Full text of MAINLINE WEST MUNICIPAL SECURITIES LLC's X-17A-5 filed 2026-03-05 (period 2025-12-31). Broker-dealer annual report from SEC EDGAR — readable, searchable, and available as markdown for AI agents.
{0}------------------------------------------------ #### **STATEMENT OF FINANCIAL CONDITION** **DECEMBER 31, 2025** The report is filed in accordance with Rule 17a-5(e)(3) under the Securities Exchange Act of 1934 as a **PUBLIC DOCUMENT**. {1}------------------------------------------------ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 | OMB APPROVAL | | |---------------------------|--| | OMB Number: 3235-0123 | | | Expires: Nov. 30, 2026 | | | Estimated average burden | | | hours per response:<br>12 | | | SEC FILE NUMBER | | | 8-67952 | | # ANNUAL REPORTS FORM X-17A-5 PART III FACING PAGE Information Required Pursuant to Rules 17a-5, 17a-12, and 18a-7 under the Securities Exchange Act of 1934 AND ENDING\_12/31/2025 Filing for the period beginning 01/01/2025 MM/DD/YY MM/DD/YY A. REGISTRANT IDENTIFICATION NAME OF FIRM: Mainline West Municipal Securities LLC TYPE OF REGISTRANT (check all applicable boxes): | Broker-dealer | | Security-based swap dealer | | | Major security-based swap participant Check here if respondent is also an OTC derivatives dealer ADDRESS OF PRINCIPAL PLACE OF BUSINESS: (Do not use a P.O. box no.) | | | (No. and Street) | | | | |--------------------------------------------------------------------------------------------------|--------------|------------------------------------------------------------|-----------------|--------------------------------------------|--| | Denver | | CO | | 80211 | | | (City) | | (State) | | (Zip Code) | | | PERSON TO CONTACT WITH REGARD TO THIS FILING | | | | | | | Anthony Caselli | 720-536-3396 | | | acaselli@mainlinewest.net | | | (Name) | | (Area Code - Telephone Number) | (Email Address) | | | | | | B. ACCOUNTANT IDENTIFICATION | | | | | INDEPENDENT PUBLIC ACCOUNTANT whose reports are contained in this filing*<br>Spicer Jeffries LLP | | | | | | | | | (Name - if individual, state last, first, and middle name) | | | | | 4601 DTC Blvd, Suite 700 | | Denver | CO | 80237 | | | (Address) | | (City) | (State) | (Zip Code) | | | October 20, 2003 | | | 349 | | | | (Date of Registration with PCAOB)(if applicable) | | | | (PCAOB Registration Number, if applicable) | | | | | FOR OFFICIAL USE ONLY | | | | | | | | | | | \* Claims for exemption from the requirement that the annual reports of an independent public accountant must be supported by a statement of facts and circumstances relied on as the basis of the exemption. See 17 CFR 240.17a-5(e)(1)(ii), if applicable. Persons who are to res…Read the full text as markdown