Companies: 10,795·Total market cap: $144.5T
Alector, Inc.

Alector, Inc.

ALECNASDAQHealthcare● Active
$1.64
+$0.01(+0.31%)
Market Cap$182081000
P/E Ratio
52W High$3.4
52W Low$1.09
SEC Filings

Alector, Inc. (ALEC) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001653087 · ALEC · NASDAQ · as of Jun 9, 2026

Filing snapshot

597
Total Filings
4
Latest Form
2026-06-03
Most Recent
2019
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0001653087 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2026-02-25
Fiscal Year End
Feb 25, 2026
Accession No.
0001193125-26-071593
Primary Document
alec-20251231.htm
Source: data.sec.gov · CIK 0001653087 · Accession 0001193125-26-071593

Latest Key Filings

10-QQuarterly Report
10-Q
2026-05-07
8-KCurrent Report
8-K
2026-05-07Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-05-14
View
8-KCurrent Report
8-K
2026-05-07
View
424B5424B5
424B5
2026-05-07
View
10-QQuarterly Report
10-Q
2026-05-07
View
8-KCurrent Report
8-K
2026-05-07
View
EFFECTEFFECT
EFFECT
2026-04-30
View
CORRESPCORRESP
CORRESP
2026-04-28
View
ARSARS
ARS
2026-04-28
View
DEFA14AProxy Statement (Additional)
DEFA14A
2026-04-28
View
DEF 14AProxy Statement
DEF 14A
2026-04-28
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-27
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-26
View
UPLOADUPLOAD
UPLOAD
2026-03-17
View
S-3Shelf Registration
S-3
2026-03-12
View
S-8Employee Stock Plan Registration
S-8
2026-02-25
View
Showing 1–15 of 270 filingsForm 4 / 144 hidden· 597 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001653087  |  Exchange: NASDAQ · Healthcare

Alector, Inc. (NASDAQ: ALEC) has submitted 597 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2019. As a Healthcare sector company with CIK 0001653087, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Alector, Inc.'s most comprehensive regulatory disclosure. The most recent Alector, Inc. 10-K was filed on 2026-02-25 for fiscal year ending 2026. Historical ALEC 10-K annual reports are available from 2015 through 2026.

Investors researching Alector, Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09

Frequently Asked Questions

ALEC SEC Filings · 8 questions

Alector, Inc. (ALEC) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 597 filings and access original documents at no cost. Alector, Inc.'s CIK is 0001653087.

ALEC SEC filingsAlector, Inc. SEC documentsfind ALEC 10-K