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Ivona Malgorzata Kostulak

Frost Investment Services

San Antonio, TX

West Lake Hills, TX

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Current Employers
Frost Investment Services

111 West Houston Street, San Antonio, TX 78205 • United States

Current Registrations

AuthorityCategoryStatusDate
CA RA APPROVED 2026-01-08
NM RA APPROVED 2025-10-10
CO RA APPROVED 2023-09-14
TX RA APPROVED 2022-01-26
  • CA RA
    APPROVED
    Since 2026-01-08
  • NM RA
    APPROVED
    Since 2025-10-10
  • CO RA
    APPROVED
    Since 2023-09-14
  • TX RA
    APPROVED
    Since 2022-01-26

Branch Locations

111 West Houston Street, San Antonio, TX 78205 • United States

5656 Bee Cave Rd, West Lake Hills, TX 78746 • United States

Disclosures

No disclosure categories reported as “Yes” on this SEC record.

  • Regulatory action No
  • Criminal No
  • Bankruptcy No
  • Civil judicial No
  • Bond No
  • Judgment / lien No
  • Investigation No
  • Customer complaint No
  • Termination No
Employment History
OrganizationCityStateFromTo
Frost Brokerage Services San Antonio TX 12/2004 Present
Frost National Bank San Antonio TX 09/2016 08/2019
Frost Investment Services Austin TX 01/2017 Present
  • 12/2004 → Present
    Frost Brokerage Services
    San Antonio, TX
  • 09/2016 → 08/2019
    Frost National Bank
    San Antonio, TX
  • 01/2017 → Present
    Frost Investment Services
    Austin, TX
Previous Registrations
Exams
CodeExamDate
S66 Uniform Combined State Law Examination 2000-01-31
  • S66 Uniform Combined State Law Examination
    2000-01-31
Other Names
  • Iwona Malgorzata Knaszak
  • Iwona Malgorzata Knaszak
  • Iwona Malgorzata Kostulak

View on SEC IAPD

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MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED · SAN ANTONIO, TX
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED · SAN ANTONIO, TX
1900 WEALTH · SAN ANTONIO, TX
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PARK AVENUE SECURITIES LLC · SAN ANTONIO, TX
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