ALEC - CIK 0001653087
Alector, Inc. has filed 581 documents with the SEC between 2015 and 2026. The most frequent type is insider trade (255 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2025-11-12 | 2025-11-10 |
| Insider trade | 4 | 2025-11-12 | 2025-11-10 |
| SCHEDULE 13G/A | - | 2025-11-07 | - |
| Quarterly report | 10-Q | 2025-11-06 | 2025-09-30 |
| Major company event | 8-K | 2025-11-06 | 2025-11-06 |
| Major company event | 8-K | 2025-10-21 | 2025-10-20 |
| SCHEDULE 13G/A | - | 2025-10-17 | - |
| Insider trade | 4 | 2025-09-04 | 2025-09-02 |
| Insider trade | 4 | 2025-09-04 | 2025-09-02 |
| Insider trade | 4 | 2025-09-04 | 2025-09-02 |
| Insider trade | 4 | 2025-09-04 | 2025-09-02 |
| Insider sale notice | 144 | 2025-08-29 | - |
| Insider sale notice | 144 | 2025-08-29 | - |
| Insider sale notice | 144 | 2025-08-29 | - |
| Insider sale notice | 144 | 2025-08-29 | - |
| Insider trade | 4 | 2025-08-27 | 2025-08-26 |
| Insider sale notice | 144 | 2025-08-26 | - |
| SCHEDULE 13G/A | - | 2025-08-14 | - |
| Insider sale notice | 144 | 2025-08-08 | - |
| Quarterly report | 10-Q | 2025-08-07 | 2025-06-30 |
| Major company event | 8-K | 2025-08-07 | 2025-08-07 |
| Insider trade | 4 | 2025-07-01 | 2025-07-01 |
| Insider trade | 4 | 2025-07-01 | 2025-07-01 |
| Insider trade | 4 | 2025-07-01 | 2025-07-01 |
| New insider ownership | 3 | 2025-06-30 | 2025-06-20 |
| New insider ownership | 3 | 2025-06-30 | 2025-06-20 |
| Insider trade | 4 | 2025-06-23 | 2025-06-20 |
| Major company event | 8-K | 2025-06-13 | 2025-06-09 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-12 | 2025-06-11 |
| Insider trade | 4 | 2025-06-04 | 2025-06-02 |
| Insider trade | 4 | 2025-06-04 | 2025-06-02 |
| Insider trade | 4 | 2025-06-04 | 2025-06-02 |
| Insider sale notice | 144 | 2025-05-30 | - |
| Insider sale notice | 144 | 2025-05-30 | - |
| Insider sale notice | 144 | 2025-05-30 | - |
| Quarterly report | 10-Q | 2025-05-08 | 2025-03-31 |
| Major company event | 8-K | 2025-05-08 | 2025-05-08 |
| Insider trade | 4 | 2025-05-02 | 2025-05-02 |
| Annual report to shareholders | ARS | 2025-04-25 | 2024-12-31 |
| Proxy materials | DEFA14A | 2025-04-24 | - |
| Proxy statement | DEF 14A | 2025-04-24 | 2025-04-22 |
| SCHEDULE 13G/A | - | 2025-04-17 | - |
| Major company event | 8-K | 2025-03-28 | 2025-03-25 |
| Major company event | 8-K | 2025-03-10 | 2025-03-07 |