Alector (ALEC) Financials: History & Chart

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Alector, Inc.(ALEC)

Biotechnology · South San Francisco, CA

$1.82-0.17 (-8.71%)

Delayed quote: Oct 6, 2026, 2:49 PM EDT

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Financials

SEC Filings

Quarterly Income Statement (USD)

Swipe horizontally to review earlier periods. The line-item column stays pinned.

Quarterly Report	TTM	Quarter ended Jun 2026	Quarter ended Mar 2026	Quarter ended Dec 2025	Quarter ended Sep 2025	Quarter ended Jun 2025	Quarter ended Mar 2025	Quarter ended Dec 2024	Quarter ended Sep 2024
Revenue	13.86M	3.32M	1.05M	6.24M	3.26M	7.87M	3.67M	54.24M	15.34M
Cost of Goods Sold	63.90M	0.00	2.08M	32.46M	29.35M	27.61M	33.64M	46.46M	48.00M
Gross Profit	-50.03M	3.32M	-1.04M	-26.23M	-26.09M	-19.74M	-29.97M	7.78M	-32.66M
Gross Profit Margin	-360.9%	100.0%	-99.2%	-420.5%	-800.3%	-250.7%	-815.7%	14.3%	-212.9%
Total Operating Expenses	76.75M	27.71M	24.18M	13.34M	11.52M	14.40M	14.73M	15.03M	15.78M
Research & Development	95.63M	19.46M	17.86M	27.66M	30.65M	33.71M	37.94M	48.74M	53.50M
Selling, General & Administrative	38.30M	8.25M	8.11M	10.42M	11.52M	14.40M	14.73M	15.03M	15.78M
Operating Income (EBIT)	-126.79M	-24.39M	-25.22M	-39.57M	-37.61M	-34.14M	-44.70M	-7.25M	-48.43M
Operating Margin	-914.6%	-734.7%	-2411.0%	-634.4%	-1153.6%	-433.6%	-1216.5%	-13.4%	-315.7%
Income Before Tax (EBT)	-117.56M	-22.86M	-22.93M	-37.10M	-34.67M	-30.52M	-40.47M	-2.03M	-42.22M
Interest Income	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Interest Expense	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Other Income/Expense	9.23M	1.53M	2.29M	2.47M	2.94M	3.61M	4.22M	5.22M	6.21M
Net Income	-117.85M	-22.99M	-22.93M	-37.27M	-34.67M	-30.52M	-40.47M	-2.07M	-42.22M
Income Tax Expense	298K	130K	0.00	168K	0.00	0.00	0.00	48K	0.00
Net Profit Margin	-850.1%	-692.5%	-2192.2%	-597.5%	-1063.4%	-387.7%	-1101.6%	-3.8%	-275.2%
EBITDA	-117.07M	-20.26M	-23.14M	-37.31M	-36.37M	-30.92M	-42.85M	-5.17M	-46.24M
EBITDA Margin	-844.5%	-610.2%	-2211.8%	-598.2%	-1115.7%	-392.6%	-1166.2%	-9.5%	-301.4%
Depreciation & Amortization	9.71M	4.13M	2.08M	2.26M	1.24M	3.22M	1.85M	2.08M	2.19M
EPS Basic	-1.10	-0.21	-0.21	-0.34	-0.34	-0.30	-0.41	-0.02	-0.44
EPS Diluted	-1.10	-0.21	-0.21	-0.34	-0.34	-0.30	-0.41	-0.02	-0.44
Weighted Average Basic Shares	111.22M	111.22M	110.59M	103.00M	102.60M	100.37M	99.40M	98.32M	96.67M
Weighted Average Diluted Shares	111.22M	111.22M	110.59M	103.00M	102.60M	100.37M	99.40M	98.32M	96.67M

Annual Income Statement (USD)

Swipe horizontally to review earlier years. The line-item column stays pinned.

Annual Report	12/31/2025	12/31/2024	12/31/2023	12/31/2022	12/31/2021	12/31/2020	12/31/2019	12/31/2018
Revenue	21.05M	100.56M	97.06M	133.62M	207.09M	21.10M	21.22M	27.68M
Cost of Goods Sold	9.66M	185.94M	8.85M	0.00	189.41M	156.87M	100.53M	73.03M
Gross Profit	11.38M	-85.38M	88.21M	133.62M	17.68M	-135.77M	-79.31M	-45.35M
Gross Profit Margin	54.1%	-84.9%	90.9%	100.0%	8.5%	-643.5%	-373.8%	-163.9%
Total Operating Expenses	157.19M	59.62M	239.95M	271.45M	55.04M	59.40M	35.09M	84.97M
Research & Development	123.06M	209.24M	192.12M	210.42M	189.41M	156.87M	100.53M	73.03M
Selling, General & Administrative	53.99M	57.41M	56.69M	61.03M	55.04M	59.40M	33.94M	11.93M
Operating Income (EBIT)	-145.81M	-145.00M	-151.74M	-137.83M	-37.36M	-195.17M	-114.40M	-57.29M
Operating Margin	-692.8%	-144.2%	-156.3%	-103.2%	-18.0%	-925.1%	-539.2%	-207.0%
Income Before Tax (EBT)	-142.76M	-118.92M	-125.18M	-130.06M	-36.33M	-190.23M	-105.39M	-52.25M
Interest Income	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Interest Expense	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Other Income/Expense	3.05M	26.08M	26.56M	7.78M	1.03M	4.95M	9.02M	5.04M
Net Income	-142.93M	-119.05M	-130.39M	-133.31M	-36.33M	-190.23M	-105.39M	-52.25M
Income Tax Expense	168K	128K	5.21M	3.25M	0.00	0.00	0.00	0.00
Net Profit Margin	-679.2%	-118.4%	-134.3%	-99.8%	-17.5%	-901.6%	-496.7%	-188.8%
EBITDA	-136.15M	-136.16M	-142.89M	-129.36M	-29.05M	-187.91M	-110.63M	-56.27M
EBITDA Margin	-646.9%	-135.4%	-147.2%	-96.8%	-14.0%	-890.6%	-521.4%	-203.3%
Depreciation & Amortization	9.66M	8.84M	8.85M	8.47M	8.31M	7.26M	3.77M	1.02M
EPS Basic	-1.39	-1.23	-1.56	-1.62	-0.45	-2.45	-1.62	-0.76
EPS Diluted	-1.39	-1.23	-1.56	-1.62	-0.45	-2.45	-1.62	-0.76
Weighted Average Basic Shares	103.00M	96.59M	83.73M	82.47M	80.42M	77.76M	61.73M	68.37M
Weighted Average Diluted Shares	103.00M	96.59M	83.73M	82.47M	80.42M	77.76M	61.73M	68.37M

Values are displayed in USD. Negative numbers shown in red.

Values are displayed in USD. Negative numbers are shown in red.