SEI INVESTMENTS CO — Director's Dealing 2012

Sep 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2012-09-12

Reporting Person: HEILIG KATHY (Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-12	Common Stock	M	25000	$14.71	Acquired	26891	Direct
2012-09-12	Common Stock	S	25000	$22.02	Disposed	1891	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-09-12	Stock Option (right to buy)	$14.71	M	25000	Acquired	2012-12-31	Common Stock (25000)	Direct