Alector, Inc. (ALEC)
Latest ALEC Insider Trades
About Alector, Inc. (ALEC)
Alector Inc is a clinical-stage biotechnology company focused on developing therapies for neurodegenerative diseases. The company advances a pipeline of product candidates including Nivisnebart (AL101/GSK4527226) for Alzheimer's disease, AL137 for Alzheimer's disease, AL050 for Parkinson's disease and Lewy body dementia, and AL064, an siRNA program targeting tau for Alzheimer's disease and other tauopathies, supported by its proprietary Alector Brain Carrier (ABC) platform designed to improve delivery of therapeutics across the blood-brain barrier.
- SOUTH SAN FRANCISCO, CA
- 103
- 2019
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 115,760 | $228K |
| Grant or award | 16 | 297,883 | |
| Bona-fide gift | 4 | 2,100,000 |
ALEC Insider Transactions (Form 4)
4449 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Arnon Rosenthal - Officer | Gift | Common Stock | 1,050,000 |
Recent ALEC Form 8-K Filings
5Recent ALEC Form 144 Notices of Proposed Sale
3A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - |
ALEC Insider Trading - FAQ
What is the latest insider trade for ALEC?
Alector, Inc. (ALEC) had 13 insider filings in the last 90 days, with the most recent on 2026-08-21. The full record for ALEC runs to 49 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying ALEC stock?
No insider purchases of ALEC were filed in the last 90 days.
How many insiders are selling ALEC stock?
4 insider sales of ALEC were filed in the last 90 days, totaling $228K.
Where can I see ALEC SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks ALEC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow ALEC insider buys?
Create a free InsiderAlpha account and press Watch on this page to add ALEC to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Arnon Rosenthal view on EDGAR
- - Grace Wong-Sarad view on EDGAR
- - Kristine Yaffe view on EDGAR
- - Richard H. Scheller view on EDGAR
- - Paula Hammond view on EDGAR
- - Elizabeth A. Garofalo view on EDGAR
- - Mark Altmeyer view on EDGAR
- - Errol B. Desouza view on EDGAR
- - Louis J. Lavigne Jr. view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Health Care
- Where ALEC's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track ALEC insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.