CSP INC /MA/ — Director's Dealing 2007

Mar 16, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CSP INC /MA/ (CSPI)
CIK: 0000356037
Period of Report: 2007-03-13

Reporting Person: Lupinetti Alexander R (President/CEO/Chairman Board)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-03-13	Common Stock	I	18301	$6.01	Acquired	53702	Direct
2007-03-13	Common Stock	I	18301	$11	Disposed	35401	Direct
2007-03-13	Common Stock	I	2448	$6.01	Acquired	37849	Direct
2007-03-13	Common Stock	I	2448	$10.81	Disposed	35401	Direct
2007-03-14	Common Stock	I	2000	$6.01	Acquired	37401	Direct
2007-03-14	Common Stock	I	2000	$10.8	Disposed	35401	Direct
2007-03-15	Common Stock	I	8761	$6.01	Acquired	44192	Direct
2007-03-15	Common Stock	I	8761	$10.2	Disposed	35401	Direct

Footnotes

F1: Exercise of Common Stock

F2: Common Stock

F3: Exercise of Stock Options

F4: Common Stock

F5: Exercise of Stock Options

F6: Common Stock

F7: Exercise of Stock Options

F8: Common Stock