Form D · Venture Capital Fund

MAINSPRING FUNDING LLC

West Palm Beach, FL · CIK 0001969148

Offering snapshot reported Jun 23, 2026 · SEC filing

Reported sold: $712K
Investors reported: 34
Minimum accepted: $0
First sale: Jun 8, 2026

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

Scroll to see all columns →

Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Jun 23, 2026	Initial	$711,974	No comparison	34	SEC filing
Mar 13, 2023	Initial	$6,830,000	No comparison	34	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06b, 3C, 3C.1
Duration over one year: No
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-588181

Source: Form D, filed Jun 23, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

MAINSPRING FUNDING LLC

Investment adviser: CLEARSKY ADVISORS LLC

Gross asset value: $4.52M
Beneficial owners: 37
ADV minimum commitment: $0

Reported in Form ADV on Mar 27, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator LEVERPOINT MANAGEMENT, LLC (DBA ULTIMUS LEVERPOINT PRIVATE FUND SOLUTIONS) CLIFTON PARK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor PRICEWATERHOUSECOOPERS LLP TAMPA, Florida, United States

Custodian SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY SANTA CLARA, California, United States Related to adviser: No

Custodian STIFEL BANK ST. LOUIS, Missouri, United States Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

Filing source

Form ADV 2043442 · Mar 27, 2026 · Schedule D 7.B.(1), fund 805-5280580242

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Related funds

Funds whose names form a numbered series with this one and that share its city or the name of a related person. Form D does not state how these funds are related.

Fund	Latest Form D	Reported sold	Investors
MAINSPRING FUNDING LLC (this fund)	Jun 23, 2026	$711,974	34
Mainspring Funding II LLC	Jul 22, 2026	$2,930,750	13

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
Name	Reported role
N/A Mainspring Funding Manager Llc	Director, Executive, Promoter
Alexander Weiss	Director, Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

C/O Mainspring Funding Manager Llc 525 Okeechobee Blvd., Suite 800
West Palm Beach, FL, 33401