Alector, Inc. (ALEC)
Alector, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.
Alector, Inc. (ALEC) is a Biotechnology company based in US with a market capitalization of $171M. Revenue declined 79.1% year-over-year and free cash flow was negative at -$184.1M. This page tracks ALEC's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.
US · 175 employees · IPO Feb 7, 2019
Valuation
Valuation & price
$2.16as of May 17, 2026· -34.9% vs 52w high
—
P/E ratio
Latest-FY diluted EPS
5.58
P/B ratio
Market cap ÷ book equity
—
Dividend yield
Price — last 12 months
Fundamentals
Key fundamentals
$171M
Market cap
-79.1%
Revenue growth (YoY)
54.1%
Gross margin
-$184.1M
Free cash flow (USD)
-$219.8M
Net debt
Net cash position
6.6%
Share dilution
0/5
Graham criteria passed
Defensive-investor screen
Healthcare
Sector
Trajectory
Long-term trends
Revenue by year
2016 → 2025
Free cash flow by year
2016 → 2025
Gross margin by year
2021 → 2025
Value screen
Graham defensive-investor tests
0
Insider buys · 90 days
3
Insider sells · 90 days
Earnings
Last report: 10-Q filed May 7, 2026
Next expected: not yet scheduled
On the tape
Recent SEC & insider activity
- 8-K eventJul 8, 2026Filing
Agreement Termination
- 8-K eventJun 17, 2026Filing
Annual Meeting Results
- Insider sellJun 3, 2026Filing
Insider Sell $38KBerkley Neil Lindsay · CFO & Chief Business Officer · $38.2K
- Insider sellJun 3, 2026Filing
Insider Sell $18K · 10b5-1 PlanWong-Sarad Grace · Principal Accounting Officer · $17.8K
- Insider sellJun 3, 2026Filing
Insider Sell $172KRosenthal Arnon · Director, Chief Executive Officer · $172.2K
- 8-K eventMay 7, 2026Filing
Earnings Release
- Quarterly reportMay 7, 2026Filing
10-Q Filed
- 8-K eventMay 7, 2026Filing
Common Stock Sales Agreement
- Insider sellApr 17, 2026Filing
Insider Sell $5K · 10b5-1 PlanWong-Sarad Grace · Principal Accounting Officer · $4.8K
Questions
Frequently asked questions
What is Alector, Inc.'s market cap?
Alector, Inc. (ALEC) has a market capitalization of $171M.
What is ALEC's P/E ratio?
A meaningful P/E ratio is not available for ALEC — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.
What is ALEC's price-to-book (P/B) ratio?
ALEC trades at 5.58 times book value per share.
Are insiders buying ALEC stock?
SEC Form 4 filings show no open-market insider buys at Alector, Inc. in the last 90 days (3 sells).
Same arena
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Timeline
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Filing Analyzer
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News
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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.