Form D · Other Investment Fund

Proteus Master Fund I, LLC

Indianapolis, IN · CIK 0001605676

Offering snapshot reported May 20, 2026 · SEC filing

Reported sold
$32.7M
Indefinite offering
Investors reported
7
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Oct 27, 2014
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$16.4M$32.7MOct 16, 2023: $17,874,834.00Oct 16, 2023Oct 9, 2024: $18,419,591.00Oct 9, 2024Oct 8, 2025: $22,680,591.00Oct 8, 2025Nov 12, 2025: $25,330,591.00May 20, 2026: $32,715,693.00May 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$25,330,591 → $32,715,693
  • Reported investors6 → 7

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
May 20, 2026Amendment$32,715,693$7,385,102vs Nov 12, 20257SEC filing
Nov 12, 2025Amendment$25,330,591$2,650,000vs Oct 8, 20256SEC filing
Oct 8, 2025Amendment$22,680,591$4,261,000vs Oct 9, 20246SEC filing
Oct 9, 2024Amendment$18,419,591$544,757vs Oct 16, 20234SEC filing
Oct 16, 2023Initial$17,874,834No comparison4SEC filing
Aug 22, 2022Amendment$10,202,133$7,038,787vs Aug 25, 20213SEC filing
Aug 25, 2021Amendment$3,163,346$0vs Aug 24, 20205SEC filing
Aug 24, 2020Amendment$3,163,346$300,000vs Aug 21, 20193SEC filing
Aug 21, 2019Amendment$2,863,346$2,500,667vs Aug 21, 20181SEC filing
Aug 21, 2018Amendment$362,679-$28vs Apr 20, 20171SEC filing
Apr 20, 2017Amendment$362,707$10,000vs Apr 21, 20161SEC filing
Apr 21, 2016Amendment$352,707$44,328vs Sep 8, 20151SEC filing
Sep 8, 2015Amendment$308,379$38,629vs Apr 20, 20151SEC filing
Apr 20, 2015Amendment$269,750No comparison1SEC filing
Apr 23, 2014InitialYet to sellNo comparison0SEC filing

Offering details

Securities
Pooled investment fund
Exemptions
06b, 3C, 3C.7
Duration over one year
Yes
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-494838

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 MASTER FUND I, LLC

Investment adviser: PROTEUS, LLC

Gross asset value
$30M
Beneficial owners
57
ADV minimum commitment
$50K

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 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 805-4376675504

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
Jason Brown Director, Executive, Promoter
Paul Freeland Director
Molly Herendeen Executive
Anya Janeway Executive
Eric G. Knauss Director, Executive, Promoter
Ryan Laughon Director, Executive, Promoter
Daniel L. Mc Nulty Executive
Gabriel L. Randolph Executive
Matthew Reynolds Director, Executive, Promoter
Clay Sandberg Director

Issuer details

Industry: Pooled Investment Fund (See others in industry)

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