ALEC

Alector, Inc.
—

Company Information

Company Name
Alector, Inc.
CIK
CIK0001653087
Category
Accelerated filer<br>Smaller reporting company
Ticker: Exchange
ALEC: Nasdaq
Fiscal Year End
December 31
Owner Organization
03 Life Sciences
SIC
2836
SIC Description
Biological Products, (No Diagnostic Substances)
Ticker
ALEC

SEC filing data through

Insider Sentiment

Last purchase
—
Last sale
2026-09-04
Shares purchased (TTM)
0
Shares sold (TTM)
541,487
Buy ratio (TTM)0.0%

Institutional Sentiment

As of
2026-06-30
Institutional shares owned
87,570,227
Shares outstanding
111,224,116
Ownership
78.73%
+16.08% Y/Y

Earnings Market Reaction

Filing date
2026-08-06
Price on filing date
—
1-month reaction
27.87%
3-month reaction
…
Drift continued6/11 (55%)
Faded / reversed5/11 (45%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-302025-03-312024-12-312024-09-302024-06-302024-03-312023-12-312023-09-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Assets Current
Cash And Cash Equivalents At Carrying Value6077667745383337487375102
Marketable Securities Current113130190215263317380420456490474487
Prepaid Expense And Other Assets Current791091212111216191714
Assets Current180215266300319367425469520581566613
Property Plant And Equipment Net91011131416171820212223
Operating Lease Right Of Use Asset121314161719202123242526
Restricted Cash Noncurrent222222222222
Other Assets Noncurrent000445566779
Assets203240293335356408468516571635622672
Liabilities Current
Accounts Payable Current212522254545
Accrued Liabilities Current71119181417292623193030
Contract With Customer Liability Current077121322245564738381
Contract With Customer Refund Liability Current0011223445493839383924
Operating Lease Liability Current999999999988
Short Term Borrowings-10---0-----
Long Term Debt Current10-----------
Liabilities Current3441708084110125143148165178155
Contract With Customer Liability Noncurrent163163165167169170172193200205211230
Long Term Debt Noncurrent089101099---0-
Contract With Customer Refund Liability Noncurrent--000093544576792
Operating Lease Liability Noncurrent141617192123242628293032
Other Liabilities Noncurrent222111111111
Liabilities213230263278285314342397420457488510
Stockholders Equity
Common Stock Value000000000000
Additional Paid In Capital1,0081,0051,003992971964956945936925844832
Accumulated Other Comprehensive Income Loss Net Of Tax-0-0000001-1-00-1
Retained Earnings Accumulated Deficit-1,018-995-972-935-900-870-829-827-785-746-710-669
Stockholders Equity-101031587195127119151179134163
Liabilities And Stockholders Equity203240293335356408468516571635622672
Common Stock Par Or Stated Value Per Share0.000.000.000.000.000.000.000.000.000.000.000.00
Common Stock Shares Authorized200200200200200200200200200200200200
Common Stock Shares Issued112111110107101100999897968584
Shares Outstanding112111110107101100999897968584

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Alector, Inc. (ALEC) — SEC Financial Statements & Analysis

Alector, Inc. (ALEC) is a biological products, (no diagnostic substances) company. Alector, Inc. trades on Nasdaq as: ALEC. Alector, Inc. (ALEC)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06. Based on that filing, Alector, Inc. carries a market cap of $223.56M, a P/E ratio of -1.90x, a P/B ratio of -22.42x, a P/S ratio of 16.13x, an enterprise value of $171.65M, and an EV/EBITDA multiple of -1.41x. On profitability, it posts an operating margin of -912.40%, a net margin of -850.13%, a Return on Equity (ROE) of -385.11%, a Return on Assets (ROA) of -42.15%, and a Return on Invested Capital (ROIC) of -194.53%. Per share, it reports EPS of $-1.06, diluted EPS of $-1.06, free cash flow per share of $-1.42, and a dividend per share of $0.00. Over the trailing year, it posted revenue growth of -82.91% year-over-year, net income growth of 2.22% year-over-year, and EPS growth of -7.75% year-over-year. On the balance sheet, it maintains a current ratio of 5.26x, a quick ratio of 5.05x, working capital of $145.85M, a debt-to-equity ratio of -21.35x, a debt ratio of 1.05, free cash flow of $-158.39M (TTM), and net debt of $-51.91M. Figures sourced from SEC EDGAR.

Market Cap
$223.56M
P/E TTM
-1.90x
EPS TTM
$-1.06
P/B TTM
-22.42x
ROE TTM
-385.11%
ROA TTM
-42.15%
Debt To Equity
-21.35x
Free Cash Flow TTM
$-158.39M
Net Revenue TTM Growth 1Y
-82.91%

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is Alector, Inc. in?

Alector, Inc. (ALEC) operates in the Biological Products, (No Diagnostic Substances) industry.

What exchange does ALEC trade on?

Alector, Inc. (ALEC) trades on the Nasdaq.

When was Alector, Inc. (ALEC)'s most recent SEC filing?

Alector, Inc. (ALEC)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06.

What is ALEC's market cap?

Alector, Inc. (ALEC) has a market capitalization of $223.56M as of 2026-06-30.

What is ALEC's EPS (earnings per share)?

Alector, Inc. (ALEC)'s trailing twelve month EPS is $-1.06 as of 2026-06-30.

What is ALEC's ROE (return on equity)?

Alector, Inc. (ALEC)'s trailing twelve month Return on Equity (ROE) is -385.11% as of 2026-06-30.

What is ALEC's ROA (return on assets)?

Alector, Inc. (ALEC)'s trailing twelve month Return on Assets (ROA) is -42.15% as of 2026-06-30.

What is ALEC's ROIC (return on invested capital)?

Alector, Inc. (ALEC)'s trailing twelve month Return on Invested Capital (ROIC) is -194.53% as of 2025-06-30.

What is ALEC's EV/EBITDA?

Alector, Inc. (ALEC)'s trailing twelve month EV/EBITDA is -1.41x as of 2026-06-30.

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