher after 2 of 4 and closed higher after 2 of 4; on average it opened -0.9%, closed -0.8%, and stood +2.1% five sessions on. Its Quality Score is 4 today, against 5 going into its Jul 30, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: -22.3% after the May 6, 2026 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about CSTL's earnings

As of Oct 26, 2026: Castle Biosciences (CSTL): reports Thu Nov 5, after the close. CSTL closed higher after 2 of its last 4 reports. Its Quality Score is 4 (Below Average). Scores as of 10:16 PM ET, 15 minutes behind.

When is CSTL's next earnings date?

Reports Thu Nov 5, after the close, a date the company confirmed. CSTL closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does CSTL report before or after the market?

CSTL reports Thu Nov 5, after the close. Its last 4 reports came after the close.

How did CSTL stock react to its last earnings report?

Jul 30, 2026, after the close: the next session CSTL opened +7.3% and closed +4.5%, and five sessions on it stood +13.7%.

Does CSTL stock usually go up after earnings?

CSTL closed higher after 2 of its last 4 reports. On average it closed -0.8% the session after a report, after opening -0.9%. Past behavior, not a forecast.

Castle Biosciences' page has its Quality Score, its chart, and its insiders' trades. Everyone reporting beside it: next week's earnings.