SEMPOLINSKI, WILLIAM JOHN

SEMPOLINSKI, WILLIAM JOHN of EASTON, MA is an SEC-registered investment adviser (CRD 338120). Regulatory assets under management: $292.0M.

Registration

• CRD: 338120
• SEC file number: 801-134388
• Type: Registered investment adviser
• Location: 45 BRISTOL DRIVE, SUITE 207, EASTON, MA, 02375
• Phone: 508-297-2033
• Latest filing: 2026-07-31
• Regulatory AUM: $292.0M
• Discretionary AUM: $292.0M
• Clients: 3
• Accounts: 750

Business model

Compensation: % of AUM, Fixed.

Clients served: Individuals, High net worth.

Officers, owners & control persons (1)

More on this firm

• Form ADV Part 2 brochure
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• This page as markdown (for LLM agents)
• CRD 338120 on SEC IAPD (source of record)
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