Dennis Mcgonigle - Jun 8, 2021 Form 4/A - Amendment Insider Report for SEI INVESTMENTS CO (SEIC)

Role: EXECUTIVE VICE PRESIDENT
Signature: RUTH MONTGOMERY (ATTORNEY IN FACT)
Stock symbol: SEIC
Transactions as of: Jun 8, 2021
Transactions value $: -$561,400
Form type: 4/A - Amendment
Date filed: 6/10/2021, 11:15 AM
Date Of Original Report: Jun 10, 2021
Next filing: Nov 4, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SEIC	COMMON STOCK ( RIGHT TO PURCHASE)	Options Exercise	$276K	+17.5K	+3.03%	$15.77	594K	Jun 8, 2021	Direct
transaction	SEIC	COMMON STOCK	Sale	-$1.11M	-17.5K	-2.95%	$63.62	577K	Jun 8, 2021	Direct
holding	SEIC	COMMON STOCK						577K	Jun 8, 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SEIC	COMMON STOCK ( RIGHT TO PURCHASE)	Options Exercise	$276K	+17.5K	+3.03%	$15.77	594K	Jun 8, 2021	COMMON STOCK (RIGHT TO PURCHASE)	17.5K	$15.77	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Mr. McGonigle's total direct shares held is 576,663, which reflects SEIC shares purchased through ESPP. This was inadvertently not added to his previous Form 4.