Alector, Inc. — SCHEDULE 13G/A Filings
10 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A filings submitted to the SEC by Alector, Inc. (ALEC), sorted by most recent first. Each row links to the full filing on EdgarLookup. Alector, Inc. has filed 10 SCHEDULE 13G/A documents with the SEC since 2015. To view all SEC filings by Alector, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
144
3
4
4/A
424B4
424B5
8-A12B
8-K
ARS
CERT
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
DRS
DRS/A
DRSLTR
EFFECT
FWP
POS AM
S-1
S-1/A
S-1MEF
S-3
S-3ASR
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-000550 | Mar 26, 2026 | — |
| SCHEDULE 13G/A | — | 0001493215-26-000024 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001193125-26-041267 | Feb 6, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-000060 | Jan 30, 2026 | — |
| SCHEDULE 13G/A | — | 0002012383-26-000735 | Jan 21, 2026 | — |
| SCHEDULE 13G/A | — | 0001193125-25-280330 | Nov 13, 2025 | — |
| SCHEDULE 13G/A | — | 0000315066-25-002908 | Nov 7, 2025 | — |
| SCHEDULE 13G/A | — | 0002012383-25-002827 | Oct 17, 2025 | — |
| SCHEDULE 13G/A | — | 0001415889-25-021996 | Aug 14, 2025 | — |
| SCHEDULE 13G/A | — | 0001576419-25-000687 | Apr 17, 2025 | — |