MMM -- Catchup

This is a catchup post, to document all MMM trades since restarted doing covered calls after the option symbology change:

Stock Price	Date	Description	Total	xIRR
$81.22	2010-07-19	Own 1000 shares MMM @ $81.22	-$81,220.00	--
$85.10	2010-07-23	Sell 10 MMM 8/21 2010 $85 Call @ $2.00	$1,980.05	78.4%
$81.71	2010-08-19	Buy 10 MMM 8/21 2010 $85 Call @ $0.05	-$69.95	32.7%
$0.53	2010-09-13	Dividend of $0.525 per share	$525.00	--
$84.88	2010-09-14	Sell 10 MMM 10/16 2010 $85 Call @ $2.00	$1,980.05	38.1%
$88.90	2010-10-14	Buy 10 MMM 10/16 2010 $85 Call @ $3.90	-$3,919.95	41.5%
$88.90	2010-10-14	Sell 10 MMM 11/20 2010 $90 Call @ $1.85	$1,830.05	35.9%
$86.50	2010-11-11	Buy 10 MMM 11/20 2010 $90 Call @ $0.05	-$69.95	27.3%
$0.53	2010-12-16	Dividend of $0.525 per share	$525.00	--
$85.53	2010-12-14	Sell 10 MMM 01/22 2011 $85 Call @ $2.52	$2,500.05	20.5%
$90.00	2011-04-16	1000 shares MMM assigned @ $90.00	$89,975.00	--
$91.40	2011-04-18	Buy 2000 shares MMM @ $91.40	-$182,800.00	--
$91.46	2011-04-18	Sell 20 MMM 5/21 2011 $92.50 Call @ $1.52	$3,010.05	--
$93.94	2011-05-18	2000 shares MMM assigned @ $92.50	$187,855.00	10.0%
$88.01	2011-07-30	Buy 2000 shares MMM @ $88.01	-$176,020.00	4.5%
$0.55	2011-09-12	Dividend of $0.55 per share	$1,100.00	--
$82.30	2011-11-11	Sell 20 MMM 11/19 2011 $82.50 Call @ $1.04	$2,050.05	2.2%
$80.66	2011-11-18	Buy 20 MMM 11/19 2011 $82.50 Call @ $0.05	-$129.95	1.8%
$80.55	2011-11-30	Sell 20 MMM 12/17 2011 $80.00 Call @ $2.27	$4,510.05	10.7%
$0.55	2011-12-12	Dividend of $0.55 per share	$1,100.00	--
$78.74	2011-12-16	Buy 20 MMM 12/17 2011 $80.00 Call @ $0.05	-$129.95	9.2%
$80.17	2011-12-20	Sell 20 MMM 12/23 2011 $80.00 Call @ $0.85	$1,670.05	12.6%
$81.87	2011-12-23	Buy 20 MMM 12/23 2011 $80.00 Call @ $1.90	-$3,829.95	9.6%
$81.91	2011-12-23	Sell 20 MMM 1/21 2012 $82.50 Call @ $1.45	$2,870.05	13.3%