Maryann T. Thielke
Professional summary
Maryann T Thielke, who also goes by Mary Ann Therese Thielke, Mary Ann T Thielke, Mary Ann Therese Thielke, Mary Ann Therese Trilling, is a registered financial advisor currently at PRINCIPAL SECURITIES, INC. located in Sheboygan, Wisconsin.
Maryann is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1988. Maryann has worked at 5 firms and has passed the Series 63, SIE and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Maryann T Thielke's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view Maryann T Thielke's CRS (Customer Relationship Summary).
Certified licenses
Experience
October 5, 2011 - Present
PRINCIPAL SECURITIES, INC.
Office #1: 504 S 14th St, Sheboygan, WI 53081October 18, 2010 - Present
PRINCIPAL SECURITIES, INC.
Office #1: 504 S 14th St, Sheboygan, WI 53081March 3, 2008 - October 18, 2010
PACKERLAND BROKERAGE SERVICES, INC.
March 3, 2008 - October 18, 2010
PACKERLAND BROKERAGE SERVICES, INC.
September 7, 2005 - March 5, 2008
PARK AVENUE SECURITIES LLC
August 25, 1998 - August 26, 2005
M&I FINANCIAL ADVISORS, INC
February 23, 1988 - August 26, 1998
FIRSTAR INVESTMENT SERVICES,INC.
Primary Firm SEC Registration

PRINCIPAL SECURITIES, INC.
CRD#: 1137 / SEC#: 801-54949, 8-13975
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(2/15/2022)
(4/25/2024)
(4/19/2022)
(4/22/2022)
(10/18/2010)
(10/5/2011)
Exams
FINRA
Current Firm

PRINCIPAL SECURITIES, INC.
CRD#: 1137 / SEC#: 801-54949, 8-13975
Contact information
SEC notice filing (51 States and Territories)
FINRA licenses (52 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| PRINCIPAL FINANCIAL SERVICES, INC. | OWNER | |
| AGRAWAL, VIVEK | DIRECTOR | 8050381 |
| CLAIRE, CHAD THOMAS | CHIEF INFORMATION OFFICER | 7219218 |
| DROGAN, THOMAS JOHN | CHIEF COMPLIANCE OFFICER | 2760482 |
| FRIEDRICH, AMY CHRISTINE | DIRECTOR | 7097797 |
| LAWLER, CODY ANTHONY | HEAD OF SUPERVISION, HEAD OF OPERATIONS | 5162072 |
| MCCULLUM, KENNETH ALLEN | DIRECTOR | 4695257 |
| MURRAY, MICHAEL FRANCIS | PRESIDENT/CHIEF EXECUTIVE OFFICER/CHAIR | 2074275 |
| RANTS, DOUGLAS JOHN | CHIEF INFORMATION SECURITY OFFICER | 7148529 |
| ROBERTS, DAWN MARIE | CHIEF FINANCIAL OFFICER | 7929617 |
| SCHELHAAS, NATHAN PAUL | DIRECTOR | 7275495 |
| SPADAFORA, CRAIG ALAN | SENIOR VICE PRESIDENT / HEAD OF ADVISORY AND PLATFORM | 3184320 |
| VANWINKLE, DANIEL SIMON | PSI AML OFFICER | 4715191 |
Regulatory assets under management
| Total Number of Accounts | 63,730 |
| AUM (Assets Under Management) | $ 14,827,718,110 |
Disclosures
| Regulatory Event | 9 |
| Arbitration | 3 |
| Bond | 3 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 09/26/2025 | ||
| 10/28/2024 | ||
| 11/28/2023 | ||
| 09/22/2023 | ||
| 12/20/2022 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
Company Information
PRINCIPAL SECURITIES, INC.
CRD#: 1137Sheboygan, WI 53081TRUST BUT VERIFY
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