Alector, Inc. (ALEC)

Typically moves ±9.66% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2027-02-26 APPROXIMATE

Across 23 earnings reports since May 05, 2021, Alector, Inc. (ALEC) has a clear post-earnings pattern. It moves ±9.66% on average after reporting and finishes higher 56.5% of the time. Its largest post-earnings gain was +47.26% (Aug 07, 2025) and its largest decline was -19.81% (Nov 08, 2022). The next earnings report is predicted for 2027-02-26 (approximate).

Earnings reactions

How ALEC moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±9.66%

Positive %

56.5%

Negative %

43.5%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Oct 05, 2026	☽ POST	-8.38%	open_in_new
Aug 06, 2026	☽ POST	-4.3%	open_in_new
May 07, 2026	☽ POST	-13.73%	open_in_new
Feb 25, 2026	☽ POST	+7.11%	open_in_new
Nov 06, 2025	☽ POST	-1.54%	open_in_new
Aug 07, 2025	☽ POST	+47.26%	open_in_new
May 08, 2025	☽ POST	+12.5%	open_in_new
Feb 26, 2025	☽ POST	-3.49%	open_in_new
Nov 06, 2024	☽ POST	+7.63%	open_in_new
Aug 07, 2024	☽ POST	+3.87%	open_in_new
May 08, 2024	☽ POST	+0.19%	open_in_new
Feb 27, 2024	☽ POST	-0.29%	open_in_new
Nov 07, 2023	☽ POST	-7.3%	open_in_new
Aug 03, 2023	☽ POST	+32.38%	open_in_new
May 04, 2023	☽ POST	+10.27%	open_in_new
Feb 28, 2023	☽ POST	+3.04%	open_in_new
Nov 08, 2022	☽ POST	-19.81%	open_in_new
Aug 04, 2022	☽ POST	+15.27%	open_in_new
May 05, 2022	☽ POST	-6.51%	open_in_new
Feb 24, 2022	☽ POST	-0.93%	open_in_new
Nov 04, 2021	☽ POST	+0.76%	open_in_new
Aug 03, 2021	☽ POST	+7.56%	open_in_new
May 05, 2021	☽ POST	+8.02%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±9.66%

Avg % price change on earnings

description

SEC Filings

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Browse all SEC filings

account_balance

Institutional ownership

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

View all 20 →

Funds holding

$32336693

Total value held

Buying

13 added · 5 reduced

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SEC Filing Types

description SCHEDULE 13G/A

11 chevron_right

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
424B5	20261016	open_in_new SEC.gov
8-K	20261016	open_in_new SEC.gov
FWP	20261016	open_in_new SEC.gov
4	20261015	open_in_new SEC.gov
4	20261015	open_in_new SEC.gov
4	20261015	open_in_new SEC.gov
8-K	20261014	open_in_new SEC.gov
8-K	20261005	open_in_new SEC.gov
SCHEDULE 13G	20260918	open_in_new SEC.gov
144	20260904	open_in_new SEC.gov

Frequently asked about ALEC earnings

When does Alector, Inc. report earnings next? expand_more

Alector, Inc. (ALEC)'s next earnings date is approximate for 2027-02-26. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does ALEC stock move after earnings? expand_more

Over 23 reports, ALEC has moved an average of ±9.66% the session after earnings, closing higher 56.5% of the time.

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

ALEC's largest post-earnings gain on record was +47.26% on Aug 07, 2025, and its largest decline was -19.81% on Nov 08, 2022.

Where can I find Alector, Inc.'s SEC filings? expand_more

All of Alector, 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.