Fundraising Fox

Coast Fibers

San Francisco, US · Founded 2024 · Delaware corporation

Founders & leadership

WA
William AltschwagerExecutive

Reported raises · per SEC filings

Form D private placements

$1.2M disclosed across 1 round · 2025

$1.2MraisedFeb 2026 · 15 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • William AltschwagerExecutive Officer, Director
Offering amount
$4M
Amount sold
$1.2M
First sale
Oct 2025
Incorporated
Corporation, Delaware, 2024
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

How much funding has Coast Fibers raised?
Coast Fibers has disclosed $1.2M raised across 1 round.
Where is Coast Fibers headquartered?
Coast Fibers is headquartered in San Francisco, US.