Full text of BACK BAY LIFE SCIENCE ADVISORY, LLC's X-17A-5 filed 2026-05-13 (period 2025-12-31). Broker-dealer annual report from SEC EDGAR — readable, searchable, and available as markdown for AI agents.
{0}------------------------------------------------ ### **UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549** # **ANNUAL REPORTS FORM X-17A-S PART** Ill | 0MB Number: 3235-0123<br>Expires: Nov. 30, 2026<br>Estimated average burden<br>hours per response: 12 | |-------------------------------------------------------------------------------------------------------| | SEC FILE NUMBER | | | 0MB APPROVAL # **FACING PAGE Information Required Pursuant to Rules 17a-5, 17a-12, and 18a-7 under the Securities Exchange Act of 1934** FILING FOR THE PERIOD BEGINNING **O 1/01/2025** MM/DD/YY AND ENDING **12/31/2025** MM/DD/YY **A. REGISTRANT IDENTIFICATION** NAME oF FIRM: Back Bay Life Science Advisory, LLC TYPE OF REGISTRANT (check all applicable boxes): ~ Broker-dealer D Security-based swa p dealer D M ajor security-based swap participant D Check here if respondent is also an OTC derivatives dealer ADDRESS OF PRINCIPAL PLACE OF BUSINESS: (Do not use a P.O. box no.) 545 Boylston St, 12th Floor (No. and Street) Boston **MA** 02116 (City) (State) (Zip Code) PERSON TO CONTACT W ITH REGARD TO THIS FILING Peter F. Flynn 617 -367-0099 Flynn@peterflynnesq.com (Name) (Area Code - Telephone Number) (Email Address) **B. ACCOUNTANT IDENTIFICATION** INDEPENDENT PUBLIC ACCOUNTANT w hose reports are contained in this filing\* Morris & Morris, P.C. (Name - if individual, state last, first, and middle name) 32 Kearney Road Needham Heights MA 02494 (Address) (City) (State) (Zip Code) 01/06/2010 4066 (Date of Registration with PCAOB)(if applicable) (PCAOB Registration Number, if applicable) **FOR OFFICIAL USE ONLY** • Claims for exemption from the requirement t hat the annual reports be covered by the reports of an independent public account ant must be supported by a statement of facts and circumstances relied on as the basis of t he exemption. See 17 CFR 240.17a-S(e)ll)(ii), if applicable. **Persons who are to respond to the collection of information contained** in **this form are not required to respond unless the form displays a currently valid 0MB control number.** {1}------------------------------------------------ ### **OATH OR AFFIRMATION** | I, Peter Flynn | swear (or affirm) that, to the best of my knowledge and belief, the | |--------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------| | financial report…Read the full text as markdown