Mary Ceselsky-Grunder
Booster · Castellón de la Plana, Spain
Mary Ceselsky-Grunder is a fee-only financial advisor at Booster in Castellón de la Plana, Spain. Booster reports charging a percentage of assets and fixed fees on its Form ADV.
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Facts
| Firm | Booster |
|---|---|
| Based in | Castellón de la Plana, Spain |
| Fee model (firm's Form ADV) | Percentage of assets · Fixed fees |
| Assets under management | $229.3M across 226 accounts |
| SEC registration | Investment adviser representative in MD · CRD 4480192 |
| Exams passed | Series 66 (2015) |
| Firm size | 4 employees |
| Disclosures | None reported |
| Website | booster401k.com |
| Profile |
How Mary's firm compares
- Booster's average account is about $1.0 million, from its Form ADV (assets managed divided by 226 accounts).
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Questions about Mary
Is Mary Ceselsky-Grunder a fee-only financial advisor?
Yes, according to SEC records as of October 29, 2026: Mary holds no broker registration, and Booster reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency on its Form ADV.
How does Mary charge for financial advice?
Mary's firm, Booster, reports charging a percentage of assets and fixed fees on its SEC Form ADV.
Where is Mary Ceselsky-Grunder based?
Mary Ceselsky-Grunder is based in Castellón de la Plana, Spain.
Is Mary Ceselsky-Grunder registered with the SEC?
Yes. Mary Ceselsky-Grunder is registered as an investment adviser representative in MD (CRD 4480192), per SEC Investment Adviser Public Disclosure data as of October 29, 2026.
How much does Booster manage?
Booster reports $229.3M across 226 accounts in assets under management.
How do I contact Mary Ceselsky-Grunder?
Through Mary's website, booster401k.com.
What these terms mean: fee-only · fiduciary · CFP · CRD number · all terms
Where this information comes from
- SEC adviser records : the firm's Form ADV reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency, and the advisor holds no broker registration
- SEC Investment Adviser Public Disclosure : registration, exams, and the firm's Form ADV, data as of October 29, 2026
- Directory listing last checked October 30, 2026.
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