# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-26-186941
Filing Date
2026-04-28
Accepted
2026-04-28 16:06:02
Documents
2

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | alec-20260422.htm | DEFA14A | 27777
2 | GRAPHIC | img214297469_0.jpg | GRAPHIC | 2691077
| Complete submission text file | 0001193125-26-186941.txt |  | 3732997

Mailing Address 131 OYSTER POINT BLVD., SUITE 600 SOUTH SAN FRANCISCO CA 94080
Business Address 131 OYSTER POINT BLVD., SUITE 600 SOUTH SAN FRANCISCO CA 94080 415-231-5660
Alector, Inc. (Filer) CIK: 0001653087 (see all company filings)

EIN.: 822933343 | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-38792 | Film No.: 26907612
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)