Form D · Other Investment Fund

Proteus Series Feeder Fund III, LLC - Series 3A

Indianapolis, IN · CIK 0001811565

Offering snapshot reported May 20, 2026 · SEC filing

Reported sold
$23.5M
Indefinite offering
Investors reported
17
Form D · investor count
Minimum accepted
$100K
Reported outside-investor minimum
First sale
Sep 30, 2020
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$11.7M$23.5MOct 17, 2023: $16,230,251.00Oct 17, 2023Oct 10, 2024: $22,283,449.00Oct 10, 2024Oct 8, 2025: $22,665,734.00Oct 8, 2025Nov 14, 2025: $22,966,080.00May 20, 2026: $23,466,081.00May 20, 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$22,966,080 → $23,466,081

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
May 20, 2026Amendment$23,466,081$500,001vs Nov 14, 202517SEC filing
Nov 14, 2025Amendment$22,966,080$300,346vs Oct 8, 202517SEC filing
Oct 8, 2025Amendment$22,665,734$382,285vs Oct 10, 202417SEC filing
Oct 10, 2024Amendment$22,283,449$6,053,198vs Oct 17, 202315SEC filing
Oct 17, 2023Initial$16,230,251No comparison11SEC filing
Aug 23, 2022Initial$9,995,822No comparison4SEC filing
Aug 23, 2021Amendment$4,685,481No comparisonNot reportedSEC filing
Oct 14, 2020Initial$500,000No comparison1SEC filing

Offering details

Securities
Pooled investment fund
Exemptions
06b, 3C, 3C.1
Duration over one year
Yes
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-494918

Source: Form D, filed May 20, 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

PROTEUS SERIES FEEDER FUND III, LLC - SERIES 3A

Investment adviser: PROTEUS, LLC

Gross asset value
$25.1M
Beneficial owners
17
ADV minimum commitment
$100K

Reported in Form ADV on Jul 29, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator PROTEUS FINANCIAL SOLUTIONS, LLC INDIANAPOLIS, Indiana, United States Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor KATZ SAPPER & MILLER INDIANAPOLIS, Indiana, United States
Custodian CIBC BANK USA CHICAGO, Illinois, 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

KATZ SAPPER & MILLER
PCAOB 2804

CIBC BANK USA
LEI B4TYDEB6GKMZO031MB27

Filing source

Form ADV 2121935 · Jul 29, 2026 · Schedule D 7.B.(1), fund 805-9110203060

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

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
Cheryl Ackerman Director, Executive, Promoter
Jason Brown Director, Executive, Promoter
Molly Herendeen Executive
Anya Janeway Executive
Eric G Knauss Director, Executive, Promoter
Ryan Laughon Director, Executive, Promoter
Matthew Reynolds Director, Executive, Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
510 E. 96 Th Street Suite 400
Indianapolis, IN, 46240