Alector, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
South San Francisco, CA
SEC filing record 1 source field available
Fiscal year end
31 December
Alector, Inc. has filed 597 SEC EDGAR filings since 16 Sep 2015

SEC filing history

Showing 1-25 of 597 matching filings.

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4

Filing date
03 Jun 2026
Reporting date
01 Jun 2026
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4

Filing date
03 Jun 2026
Reporting date
02 Jun 2026
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4

Filing date
03 Jun 2026
Reporting date
02 Jun 2026
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4

4

Filing date
03 Jun 2026
Reporting date
02 Jun 2026
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144 File 001-38792

144 filing

Filing date
03 Jun 2026
Reporting date
Not listed
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144 File 001-38792

144 filing

Filing date
01 Jun 2026
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144 File 001-38792

144 filing

Filing date
01 Jun 2026
Reporting date
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144 File 001-38792

144 filing

Filing date
01 Jun 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-90858

SCHEDULE 13G/A filing

Filing date
14 May 2026
Reporting date
Not listed
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424B5 File 333-294241

424B5

Filing date
07 May 2026
Reporting date
Not listed
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EFFECT File 333-294241

EFFECT filing

Filing date
30 Apr 2026
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
28 Apr 2026
Reporting date
Not listed
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ARS File 001-38792

ARS

Filing date
28 Apr 2026
Reporting date
31 Dec 2025
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DEFA14A File 001-38792

DEFA14A

Filing date
28 Apr 2026
Reporting date
Not listed
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DEF 14A File 001-38792

DEF 14A

Filing date
28 Apr 2026
Reporting date
21 Apr 2026
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SCHEDULE 13G File 005-90858

SCHEDULE 13G filing

Filing date
27 Apr 2026
Reporting date
Not listed
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4

4

Filing date
17 Apr 2026
Reporting date
16 Apr 2026
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144 File 001-38792

144 filing

Filing date
16 Apr 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-90858

SCHEDULE 13G/A filing

Filing date
26 Mar 2026
Reporting date
Not listed
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UPLOAD File 333-294241

UPLOAD filing

Filing date
17 Mar 2026
Reporting date
Not listed
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4

4

Filing date
13 Mar 2026
Reporting date
13 Mar 2026
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4

4

Filing date
13 Mar 2026
Reporting date
13 Mar 2026
SEC evidence
Open document Open filing
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