secwatch / observer
SEIC SEI INVESTMENTS CO
CIK 0000350894 50 ready 8-Ks latest July 22, 2026, 4:03 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing July 22, 2026, 4:03 PM ET
Top materiality 0.85
Event mix earnings ×14 · other_material ×12 · leadership ×9
Sentiment 19 pos · 1 neg · 30 neu
Latest earnings reported 2026-Q1
Executive change recent →
SHENANIGAN SCORE 1 / 7 see the board

Recent 8-K filings for SEIC

Executive changes

Appointed

Sean Denham

Chief Financial Officer
SEIC · SEI INVESTMENTS CO
Effective
2024-04-30
Filed
March 1, 2024, 6:59 PM ET
to begin employment with the Company on March 18, 2024 and serve as the Company’s Chief Financial Officer effective on or about April 30, 2024
Departed

Dennis McGonigle

Chief Financial Officer
SEIC · SEI INVESTMENTS CO
Effective
2024-04-30
Successor
Sean Denham
Filed
March 1, 2024, 6:59 PM ET
Mr. McGonigle’s employment with the Company will end on April 30, 2024.
Departed

Dennis McGonigle

Chief Financial Officer
SEIC · SEI INVESTMENTS CO
Successor
Sean Denham
Filed
February 5, 2024, 6:59 PM ET
On January 16, 2024, SEI Investments Company (the “Company”) entered into an agreement with Sean Denham, 51, to begin employment with the Company on March 18, 2024 and serve as the Company’s Chief Financial Officer effective upon the date following the current Chief Financial Officer Dennis McGonigle’s resignation in connection with his previously announced retirement.
Appointed

Sean Denham

Chief Financial Officer
SEIC · SEI INVESTMENTS CO
Filed
February 5, 2024, 6:59 PM ET
On January 16, 2024, SEI Investments Company (the “Company”) entered into an agreement with Sean Denham, 51, to begin employment with the Company on March 18, 2024 and serve as the Company’s Chief Financial Officer effective upon the date following the current Chief Financial Officer Dennis McGonigle’s resignation in connection with his previously announced retirement.
Departed

Wayne Withrow

Executive Vice President, Head of Global Asset Management
SEIC · SEI INVESTMENTS CO
Effective
2024-02-28
Filed
December 22, 2023, 6:59 PM ET
On December 19, 2023, SEI Investments Company (the “Company”) and Wayne Withrow, the Company’s Executive Vice President, Head of Global Asset Management of the Company, entered into a Confidential Separation and General Release of Claims Agreement (the “Separation Agreement”) in connection with Mr. Withrow’s retirement, which will become effective on February 28, 2024 (the “Separation Date”).
Departed

Sarah W. Blumenstein

Director
SEIC · SEI INVESTMENTS CO
Successor
Stephanie D. Miller
Filed
October 25, 2023, 7:59 PM ET
thereby filling the vacancy on the Board that resulted from Sarah W. Blumenstein not standing for re-election at the 2023 Annual Meeting of the Company’s Shareholders.
Appointed

Stephanie D. Miller

Director
SEIC · SEI INVESTMENTS CO
Effective
2023-10-24
Filed
October 25, 2023, 7:59 PM ET
On October 24, 2023, the Company’s Board of Directors (the “Board) appointed Stephanie D. Miller to the Board, effective immediately, thereby filling the vacancy on the Board that resulted from Sarah W. Blumenstein not standing for re-election at the 2023 Annual Meeting of the Company’s Shareholders.
Departed

Dennis McGonigle

Chief Financial Officer and Principal Financial Officer
SEIC · SEI INVESTMENTS CO
Effective
2023-12-31
Filed
July 31, 2023, 7:59 PM ET
On July 26, 2023, SEI Investments Company (the “Company”) announced during its quarterly earnings call that Dennis McGonigle, the Company’s Chief Financial Officer and Principal Financial Officer, intends to retire at the end of 2023.
Departed

Kathy C. Heilig

Principal Accounting Officer
SEIC · SEI INVESTMENTS CO
Effective
2023-07-03
Successor
Mark A. Warner
Filed
April 6, 2023, 7:59 PM ET
Ms. Heilig served as the Company’s Principal Accounting Officer, reporting to Mr. McGonigle, until March 31,2023, and has announced her retirement effective July 3, 2023.
Appointed

Mark A. Warner

Vice President, Controller and Chief Accounting Officer
SEIC · SEI INVESTMENTS CO
Effective
2023-03-31
Filed
April 6, 2023, 7:59 PM ET
On Friday, March 31, 2023, the Company appointed Mark A. Warner, 55, to serve as a Vice President, and its Controller and Chief Accounting Officer
Appointed

Jonathan Brassington

Director
SEIC · SEI INVESTMENTS CO
Effective
2022-04-19
Filed
April 20, 2022, 7:59 PM ET
elected Jonathan Brassington to the Board, effective immediately, to serve in the class of directors whose term expires at the Company’s Annual Meeting of Shareholders to be held in 2022.
Appointed

Ryan Hicke

Chief Executive Officer
SEIC · SEI INVESTMENTS CO
Effective
2022-06-01
Filed
April 4, 2022, 7:59 PM ET
the Company appointed Ryan Hicke to serve as the Company’s Chief Executive Officer effective June 1, 2022

Earnings & guidance

2026-Q1 EPS reported $1.40 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.55 · Most common event earnings

19 positive 1 negative 30 neutral

source · SEIC on sec.gov