Genasys Inc. — Director's Dealing 2006

Feb 21, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TECHNOLOGY CORP /DE/ (ATCO)
CIK: 0000924383
Period of Report: 2006-02-16

Reporting Person: CARTER DAVID J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-02-16	Common Stock	M	50000	$3	Acquired	51000	Direct
2006-02-16	Common Stock	S	37595	$4.024	Disposed	13405	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-02-16	Employee Stock Option (right to buy)	$3	M	50000	Disposed	2006-02-16	Common Stock (50000)	Direct

Footnotes

F1: Represents the total direct and indirect holdings of the reporting person. Disclosure of indirect ownership by his minor child in the Form 4/A filed on November 4, 2005 was in error.

F2: Grant to reporting person on February 16, 2001 of an option to purchase 50,000 shares. The option vested as to 1/4 of the underlying shares on each anniversary of the grant date until fully vested.