# Alector LLC: Form D filing

Alector LLC, a biotechnology company in San Francisco, CA, filed a Form D with the SEC in 2015. The latest, on September 16, 2015, reports $32.3 million sold of a $32.3 million offering to 11 investors.

Find out what Alector LLC does, who founded it and who invested, beyond what the filing says. $10 of credit on sign-up, no card.

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## The full lists

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- [Form D filings in California](https://specstream.ai/data/form-d/state/california): 5,891 rows, by operating companies, filed since November 1, 2024, $138.91, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/form-d/state/california
- [Form D filings in Biotechnology](https://specstream.ai/data/form-d/industry/biotechnology): 1,568 rows, by operating companies, filed since November 1, 2024, $78.40, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/form-d/industry/biotechnology

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## Company details from the filing

- Address: 953 INDIANA STREET, San Francisco, CA, 94107
- Phone: (415) 231-5660
- Industry: Biotechnology
- Entity type: Limited Liability Company
- Incorporated in: Delaware
- Year incorporated: 2013
- Revenue range: Decline to Disclose
- Exemptions claimed: Rule 506(b)
- SEC identifier (CIK): 1653087

## Form D filings

| Filed | Type | Offering | Sold | Remaining | Investors | First sale | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Sep 16, 2015 | New notice | $32,275,003 | $32,275,003 | $0 | 11 | Sep 1, 2015 | [sec.gov](https://www.sec.gov/Archives/edgar/data/1653087/000165308715000001/0001653087-15-000001-index.htm) |

## Executive officers and directors named in the filing

| Name | Role | Note in the filing |
| --- | --- | --- |
| Carl Gordon | Director |  |
| Tillman Gerngross | Director |  |
| Arnon Rosenthal | Executive Officer, Director |  |
| Terry McGuire | Director |  |

## Other biotechnology companies in California that filed recently

- [CARI Health, Inc.](https://specstream.ai/data/form-d/company/cari-health-inc-1930994) $280,000 · Nov 6, 2026
- [Ausel, Inc.](https://specstream.ai/data/form-d/company/ausel-inc-2124022) $120,000 · Nov 4, 2026
- [Trellis Bioscience, Inc.](https://specstream.ai/data/form-d/company/trellis-bioscience-inc-1162015) $9.1 million · Oct 29, 2026
- [BigHat Biosciences, Inc.](https://specstream.ai/data/form-d/company/bighat-biosciences-inc-1797256) $75.1 million · Oct 26, 2026
- [Theravie Pharma, Inc.](https://specstream.ai/data/form-d/company/theravie-pharma-inc-2160768) $750,000 · Oct 19, 2026
- [Adela, Inc.](https://specstream.ai/data/form-d/company/adela-inc-1852167) $12 million · Oct 19, 2026

[Every Form D from the week of Sep 14, 2015](https://specstream.ai/data/form-d/week/2015-09-14) · [All recent filings in California](https://specstream.ai/data/form-d/state/california) · [All recent Biotechnology filings](https://specstream.ai/data/form-d/industry/biotechnology)

Read from SEC EDGAR. Amount sold is what Alector LLC reported on the day it filed; on an offering that is still open, a later amendment can raise it. Free to reuse with credit to SpecStream under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).