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William Mitchell Zerillo

Investment Adviser Representative at Oasis Advisors

Lititz, PACRD #7133139Investment Adviser Representative
No disclosures on record
Sourced from SEC IAPD & FINRA BrokerCheck
Years of Experience
7 yrs
Exams Passed
4

Professional summary

Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.

William Mitchell Zerillo is an investment adviser representative with Oasis Advisors in Lititz, PA, where they have been registered since 2025. They have worked in the securities industry since 2019 and have been registered with 3 firms, including Terra Wealth and Primerica Advisors. They have passed 4 industry qualification exams, including the Series 65 (investment adviser), Series 63 (state securities agent), and Series 6 (investment company and variable products). They are registered to provide investment advice in Pennsylvania.

Registrations & licenses

Registration type
Investment Adviser Representative
As of August 17, 2026, from the advisor's current registrations on SEC IAPD
State registrations
Investment adviser:
Pennsylvania

Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.

Examinations passed
Series 65
Uniform Investment Adviser Law Examination
Passed 9/20/2021
Series 63
Uniform Securities Agent State Law Examination
Passed 8/20/2019
Series 6
Investment Company Products/Variable Contracts Representative Examination
Passed 8/1/2019
SIE
Securities Industry Essentials Examination
Passed 5/31/2019

Financial-firm registration history

Registration history as reported to FINRA, most recent first.

Oasis AdvisorsCurrent
5/27/2025 – Lititz, PA
Terra Wealth
9/9/2022 – 4/23/2025York, PA
Primerica Advisors
9/24/2021 – 9/13/2022York, PA

Reported employment history

Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.

  1. PFS Investments Inc.
    Jul 2019 – Sep 2022York, PA
  2. Primerica Financial Services
    Aug 2018 – Sep 2022York, PA
  3. Stauffers Kissel Hill
    Feb 2019 – Jun 2022Lititz, PA
  4. Cameron INN Estates
    Aug 2018 – Dec 2018Mount Joy, PA
  5. Taziki's Mediterranean Cafe
    Nov 2017 – May 2018Birmingham, AL
  6. Revelator Coffee Company
    Apr 2017 – Nov 2017Birmingham, AL
  7. Westin Birmingham Hotel
    Jan 2016 – Apr 2017Birmingham, AL
  8. Sports Additions
    Aug 2006 – Jan 2019Tuscaloosa, AL
  9. CAPE Securities, Inc.
    Sep 2022 – Dec 2024Mcdonough, GA
  10. Terra Wealth Management, LLC
    Sep 2022 – Mar 2025Manchester, PA
  11. OASIS Advisors, LLC
    May 2025 – no end date reportedLititz, PA

Official records & sources

Data as of August 11, 2026 · Source: SEC IAPD & FINRA BrokerCheck

About Oasis Advisors

These details describe the firm overall. Individual advisors' services, clients, and fees may differ.

Fee arrangements the firm reports

  • Percentage of assets under management
  • Fixed fee

Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.

Services the firm offers

Financial PlanningPortfolio Management for Individuals and Small BusinessesPension ConsultingSelection of Other Advisers

Client types the firm serves

IndividualsHigh Net WorthPension/Profit SharingCorporations

Firm assets under management

$100M–$500M

Firm disclosures (Form ADV)
No disciplinary history reportedVerify on SEC IAPD
Advisors listed on AdvisorFinder:
22
Offices listed on AdvisorFinder:
1
Main office:
Forest City, IA
SEC file number:
801-132394

Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.

Form ADV data as of June 17, 2026

View full firm profile

Other advisors at Oasis Advisors

Showing 12 of 22 in the directory

View Oasis Advisors firm profile

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About this profile

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. William Mitchell Zerillo has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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