Subject: File No. 4-500
From: John O’Brien
Affiliation:

May 7, 2005

Jonathan G. Katz
Secretary, Securities Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

Dear Sir,

Re: Request for Rulemaking Regarding Member Records of 'Short' Positions and Reporting and Public Dissemination

I fully support the petition by R. Cromwell Coulson, CEO Pink Sheets LLC. for his proposed amendment to Rule 3360.

http://sec.gov/rules/petitions/petn4-500.pdf

Respectfully,

John O’Brien