Form D · Private Equity Fund

Mainsail Partners IV, L.P.

San Francisco, CA · CIK 0001657195

Offering snapshot reported Feb 25, 2016 · SEC filing

Reported sold: $384M
Investors reported: 64
Minimum accepted: $0
First sale: Nov 18, 2015

What changed?

Latest filing versus its linked predecessor, where available.

Reported investors0 → 64

Filing history

Scroll to see all columns →

Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Feb 25, 2016	Amendment	$383,500,000	No comparison	64	SEC filing
Nov 13, 2015	Initial	Yet to sell	No comparison	0	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06b, 3C, 3C.7
Duration over one year: No
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-251203

Source: Form D, filed Feb 25, 2016. 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

MAINSAIL PARTNERS IV, L.P.

Investment adviser: MAINSAIL MANAGEMENT COMPANY, LLC

Gross asset value: $21.6M
Beneficial owners: 78
ADV minimum commitment: $2M

Reported in Form ADV on Sep 3, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Auditor BDO USA, P.C. SAN FRANCISCO, California, United States

Custodian JPMORGAN CHASE BANK, N.A. NEW YORK NEW YORK, New York, United States Related to adviser: No

Custodian MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED NEW YORK, New York, United States Related to adviser: No

Custodian STIFEL, NICOLAUS & COMPANY, INCORPORATED ST. LOUIS, Missouri, United States Related to adviser: No

Provider details

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

BDO USA, P.C.
PCAOB 243

JPMORGAN CHASE BANK, N.A. NEW YORK
LEI 7H6GLXDRUGQFU57RNE9

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
SEC 8-7221

STIFEL, NICOLAUS & COMPANY, INCORPORATED
SEC 8-1447

Filing source

Form ADV 2128370 · Sep 3, 2026 · Schedule D 7.B.(1), fund 805-7065030415

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
Mainsail Partners III, L.P.	May 17, 2012	$205,600,000	50
Mainsail Partners IV, L.P. (this fund)	Feb 25, 2016	$383,500,000	64
MAINSAIL PARTNERS V, L.P.	May 29, 2019	Yet to sell	0
MAINSAIL PARTNERS VI, L.P.	Apr 19, 2022	$915,000,000	95
MAINSAIL PARTNERS VII, L.P.	Mar 24, 2025	Yet to sell	0

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
Llc Mainsail Gp Iv,	Promoter
C. Jason Payne	Executive
Gavin Turner	Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

One Front Street #3000
San Francisco, CA, 94111