Alector, INC (ALEC) SEC Filings

Browse and analyze financial disclosures, corporate filings, and regulatory documents.

Financial Reports (10-Q, 10-K)
10-K
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] Feb 26, 2025
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] Nov 06, 2024
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] Aug 07, 2024
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] May 08, 2024
10-K
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] Feb 27, 2024
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] Nov 07, 2023
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] Aug 03, 2023
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] May 04, 2023
10-K
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] Feb 28, 2023
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] Nov 08, 2022
10-Q
Form 10-Q - Quarterly report [Sections 13 or 15(d)] Aug 04, 2022
Current Reports (8-K)
8-K
Form 8-K - Current report - Item 5.02 Mar 28, 2025
8-K
Form 8-K - Current report - Item 2.05 Mar 10, 2025
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Feb 26, 2025
8-K
Form 8-K - Current report - Item 8.01 Jan 10, 2025
8-K
Form 8-K - Current report - Item 2.05 Item 7.01 Item 9.01 Nov 25, 2024
8-K
Form 8-K - Current report - Item 1.01 Item 2.03 Item 7.01 Item 9.01 Nov 14, 2024
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Nov 06, 2024
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Aug 07, 2024
8-K
Form 8-K - Current report - Item 5.07 Jun 12, 2024
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 May 08, 2024
8-K
Form 8-K - Current report - Item 5.02 Mar 21, 2024
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Feb 27, 2024
8-K
Form 8-K - Current report - Item 1.01 Item 8.01 Item 9.01 Jan 19, 2024
8-K
Form 8-K - Current report - Item 2.02 Jan 16, 2024
8-K
Form 8-K - Current report - Item 1.01 Item 9.01 Nov 07, 2023
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Nov 07, 2023
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Aug 03, 2023
8-K
Form 8-K - Current report - Item 5.03 Item 5.07 Item 9.01 Jun 15, 2023
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 May 04, 2023
8-K
Form 8-K - Current report - Item 5.02 Apr 27, 2023
8-K
Form 8-K - Current report - Item 2.05 Mar 29, 2023
8-K
Form 8-K - Current report - Item 7.01 Mar 13, 2023
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Feb 28, 2023
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Nov 08, 2022
8-K
Form 8-K - Current report - Item 5.02 Oct 05, 2022
8-K
Form 8-K - Current report - Item 5.02 Item 9.01 Sep 23, 2022
8-K
Form 8-K - Current report - Item 2.02 Item 9.01 Aug 04, 2022
8-K
Form 8-K - Current report - Item 8.01 Jul 07, 2022
Ownership
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2025
144
Form 144 - Report of proposed sale of securities Feb 28, 2025
144
Form 144 - Report of proposed sale of securities Feb 28, 2025
144
Form 144 - Report of proposed sale of securities Feb 28, 2025
144
Form 144 - Report of proposed sale of securities Feb 28, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 03, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 03, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 03, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 03, 2024
144
Form 144 - Report of proposed sale of securities Nov 29, 2024
144
Form 144 - Report of proposed sale of securities Nov 29, 2024
144
Form 144 - Report of proposed sale of securities Nov 29, 2024
144
Form 144 - Report of proposed sale of securities Nov 29, 2024
SC 13G/A
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend] Nov 12, 2024
SC 13G/A
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend] Nov 07, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 10, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 02, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 02, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 02, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 02, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 04, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 04, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 04, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 04, 2024
144
Form 144 - Report of proposed sale of securities Aug 30, 2024
144
Form 144 - Report of proposed sale of securities Aug 30, 2024
144
Form 144 - Report of proposed sale of securities Aug 30, 2024
144
Form 144 - Report of proposed sale of securities Aug 30, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Aug 23, 2024
144
Form 144 - Report of proposed sale of securities Aug 22, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Aug 13, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Aug 13, 2024
144
Form 144 - Report of proposed sale of securities Aug 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 12, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 04, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 04, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 04, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 04, 2024
144
Form 144 - Report of proposed sale of securities May 31, 2024
144
Form 144 - Report of proposed sale of securities May 31, 2024
144
Form 144 - Report of proposed sale of securities May 31, 2024
144
Form 144 - Report of proposed sale of securities May 31, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities May 31, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities May 02, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 21, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 21, 2024
3
Form 3 - Initial statement of beneficial ownership of securities Mar 21, 2024
3
Form 3 - Initial statement of beneficial ownership of securities Mar 21, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 05, 2024
144
Form 144 - Report of proposed sale of securities Mar 01, 2024
144
Form 144 - Report of proposed sale of securities Mar 01, 2024
144
Form 144 - Report of proposed sale of securities Mar 01, 2024
144
Form 144 - Report of proposed sale of securities Mar 01, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Feb 14, 2024
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 13, 2024
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 09, 2024
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 09, 2024
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Jan 24, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Dec 06, 2023
144
Form 144 - Report of proposed sale of securities Dec 01, 2023
144
Form 144 - Report of proposed sale of securities Dec 01, 2023
144
Form 144 - Report of proposed sale of securities Dec 01, 2023
144
Form 144 - Report of proposed sale of securities Dec 01, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Oct 13, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Oct 10, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 13, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 13, 2023
144
Form 144 - Report of proposed sale of securities Sep 11, 2023
144
Form 144 - Report of proposed sale of securities Sep 11, 2023
144
Form 144 - Report of proposed sale of securities Sep 11, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 06, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 06, 2023
144
Form 144 - Report of proposed sale of securities Sep 01, 2023
144
Form 144 - Report of proposed sale of securities Sep 01, 2023
144
Form 144 - Report of proposed sale of securities Sep 01, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Aug 24, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Aug 24, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 15, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 05, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 05, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 05, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jun 05, 2023
144
Form 144 - Report of proposed sale of securities Jun 01, 2023
144
Form 144 - Report of proposed sale of securities Jun 01, 2023
144
Form 144 - Report of proposed sale of securities Jun 01, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 21, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 03, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Mar 03, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 10, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 10, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 09, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 09, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 09, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 07, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Feb 01, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Jan 31, 2023
SC 13G/A
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] Jan 25, 2023
4
Form 4 - Statement of changes in beneficial ownership of securities Nov 18, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Nov 18, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 04, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 04, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 04, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 04, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Oct 04, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 07, 2022
4
Form 4 - Statement of changes in beneficial ownership of securities Sep 07, 2022
Prospectuses & Registrations
ARS
Form ARS - Annual Report to Security Holders Apr 25, 2025
S-8
Form S-8 - Securities to be offered to employees in employee benefit plans Feb 26, 2025
ARS
Form ARS - Annual Report to Security Holders Apr 25, 2024
S-8
Form S-8 - Securities to be offered to employees in employee benefit plans Feb 27, 2024
S-3
Form S-3 - Registration statement under Securities Act of 1933 Feb 28, 2023
S-8
Form S-8 - Securities to be offered to employees in employee benefit plans Feb 28, 2023
S-8
Form S-8 - Securities to be offered to employees in employee benefit plans Sep 23, 2022
Proxy Statements
DEFA14A
Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material Apr 24, 2025
DEF 14A
Form DEF 14A - Other definitive proxy statements Apr 24, 2025
DEFA14A
Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material Apr 25, 2024
DEF 14A
Form DEF 14A - Other definitive proxy statements Apr 25, 2024
DEFA14A
Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material Apr 27, 2023
DEF 14A
Form DEF 14A - Other definitive proxy statements Apr 27, 2023
Other Filings
CORRESP
Form CORRESP - Correspondence Apr 27, 2023

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