# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001564590-21-008860
Filing Date
2021-02-25
Accepted
2021-02-25 16:20:04
Documents
86
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | alec-10k_20201231.htm | 10-K | 2961031
2 | EX-4.3 | alec-ex43_9.htm | EX-4.3 | 38420
3 | EX-21.1 | alec-ex211_881.htm | EX-21.1 | 1216
4 | EX-23.1 | alec-ex231_6.htm | EX-23.1 | 5617
5 | EX-31.1 | alec-ex311_7.htm | EX-31.1 | 19984
6 | EX-31.2 | alec-ex312_12.htm | EX-31.2 | 20119
7 | EX-32.1 | alec-ex321_11.htm | EX-32.1 | 9447
8 | EX-32.2 | alec-ex322_8.htm | EX-32.2 | 9484
9 | GRAPHIC | gou0qrw2itv5000004.jpg | GRAPHIC | 50900
10 | GRAPHIC | gou0qrw2itv5000011.jpg | GRAPHIC | 89743
11 | GRAPHIC | gou0qrw2itv5000007.jpg | GRAPHIC | 74361
12 | GRAPHIC | gou0qrw2itv5000016.jpg | GRAPHIC | 71008
13 | GRAPHIC | gou0qrw2itv5000005.jpg | GRAPHIC | 66943
14 | GRAPHIC | gou0qrw2itv5000013.jpg | GRAPHIC | 84125
15 | GRAPHIC | gou0qrw2itv5000014.jpg | GRAPHIC | 34697
16 | GRAPHIC | gou0qrw2itv5000020.jpg | GRAPHIC | 82592
17 | GRAPHIC | gou0qrw2itv5000018.jpg | GRAPHIC | 27489
18 | GRAPHIC | gou0qrw2itv5000019.jpg | GRAPHIC | 53419
19 | GRAPHIC | gou0qrw2itv5000003.jpg | GRAPHIC | 96031
20 | GRAPHIC | gou0qrw2itv5000015.jpg | GRAPHIC | 72002
21 | GRAPHIC | gou0qrw2itv5000021.jpg | GRAPHIC | 203964
22 | GRAPHIC | gou0qrw2itv5000017.jpg | GRAPHIC | 58591
23 | GRAPHIC | gou0qrw2itv5000009.jpg | GRAPHIC | 58139
24 | GRAPHIC | gou0qrw2itv5000012.jpg | GRAPHIC | 43660
25 | GRAPHIC | gou0qrw2itv5000002.jpg | GRAPHIC | 156767
26 | GRAPHIC | gou0qrw2itv5000010.jpg | GRAPHIC | 104893
27 | GRAPHIC | gou0qrw2itv5000001.jpg | GRAPHIC | 94071
28 | GRAPHIC | gou0qrw2itv5000008.jpg | GRAPHIC | 94646
29 | GRAPHIC | gou0qrw2itv5000006.jpg | GRAPHIC | 111560
| Complete submission text file | 0001564590-21-008860.txt |  | 10652849

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
30 | XBRL INSTANCE DOCUMENT | alec-20201231.xml | EX-101.INS | 1569540
31 | XBRL TAXONOMY EXTENSION SCHEMA | alec-20201231.xsd | EX-101.SCH | 44855
32 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | alec-20201231_cal.xml | EX-101.CAL | 61788
33 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | alec-20201231_def.xml | EX-101.DEF | 161845
34 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | alec-20201231_lab.xml | EX-101.LAB | 441768
35 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | alec-20201231_pre.xml | EX-101.PRE | 319070

Mailing Address 151 OYSTER POINT BLVD., SUITE 300 SOUTH SAN FRANCISCO CA 94080
Business Address 151 OYSTER POINT BLVD., SUITE 300 SOUTH SAN FRANCISCO CA 94080 415-231-5660
Alector, Inc. (Filer) CIK: 0001653087 (see all company filings)

EIN.: 462702363 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38792 | Film No.: 21680631
SIC: 2836 Biological Products, (No Diagnostic Substances)