Skip to main content
Caplight Logo









Coast Fibers, Inc.

Coast Fibers, Inc.

Private
San Francisco, CaliforniaEnergy & Sustainabilityhttps://www.coastfibers.com/

Last Round

Seed Round

Feb 26, 2026

Company Overview

Coast Fibers, Inc. is a textile manufacturing company that produces sustainable and locally sourced textiles.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Circular Economy, Clean Manufacturing, Fashion & Beauty, Supply Chain

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

flax fiberlinen textilesbast fiberfarm-to-fabricsustainable textilesregenerative fiberdomestic manufacturingsupply chain localizationtraceable fiberslow fashiontextile manufacturingagricultural inputscircular economyagtech

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Coast Fibers, Inc. Comparables

Compare Coast Fibers, Inc. with similar companies based on industry and business-model similarity.

Coast Fibers, Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Green Mountain Linen Company
86%
Tuscarora Mills
83%
Field to Fiber Co.
82%

Coast Fibers, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Seed RoundFeb 26, 2026
GrantAug 10, 2023

Key People

Founding team and executive leadership

Will Altschwager

Co-Founder And CEO

Founding Team

Coast Fibers, Inc. Investors

Notable investors and investment history

Coast Fibers, Inc. investors
InvestorRounds
The Fibers FundGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 10, 2023

    Received funding from The Fibers Fund.

Coast Fibers, Inc. Filings

Explore SEC and related filing metadata, where available.

Coast Fibers, Inc. filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Coast Fibers, Inc.'s valuation, stock price, and market status.

Is Coast Fibers, Inc. a public or private company?

Coast Fibers, Inc. is a private company.

What is the current stock price of Coast Fibers, Inc.?

Coast Fibers, Inc. is a private company with no public stock price. No recent secondary market data is available.

How much is Coast Fibers, Inc. worth (valuation)?

Valuation information for Coast Fibers, Inc. is not publicly available.

Can I buy Coast Fibers, Inc. stock?

Coast Fibers, Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Coast Fibers, Inc.'s last funding round?

Coast Fibers, Inc.'s most recent funding round was Seed Round on February 26, 2026.

Who are the main investors in Coast Fibers, Inc.?

Key investors in Coast Fibers, Inc. include The Fibers Fund.

Will Coast Fibers, Inc. IPO soon?

No public IPO plans have been announced for Coast Fibers, Inc..

How can I track Coast Fibers, Inc. secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Coast Fibers, Inc.'s secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range4
Year Founded2025
Last FundingFeb 26, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?