SION earnings date, and what happened the last 4 times

Next report

Thu Nov 5

Quality Score today -4

Before the open, in 10 days. Expected: the company has not confirmed it.

SION closed higher after 1 of its last 4 reports. On average it closed -3.7% the session after a report.

The moment SION 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 SION's last 4 reports

SION's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Aug 6, 20262026 · Before open	5estimated	-0.5%	+4.8%	-86.8%
May 12, 20262026 · Before open	10estimated	-1.9%	-10.9%	-14.6%
Mar 2, 20262026 · Before open	4estimated	-10.0%	-7.2%	-1.7%
Nov 5, 20252025 · Before open	4estimated	-0.3%	-1.6%	+2.3%

Aug 6, 2026, before the open: that session SION opened -0.5% and closed +4.8%, and five sessions on it stood -86.8%. Its Quality Score going in was 5 (Below Average), estimated.
May 12, 2026, before the open: that session SION opened -1.9% and closed -10.9%, and five sessions on it stood -14.6%. Its Quality Score going in was 10 (Average), estimated.
Mar 2, 2026, before the open: that session SION opened -10.0% and closed -7.2%, and five sessions on it stood -1.7%. Its Quality Score going in was 4 (Below Average), estimated.
Nov 5, 2025, before the open: that session SION opened -0.3% and closed -1.6%, and five sessions on it stood +2.3%. Its Quality Score going in was 4 (Below Average), estimated.

Across these 4 reports SION opened higher after 0 of 4 and closed higher after 1 of 4; on average it opened -3.2%, closed -3.7%, and stood -25.2% five sessions on. Its Quality Score is -4 today, against 5 going into its Aug 6, 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: -10.9% after the May 12, 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 SION's earnings

As of Oct 26, 2026: Sionna Therapeutics (SION): expected to report Thu Nov 5, before the open. SION closed higher after 1 of its last 4 reports. Its Quality Score is -4 (Poor). Scores as of 11:11 PM ET, 15 minutes behind.

When is SION's next earnings date?

Expected to report Thu Nov 5, before the open, a date Breakaway expects from the company's usual timing; the company has not confirmed it. SION closed higher after 1 of its last 4 reports. Past behavior, not a forecast.

Does SION report before or after the market?

SION is expected to report Thu Nov 5, before the open. Its last 4 reports came before the open.

How did SION stock react to its last earnings report?

Aug 6, 2026, before the open: that session SION opened -0.5% and closed +4.8%, and five sessions on it stood -86.8%.

Does SION stock usually go up after earnings?

SION closed higher after 1 of its last 4 reports. On average it closed -3.7% the session after a report, after opening -3.2%. Past behavior, not a forecast.

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