CASS INFORMATION SYSTEMS INC — Director's Dealing 2010

Oct 25, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CASS INFORMATION SYSTEMS INC (CASS)
CIK: 0000708781
Period of Report: 2010-10-25

Reporting Person: MATHIAS ROBERT J (President, Cass Bank)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-25	Common Stock	S	1000	$35.56	Disposed	3838	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-01-26	Stock Appreciation Rights	$30.16	A	2397	Acquired	2020-01-26	Common Stock (2397)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Appreciation Rights	$25.77	2019-01-20	Common Stock (12941)	12941	Direct

Footnotes

F1: Over a three year vesting period, SARs become exercisable in one-third increments on the anniversary date of the grant.

F2: Includes restricted stock bonus shares, subject to vesting and forfeiture.

F3: Represents the weighted average sales price for transactions ranging from $35.245-$36/share. Full information regarding the number of shares sold at each separate price is available upon request.