Register of Securities Staff of AIs
Last updated on 18/06/2026
Name of Relevant Individual
DE LEON, MARYAN KO
Chinese Name of Relevant Individual
洪瑪莉
HKMA Registration Number
AI4475
Current Registration
Not Applicable
Business Address
Not Applicable
Conditions
Not Applicable
Registration History
HKMA Registration Number
Registered Institution
Regulated Activity
Effective Period
Is an Executive Officer? (Yes / No)
HKMA Registration Number
A
Registered Institution
CITIBANK, N.A.
Regulated Activity
Type 1: dealing in securities
Effective Period
05 Jun 2020 - 31 Mar 2023
Is an Executive Officer? (Yes / No)
No
HKMA Registration Number
A
Registered Institution
CITIBANK, N.A.
Regulated Activity
Type 4: advising on securities
Effective Period
05 Jun 2020 - 31 Mar 2023
Is an Executive Officer? (Yes / No)
No
HKMA Registration Number
A
Registered Institution
CITICORP INTERNATIONAL LIMITED
Regulated Activity
Type 1: dealing in securities
Effective Period
05 Jun 2020 - 31 Mar 2023
Is an Executive Officer? (Yes / No)
No
HKMA Registration Number
A
Registered Institution
CITICORP INTERNATIONAL LIMITED
Regulated Activity
Type 4: advising on securities
Effective Period
05 Jun 2020 - 31 Mar 2023
Is an Executive Officer? (Yes / No)
No
Records: 1-4 of 4
Public Disciplinary Actions
Records of public disciplinary actions taken against the relevant individual by the SFC
Not Applicable
Records of public disciplinary actions taken against the relevant individual by the HKMA
Not Applicable
Public disciplinary actions (if any) that took effect over five years ago are not shown.
:
Name of Relevant Individual
DE LEON, MARYAN KO
:
Chinese Name of Relevant Individual
洪瑪莉
:
HKMA Registration Number
AI4475
Not Applicable
Not Applicable
Not Applicable
HKMA Registration Number
Registered Institution
Regulated Activity
Effective Period
Is an Executive Officer? (Yes / No)
AI4475
CITIBANK, N.A.
Type 1: dealing in securities
05 Jun 2020 - 31 Mar 2023
No
AI4475
CITIBANK, N.A.
Type 4: advising on securities
05 Jun 2020 - 31 Mar 2023
No
AI4475
CITICORP INTERNATIONAL LIMITED
Type 1: dealing in securities
05 Jun 2020 - 31 Mar 2023
No
AI4475
CITICORP INTERNATIONAL LIMITED
Type 4: advising on securities
05 Jun 2020 - 31 Mar 2023
No
Records of public disciplinary actions taken against the relevant individual by the SFC
Not Applicable
Records of public disciplinary actions taken against the relevant individual by the HKMA
Not Applicable
Public disciplinary actions (if any) that took effect over five years ago are not shown.