Insider Transactions - Thomas B. Akin

AKIN, THOMAS B.: Declared Holdings
Company/Relationship	Reported	Shares	Ownership
Acacia Research Corporation Director
Acacia Research-Acacia Technologies NasdaqNM: ACTG	2006-12-13	0
Acacia Research-CombiMatrix NasdaqNM: CBMX	2007-05-04	701,228	Direct
Acacia Research-CombiMatrix NasdaqNM: CBMX	2007-05-04	1,434,184	Indirect

Insider transactions reported since January 2003

Date	Shares	Stock	Transaction
2007-05-04	700,000 Units, consisting of 700,000 shaes of CBMX common stock and 1,050,000 warrants to purchase CBMX common stock	CBMX	Acquisition at $0.738 per share (by Thomas B. Akin)
2007-05-04	1,400,000 Units, consisting of 1,400,000 shares of CBMX common stock 2,100,000 warrants to purchase CBMX common stock	CBMX	Acquisition at $0.738 per share (indirectly by Talkot Fund, L.P.)
2007-01-03	15,000	ACTG	Stock option grant at $13.38 per share
2007-01-03	15,000	CBMX	Stock option grant at $.84 per share
2006-12-13	18,794	ACTG	Sale at $13.3472 per share
2006-12-07	1,206	ACTG	Sale at $14.4692 per share
2006-12-06	20,000	ACTG	Sale at $14.442 per share
2006-11-30	10,000	ACTG	Sale at $14.0045 per share
2006-11-27	7,900	ACTG	Sale at $14.8734 per share
2006-11-24	27,344	ACTG	Sale at $14.9989 - $15.0145 per share
2006-01-03	15,000	ACTG	Stock option grant at $6.94 per share
2006-01-03	15,000	CBMX	Stock option grant at $1.372 per share
2005-01-03	15,000	CBMX	Stock option grant at $3.87 per share
2005-01-03	15,000	ACTG	Stock option grant at $5.27 per share
2004-01-02	15,000	ACTG	Stock option grant at $5.49 per share
2003-01-02	15,000	CBMX	Stock option grant at $3.56 per share
2003-12-26	2,200	ACTG	Stock option exercise at $2.6969 per share
2003-12-26	1,228	CBMX	Stock option exercise at $2.1417 per share
2003-05-20 - 2003-05-21	21,805	ACTG	Purchase at $1.256 - $1.258 per share (Cost of about $27,000)
2003-01-02	15,000	ACTG	Stock option grant at $2.19 per share
2003-01-02	15,000	CBMX	Stock option grant at $3.65 per share