SEI INVESTMENTS CO — Director's Dealing 2017

May 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2017-05-05

Reporting Person: ROMEO CARMEN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-05	STOCK OPTION (RIGHT TO PURCHASE)	M	5000	$23.86	Acquired	1600952	Direct
2017-05-05	STOCK OPTION (RIGHT TO PURCHASE)	M	5000	$15.77	Acquired	1605952	Direct
2017-05-05	STOCK OPTION (RIGHT TO PURCHASE)	M	5000	$22.45	Acquired	1610952	Direct
2017-05-05	COMMON STOCK	S	5000	$51.2	Disposed	1605952	Direct
2017-05-05	COMMON STOCK	S	5000	$51.3	Disposed	1600952	Direct
2017-05-05	COMMON STOCK	S	5000	$51.4	Disposed	1595952	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-05	STOCK OPTION (RIGHT TO PURCHASE)	$23.86	M	5000	Acquired	2017-12-14	STOCK OPTION RIGHT TO PURCHASE) (5000)	Direct
2017-05-05	STOCK OPTION (RIGHT TO PURCHASE)	$15.77	M	5000	Acquired	2018-12-13	STOCK OPTION (RIGHT TO PURCHASE) (5000)	Direct
2017-05-05	STOCK OPTION (RIGHT TO PURCHASE)	$22.45	M	5000	Acquired	2019-12-11	STOCK OPTION (RIGHT TO PURCHASE) (5000)	Direct