This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Current firm

CITIGROUP GLOBAL MARKETS INC.

Current firm class

broker-dealer affiliated wealth managerderived

Book size

not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none

Industry start

Feb 18, 2006earliest registration or exam on IAPD

Years in industry

20derivedfrom the industry start date

Years at current firm

1derivedfrom the current registration's begin date

Prior firms

1

Current registrations

1

Registered states

1

Exams

S66

First exam

Feb 18, 2006

First registration

Nov 3, 2006

Dual registered

yes, broker-dealer

Other names

Matthew H Lum|MATTHEW HENRY LUM|MATTHEW LUM

IAPD individual key

5010066

• Occurred

  Jun 26, 2025
  Advisor changed firm

  Matthew Henry Lum left Hsbc Securities (Usa) Inc. for Citigroup Global Markets Inc. (registered 2025-05-16)

  Form ADVobserved 3 days ago

Graph

RIA / Wealth Management

Canonical id

dfx:ria:dd5f2241-47cf-9f03-e5ce-46e40def5911

First observed

Nov 3, 2006

Last observed

Sep 15, 2026 4 days ago

Source families

Federal regulator filings

1 registered feed stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.

Resolution

Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.