David G Maffucci

Insider

First SEC filing: May 27, 2005 · Latest: May 27, 2005

On this page

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

MLM selling Aug. 11, 2016

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 86 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

86 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 31, 2018	MLM	A	27	$222.87	$6,017	17,874 Direct	+0.15%	Acquired	136.4% (price as of 2026-08-20)
May 17, 2018	MLM	A	609	—	—	17,847 Direct	+3.53%	Acquired	(price as of 2026-08-20)
Feb. 28, 2018	MLM	A	37	$163.14	$6,036	17,238 Direct	+0.22%	Acquired	222.9% (price as of 2026-08-20)
Nov. 30, 2017	MLM	A	36	$166.71	$6,002	17,201 Direct	+0.21%	Acquired	216.0% (price as of 2026-08-20)
Aug. 31, 2017	MLM	A	36	$169.59	$6,105	17,165 Direct	+0.21%	Acquired	210.6% (price as of 2026-08-20)
May 31, 2017	MLM	A	34	$179.28	$6,096	17,129 Direct	+0.20%	Acquired	193.9% (price as of 2026-08-20)
May 18, 2017	MLM	A	437	—	—	17,095 Direct	+2.62%	Acquired	(price as of 2026-08-20)
Feb. 28, 2017	MLM	A	35	$172.76	$6,047	16,658 Direct	+0.21%	Acquired	204.9% (price as of 2026-08-20)
Nov. 30, 2016	MLM	A	35	$175.56	$6,145	16,623 Direct	+0.21%	Acquired	200.1% (price as of 2026-08-20)
Aug. 31, 2016	MLM	A	41	$146.42	$6,003	16,588 Direct	+0.25%	Acquired	259.8% (price as of 2026-08-20)
Aug. 11, 2016	MLM	S	779	$200.47	$156,166	16,547 Direct	-4.50%	Disposed	162.8% (price as of 2026-08-20)
Aug. 10, 2016	MLM	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 10, 2016	MLM	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 10, 2016	MLM	S	6,000	$199.83	$1,198,980	17,326 Direct	-25.72%	Disposed	163.6% (price as of 2026-08-20)
Aug. 10, 2016	MLM	M	3,000	—	—	23,326 Direct	+14.76%	Acquired	(price as of 2026-08-20)
Aug. 10, 2016	MLM	M	3,000	—	—	20,326 Direct	+17.32%	Acquired	(price as of 2026-08-20)
May 31, 2016	MLM	A	40	$151.23	$6,049	17,326 Direct	+0.23%	Acquired	248.4% (price as of 2026-08-20)
May 19, 2016	MLM	A	541	—	—	17,286 Direct	+3.23%	Acquired	(price as of 2026-08-20)
Feb. 29, 2016	MLM	A	53	$114.10	$6,047	16,745 Direct	+0.32%	Acquired	361.7% (price as of 2026-08-20)
Nov. 30, 2015	MLM	A	48	$125.92	$6,044	16,692 Direct	+0.29%	Acquired	318.4% (price as of 2026-08-20)
Aug. 31, 2015	MLM	A	45	$134.24	$6,041	16,644 Direct	+0.27%	Acquired	292.5% (price as of 2026-08-20)
Aug. 18, 2015	MLM	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 18, 2015	MLM	S	3,000	$174.49	$523,470	16,599 Direct	-15.31%	Disposed	201.9% (price as of 2026-08-20)
Aug. 18, 2015	MLM	M	3,000	—	—	19,599 Direct	+18.07%	Acquired	(price as of 2026-08-20)
May 29, 2015	MLM	A	53	$119.21	$6,318	16,599 Direct	+0.32%	Acquired	341.9% (price as of 2026-08-20)
May 21, 2015	MLM	A	647	—	—	16,546 Direct	+4.07%	Acquired	(price as of 2026-08-20)
March 31, 2015	MLM	A	12	$111.84	$1,342	15,899 Direct	+0.08%	Acquired	371.1% (price as of 2026-08-20)
Dec. 31, 2014	MLM	A	12	$110.35	$1,324	15,887 Direct	+0.08%	Acquired	377.4% (price as of 2026-08-20)
Sept. 30, 2014	MLM	A	10	$103.15	$1,032	15,875 Direct	+0.06%	Acquired	410.7% (price as of 2026-08-20)
June 30, 2014	MLM	A	12	$105.64	$1,268	15,865 Direct	+0.08%	Acquired	398.7% (price as of 2026-08-20)
May 22, 2014	MLM	A	910	—	—	15,853 Direct	+6.09%	Acquired	(price as of 2026-08-20)
May 22, 2014	MLM	A	109	$96.80	$10,551	14,943 Direct	+0.73%	Acquired	444.2% (price as of 2026-08-20)
March 31, 2014	MLM	A	22	$102.68	$2,259	14,834 Direct	+0.15%	Acquired	413.1% (price as of 2026-08-20)
Feb. 6, 2014	MLM	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 6, 2014	MLM	S	2,520	$112.18	$282,694	14,812 Direct	-14.54%	Disposed	369.6% (price as of 2026-08-20)
Feb. 6, 2014	MLM	S	480	$112.18	$53,846	17,332 Direct	-2.69%	Disposed	369.6% (price as of 2026-08-20)
Feb. 6, 2014	MLM	M	3,000	—	—	17,812 Direct	+20.25%	Acquired	(price as of 2026-08-20)
Dec. 31, 2013	MLM	A	79	$79.95	$6,316	14,812 Direct	+0.54%	Acquired	558.9% (price as of 2026-08-20)
Sept. 30, 2013	MLM	A	24	$78.54	$1,885	14,733 Direct	+0.16%	Acquired	570.8% (price as of 2026-08-20)
June 28, 2013	MLM	A	32	$78.74	$2,520	14,709 Direct	+0.22%	Acquired	569.1% (price as of 2026-08-20)
May 23, 2013	MLM	A	1,017	—	—	14,677 Direct	+7.45%	Acquired	(price as of 2026-08-20)
May 23, 2013	MLM	A	304	$86.59	$26,323	13,660 Direct	+2.28%	Acquired	508.4% (price as of 2026-08-20)
March 28, 2013	MLM	A	54	$81.62	$4,407	13,356 Direct	+0.41%	Acquired	545.5% (price as of 2026-08-20)
Dec. 31, 2012	MLM	A	67	$75.42	$5,053	13,302 Direct	+0.51%	Acquired	598.5% (price as of 2026-08-20)
Sept. 28, 2012	MLM	A	76	$66.30	$5,039	13,235 Direct	+0.58%	Acquired	694.6% (price as of 2026-08-20)
June 29, 2012	MLM	A	100	$63.06	$6,306	13,159 Direct	+0.77%	Acquired	735.4% (price as of 2026-08-20)
May 24, 2012	MLM	A	1,592	—	—	13,059 Direct	+13.88%	Acquired	(price as of 2026-08-20)
May 24, 2012	MLM	A	950	$55.30	$52,535	11,467 Direct	+9.03%	Acquired	852.7% (price as of 2026-08-20)
March 30, 2012	MLM	A	110	$68.50	$7,535	10,517 Direct	+1.06%	Acquired	669.1% (price as of 2026-08-20)
Dec. 30, 2011	MLM	A	125	$60.33	$7,541	10,407 Direct	+1.22%	Acquired	773.2% (price as of 2026-08-20)
Sept. 30, 2011	MLM	A	99	$50.58	$5,007	10,282 Direct	+0.97%	Acquired	941.6% (price as of 2026-08-20)
June 30, 2011	MLM	A	79	$63.98	$5,054	10,183 Direct	+0.78%	Acquired	723.4% (price as of 2026-08-20)
May 12, 2011	MLM	A	1,266	—	—	10,104 Direct	+14.32%	Acquired	(price as of 2026-08-20)
May 12, 2011	MLM	A	756	$69.52	$52,557	8,838 Direct	+9.35%	Acquired	657.8% (price as of 2026-08-20)
March 31, 2011	MLM	A	140	$71.74	$10,044	8,082 Direct	+1.76%	Acquired	634.4% (price as of 2026-08-20)
Dec. 31, 2010	MLM	A	85	$73.79	$6,272	7,942 Direct	+1.08%	Acquired	614.0% (price as of 2026-08-20)
Sept. 30, 2010	MLM	A	82	$61.58	$5,050	7,857 Direct	+1.05%	Acquired	755.5% (price as of 2026-08-20)
June 30, 2010	MLM	A	93	$67.85	$6,310	7,775 Direct	+1.21%	Acquired	676.5% (price as of 2026-08-20)
May 27, 2010	MLM	A	1,155	—	—	7,682 Direct	+17.70%	Acquired	(price as of 2026-08-20)
May 27, 2010	MLM	A	689	$76.22	$52,516	6,527 Direct	+11.80%	Acquired	591.2% (price as of 2026-08-20)
April 22, 2010	MLM	A	17	$76.75	$1,305	5,838 Direct	+0.29%	Acquired	586.4% (price as of 2026-08-20)
March 31, 2010	MLM	A	94	$66.84	$6,283	5,821 Direct	+1.64%	Acquired	688.2% (price as of 2026-08-20)
Dec. 31, 2009	MLM	A	70	$71.53	$5,007	5,727 Direct	+1.24%	Acquired	636.5% (price as of 2026-08-20)
Sept. 30, 2009	MLM	A	68	$73.66	$5,009	5,657 Direct	+1.22%	Acquired	615.2% (price as of 2026-08-20)
June 30, 2009	MLM	A	80	$63.10	$5,048	5,589 Direct	+1.45%	Acquired	734.9% (price as of 2026-08-20)
May 27, 2009	MLM	A	823	$63.83	$52,532	5,509 Direct	+17.56%	Acquired	725.4% (price as of 2026-08-20)
May 27, 2009	MLM	A	1,379	—	—	4,686 Direct	+41.70%	Acquired	(price as of 2026-08-20)
March 31, 2009	MLM	A	138	$63.44	$8,755	3,307 Direct	+4.35%	Acquired	730.4% (price as of 2026-08-20)
Dec. 31, 2008	MLM	A	81	$77.66	$6,290	3,169 Direct	+2.62%	Acquired	578.4% (price as of 2026-08-20)
Sept. 30, 2008	MLM	A	98	$89.58	$8,779	3,088 Direct	+3.28%	Acquired	488.1% (price as of 2026-08-20)
June 30, 2008	MLM	A	106	$82.87	$8,784	2,990 Direct	+3.68%	Acquired	535.7% (price as of 2026-08-20)
May 28, 2008	MLM	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)
May 28, 2008	MLM	A	505	$94.22	$47,581	2,884 Direct	+21.23%	Acquired	459.1% (price as of 2026-08-20)
March 31, 2008	MLM	A	118	$84.94	$10,023	2,379 Direct	+5.22%	Acquired	520.2% (price as of 2026-08-20)
Dec. 31, 2007	MLM	A	48	$106.08	$5,092	2,261 Direct	+2.17%	Acquired	396.6% (price as of 2026-08-20)
Sept. 28, 2007	MLM	A	59	$106.84	$6,304	2,213 Direct	+2.74%	Acquired	393.1% (price as of 2026-08-20)
June 29, 2007	MLM	A	39	$129.62	$5,055	2,154 Direct	+1.84%	Acquired	306.4% (price as of 2026-08-20)
May 22, 2007	MLM	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)
May 22, 2007	MLM	A	342	$121.54	$41,567	2,115 Direct	+19.29%	Acquired	333.5% (price as of 2026-08-20)
March 30, 2007	MLM	A	81	$108.16	$8,761	1,773 Direct	+4.79%	Acquired	387.1% (price as of 2026-08-20)
Dec. 29, 2006	MLM	A	61	$83.13	$5,071	1,692 Direct	+3.74%	Acquired	533.7% (price as of 2026-08-20)
Sept. 29, 2006	MLM	A	111	$67.70	$7,515	1,631 Direct	+7.30%	Acquired	678.2% (price as of 2026-08-20)
Aug. 15, 2006	MLM	A	63	$63.54	$4,003	1,520 Direct	+4.32%	Acquired	729.1% (price as of 2026-08-20)
June 30, 2006	MLM	A	103	$72.92	$7,511	1,457 Direct	+7.61%	Acquired	622.5% (price as of 2026-08-20)
May 23, 2006	MLM	A	535	$70.20	$37,557	1,354 Direct	+65.32%	Acquired	650.5% (price as of 2026-08-20)
May 22, 2006	MLM	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)
March 31, 2006	MLM	A	59	$85.62	$5,052	819 Direct	+7.76%	Acquired	515.3% (price as of 2026-08-20)
Dec. 30, 2005	MLM	A	62	$61.38	$3,806	760 Direct	+8.88%	Acquired	758.3% (price as of 2026-08-20)
Sept. 30, 2005	MLM	A	40	$62.77	$2,511	698 Direct	+6.08%	Acquired	739.3% (price as of 2026-08-20)
May 26, 2005	MLM	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)
May 26, 2005	MLM	A	658	$49.41	$32,512	658 Direct	—	Acquired	966.2% (price as of 2026-08-20)

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
Aug. 10, 2016	MLM	Stock Options (Right to Buy)	Common Stock (3,000)	$117.77	May 28, 2018	3,000	Disposed
Aug. 10, 2016	MLM	Stock Options (Right to Buy)	Common Stock (3,000)	$151.92	May 22, 2017	3,000	Disposed
Aug. 18, 2015	MLM	Stock Options (Right to Buy)	Common Stock (3,000)	$89.02	May 22, 2016	3,000	Disposed
Feb. 6, 2014	MLM	Stock Options (Right to Buy)	Common Stock (3,000)	$61.76	May 24, 2015	3,000	Disposed
May 28, 2008	MLM	Stock Options (Right to buy)	Common Stock (3,000)	$117.77	May 28, 2018	3,000	Acquired
May 22, 2007	MLM	Stock Options (Right to buy)	Common Stock (3,000)	$151.92	May 22, 2017	3,000	Acquired
May 22, 2006	MLM	Stock Options (Right to buy)	Common Stock (3,000)	$89.02	May 22, 2016	3,000	Acquired
May 26, 2005	MLM	Directors Options [F2]	Common Stock (3,000)	$61.76	May 24, 2015	3,000	Acquired

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

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 27, 2005	MLM	No securities owned	0	Direct