Flagstone Financial Management, Llc
- Regulatory AUM
- $468M
- Discretionary
- $468M
- Clients
- 353
- Avg AUM / client
- $1.3M
- Accounts
- 353
- Employees
- 11
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Apr 21, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 221 | $84.1M | 18.0% |
| High net worth individuals | 126 | $366M | 78.2% |
| Pension and profit sharing plans | 1 | $2.1M | 0.45% |
| Charitable organizations | 5 | $15.9M | 3.39% |
People (9)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Michael Tate Johnson | President | CFP | Aug 2010 (16y) | ≈ 56.25% – 100% via Flagstone Holdings, Inc. |
| Stephanie Patrice Tredway | Registered representative | Dec 2016 (10y) | ||
| Brenda Marie Zitek | Registered representative | Feb 2017 (10y) | ||
| Daniel Craig Stous | Registered representative | CFP | Jan 2018 (9y) | |
| Daniel Timothy Clare | Registered representative | CFP | Mar 2021 (5y) | |
| Chantel Jo Koerwitz | Registered representative | Aug 2022 (4y) | ||
| Samuel James Johnson | Registered representative | Aug 2025 (1y) | ||
| Britney Angeles Ayala | Registered representative | Oct 2025 (1y) | ||
| Natalia A Paige | Registered representative | Feb 2026 (1y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Flagstone Holdings, Inc. | Direct Owner Holding Company | Sep 2016 | A | 75% or more |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Michael Tate Johnson: 75% – 100% of Flagstone Holdings, Inc. × 75% – 100% direct ≈ 56.25% – 100% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 04/21/2026 | 906 KB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Hourly charges
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Pension consulting services
Custody
Reported custodians
- LPL Financial $468M (100% of AUM) Apr 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Apr 21, 2026.
View current Form ADV (SEC/IAPD) ↗