Alector, Inc. Financial Ratios — 0Z2 Stock

Profitability (USD)

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Return on Common Equity (%)	- -	- -	- -	- -	-82.3	-12.79	-51.75	-74.81	-91.24	-181.56
Return on Assets (%)	- -	-22.39	-19.19	-28.86	-41.8	-5.58	-16.64	-18.5	-21.84	-37.54
Return on Capital (%)	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Return on Invested Capital (%)	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Gross Margin (%)	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EBITDA Margin (%)	-3,589.18	-856.73	-203.31	-512.89	-890.65	-14.03	-96.82	-147.22	-135.4	-695.4
Operating Margin (%)	-3,637.5	-874.94	-206.99	-539.16	-925.08	-18.04	-103.16	-156.33	-144.19	-741.3
Incremental Operating Margin (%)	- -	- -	- -	884.42	66,752.07	84.85	136.76	38.04	192.88	13.85
Pretax Margin (%)	-3,632.21	-869.61	-188.78	-496.65	-901.64	-17.54	-97.33	-128.97	-118.26	-678.36
Profit Margin (%)	-3,632.21	-869.61	-188.78	-496.65	-901.64	-17.54	-99.77	-134.34	-118.39	-679.16
Net Income to Common Margin (%)	-3,632.21	-869.61	-188.78	-496.65	-901.64	-17.54	-99.77	-134.34	-118.39	-679.16
Effective Tax Rate (%)	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Dvd Payout Ratio (%)	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Sustainable Growth Rate (%)	- -	- -	- -	- -	-82.3	-12.79	-51.75	-74.81	-91.24	-181.56

Credit (USD)

Credit Ratios API ChatGPT

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Total Debt	- -	- -	- -	48	51	48	43	39	43	36
ST Debt	- -	- -	- -	7	8	8	8	8	9	9
LT Debt	- -	- -	- -	41	44	40	35	30	34	27
Total Debt/EBITDA	- -	- -	- -	-0.44	-0.27	-1.64	-0.33	-0.27	-0.31	-0.25
Net Debt/EBITDA	3.4	1.01	1.16	0.82	0.27	11.33	1.19	0.52	0.17	0.38
Total Debt/EBIT	- -	- -	- -	-0.42	-0.26	-1.27	-0.31	-0.26	-0.29	-0.23
Net Debt/EBIT	3.36	0.99	1.14	0.78	0.26	8.81	1.12	0.49	0.16	0.36
EBITDA to Interest Expense	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EBITDA-CapEx/Interest Expense	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EBIT to Interest Expense	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Interest Expense	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Common Equity/Total Assets	-46.03	-22.04	-31.59	46.16	54.79	36.91	27.23	21.57	27.08	10.45
Long-Term Debt/Equity (%)	- -	- -	- -	21.3	16.35	13.24	16.45	22.7	26.63	87.48
Long-Term Debt/Capital (%)	- -	- -	- -	17.08	13.72	11.43	13.68	17.6	19.94	40.09
Long-Term Debt/Total Assets (%)	- -	- -	- -	9.83	8.96	4.89	4.48	4.9	7.21	9.14
Total Debt/Equity (%)	- -	- -	- -	24.67	19.16	15.83	20.2	29.01	33.53	118.22
Total Debt/Capital (%)	- -	- -	- -	19.79	16.08	13.67	16.81	22.49	25.11	54.17
Total Debt/Total Assets (%)	- -	- -	- -	11.39	10.5	5.84	5.5	6.26	9.08	12.36
Net Debt to Equity	204.11	62.37	67.22	-46.03	-18.68	-109.45	-71.96	-55.57	-18.64	-183.08
Net Debt/Capital (%)	67.12	38.41	40.2	-58.54	-18.59	-1,716.75	-149.18	-75.67	-17.34	-5,195.65
EBITDA	-15	-32	-56	-109	-188	-29	-129	-143	-136	-146
EBITDA-CapEx	-17	-33	-58	-124	-193	-32	-133	-145	-137	-146
Operating Income (Loss)	-15	-33	-57	-114	-195	-37	-138	-152	-145	-156

Liquidity (USD)

Liquidity Ratios API ChatGPT

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Cash Ratio	33.67	1.18	6.06	5.7	6.07	5.27	7.6	3.08	3.31	3.68
Current Ratio	33.9	8.5	6.11	5.77	6.19	5.37	7.74	3.18	3.4	3.83
Quick Ratio	33.81	8.49	6.06	5.7	6.07	5.32	7.63	3.08	3.31	3.68
CFO/Avg Current Liab	- -	-1.23	3.38	-1.81	-2.56	2.88	-0.17	-1.36	-1.52	-1.89
Common Equity/Total Assets	-46.03	-22.04	-31.59	46.16	54.79	36.91	27.23	21.57	27.08	10.45
Long-Term Debt/Equity (%)	- -	- -	- -	21.3	16.35	13.24	16.45	22.7	26.63	87.48
Long-Term Debt/Capital (%)	- -	- -	- -	17.08	13.72	11.43	13.68	17.6	19.94	40.09
Long-Term Debt/Total Assets (%)	- -	- -	- -	9.83	8.96	4.89	4.48	4.9	7.21	9.14
Total Debt/Equity (%)	- -	- -	- -	24.67	19.16	15.83	20.2	29.01	33.53	118.22
Total Debt/Capital (%)	- -	- -	- -	19.79	16.08	13.67	16.81	22.49	25.11	54.17
Total Debt/Total Assets (%)	- -	- -	- -	11.39	10.5	5.84	5.5	6.26	9.08	12.36
CFO/Total Liabilities	-16.44	-6.17	31.41	-43.72	-75.54	58.09	-3.55	-37.76	-67.32	-70.08
CFO/CapEx	-5.77	-22.19	67.66	-6.51	-33.13	91.95	-4.94	-77.35	-183.19	-4,488.56
Altman's Z-Score	- -	- -	- -	2.47	1.71	2.26	0.35	-0.67	-2.21	-5.14

Working Capital (USD)

Working Capital Ratios API ChatGPT

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Accounts Receivable Turnover	- -	16.38	232.58	- -	- -	- -	- -	- -	- -	- -
Days Sales Outstanding	- -	22.28	1.57	- -	- -	- -	- -	- -	- -	- -
Inventory Turnover	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Days Inventory Outstanding	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Accounts Payable Turnover	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Accounts Payable Turnover Days	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Cash Conversion Cycle	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Inventory to Cash Days	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Inventories	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Raw Materials	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Work In Process	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Finished Goods	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Other Inventory	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -

Enterprise Value (USD)

Enterprise Value API ChatGPT

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Market Capitalization	- -	- -	- -	1,214	1,210	1,737	792	675	175	167
- Cash & Cash Equivalents	51	32	65	90	50	329	154	75	33	66
+ Preferred Equity and Hybrid Capital	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
+ Minority/Non Controlling Interest	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
+ Total Debt	- -	- -	- -	48	51	48	43	39	43	36
Enterprise Value	- -	- -	- -	909	848	1,049	122	165	-196	-53
Total Capital	-25	-52	-97	243	319	348	258	173	169	67
Total Debt/Capital (%)	- -	- -	- -	19.79	16.08	13.67	16.81	22.49	25.11	54.17
Total Debt / EV	- -	- -	- -	0.05	0.06	0.05	0.35	0.24	-0.22	-0.69
EV/Sales	- -	- -	- -	42.86	40.19	5.07	0.91	1.7	- -	- -
EV/EBITDA	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/EBIT	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/Cash Flow to Firm	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/Free Cash Flow to Firm	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Diluted Market Cap	- -	- -	- -	1,086	1,186	1,704	787	666	171	156
Diluted Enterprise Value	- -	- -	- -	781	824	1,016	118	156	-200	-64
EV per Share	- -	- -	- -	13.17	10.69	12.8	1.47	1.94	- -	- -
TTM Sales	- -	4	28	21	21	207	134	97	101	21
TTM EBITDA	-15	-32	-56	-109	-188	-29	-129	-143	-136	-146
TTM Operating Income	-15	-33	-57	-114	-195	-37	-138	-152	-145	-156
TTM Cash Flow to Firm	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
TTM Free Cash Flow to Firm	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -

Multiples (USD)

Valuation Multiples API ChatGPT

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Price/Free Cash Flow	- -	- -	- -	-9.48	-6.91	5.77	-32.21	-3.57	-0.74	-0.85
EV/EBIT	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Enterprise Value	- -	- -	- -	909	848	1,049	122	165	-196	-53
Low Price	- -	- -	- -	14.05	9.26	14.76	6.99	3.71	1.77	0.9
EV/Sales	- -	- -	- -	42.86	40.19	5.07	0.91	1.7	- -	- -
EV/EBITDA	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Price/Earnings	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Price/Earnings Average	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Price/Earnings High	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Price/Earnings Low	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Price/Book Value	- -	- -	- -	6.24	4.52	5.78	3.69	5.03	1.38	5.46
Price/Book Value Average	- -	- -	- -	6.58	6.05	5.99	4.38	4.36	4.08	6.2
Price/Book Value High	- -	- -	- -	9.2	10.51	11.52	8.08	6.17	6.66	12.15
Price/Book Value Low	- -	- -	- -	4.98	2.74	4.02	2.7	2.35	1.38	3.23
Price/Tangible Book Value	- -	- -	- -	6.24	4.52	5.78	3.69	5.03	1.38	5.46
Price/Tangible Book Value Average	- -	- -	- -	6.58	6.05	5.99	4.38	4.36	4.08	6.2
Price/Tangible Book Value High	- -	- -	- -	9.2	10.51	11.52	8.08	6.17	6.66	12.15
Price/Tangible Book Value Low	- -	- -	- -	4.98	2.74	4.02	2.7	2.35	1.38	3.23
Price/Sales	- -	- -	- -	51.17	56.23	8.23	5.89	6.86	1.7	7.42
Price/Sales Average	- -	- -	- -	53.95	75.15	8.53	6.99	5.94	5.02	8.43
Price/Sales High	- -	- -	- -	75.49	130.69	16.4	12.91	8.42	8.19	16.51
Price/Sales Low	- -	- -	- -	40.87	34.12	5.73	4.32	3.2	1.7	4.4
Price/Cash Flow	- -	- -	- -	-10.93	-7.11	5.71	-38.74	-3.61	-0.74	-0.85
Price/Cash Flow Average	- -	- -	- -	-11.53	-9.51	5.92	-45.95	-3.13	-2.19	-0.96
Price/Cash Flow High	- -	- -	- -	-16.13	-16.54	11.38	-84.83	-4.44	-3.58	-1.89
Price/Cash Flow Low	- -	- -	- -	-8.73	-4.32	3.98	-28.37	-1.69	-0.74	-0.5
Price/Free Cash Flow Average	- -	- -	- -	-9.99	-9.23	5.98	-38.21	-3.09	-2.18	-0.96
Price/Free Cash Flow High	- -	- -	- -	-13.98	-16.05	11.5	-70.54	-4.38	-3.56	-1.89
Price/Free Cash Flow Low	- -	- -	- -	-7.57	-4.19	4.02	-23.6	-1.67	-0.74	-0.5
EV/Sales Average	- -	- -	- -	45.97	59.49	5.37	2.02	0.77	1.46	- -
EV/Sales High	- -	- -	- -	70.06	116.15	13.4	7.96	3.28	4.72	7.25
EV/Sales Low	- -	- -	- -	31.34	17.64	2.52	- -	- -	- -	- -
EV/EBITDA Average	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/EBITDA High	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/EBITDA Low	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/EBIT Average	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/EBIT High	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
EV/EBIT Low	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Last Price	- -	- -	- -	17.59	15.26	21.19	9.55	7.95	1.77	1.52
High Price	- -	- -	- -	25.95	35.46	42.25	20.91	9.76	8.53	3.37
Enterprise Value Average	- -	- -	- -	976	1,255	1,113	270	74	146	-30
Enterprise Value High	- -	- -	- -	1,487	2,451	2,776	1,064	318	474	153
Enterprise Value Low	- -	- -	- -	665	372	523	-90	-195	-196	-121

Per Share Data Items (USD)

Per-Share Data API ChatGPT

	2016 Y	2017 Y	2018 Y	2019 Y	2020 Y	2021 Y	2022 Y	2023 Y	2024 Y	2025 Y
As of date	12/31/2016	12/31/2017	12/31/2018	12/31/2019	12/31/2020	12/31/2021	12/31/2022	12/31/2023	12/31/2024	12/31/2025

Shares Outstanding	68	68	68	69	79	82	83	85	99	110
Diluted Weighted Avg Shares	51	51	68	62	78	80	82	84	97	103
Basic Weighted Avg Shares	51	51	68	62	78	80	82	84	97	103
Revenue per Share	0.01	0.07	0.4	0.34	0.27	2.58	1.62	1.16	1.04	0.2
EBITDA per Share	-0.29	-0.62	-0.82	-1.76	-2.42	-0.36	-1.57	-1.71	-1.41	-1.42
Operating Income per Share	-0.3	-0.64	-0.84	-1.85	-2.51	-0.46	-1.67	-1.81	-1.5	-1.51
Basic EPS, GAAP	-0.29	-0.63	-0.76	-1.71	-2.45	-0.45	-1.62	-1.56	-1.23	-1.39
Basic EPS from Cont Ops	-0.29	-0.63	-0.76	-1.71	-2.45	-0.45	-1.62	-1.56	-1.23	-1.39
Diluted EPS, GAAP	-0.29	-0.63	-0.76	-1.71	-2.45	-0.45	-1.62	-1.56	-1.23	-1.39
Diluted EPS from Cont Ops	-0.29	-0.63	-0.76	-1.71	-2.45	-0.45	-1.62	-1.56	-1.23	-1.39
Dividend per Share	- -	- -	- -	- -	- -	- -	- -	- -	- -	- -
Cash Flow per Share	-0.25	-0.35	1.86	-1.61	-2.14	3.71	-0.25	-2.2	-2.38	-1.79
Free Cash Flow per Basic Share	-0.3	-0.36	1.84	-1.86	-2.21	3.67	-0.3	-2.23	-2.39	-1.79
Cash & Equivalents per Share	0.74	0.47	4.25	5.11	5.21	8.97	8.6	6.47	4.17	2.32
Book Value per Share	-0.36	-0.76	-1.42	2.82	3.37	3.67	2.59	1.58	1.28	0.28
Tangible Book Value per Share	-0.36	-0.76	-1.42	2.82	3.37	3.67	2.59	1.58	1.28	0.28