# LANDOLT SECURITIES, INC.

LANDOLT SECURITIES, INC. of LAKE BLUFF, IL is an SEC-registered investment adviser. This firm reports disciplinary history on Form ADV.

## Registration

- CRD: 28352
- Type: SEC-registered investment adviser
- SEC file number: 801-135200
- Location: 900 NORTH SHORE DRIVE SUITE 279, LAKE BLUFF, IL, 60044
- Phone: 847-838-5151
- Latest filing: 2026-06-29
- Regulatory AUM: $137.8M
- Discretionary AUM: $137.8M
- Clients: 14
- Accounts: 301

## Business model

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

## Officers, owners & control persons (3)

| Name | Role | Location |
| --- | --- | --- |
| [Donald Trendley Mckiernan](https://search.stillhousedata.com/person/667556) | CEO, CO-CCO (BD ONLY) & FINOP | — |
| [Matthew Richard Mckiernan](https://search.stillhousedata.com/person/667557) | CHIEF FINANCIAL OFFICER AND CCO (IA ONLY) | — |
| [Tyler John Reinhard](https://search.stillhousedata.com/person/667558) | COO / CO-CCO (BD ONLY) | — |


## Disclosures (10)

| Initiated | Type | Allegations | Status | Amount |
| --- | --- | --- | --- | --- |
| 2026-04-07 | regulatory | FAILURE TO FOLLOW FIRM GUIDELINES | Final | $10K |
| 2024-01-16 | regulatory | FROM AT LEAST MARCH 2021 TO JANUARY 2024, THE FIRM FAILED TO ESTABLISH, MAINTAIN, AND ENFORCE A REASONABLE SUPERVISORY SYSTEM, INCLUDING WRITTEN SUPERVISORY PROCEDURES (WSPS), TO SUPERVISE THE ELECTRONIC COMMUNICATIONS OF ITS REGISTERED REPRESENTATIVES. | Final | $25K |
| 2015-07-24 | regulatory | FINRA ALLEGED THAT: 1) LANDOLT DID NOT MEET MINIMUM NET CAPITAL REQUIREMENTS FOR THE YEARS 2012 AND 2013; AND 2) LANDOLT FAILED TO REPORT CERTAIN MUNICIPAL SECURITIES TRANSACTIONS TO THE MUNICIPAL SECURITIES RULEMAKING BOARD IN 2012 AND 2013. | Final | $25K |
| — | regulatory | — | — | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/28352/brochure
- Similar advisers: https://search.stillhousedata.com/firm/28352/similar
- Related entities: https://search.stillhousedata.com/firm/28352/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/28352

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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.