MICHAEL O MAFFIE Insider Trading $SWX SOUTHWEST GAS CORP

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of MICHAEL O MAFFIE. MICHAEL O MAFFIE is CEO in SOUTHWEST GAS CORP ($SWX) and Director in SOUTHWEST GAS CORP ($SWX) and President/CEO in SOUTHWEST GAS CORP ($SWX).

MICHAEL O MAFFIE in SOUTHWEST GAS CORP

Trading Symbol: SWX
Industry: NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
Position of MICHAEL O MAFFIE: Director, President/CEO
Holdings: 1,021 shares
Current Value: $83,487
Latest Transaction: Mar 05 2008
$SWX Market Capitalization: $3.88B
$SWX Previous Close: $81.77

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD

Latest Insider Trading Transactions of MICHAEL O MAFFIE in SOUTHWEST GAS CORP

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Mar 05 2008	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	25.83	8	207	1,021	1 K to 1 K (+0.79 %)
Mar 05 2008	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	25.83	19	491	1,142	1.1 K to 1.1 K (+1.69 %)
Jan 29 2008	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	27.25	500	13,625	1,013	513 to 1 K (+97.47 %)
Dec 05 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	29.33	4	117	513	509 to 513 (+0.79 %)
Sep 25 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.00	3,500	101,500	5,028	8.5 K to 5 K (-41.04 %)
Sep 06 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	29.11	4	116	509	505 to 509 (+0.79 %)
Sep 06 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	29.11	1	29	1,123	1.1 K to 1.1 K (+0.09 %)
Jun 05 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	38.08	3	114	506	503 to 506 (+0.60 %)
Jun 05 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	38.08	15	571	1,122	1.1 K to 1.1 K (+1.36 %)
May 04 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	38.57	503	19,401	503	0 to 503
Mar 05 2007	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	37.03	6	222	1,107	1.1 K to 1.1 K (+0.54 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	23.36	30,000	700,800	0
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	28.94	25,000	723,500	0
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	36.95	30,000	1,108,500	8,528	38.5 K to 8.5 K (-77.87 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	23.36	30,000	700,800	38,528	8.5 K to 38.5 K (+351.78 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	36.98	25,000	924,500	8,528	33.5 K to 8.5 K (-74.56 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	28.94	25,000	723,500	33,528	8.5 K to 33.5 K (+293.15 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	15,000	316,350	0
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	23.36	20,000	467,200	30,000
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	23.06	25,000	576,500	0
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	37.00	20,000	740,000	8,528	28.5 K to 8.5 K (-70.11 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	23.36	20,000	467,200	28,528	8.5 K to 28.5 K (+234.52 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	37.00	25,000	925,000	8,528	33.5 K to 8.5 K (-74.56 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	23.06	25,000	576,500	33,528	8.5 K to 33.5 K (+293.15 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	36.90	15,000	553,500	8,528	23.5 K to 8.5 K (-63.75 %)
Nov 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	15,000	316,350	23,528	8.5 K to 23.5 K (+175.89 %)
Jun 08 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	7,100	154,354	0
Jun 08 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.25	7,100	207,675	8,528	15.6 K to 8.5 K (-45.43 %)
Jun 08 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	7,100	154,354	15,628	8.5 K to 15.6 K (+83.26 %)
Jun 08 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	2,400	52,176	7,100
Jun 08 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.25	2,400	70,200	8,528	10.9 K to 8.5 K (-21.96 %)
Jun 08 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	2,400	52,176	10,928	8.5 K to 10.9 K (+28.14 %)
Jun 06 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	100	2,174	9,500
Jun 06 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.53	100	2,953	8,528	8.6 K to 8.5 K (-1.16 %)
Jun 06 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	100	2,174	8,628	8.5 K to 8.6 K (+1.17 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	400	8,696	9,600
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	5,000	108,700	10,000
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	5,000	108,700	15,000
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	9,900	215,226	20,000
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.15	400	11,660	8,528	8.9 K to 8.5 K (-4.48 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	400	8,696	8,928	8.5 K to 8.9 K (+4.69 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.13	5,000	145,650	8,528	13.5 K to 8.5 K (-36.96 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	5,000	108,700	13,528	8.5 K to 13.5 K (+58.63 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.10	5,000	145,500	8,528	13.5 K to 8.5 K (-36.96 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	5,000	108,700	13,528	8.5 K to 13.5 K (+58.63 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.05	9,900	287,595	8,528	18.4 K to 8.5 K (-53.72 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	9,900	215,226	18,428	8.5 K to 18.4 K (+116.09 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	5,000	108,700	29,900
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	100	2,174	34,900
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.10	5,000	145,500	8,528	13.5 K to 8.5 K (-36.96 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	5,000	108,700	13,528	8.5 K to 13.5 K (+58.63 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.15	100	2,915	8,528	8.6 K to 8.5 K (-1.16 %)
May 10 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	100	2,174	8,628	8.5 K to 8.6 K (+1.17 %)
May 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	10,000	217,400	35,000
May 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.74	5,000	108,700	45,000
May 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.20	10,000	292,000	8,528	18.5 K to 8.5 K (-53.97 %)
May 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	10,000	217,400	18,528	8.5 K to 18.5 K (+117.26 %)
May 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	29.15	5,000	145,750	8,528	13.5 K to 8.5 K (-36.96 %)
May 09 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.74	5,000	108,700	13,528	8.5 K to 13.5 K (+58.63 %)
May 04 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	A	29.08	3,000	87,240	3,000
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	5,000	105,450	35,000
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	5,000	105,450	40,000
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	5,000	105,450	45,000
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.35	5,000	141,750	8,528	13.5 K to 8.5 K (-36.96 %)
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	5,000	105,450	13,528	8.5 K to 13.5 K (+58.63 %)
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.30	5,000	141,500	8,528	13.5 K to 8.5 K (-36.96 %)
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	5,000	105,450	13,528	8.5 K to 13.5 K (+58.63 %)
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.40	5,000	142,000	8,528	13.5 K to 8.5 K (-36.96 %)
Mar 30 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	5,000	105,450	13,528	8.5 K to 13.5 K (+58.63 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	4,300	90,687	15,000
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	700	14,763	19,300
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	5,000	105,450	20,000
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	21.09	10,000	210,900	25,000
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.25	4,300	121,475	8,528	12.8 K to 8.5 K (-33.52 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	4,300	90,687	12,828	8.5 K to 12.8 K (+50.42 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.40	700	19,880	8,528	9.2 K to 8.5 K (-7.59 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	700	14,763	9,228	8.5 K to 9.2 K (+8.21 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.30	5,000	141,500	8,528	13.5 K to 8.5 K (-36.96 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	5,000	105,450	13,528	8.5 K to 13.5 K (+58.63 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	28.35	10,000	283,500	8,528	18.5 K to 8.5 K (-53.97 %)
Mar 31 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	21.09	10,000	210,900	18,528	8.5 K to 18.5 K (+117.26 %)
Mar 02 2006	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	28.77	7	201	1,084	1.1 K to 1.1 K (+0.65 %)
Sep 09 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	17.94	13,900	249,366	0
Sep 09 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	27.48	13,900	381,972	8,528	22.4 K to 8.5 K (-61.98 %)
Sep 09 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	17.94	13,900	249,366	22,428	8.5 K to 22.4 K (+162.99 %)
Sep 09 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	17.94	8,000	143,520	13,900
Sep 09 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	27.50	8,000	220,000	8,528	16.5 K to 8.5 K (-48.40 %)
Sep 09 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	17.94	8,000	143,520	16,528	8.5 K to 16.5 K (+93.81 %)
Sep 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	M	17.94	8,100	145,314	21,900
Sep 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	27.60	8,100	223,560	8,528	16.6 K to 8.5 K (-48.71 %)
Sep 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Buy	M	17.94	8,100	145,314	16,628	8.5 K to 16.6 K (+94.98 %)
Jun 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.30	5,000	126,500	8,528	13.5 K to 8.5 K (-36.96 %)
Jun 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.25	5,000	126,250	13,528	18.5 K to 13.5 K (-26.99 %)
Jun 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.20	10,000	252,000	18,528	28.5 K to 18.5 K (-35.05 %)
Jun 08 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.15	5,000	125,750	28,528	33.5 K to 28.5 K (-14.91 %)
May 06 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Option Exercise	A	25.00	3,000	75,000	3,000
Mar 17 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.19	2,000	50,380	40,728	42.7 K to 40.7 K (-4.68 %)
Mar 17 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.18	2,000	50,360	42,728	44.7 K to 42.7 K (-4.47 %)
Mar 17 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.20	4,373	110,200	44,728	49.1 K to 44.7 K (-8.91 %)
Mar 18 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.05	5,200	130,260	33,528	38.7 K to 33.5 K (-13.43 %)
Mar 18 2005	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	25.10	2,000	50,200	38,728	40.7 K to 38.7 K (-4.91 %)
Nov 02 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	24.80	500	12,400	49,101	49.6 K to 49.1 K (-1.01 %)
Nov 02 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	24.83	10,180	252,769	49,601	59.8 K to 49.6 K (-17.03 %)
Sep 29 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	23.70	9,000	213,300	59,781	68.8 K to 59.8 K (-13.09 %)
Sep 17 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	23.96	6,573	157,489	68,781	75.4 K to 68.8 K (-8.72 %)
Sep 17 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	S	23.96	6,573	157,489	68,781	75.4 K to 68.8 K (-8.72 %)
Jun 02 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Sell	D	22.67	21,752	493,118	75,354	97.1 K to 75.4 K (-22.40 %)
Jun 02 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Payment of Exercise	F	22.67	7,500	170,025	97,106	104.6 K to 97.1 K (-7.17 %)
Jun 02 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	Director	Grant	A	22.67	562	12,741	104,606	104 K to 104.6 K (+0.54 %)
Apr 13 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	CEO	Sell	S	23.68	5,000	118,400	104,044	109 K to 104 K (-4.59 %)
Mar 02 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	CEO	Buy	J	23.45	352	8,254	108,857	108.5 K to 108.9 K (+0.32 %)
Jan 21 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	President/CEO	Grant	A	0.00	21,370	0	117,904	96.5 K to 117.9 K (+22.14 %)
Jan 21 2004	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	President/CEO	Payment of Exercise	F	22.45	8,385	188,243	109,519	117.9 K to 109.5 K (-7.11 %)
Dec 01 2003	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	President/CEO	Buy	J	22.90	570	13,053	96,534	96 K to 96.5 K (+0.59 %)
Sep 02 2003	SWX	SOUTHWEST GAS CORP	MAFFIE MICHAEL O	President/CEO	Buy	J	23.17	553	12,813	95,964	95.4 K to 96 K (+0.58 %)

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