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David Andrew Clapper

MAINLINE INVESTMENT ADVISERS
WYNNEWOOD, PA
·CRD# 5644079·17 years experience

Professional Summary

David Andrew Clapper, who also goes by Dave Clapper, is a registered financial advisor currently at MAINLINE INVESTMENT ADVISERS, LLC located in Wynnewood, Pennsylvania. David is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2009. David has worked at 2 firms and has passed the Series 65 and Series 27 exams.

At a Glance

Always Fiduciary

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

Dave Clapper

Blog Corner

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Videos & Posts

This advisor has not added any videos or posts yet.

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Contact Information

This advisor has not claimed their profile yet, so there is no contact information to display at this time.

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities. Check for any disclosures as part of your thorough research when choosing an advisor.

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Years of Experience

17 years in the financial services industry

Current & Past Employments

MAINLINE INVESTMENT ADVISERS, LLC·CRD# 159045
RIA
308 E. Lancaster Avenue Suite 300, Wynnewood, PA 19096-2145
October 15, 2024 - Present
CMS INVESTMENT RESOURCES, LLC·CRD# 10102
BD
Wynnewood, PA
June 16, 2009 - May 26, 2017

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Current Firm

MI
MAINLINE INVESTMENT ADVISERS, LLC

MAINLINE COMPANIES | MAINLINE INVESTMENTS | MAINLINE INVESTMENT ADVISERS, LLC

CRD#: 159045 / SEC#: 801-72761
RIA
Registered Investment Advisory firm - SEC (10/5/2011 Approved)

Contact Information

Main Address

308 E. Lancaster Avenue Suite 300, Wynnewood, PA 19096-2145

Phone Number

(610) 896-3000

# of Employees

4

SEC notice filing (3 States and Territories)

Registered to provide investment advisory services in 3 US states and territories.

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

MAINLINE INVESTMENT ADVISERS, LLC ADV PART 2 DATED MAR 30 2026 (3/30/2026)

Regulatory Assets Under Management

Total Number of Accounts

15

AUM (Assets Under Management)

$109,927,979

Accountant Surprise Examination Report

Filing DateForm ADV-E CoverForm ADV-E Report
01/23/2026Cover PageReport
07/29/2024Cover PageReport
10/20/2023Cover PageReport

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Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

MR. CLAPPER IS A MANAGER OR EXECUTIVE OFFICER OF VARIOUS GENERAL PARTNERS OR MANAGERS OF INVESTMENT-RELATED LIMITED PARTNERSHIPS, LLCS OR PRIVATE FUNDS THAT ARE ADVISED BY OR RELATED TO CMS FUND ADVISERS, LLC, MAINLINE INVESTMENT ADVISERS, LLC, OR MAINLINE INVESTMENT PARTNERS, LLC. SPECIFIC INFORMATION ABOUT PRIVATE FUNDS OR INVESTING VEHICLES MAY BE FOUND ON ADV FORMS OF THE RESPECTIVE SEC-REGISTERED INVESTMENT ADVISERS. UNLESS OTHERWISE NOTED, ADDRESS IS 308 E. LANCASTER AVE, SUITE 300, WYNNEWOOD PA 19096.

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Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
MI
MAINLINE INVESTMENT ADVISERS, LLC

MAINLINE COMPANIES | MAINLINE INVESTMENTS | MAINLINE INVESTMENT ADVISERS, LLC

CRD#: 159045 / SEC#: 801-72761
RIA
Registered Investment Advisory firm - SEC (10/5/2011 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.
IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.
IAR
Delaware
(10/15/2024)
IAR
Pennsylvania
(10/15/2024)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 65 — Uniform Investment Adviser Law Examination

Passed Oct 2024About the Series 65 exam

Series 27 — Financial and Operations Principal Examination

Passed Jun 2009About the Series 27 exam

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CRS (Client Relationship Summary) - RIA

Click below to view David Andrew Clapper's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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