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Insider Trading History of Murphy Michael R

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Murphy Michael R since 2006. The trader's CIK number is 1323510. At the time of the last reporting, Murphy Michael R was the 10% Owner of Atricure, Inc.. (stock ticker symbol ATRC). Also see all insider trading activities at Atricure, Inc..

Note that in the past Murphy Michael R also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at National Medical Health Card Systems Inc (NMHC) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2008	NMHC	28,501	$256,028	0	$0	0	$0
2007	NMHC	256,803	$2,411,710	0	$0	0	$0
2006	NMHC	163,800	$1,722,804	0	$0	0	$0

Yearly summary of insider trading at Atricure, Inc. (ATRC) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2012	ATRC	0	$0	157,210	$1,097,894	0	$0
2011	ATRC	196,109	$2,000,111	69,411	$833,849	0	$0
2010	ATRC	4,645	$40,965	0	$0	0	$0

Yearly summary of insider trading at Electronic Clearing House Inc (ECHO) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2008	ECHO	0	$0	280,374	$4,643,421	0	$0
2007	ECHO	156,991	$1,951,989	0	$0	0	$0
2006	ECHO	37,900	$449,373	0	$0	0	$0

Yearly summary of insider trading at Hawk Corp (HWK) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2008	HWK	0	$0	62,600	$1,127,663	0	$0
2007	HWK	30,000	$408,500	0	$0	0	$0

Yearly summary of insider trading at Cardiovascular Systems Inc (CSII) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2012	CSII	0	$0	45,010	$464,062	0	$0
2011	CSII	222,545	$1,785,903	0	$0	0	$0

Yearly summary of insider trading at Opentv Corp (OPTV) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2009	OPTV	0	$0	5,044,230	$7,763,636	0	$0
2008	OPTV	366,092	$378,627	0	$0	0	$0
2007	OPTV	117,941	$123,098	0	$0	0	$0

Yearly summary of insider trading at Tessco Technologies Inc (TESS) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2011	TESS	200	$2,410	251,730	$3,149,386	0	$0
2009	TESS	44,693	$400,851	0	$0	0	$0
2007	TESS	0	$0	239,638	$6,449,151	0	$0
2006	TESS	11,000	$195,986	0	$0	0	$0

Yearly summary of insider trading at Tier Technologies Inc (OPAY) by Murphy Michael R

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2012	OPAY	301,950	$1,178,680	2,156,844	$8,564,669	0	$0
2009	OPAY	501,841	$2,733,357	0	$0	0	$0

Insider trading activities at 8 companies by Murphy Michael R:

1. National Medical Health Card Systems Inc (NMHC)

2. Atricure, Inc. (ATRC)

3. Electronic Clearing House Inc (ECHO)

4. Hawk Corp (HWK)

5. Cardiovascular Systems Inc (CSII)

6. Opentv Corp (OPTV)

7. Tessco Technologies Inc (TESS)

8. Tier Technologies Inc (OPAY)

Table 1. Insider trading of National Medical Health Card Systems Inc (NMHC) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2008-01-15	NMHC	Buy	2,100	8.95	18,795
2008-01-17	NMHC	Buy	1,000	9.00	8,998
2008-01-16	NMHC	Buy	3,000	8.99	26,973
2008-01-14	NMHC	Buy	7,200	8.96	64,519
2008-01-11	NMHC	Buy	5,050	8.99	45,424
2008-01-10	NMHC	Buy	6,551	8.99	58,919
2008-01-03	NMHC	Buy	200	9.00	1,800
2008-01-04	NMHC	Buy	3,400	9.00	30,600
2007-12-31	NMHC	Buy	499	8.99	4,488
2007-12-27	NMHC	Buy	2,898	8.98	26,029
2007-12-28	NMHC	Buy	300	9.00	2,700
2007-12-21	NMHC	Buy	6,006	8.95	53,753
2007-12-26	NMHC	Buy	10,000	8.99	89,920
2007-11-27	NMHC	Buy	100	8.98	898
2007-11-26	NMHC	Buy	1,100	8.95	9,847
2007-11-23	NMHC	Buy	3,200	8.48	27,123
2007-11-14	NMHC	Buy	10,000	8.76	87,570
2007-11-12	NMHC	Buy	40,000	8.56	342,520
2007-10-18	NMHC	Buy	11,100	9.40	104,340
2007-10-19	NMHC	Buy	2,900	9.41	27,297
2007-09-18	NMHC	Buy	5,200	8.94	46,498
2007-09-17	NMHC	Buy	3,100	9.00	27,900
2007-09-14	NMHC	Buy	2,000	8.98	17,970
2007-09-10	NMHC	Buy	2,500	11.00	27,500
2007-09-11	NMHC	Buy	111,000	8.89	986,568
2007-08-30	NMHC	Buy	3,900	10.41	40,599
2007-02-21	NMHC	Buy	900	13.41	12,069
2007-02-12	NMHC	Buy	2,900	13.00	37,700
2007-02-13	NMHC	Buy	400	13.00	5,200
2007-01-19	NMHC	Buy	900	11.97	10,773
2007-01-05	NMHC	Buy	3,600	12.00	43,200
2007-01-08	NMHC	Buy	10,500	12.14	127,501
2007-01-03	NMHC	Buy	8,000	11.47	91,760
2007-01-04	NMHC	Buy	8,100	11.71	94,859
2006-12-29	NMHC	Buy	5,700	11.43	65,128
2006-11-28	NMHC	Buy	5,000	11.79	58,960
2006-12-27	NMHC	Buy	4,250	11.60	49,300
2006-11-27	NMHC	Buy	750	11.60	8,700
2006-12-26	NMHC	Buy	10,000	11.93	119,320
2006-12-22	NMHC	Buy	8,100	12.00	97,191
2006-12-15	NMHC	Buy	5,000	11.81	59,050
2006-11-18	NMHC	Buy	3,330	12.00	39,960
2006-12-18	NMHC	Buy	370	12.00	4,440
2006-12-13	NMHC	Buy	5,000	11.32	56,625
2006-12-11	NMHC	Buy	2,500	11.03	27,575
2006-12-12	NMHC	Buy	5,000	10.44	52,200
2006-12-05	NMHC	Buy	8,000	9.95	79,584
2006-12-06	NMHC	Buy	2,500	9.88	24,697
2006-12-01	NMHC	Buy	10,000	10.00	100,030
2006-12-04	NMHC	Buy	2,500	9.98	24,957
2006-11-29	NMHC	Buy	4,000	10.00	39,996
2006-11-30	NMHC	Buy	10,000	10.12	101,160
2006-11-27	NMHC	Buy	8,000	10.06	80,496
2006-11-28	NMHC	Buy	8,000	9.93	79,464
2006-11-22	NMHC	Buy	2,500	10.48	26,205
2006-11-20	NMHC	Buy	2,500	10.16	25,390
2006-11-21	NMHC	Buy	6,500	10.34	67,229
2006-11-17	NMHC	Buy	28,800	10.00	288,000
2006-11-16	NMHC	Buy	21,200	10.01	212,275

Table 2. Insider trading of Atricure, Inc. (ATRC) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2012-12-17	ATRC	Sale	10,000	6.53	65,330
2012-12-12	ATRC	Sale	13,500	6.13	82,755
2012-12-13	ATRC	Sale	19,934	6.36	126,700
2012-12-11	ATRC	Sale	19,800	6.11	120,958
2012-12-06	ATRC	Sale	8,558	6.21	53,187
2012-12-07	ATRC	Sale	17,300	6.13	106,014
2012-12-10	ATRC	Sale	6,035	6.11	36,843
2012-11-30	ATRC	Sale	1,000	6.81	6,811
2012-12-04	ATRC	Sale	29,700	6.50	193,050
2012-12-03	ATRC	Sale	1,500	6.71	10,069
2012-11-27	ATRC	Sale	200	7.00	1,400
2012-11-28	ATRC	Sale	464	6.81	3,160
2012-11-26	ATRC	Sale	6,781	7.16	48,558
2012-11-20	ATRC	Sale	2,093	7.22	15,105
2012-01-12	ATRC	Sale	2,545	11.20	28,511
2012-01-13	ATRC	Sale	4,400	11.17	49,139
2012-01-11	ATRC	Sale	6,300	11.32	71,309
2012-01-10	ATRC	Sale	7,000	11.13	77,889
2012-01-09	ATRC	Sale	100	11.06	1,106
2011-10-24	ATRC	Sale	1,300	12.14	15,778
2011-10-21	ATRC	Sale	200	12.09	2,418
2011-10-20	ATRC	Sale	40,983	12.01	492,041
2011-10-19	ATRC	Sale	7,532	12.00	90,399
2011-10-18	ATRC	Sale	18,796	12.02	225,965
2011-10-17	ATRC	Sale	600	12.08	7,248
2011-04-04	ATRC	Buy	1,768	11.50	20,332
2011-04-05	ATRC	Buy	800	11.49	9,192
2011-03-25	ATRC	Buy	1,100	11.00	12,100
2011-03-28	ATRC	Buy	900	10.98	9,882
2011-03-23	ATRC	Buy	2,800	10.72	30,024
2011-03-22	ATRC	Buy	3,200	10.72	34,300
2011-03-24	ATRC	Buy	5,247	10.99	57,690
2011-03-17	ATRC	Buy	7,824	9.90	77,441
2011-03-18	ATRC	Buy	2,413	10.11	24,402
2011-03-21	ATRC	Buy	1,200	10.63	12,754
2011-03-11	ATRC	Buy	5,000	9.65	48,250
2011-03-10	ATRC	Buy	4,343	9.51	41,301
2011-03-09	ATRC	Buy	2,047	9.86	20,181
2011-03-07	ATRC	Buy	2,700	10.04	27,116
2011-03-04	ATRC	Buy	5,000	10.05	50,250
2011-03-08	ATRC	Buy	19,282	10.05	193,745
2011-03-02	ATRC	Buy	41,000	10.11	414,305
2011-03-01	ATRC	Buy	4,140	10.09	41,772
2011-02-28	ATRC	Buy	11,900	10.07	119,892
2011-02-23	ATRC	Buy	28,487	10.38	295,609
2011-02-24	ATRC	Buy	16,339	10.13	165,579
2011-02-25	ATRC	Buy	5,000	10.08	50,420
2011-01-20	ARTC	Buy	3,400	10.49	35,672
2011-01-05	ATRC	Buy	900	10.48	9,432
2011-01-04	ATRC	Buy	2,200	10.50	23,100
2011-01-03	ATRC	Buy	4,719	10.21	48,171
2010-12-31	ATRC	Buy	1,000	10.20	10,200
2010-12-30	ATRC	Buy	100	10.20	1,019
2010-12-29	ATRC	Buy	600	10.21	6,124
2010-12-28	ATRC	Buy	10,700	10.27	109,856
2010-12-20	ATRC	Buy	1,000	10.00	9,996
2010-11-29	ATRC	Buy	1,000	8.50	8,500
2010-11-30	ATRC	Buy	2,645	8.49	22,469

Table 3. Insider trading of Electronic Clearing House Inc (ECHO) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2008-01-15	ECHO	Sale	11,100	16.52	183,372
2007-01-17	ECHO	Sale	16,150	16.57	267,540
2008-01-17	ECHO	Sale	2,850	16.57	47,213
2008-01-16	ECHO	Sale	44,465	16.56	736,207
2008-01-14	ECHO	Sale	13,000	16.54	215,033
2008-01-11	ECHO	Sale	8,176	16.53	135,165
2008-01-10	ECHO	Sale	12,014	16.56	198,939
2008-01-03	ECHO	Sale	16,807	16.59	278,828
2008-01-02	ECHO	Sale	42,000	16.54	694,722
2008-01-09	ECHO	Sale	46,810	16.57	775,501
2008-01-08	ECHO	Sale	22,002	16.57	364,617
2008-01-07	ECHO	Sale	31,000	16.59	514,290
2008-01-04	ECHO	Sale	14,000	16.57	231,994
2007-05-22	ECHO	Buy	200	12.49	2,499
2007-05-21	ECHO	Buy	2,664	12.50	33,300
2007-05-18	ECHO	Buy	10,000	12.48	124,810
2007-05-15	ECHO	Buy	20,000	12.48	249,700
2007-05-16	ECHO	Buy	10,000	12.46	124,570
2007-05-17	ECHO	Buy	10,000	12.26	122,560
2007-05-11	ECHO	Buy	6,798	12.42	84,431
2007-05-10	ECHO	Buy	25,000	12.35	308,700
2007-05-14	ECHO	Buy	13,202	12.43	164,074
2007-04-26	ECHO	Buy	23,100	12.50	288,750
2007-04-20	ECHO	Buy	15,000	12.50	187,485
2007-04-23	ECHO	Buy	300	12.50	3,750
2007-04-24	ECHO	Buy	6,227	12.49	77,806
2007-04-13	ECHO	Buy	5,000	12.49	62,465
2007-04-12	ECHO	Buy	8,100	12.40	100,448
2007-04-11	ECHO	Buy	1,000	11.92	11,921
2007-04-09	ECHO	Buy	400	11.80	4,720
2006-11-02	ECHO	Buy	400	11.73	4,692
2006-11-01	ECHO	Buy	5,000	11.81	59,050
2006-10-31	ECHO	Buy	5,000	11.85	59,260
2006-10-27	ECHO	Buy	9,400	11.94	112,207
2006-10-30	ECHO	Buy	5,000	11.98	59,880
2006-10-25	ECHO	Buy	2,500	11.85	29,634
2006-10-26	ECHO	Buy	100	11.94	1,194
2006-10-23	ECHO	Buy	6,000	11.76	70,572
2006-10-24	ECHO	Buy	4,500	11.75	52,884

Table 4. Insider trading of Hawk Corp (HWK) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2008-06-17	HWK	Sale	1,300	18.06	23,479
2008-06-16	HWK	Sale	7,700	18.00	138,638
2008-06-13	HWK	Sale	1,000	18.00	18,000
2008-06-09	HWK	Sale	3,100	18.00	55,800
2008-06-11	HWK	Sale	100	18.00	1,800
2008-06-06	HWK	Sale	4,500	18.00	81,004
2008-06-05	HWK	Sale	5,000	18.11	90,530
2008-06-04	HWK	Sale	9,700	18.00	174,600
2008-05-30	HWK	Sale	20,100	18.00	361,840
2008-06-02	HWK	Sale	7,000	18.02	126,126
2008-06-03	HWK	Sale	3,100	18.02	55,846
2007-11-07	HWK	Buy	20,000	13.43	268,500
2007-10-04	HWK	Buy	10,000	14.00	140,000

Table 5. Insider trading of Cardiovascular Systems Inc (CSII) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2012-07-17	CSII	Sale	5,244	10.26	53,777
2012-07-13	CSII	Sale	8,633	10.45	90,171
2012-07-16	CSII	Sale	3,706	10.30	38,168
2012-07-12	CSII	Sale	1,807	10.29	18,586
2012-07-11	CSII	Sale	8,520	10.26	87,432
2012-07-10	CSII	Sale	10,000	10.25	102,500
2012-07-09	CSII	Sale	7,100	10.34	73,428
2011-11-01	CSII	Buy	4,500	8.00	36,000
2011-10-26	CSII	Buy	2,879	8.00	23,032
2011-10-21	CSII	Buy	1,103	8.00	8,824
2011-10-25	CSII	Buy	10,000	8.00	80,000
2011-10-18	CSII	Buy	37,213	7.51	279,581
2011-10-19	CSII	Buy	12,093	7.83	94,664
2011-10-20	CSII	Buy	13,141	7.89	103,643
2011-10-11	CSII	Buy	70,000	7.99	559,230
2011-10-12	CSII	Buy	71,616	8.39	600,929

Table 6. Insider trading of Opentv Corp (OPTV) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2009-10-27	OPTV	Sale	1,399,021	1.54	2,154,492
2009-10-26	OPTV	Sale	3,610,501	1.54	5,560,171
2009-10-23	OPTV	Sale	6,708	1.55	10,397
2009-02-09	OPTV	Sale	700	1.25	875
2009-02-04	OPTV	Sale	3,877	1.38	5,354
2008-02-04	OPTV	Sale	23,423	1.38	32,347
2008-02-21	OPTV	Buy	113,300	1.02	115,112
2008-02-19	OPTV	Buy	19,000	1.05	19,950
2008-02-15	OPTV	Buy	45,709	1.05	47,811
2008-02-14	OPTV	Buy	41,000	1.04	42,722
2008-02-13	OPTV	Buy	71,981	1.04	74,716
2008-02-11	OPTV	Buy	32,802	1.05	34,409
2008-02-12	OPTV	Buy	42,300	1.04	43,907
2007-11-21	OPTV	Buy	9,962	1.03	10,260
2007-11-20	OPTV	Buy	107,979	1.04	112,838

Table 7. Insider trading of Tessco Technologies Inc (TESS) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2011-07-13	TESS	Sale	1,802	12.07	21,744
2011-06-27	TESS	Buy	200	12.05	2,410
2011-06-24	TESS	Sale	52,610	12.24	643,788
2011-06-22	TESS	Sale	3,007	12.05	36,231
2011-06-21	TESS	Sale	2,108	12.07	25,447
2011-05-18	TESS	Sale	12,482	12.25	152,892
2011-05-19	TESS	Sale	4,366	12.21	53,300
2011-05-20	TESS	Sale	6,099	12.22	74,529
2011-05-16	TESS	Sale	1,170	13.00	15,213
2011-05-13	TESS	Sale	5,000	13.24	66,180
2011-05-12	TESS	Sale	5,000	13.03	65,165
2011-05-06	TESS	Sale	8,000	13.07	104,560
2011-05-09	TESS	Sale	32,568	13.21	430,125
2011-05-10	TESS	Sale	24,008	13.33	319,978
2011-05-04	TESS	Sale	29,935	12.14	363,500
2011-05-03	TESS	Sale	8,115	11.85	96,130
2011-05-05	TESS	Sale	30,000	12.75	382,500
2011-04-28	TESS	Sale	12,516	11.75	147,100
2011-04-29	TESS	Sale	6,101	11.77	71,778
2011-05-02	TESS	Sale	5,000	11.78	58,895
2011-04-20	TESS	Sale	1,488	11.02	16,396
2011-04-21	TESS	Sale	355	11.09	3,935
2009-07-10	TESS	Buy	600	10.98	6,586
2009-07-07	TESS	Buy	400	10.78	4,310
2009-07-01	TESS	Buy	1,337	10.97	14,665
2009-06-29	TESS	Buy	1,000	10.71	10,707
2009-06-25	TESS	Buy	5,000	10.77	53,840
2009-06-23	TESS	Buy	4,500	10.60	47,691
2009-06-17	TESS	Buy	415	10.91	4,528
2009-06-18	TESS	Buy	102	11.00	1,122
2009-06-09	TESS	Buy	1,607	10.38	16,674
2009-06-08	TESS	Buy	2,200	10.86	23,894
2009-06-05	TESS	Buy	1,839	10.56	19,419
2009-06-04	TESS	Buy	415	10.67	4,428
2009-06-01	TESS	Buy	600	10.83	6,496
2009-06-02	TESS	Buy	1,000	10.96	10,958
2009-06-03	TESS	Buy	3,500	10.99	38,472
2009-04-13	TESS	Buy	100	7.48	748
2009-04-09	TESS	Buy	3,278	7.48	24,519
2009-03-19	TESS	Buy	8,000	6.64	53,112
2009-03-20	TESS	Buy	7,898	6.64	52,466
2009-03-23	TESS	Buy	902	6.89	6,216
2007-02-23	TESS	Sale	8,644	30.90	267,073
2007-02-26	TESS	Sale	9,800	31.23	306,014
2007-02-22	TESS	Sale	15,356	30.06	461,616
2007-02-21	TESS	Sale	19,216	29.49	566,622
2007-02-16	TESS	Sale	18,000	27.35	492,372
2007-02-20	TESS	Sale	20,784	28.91	600,907
2007-02-13	TESS	Sale	14,186	27.96	396,598
2007-02-12	TESS	Sale	21,714	26.54	576,311
2007-02-08	TESS	Sale	4,895	24.80	121,391
2007-02-09	TESS	Sale	3,290	24.76	81,447
2007-02-07	TESS	Sale	5,198	24.83	129,087
2007-02-06	TESS	Sale	6,567	24.63	161,758
2007-02-02	TESS	Sale	6,150	24.98	153,596
2007-02-05	TESS	Sale	5,800	24.84	144,054
2007-01-30	TESS	Sale	7,100	26.09	185,246
2007-01-29	TESS	Sale	10,689	25.58	273,435
2007-01-26	TESS	Sale	2,439	25.61	62,455
2007-01-25	TESS	Sale	23,753	25.52	606,057
2007-01-24	TESS	Sale	8,019	25.43	203,883
2007-01-23	TESS	Sale	10,500	25.05	262,993
2007-01-18	TESS	Sale	17,538	22.59	396,236
2006-02-22	TESS	Buy	1,000	17.80	17,800
2006-02-21	TESS	Buy	7,000	17.85	124,936
2006-02-17	TESS	Buy	1,000	17.75	17,750
2006-02-14	TESS	Buy	1,000	17.75	17,750
2006-02-10	TESS	Buy	1,000	17.75	17,750

Table 8. Insider trading of Tier Technologies Inc (OPAY) by Murphy Michael R

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2012-09-05	OPAY	Sale	100	4.00	400
2012-09-07	OPAY	Sale	1,829,013	3.90	7,133,150
2012-09-06	OPAY	Sale	123	4.03	495
2012-09-07	OPAY	Buy	299,800	3.90	1,169,220
2012-08-31	OPAY	Sale	3,650	4.01	14,651
2012-08-30	OPAY	Sale	400	4.01	1,603
2012-09-04	OPAY	Sale	300	4.01	1,201
2012-08-24	OPAY	Sale	100	4.10	409
2012-08-29	OPAY	Sale	600	4.00	2,400
2012-08-21	OPAY	Sale	500	4.07	2,033
2012-08-20	OPAY	Sale	6,615	4.01	26,539
2012-08-22	OPAY	Sale	1,200	4.00	4,803
2012-08-15	OPAY	Sale	6,500	4.00	26,000
2012-08-16	OPAY	Sale	100	4.00	400
2012-08-17	OPAY	Sale	1,897	4.00	7,578
2012-08-14	OPAY	Sale	9,229	4.05	37,377
2012-08-13	OPAY	Sale	2,795	4.15	11,593
2012-08-10	OPAY	Sale	3,160	4.17	13,170
2012-08-09	OPAY	Sale	53,934	4.00	215,843
2012-08-07	OPAY	Sale	1,826	3.95	7,212
2012-07-26	OPAY	Sale	1,000	4.00	4,000
2012-07-18	OPAY	Sale	14,400	4.00	57,614
2012-07-19	OPAY	Sale	2,023	4.02	8,136
2012-07-20	OPAY	Sale	2,335	4.02	9,384
2012-07-13	OPAY	Sale	200	4.00	800
2012-07-11	OPAY	Sale	500	4.00	2,000
2012-07-06	OPAY	Sale	4,960	4.00	19,844
2012-07-09	OPAY	Sale	1,700	4.03	6,845
2012-06-29	OPAY	Sale	33,076	4.11	135,810
2012-06-20	OPAY	Sale	295	4.45	1,312
2012-06-25	OPAY	Sale	6,300	4.35	27,430
2012-06-20	OPAY	Sale	2,527	4.28	10,802
2012-06-18	OPAY	Sale	700	4.40	3,080
2012-06-14	OPAY	Buy	2,150	4.40	9,460
2012-06-12	OPAY	Sale	12,040	4.40	52,976
2012-06-05	OPAY	Sale	1,400	4.30	6,025
2012-06-06	OPAY	Sale	9,809	4.39	43,090
2012-06-07	OPAY	Sale	11,800	4.41	52,014
2012-05-16	OPAY	Sale	49,000	4.75	232,750
2012-05-18	OPAY	Sale	30,791	4.76	146,657
2012-05-17	OPAY	Sale	49,946	4.75	237,243
2009-03-09	TIER	Buy	30,547	5.59	170,757
2009-03-10	TIER	Buy	136,402	5.77	786,493
2009-03-06	TIER	Buy	12,114	5.53	66,966
2009-03-05	TIER	Buy	122,778	5.29	649,741
2009-03-04	TIER	Buy	200,000	5.30	1,059,400

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Murphy Michael R (10% Owner of Atricure, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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