Form D · Other

Coast Fibers, Inc.

San Francisco, CA · CIK 0002090514

Offering snapshot reported Oct 28, 2026 · SEC filing

Reported sold
$1.97M
Offering amount: $4M
Investors reported
23
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Oct 2, 2025
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$983K$1.97MOct 9, 2025: $835,000.00Oct 9, 2025Feb 26, 2026: $1,235,000.00Feb 26, 2026Oct 28, 2026: $1,966,967.00Oct 28, 2026

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

  • Reported sold$1,235,000 → $1,966,967
  • Reported investors15 → 23

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Oct 28, 2026Amendment$1,966,967$731,967vs Feb 26, 202623SEC filing
Feb 26, 2026Amendment$1,235,000$400,000vs Oct 9, 202515SEC filing
Oct 9, 2025Initial$835,000No comparison9SEC filing

Offering details

Securities
Equity
Exemptions
06b
Duration over one year
Yes
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-560326
Series A Preferred Stock Offering, as amended

Source: Form D, filed Oct 28, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

No confirmed ADV fund connection is available for this issuer.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
NameReported role
William Altschwager Director, Executive

Issuer details

Industry: Other (See others in industry)

Address:
1155 Filbert Street, #202
San Francisco, CA, 94109