SEI INVESTMENTS CO — Director's Dealing 2012

Dec 14, 2012

SEC Form 4/A — Form 4/A

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2012-09-14

Reporting Person: MCGONIGLE DENNIS (EXECUTIVE VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-14	COMMON STOCK	M	40000	$14.71	Acquired	688500	Direct
2012-09-14	COMMON STOCK	S	40000	$22.68	Disposed	648500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-09-14	STOCK OPTION (RIGHT TO PURCHASE)	$14.71	M	40000	Acquired	2012-12-12	COMMON STOCK (40000)	Direct