Shelley Boxer

Insider

First SEC filing: Nov. 18, 2003 · Latest: Nov. 18, 2003

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

MSM selling Jan. 9, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 68 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

68 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 17, 2012	MSM	F	1,373	$69.64	$95,616	2,415 Direct	-36.25%	Disposed	70.1% (price as of 2026-08-20)
Jan. 9, 2012	MSM	S	900	$72.86	$65,574	3,788 Direct	-19.20%	Disposed	62.6% (price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,227	—	—	3,684 Direct	-24.98%	Disposed	(price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,420	—	—	2,839 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,500	—	—	1,500 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2011	MSM	S	47	$70.78	$3,327	4,688 Direct	-0.99%	Disposed	67.4% (price as of 2026-08-20)
Oct. 28, 2011	MSM	S	5,600	$70.01	$392,056	4,735 Direct	-54.18%	Disposed	69.2% (price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,227	$54.52	$66,896	10,335 Direct	+13.47%	Acquired	117.3% (price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,420	$44.17	$62,721	9,108 Direct	+18.47%	Acquired	168.2% (price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,500	$38.07	$57,105	7,688 Direct	+24.24%	Acquired	211.2% (price as of 2026-08-20)
Oct. 28, 2011	MSM	M	1,500	$48.21	$72,315	6,188 Direct	+32.00%	Acquired	145.7% (price as of 2026-08-20)
Oct. 21, 2011	MSM	A	4,013	—	—	4,013 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 21, 2011	MSM	A	764	—	—	4,688 Direct	+19.47%	Acquired	(price as of 2026-08-20)
Oct. 18, 2011	MSM	F	96	$63.91	$6,135	3,924 Direct	-2.39%	Disposed	85.4% (price as of 2026-08-20)
Oct. 16, 2011	MSM	F	417	$65.05	$27,126	4,020 Direct	-9.40%	Disposed	82.1% (price as of 2026-08-20)
May 4, 2011	MSM	S	4,000	$71.00	$284,000	4,437 Direct	-47.41%	Disposed	66.9% (price as of 2026-08-20)
April 20, 2011	MSM	M	1,419	—	—	4,259 Direct	-24.99%	Disposed	(price as of 2026-08-20)
April 20, 2011	MSM	M	4,500	—	—	1,500 Direct	-75.00%	Disposed	(price as of 2026-08-20)
April 20, 2011	MSM	S	10,362	$71.00	$735,702	8,437 Direct	-55.12%	Disposed	66.9% (price as of 2026-08-20)
April 20, 2011	MSM	M	1,419	$44.17	$62,677	18,799 Direct	+8.16%	Acquired	168.2% (price as of 2026-08-20)
April 20, 2011	MSM	M	4,500	$48.21	$216,945	17,380 Direct	+34.94%	Acquired	145.7% (price as of 2026-08-20)
Jan. 12, 2011	MSM	M	4,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 12, 2011	MSM	S	4,500	$60.68	$273,060	12,880 Direct	-25.89%	Disposed	95.2% (price as of 2026-08-20)
Jan. 12, 2011	MSM	M	4,500	$42.78	$192,510	17,380 Direct	+34.94%	Acquired	176.9% (price as of 2026-08-20)
Jan. 10, 2011	MSM	F	184	$60.67	$11,163	12,880 Direct	-1.41%	Disposed	95.3% (price as of 2026-08-20)
Jan. 6, 2011	MSM	F	77	$65.26	$5,025	13,064 Direct	-0.59%	Disposed	81.5% (price as of 2026-08-20)
Oct. 25, 2010	MSM	M	3,000	—	—	3,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Oct. 25, 2010	MSM	M	5,000	—	—	4,500 Direct	-52.63%	Disposed	(price as of 2026-08-20)
Oct. 25, 2010	MSM	S	8,000	$58.26	$466,080	13,141 Direct	-37.84%	Disposed	103.3% (price as of 2026-08-20)
Oct. 25, 2010	MSM	M	3,000	$38.07	$114,210	21,141 Direct	+16.54%	Acquired	211.2% (price as of 2026-08-20)
Oct. 25, 2010	MSM	M	5,000	$42.78	$213,900	18,141 Direct	+38.05%	Acquired	176.9% (price as of 2026-08-20)
Oct. 19, 2010	MSM	A	4,911	—	—	4,911 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 19, 2010	MSM	A	935	—	—	13,141 Direct	+7.66%	Acquired	(price as of 2026-08-20)
Oct. 18, 2010	MSM	F	199	$54.98	$10,941	12,206 Direct	-1.60%	Disposed	115.5% (price as of 2026-08-20)
Oct. 18, 2010	MSM	F	180	$54.98	$9,896	12,405 Direct	-1.43%	Disposed	115.5% (price as of 2026-08-20)
April 13, 2010	MSM	M	6,087	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 13, 2010	MSM	S	6,087	$55.46	$337,585	12,585 Direct	-32.60%	Disposed	113.6% (price as of 2026-08-20)
April 13, 2010	MSM	M	6,087	$37.45	$227,958	18,672 Direct	+48.37%	Acquired	216.3% (price as of 2026-08-20)
April 9, 2010	MSM	M	3,413	—	—	6,087 Direct	-35.93%	Disposed	(price as of 2026-08-20)
April 9, 2010	MSM	S	3,413	$56.39	$192,459	12,585 Direct	-21.33%	Disposed	110.1% (price as of 2026-08-20)
April 9, 2010	MSM	M	3,413	$37.45	$127,817	15,998 Direct	+27.12%	Acquired	216.3% (price as of 2026-08-20)
Jan. 10, 2010	MSM	F	199	$47.69	$9,490	12,585 Direct	-1.56%	Disposed	148.4% (price as of 2026-08-20)
Jan. 6, 2010	MSM	F	83	$49.03	$4,069	12,784 Direct	-0.65%	Disposed	141.6% (price as of 2026-08-20)
Jan. 4, 2010	MSM	F	233	$47.00	$10,951	12,867 Direct	-1.78%	Disposed	152.1% (price as of 2026-08-20)
Oct. 23, 2009	MSM	M	7,125	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 23, 2009	MSM	M	4,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 23, 2009	MSM	S	11,925	$47.81	$570,134	13,100 Direct	-47.65%	Disposed	147.8% (price as of 2026-08-20)
Oct. 23, 2009	MSM	M	7,125	$32.40	$230,850	25,025 Direct	+39.80%	Acquired	265.6% (price as of 2026-08-20)
Oct. 23, 2009	MSM	M	4,800	$23.41	$112,368	17,900 Direct	+36.64%	Acquired	406.1% (price as of 2026-08-20)
Oct. 16, 2009	MSM	F	360	$45.40	$16,344	13,100 Direct	-2.67%	Disposed	160.9% (price as of 2026-08-20)
Oct. 13, 2009	MSM	A	5,678	—	—	5,678 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 13, 2009	MSM	A	1,154	—	—	13,460 Direct	+9.38%	Acquired	(price as of 2026-08-20)
Jan. 10, 2009	MSM	F	364	$33.65	$12,249	12,306 Direct	-2.87%	Disposed	252.1% (price as of 2026-08-20)
Jan. 7, 2009	MSM	F	73	$37.66	$2,749	12,670 Direct	-0.57%	Disposed	214.6% (price as of 2026-08-20)
Jan. 4, 2009	MSM	F	214	$36.83	$7,882	12,743 Direct	-1.65%	Disposed	221.7% (price as of 2026-08-20)
Oct. 16, 2008	MSM	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 16, 2008	MSM	A	1,339	—	—	12,957 Direct	+11.53%	Acquired	(price as of 2026-08-20)
Jan. 6, 2008	MSM	F	76	$38.85	$2,953	11,618 Direct	-0.65%	Disposed	204.9% (price as of 2026-08-20)
Jan. 4, 2008	MSM	F	426	$38.85	$16,550	11,694 Direct	-3.51%	Disposed	204.9% (price as of 2026-08-20)
Oct. 18, 2007	MSM	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 18, 2007	MSM	A	1,058	—	—	12,120 Direct	+9.56%	Acquired	(price as of 2026-08-20)
July 9, 2007	MSM	M	2,375	—	—	7,125 Direct	-25.00%	Disposed	(price as of 2026-08-20)
July 9, 2007	MSM	M	2,400	—	—	4,800 Direct	-33.33%	Disposed	(price as of 2026-08-20)
July 9, 2007	MSM	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 9, 2007	MSM	S	8,658	$57.00	$493,506	11,062 Direct	-43.90%	Disposed	107.8% (price as of 2026-08-20)
July 9, 2007	MSM	S	51	$57.02	$2,908	19,720 Direct	-0.26%	Disposed	107.8% (price as of 2026-08-20)
July 9, 2007	MSM	S	66	$57.08	$3,767	19,771 Direct	-0.33%	Disposed	107.6% (price as of 2026-08-20)
July 9, 2007	MSM	M	2,375	$32.40	$76,950	19,837 Direct	+13.60%	Acquired	265.6% (price as of 2026-08-20)
July 9, 2007	MSM	M	2,400	$23.41	$56,184	17,462 Direct	+15.93%	Acquired	406.1% (price as of 2026-08-20)
July 9, 2007	MSM	M	4,000	$14.50	$58,000	15,062 Direct	+36.16%	Acquired	717.0% (price as of 2026-08-20)
Jan. 8, 2007	MSM	F	326	$41.78	$13,620	11,062 Direct	-2.86%	Disposed	183.6% (price as of 2026-08-20)
Oct. 16, 2006	MSM	A	9,500	—	—	9,500 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 16, 2006	MSM	A	1,917	—	—	11,388 Direct	+20.24%	Acquired	(price as of 2026-08-20)
July 28, 2006	MSM	M	4,800	—	—	7,200 Direct	-40.00%	Disposed	(price as of 2026-08-20)
July 28, 2006	MSM	S	300	$41.21	$12,363	9,471 Direct	-3.07%	Disposed	187.5% (price as of 2026-08-20)
July 28, 2006	MSM	S	1,800	$41.90	$75,420	9,771 Direct	-15.56%	Disposed	182.7% (price as of 2026-08-20)
July 28, 2006	MSM	S	700	$41.15	$28,805	11,571 Direct	-5.70%	Disposed	187.9% (price as of 2026-08-20)
July 28, 2006	MSM	S	1,000	$41.12	$41,120	12,271 Direct	-7.54%	Disposed	188.1% (price as of 2026-08-20)
July 28, 2006	MSM	S	1,000	$41.00	$41,000	13,271 Direct	-7.01%	Disposed	189.0% (price as of 2026-08-20)
July 28, 2006	MSM	M	4,800	$23.41	$112,368	14,271 Direct	+50.68%	Acquired	406.1% (price as of 2026-08-20)
April 4, 2006	MSM	M	12,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 4, 2006	MSM	S	3,300	$52.60	$173,580	9,471 Direct	-25.84%	Disposed	125.2% (price as of 2026-08-20)
April 4, 2006	MSM	S	300	$52.59	$15,777	12,771 Direct	-2.30%	Disposed	125.3% (price as of 2026-08-20)
April 4, 2006	MSM	S	300	$52.58	$15,774	13,071 Direct	-2.24%	Disposed	125.3% (price as of 2026-08-20)
April 4, 2006	MSM	S	1,200	$52.57	$63,084	13,371 Direct	-8.24%	Disposed	125.4% (price as of 2026-08-20)
April 4, 2006	MSM	S	600	$52.54	$31,524	14,571 Direct	-3.95%	Disposed	125.5% (price as of 2026-08-20)
April 4, 2006	MSM	S	200	$52.52	$10,504	15,171 Direct	-1.30%	Disposed	125.6% (price as of 2026-08-20)
April 4, 2006	MSM	S	200	$52.51	$10,502	15,371 Direct	-1.28%	Disposed	125.6% (price as of 2026-08-20)
April 4, 2006	MSM	S	3,000	$52.50	$157,500	15,571 Direct	-16.15%	Disposed	125.7% (price as of 2026-08-20)
April 4, 2006	MSM	S	100	$52.46	$5,246	18,571 Direct	-0.54%	Disposed	125.8% (price as of 2026-08-20)
April 4, 2006	MSM	S	3,500	$52.45	$183,575	18,671 Direct	-15.79%	Disposed	125.9% (price as of 2026-08-20)
April 4, 2006	MSM	S	100	$52.39	$5,239	22,171 Direct	-0.45%	Disposed	126.1% (price as of 2026-08-20)
April 4, 2006	MSM	M	12,800	$19.00	$243,200	22,271 Direct	+135.15%	Acquired	523.5% (price as of 2026-08-20)
Jan. 10, 2006	MSM	A	1,820	—	—	9,471 Direct	+23.79%	Acquired	(price as of 2026-08-20)
Nov. 14, 2005	MSM	M	4,000	$13.94	$55,760	11,651 Direct	+52.28%	Acquired	749.9% (price as of 2026-08-20)
Nov. 14, 2005	MSM	M	9,000	$14.50	$130,500	20,651 Direct	+77.25%	Acquired	717.0% (price as of 2026-08-20)
Nov. 14, 2005	MSM	S	12,300	$38.07	$468,261	8,351 Direct	-59.56%	Disposed	211.2% (price as of 2026-08-20)
Nov. 14, 2005	MSM	S	200	$38.10	$7,620	8,151 Direct	-2.39%	Disposed	210.9% (price as of 2026-08-20)
Nov. 14, 2005	MSM	S	100	$38.11	$3,811	8,051 Direct	-1.23%	Disposed	210.9% (price as of 2026-08-20)

Showing latest 100 of 295 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Oct. 28, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $0.001 par value (1,227)	$54.52	Oct. 18, 2017	1,227	Disposed
Oct. 28, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $0.001 par value (1,420)	$44.17	Oct. 12, 2016	1,420	Disposed
Oct. 28, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $0.001 par value (1,500)	$38.07	Oct. 15, 2015	1,500	Disposed
Oct. 28, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $0.001 par value (1,500)	$48.21	Oct. 17, 2014	1,500	Disposed
Oct. 21, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $0.001 par value (4,013)	$66.69	Oct. 20, 2018	4,013	Acquired
April 20, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (1,419)	$44.17	Oct. 12, 2016	1,419	Disposed
April 20, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (4,500)	$48.21	Oct. 17, 2014	4,500	Disposed
Jan. 12, 2011	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (4,500)	$42.78	Oct. 15, 2013	4,500	Disposed
Oct. 25, 2010	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (3,000)	$38.07	Oct. 15, 2015	3,000	Disposed
Oct. 25, 2010	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (5,000)	$42.78	Oct. 15, 2013	5,000	Disposed
Oct. 19, 2010	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (4,911)	$54.52	Oct. 19, 2017	4,911	Acquired
April 13, 2010	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (6,087)	$37.45	Oct. 20, 2012	6,087	Disposed
April 9, 2010	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (3,413)	$37.45	Oct. 20, 2012	3,413	Disposed
Oct. 23, 2009	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (7,125)	$32.40	Oct. 26, 2011	7,125	Disposed
Oct. 23, 2009	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (4,800)	$23.41	Oct. 21, 2013	4,800	Disposed
Oct. 13, 2009	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (5,678)	$44.17	Oct. 13, 2016	5,678	Acquired
Oct. 16, 2008	MSM	Options (right to buy) [F2]	Class A Common Stock, $.001 par value (6,000)	$38.07	Oct. 16, 2015	6,000	Acquired
Oct. 18, 2007	MSM	Options (right to buy) [F2]	Class A Common Stock, $0.001 par value per share (6,000)	$48.21	Oct. 18, 2014	6,000	Acquired
July 9, 2007	MSM	Options (right to buy) [F1]	See Footnote [F5] (2,375)	$32.40	Oct. 26, 2011	2,375	Disposed
July 9, 2007	MSM	Options (right to buy) [F1]	See Footnote [F5] (2,400)	$23.41	Oct. 20, 2013	2,400	Disposed
July 9, 2007	MSM	Options (right to buy) [F1]	See Footnote [F5] (4,000)	$14.50	Sept. 21, 2011	4,000	Disposed
Oct. 16, 2006	MSM	Options (right to buy) [F2]	See footnote [F2] (9,500)	$42.78	Oct. 16, 2013	9,500	Acquired
July 28, 2006	MSM	Options (right to buy) [F1]	See Footnote [F3] (4,800)	$23.41	Oct. 20, 2013	4,800	Disposed
April 4, 2006	MSM	Options (right to buy) [F1]	See Footnote [F3] (12,800)	$19.00	Nov. 19, 2007	12,800	Disposed
Nov. 14, 2005	MSM	Options (right to buy) [F1]	See Footnote [F4] (4,000)	$13.94	Nov. 9, 2010	4,000	Disposed
Nov. 14, 2005	MSM	Options (right to buy) [F1]	See Footnote [F4] (9,000)	$14.50	Sept. 21, 2011	9,000	Disposed
Oct. 21, 2005	MSM	Options (right to buy)	See Footnote [F2] (9,500)	$37.45	Oct. 21, 2012	9,500	Acquired
July 19, 2005	MSM	Options (right to buy) [F1]	See Footnote [F3] (16,000)	$15.25	April 28, 2007	16,000	Disposed
Jan. 10, 2005	MSM	Options (right to buy) [F1]	See Footnote [F5] (9,000)	$14.25	Oct. 14, 2008	9,000	Disposed
Jan. 10, 2005	MSM	Options (right to buy) [F1]	See Footnote [F5] (7,000)	$14.50	Sept. 21, 2011	7,000	Disposed
Jan. 10, 2005	MSM	Options (right to buy) [F1]	See Footnote [F5] (4,000)	$13.94	Nov. 9, 2010	4,000	Disposed
Nov. 2, 2004	MSM	Options (right to buy) [F1]	See Footnote [F4] (6,000)	$14.25	Oct. 14, 2008	6,000	Disposed
Nov. 2, 2004	MSM	Options (right to buy) [F1]	See Footnote [F4] (8,652)	$13.94	Nov. 9, 2009	8,652	Disposed
Nov. 1, 2004	MSM	Options (right to buy) [F1]	See Footnote [F4] (3,348)	$13.94	Nov. 9, 2010	3,348	Disposed
Nov. 1, 2004	MSM	Options (right to buy) [F1]	See Footnote [F4] (4,000)	$7.75	Oct. 19, 2009	4,000	Disposed
Oct. 26, 2004	MSM	Options (right to buy)	See Footnote [F2] (9,500)	$32.40	Oct. 26, 2011	9,500	Acquired
Aug. 2, 2004	MSM	Options (right to buy) [F1]	See footnote [F3] (23,953)	$14.50	Oct. 14, 2008	23,953	Disposed
July 27, 2004	MSM	Stock Option (right to buy) [F1]	See Footnote [F3] (2,014)	$14.25	Oct. 14, 2008	2,014	Disposed
July 22, 2004	MSM	Options (right to buy) [F1]	See footnote [F3] (4,033)	$14.25	Oct. 14, 2008	4,033	Disposed
April 6, 2004	MSM	Options (right to buy) [F1]	SEE FOOTNOTE [F3] (30,000)	$14.25	Oct. 14, 2008	30,000	Disposed
Nov. 14, 2003	MSM	Options (right to buy) [F1]	See Footnote [F4] (12,000)	$7.75	Oct. 19, 2009	12,000	Disposed
Nov. 14, 2003	MSM	Options (right to buy) [F1]	See Footnote [F4] (30,588)	$9.50	Dec. 15, 2005	30,588	Disposed
Oct. 21, 2003	MSM	Options (right to buy)	See Footnote [F2] (12,000)	$23.41	Oct. 21, 2013	12,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).