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Alector, Inc. ALEC

Overview Business Profile Analyst Commentary Income Statement Balance Sheet Cash Flow Metrics & Ratios 10-Q 10-K

Quarterly (Descending) Quarterly (Ascending) Annual (Descending) Annual (Ascending) TTM (Descending) TTM (Ascending)

Financial statements are limited to most recent four years or quarters for non-powerpack users

Ten years worth of data (where available), most important trends and XLS exports are available for our Powerpack users.

	Dec '25	Dec '24	Dec '23	Dec '22	Dec '21	Dec '20	Dec '19	Dec '18	Dec '17	Dec '16
P/E ratio	0.00	0.00	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
P/S ratio	7.64	1.82	6.89	5.62	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
P/FCF ratio	0.00	0.00	0.00	0.00	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
P/Operating CF	(3.85)	(3.32)	(14.52)	(15.34)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
P/B ratio	5.24	1.44	4.99	3.50	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡
Price to Tangible BV	5.24	1.44	4.99	3.50	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡
EV/Sales	(4.07)	(2.12)	1.65	0.61	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
EV/EBITDA	0.56	1.42	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
EV/Operating CF	0.47	0.93	(0.87)	(3.98)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
EV/FCF	0.47	0.92	(0.86)	(3.31)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Quick Ratio	3.68	3.31	3.08	7.63	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Current Ratio	3.83	3.40	3.18	7.74	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Net Debt/EBITDA	1.61	2.68	3.47	5.13	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Debt/Assets	3.30%	2.00%	0.00%	5.50%	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡
Debt/Equity	0.32	0.07	0.00	0.20	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡
Asset Turnover	0.06	0.18	0.14	0.17	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Operating CF/Net income	1.29	1.93	1.41	0.15	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Capex/Depreciation	(0.01)	0.23	0.37	(0.56)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Depreciation/Fixed assets	0.31	(0.32)	(0.30)	0.29	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Interest Coverage	0.00	0.00	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
ROE	(181.56%)	(91.24%)	(74.81%)	(51.75%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
ROA	(37.54%)	(21.84%)	(18.50%)	(16.64%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
ROIC	0.00%	0.00%	0.00%	0.00%	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
Cash ROIC	(65.75%)	(44.95%)	(30.16%)	(4.72%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Return on Tangible Assets	(68.79%)	(37.57%)	(31.82%)	(20.26%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Accounts Receivable Turnover	0.00	0.00	0.00	26.78	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Accounts Payable Turnover	0.00	0.00	0.00	1.90	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
Inventory Turnover	—	—	—	0.00	‡‡‡	—	—	—	—	—
Average Days of Receivables	0.00	0.00	0.00	7.07	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Average Days of Payables	0.00	0.00	0.00	180.48	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
Days of Inventory on Hand	—	—	—	0.00	‡‡‡	—	—	—	—	—
Research and Development Expense of Revenue	584.77%	184.91%	197.93%	157.48%	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Selling, General and Administrative Expense of Revenue	256.53%	59.28%	58.40%	45.68%	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Intangible Assets out of Total Assets	0.00	0.00	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
Share Based Compensation of Revenue	126.67%	39.24%	44.09%	34.54%	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Graham Net Nets	0.02	0.46	0.12	0.20	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Graham Number	0.00	0.00	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡
Earnings Yield	(89.10%)	(65.08%)	(19.40%)	(17.69%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Free Cash Flow Yield	(114.56%)	(126.63%)	(27.88%)	(3.26%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Revenue per Share	0.20	1.04	1.16	1.62	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Operating CF per Share	(1.79)	(2.38)	(2.20)	(0.25)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Capex per Share	0.00	(0.01)	(0.03)	(0.05)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Free Cash Flow per Share	(1.79)	(2.39)	(2.23)	(0.30)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Cash per Share	2.49	4.28	6.55	8.64	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Shareholders Equity per Share	0.30	1.31	1.60	2.60	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡
Interest Debt per Share	0.00	0.00	0.00	0.00	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡	‡‡‡	‡‡‡
Book value per Share	0.30	1.31	1.60	2.60	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡
Free Cash Flow	(184.07)	(231.16)	(186.54)	(24.45)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Working Capital	196.95	299.76	387.86	632.63	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Capital Expenditures	(0.04)	(1.25)	(2.38)	(4.12)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Net Current Asset Value	3.86	83.31	78.14	153.23	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Average Receivables	—	—	—	4.99	‡‡‡‡‡	—	—	—	‡‡‡‡‡	‡‡‡‡‡
Average Payables	1.95	3.00	3.98	4.47	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Average Assets	380.77	545.07	704.74	801.15	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Average Common Equity	78.72	130.48	174.30	257.58	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
EV/EBIT	0.55	1.47	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Capex to Sales	0.00	0.01	0.02	0.03	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Net Profit Margin	(679.16%)	(118.39%)	(134.34%)	(99.77%)	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡	‡‡‡‡‡
Price to Operating Income	0.00	0.00	0.00	0.00	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡	‡‡‡

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