WallStSmart
ALEC

Alector Inc

NASDAQ: ALEC · HEALTHCARE · BIOTECHNOLOGY

$2.37
+3.04% today

Updated 2026-04-30

Market cap
$265.97M
P/E ratio
P/S ratio
12.64x
EPS (TTM)
$-1.39
Dividend yield
52W range
$1 – $3
Volume
0.7M

Alector Inc (ALEC) Financial statements

SEC filings — annual and quarterly data.

Income statement — annual

Item2016201720182019202020212022202320242025
Revenue$416000.00$3.73M$27.68M$21.22M$21.10M$207.09M$133.62M$97.06M$100.56M$21.05M
Revenue growth (YoY)+797.8%+641.0%-23.3%-0.6%+881.5%-35.5%-27.4%+3.6%-79.1%
Cost of revenue$13.67M$29.91M$73.03M$100.53M$156.87M$189.41M$8.47M$8.85M$8.84M$9.66M
Gross profit$-13.26M$-26.18M$27.68M$21.22M$21.10M$207.09M$133.62M$88.21M$100.56M$11.38M
Gross margin-3187.0%-700.8%100.0%100.0%100.0%100.0%100.0%90.9%100.0%54.1%
R&D$13.67M$29.91M$73.03M$100.53M$156.87M$189.41M$210.42M$192.12M$185.94M$123.06M
SG&A$1.87M$6.50M$11.93M$35.09M$59.40M$55.04M$61.03M$56.69M$59.62M$53.99M
Operating income$-15.13M$-32.68M$-57.29M$-114.40M$-195.17M$-37.36M$-137.83M$-151.74M$-145.00M$-145.81M
Operating margin-3637.5%-874.9%-207.0%-539.2%-925.1%-18.0%-103.2%-156.3%-144.2%-692.8%
EBITDA$-14.93M$-32.00M$-56.27M$-108.83M$-187.91M$-29.05M$-129.36M$-142.89M$-136.16M$-133.10M
EBITDA margin-3589.2%-856.7%-203.3%-512.9%-890.6%-14.0%-96.8%-147.2%-135.4%-632.5%
EBIT$-15.13M$-32.68M$-57.29M$-114.40M$-195.17M$-37.36M$-137.83M$-151.74M$-145.00M$-142.76M
Interest expense$0.00$0.00$0.00$0.00$0.00$8.31M$16.25M
Income tax
Effective tax rate0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Net income$-15.11M$-32.48M$-52.25M$-99.81M$-182.96M$-28.01M$-133.31M$-130.39M$-119.05M$-142.93M
Net income growth (YoY)-115.0%-60.9%-91.0%-83.3%+84.7%-375.9%+2.2%+8.7%-20.1%
Profit margin-3632.2%-869.6%-188.8%-470.4%-867.2%-13.5%-99.8%-134.3%-118.4%-679.2%