Nathan Upton
Investment Adviser Representative at Commonwealth Financial Network
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Nathan Upton is an investment adviser representative with Commonwealth Financial Network in Newton, MA, where they have been registered since 2025. They have worked in the securities industry since 2024 and were previously registered with Salem Advisory Group LLC. They have passed 2 industry qualification exams, including the Series 65 (investment adviser). They are registered to provide investment advice in Massachusetts.
Office
Advisors at this office: 8
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Massachusetts
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Gorham Bike and SkiJul 2016 – Aug 2023Kennebunk, ME
- Wandby LandingAug 2023 – Jul 2025Kennebunk, ME
- Subzero Supplements, LLCOct 2021 – Nov 2022Kennebunk, ME
- The Lost Fire - Grill and BarMay 2020 – Oct 2021Cape Porpoise, ME
- Quest FitnessAug 2022 – Jun 2023Kennebunk, ME
- StudentJan 2014 – May 2020Kennebunk, ME
- Salem Advisory GroupSep 2023 – Jul 2025Wells, ME
- Commonwealth Financial NetworkJul 2025 – no end date reportedWaltham, MA
- Tilton Wealth ManagementJul 2025 – no end date reportedWaltham, MA
Official records & sources
Data as of August 9, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Commonwealth Financial Network
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Commissions
- Hourly
- 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
Client types the firm serves
Firm assets under management
$25B+
- Firm disclosures (Form ADV)
- No disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 2,971
- Offices listed on AdvisorFinder:
- 26
- Main office:
- Waltham, MA
- SEC file number:
- 801-41541
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of September 29, 2026
View full firm profileOther advisors at Commonwealth Financial Network
Showing 12 of 2,971 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Nathan Upton 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.
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