William D. Gross
Professional summary
William Donald Gross, who also goes by William Gross, is a registered financial advisor currently at PRINCIPAL SECURITIES, INC. located in Sioux Falls, South Dakota.
William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2019. William has worked at 2 firms and has passed the Series 66, Series 7TO and SIE exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view William Donald Gross's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view William Donald Gross's CRS (Customer Relationship Summary).
Certified licenses
Experience
September 10, 2021 - Present
PRINCIPAL SECURITIES, INC.
Office #1: 4910 S Isabel Pl Ste 100, Sioux Falls, SD 57108September 2, 2021 - Present
PRINCIPAL SECURITIES, INC.
Office #1: 4910 S Isabel Pl Ste 100, Sioux Falls, SD 57108January 28, 2019 - April 14, 2021
MORGAN STANLEY
January 5, 2019 - April 14, 2021
MORGAN STANLEY
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
(10/25/2023)
(9/17/2021)
(9/17/2021)
(1/3/2025)
(9/20/2021)
(9/17/2021)
(9/2/2021)
(9/10/2021)
Exams
Series 7TO
Date: 1/5/2019
General Securities Representative ExaminationFINRA
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.
