Form D · Other Technology

Compact Membrane Systems, Inc.

New Castle, DE · CIK 0001975037

Offering snapshot reported Dec 4, 2025 · SEC filing

Reported sold
$10.3M
Offering amount: $20M
Investors reported
4
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Nov 24, 2025
As reported in this filing

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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FiledFiling typeReported soldChange vs linked filingInvestorsSource
Dec 4, 2025Initial$10,299,968No comparison4SEC filing
Aug 4, 2023Amendment$16,499,959$3,999,993vs Apr 28, 20235SEC filing
Apr 28, 2023Initial$12,499,966No comparison4SEC filing

Offering details

Securities
Equity
Exemptions
06b
Duration over one year
No
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-565788

Source: Form D, filed Dec 4, 2025. 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
Bill Charlton Executive
Chris Erickson Director
Erica Nemser Director, Executive
Bennett Nemser Director
Guido Radaelli Director
Tony Sun Director

Issuer details

Industry: Other Technology (See others in industry)

Address:
15 Reads Way Suite 100
New Castle, DE, 19720