# SENTINEL ADVISORY GROUP, LLC

SENTINEL ADVISORY GROUP, LLC of MIDDLETON, WI is an SEC-registered investment adviser.

## Registration

- CRD: 338121
- Type: SEC-registered investment adviser
- SEC file number: 801-134809
- Location: 1600 ASPEN COMMONS, SUITE 825, MIDDLETON, WI, 53562
- Phone: 608-579-9350
- Latest filing: 2026-03-02
- Regulatory AUM: $320.8M
- Discretionary AUM: $320.8M
- Clients: 10
- Accounts: 1,089

## Business model

- Compensation: % of AUM, Fixed
- Clients served: Individuals, High net worth, Pensions, Charities

## Officers, owners & control persons (3)

| Name | Role | Location |
| --- | --- | --- |
| Peter Robert Shulla | PARTNER, CCO | — |
| Brenton Lee Cashore | PARTNER | — |
| Nathan Ford Keeling | PARTNER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/338121/brochure
- Similar advisers: https://search.stillhousedata.com/firm/338121/similar
- Related entities: https://search.stillhousedata.com/firm/338121/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/338121

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.