William B Lawrence

Insider

First SEC filing: Aug. 8, 2003 · Latest: Feb. 10, 2014

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

MTRN selling May 12, 2014

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 87 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

87 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 3, 2019	MTRN	M	1,855	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 3, 2019	MTRN	M	1,855	$70.40	$130,592	7,900 Direct	+30.69%	Acquired	234.0% (price as of 2026-08-20)
March 7, 2019	MTRN	A	3	—	—	1,855 Direct	+0.16%	Acquired	(price as of 2026-08-20)
March 7, 2019	MTRN	A	60	—	—	32,886 Indirect	+0.18%	Acquired	(price as of 2026-08-20)
Dec. 3, 2018	MTRN	A	4	—	—	1,852 Direct	+0.22%	Acquired	(price as of 2026-08-20)
Dec. 3, 2018	MTRN	A	65	—	—	32,826 Indirect	+0.20%	Acquired	(price as of 2026-08-20)
Sept. 5, 2018	MTRN	A	3	—	—	1,848 Direct	+0.16%	Acquired	(price as of 2026-08-20)
Sept. 5, 2018	MTRN	A	55	—	—	32,761 Indirect	+0.17%	Acquired	(price as of 2026-08-20)
June 1, 2018	MTRN	A	4	—	—	1,845 Direct	+0.22%	Acquired	(price as of 2026-08-20)
June 1, 2018	MTRN	A	63	—	—	32,706 Indirect	+0.19%	Acquired	(price as of 2026-08-20)
May 3, 2018	MTRN	A	2,332	$52.35	$122,080	32,644 Indirect	+7.69%	Acquired	349.1% (price as of 2026-08-20)
May 3, 2018	MTRN	A	1,841	$51.60	$94,996	4,782 Direct	+62.60%	Acquired	355.6% (price as of 2026-08-20)
March 7, 2018	MTRN	A	58	—	—	30,312 Indirect	+0.19%	Acquired	(price as of 2026-08-20)
Sept. 5, 2017	MTRN	A	78	—	—	30,192 Indirect	+0.26%	Acquired	(price as of 2026-08-20)
June 2, 2017	MTRN	A	86	—	—	30,114 Indirect	+0.29%	Acquired	(price as of 2026-08-20)
May 5, 2017	MTRN	A	2,941	$34.40	$101,170	30,027 Indirect	+10.86%	Acquired	583.5% (price as of 2026-08-20)
May 4, 2017	MTRN	A	2,332	$34.30	$79,988	5,273 Direct	+79.29%	Acquired	585.4% (price as of 2026-08-20)
March 3, 2017	MTRN	A	72	$35.46	$2,553	27,085 Indirect	+0.27%	Acquired	563.0% (price as of 2026-08-20)
Nov. 25, 2016	MTRN	A	1	$39.03	$39	27,014 Indirect	0.00%	Acquired	502.4% (price as of 2026-08-20)
Nov. 25, 2016	MTRN	A	64	$39.03	$2,498	27,012 Indirect	+0.24%	Acquired	502.4% (price as of 2026-08-20)
Oct. 18, 2016	MTRN	A	592	$29.55	$17,494	26,948 Indirect	+2.25%	Acquired	695.6% (price as of 2026-08-20)
Sept. 2, 2016	MTRN	A	84	$29.63	$2,489	26,356 Indirect	+0.32%	Acquired	693.5% (price as of 2026-08-20)
July 15, 2016	MTRN	A	660	$26.48	$17,477	26,272 Indirect	+2.58%	Acquired	787.9% (price as of 2026-08-20)
June 1, 2016	MTRN	A	101	$23.91	$2,415	23,514 Indirect	+0.43%	Acquired	883.3% (price as of 2026-08-20)
May 4, 2016	MTRN	A	2,941	—	—	2,941 Direct	—	Acquired	(price as of 2026-08-20)
April 21, 2016	MTRN	A	883	$28.29	$24,980	23,413 Indirect	+3.92%	Acquired	731.1% (price as of 2026-08-20)
March 2, 2016	MTRN	A	77	$25.97	$2,000	22,530 Indirect	+0.34%	Acquired	805.3% (price as of 2026-08-20)
Jan. 15, 2016	MTRN	A	1,150	$21.73	$24,990	23,167 Indirect	+5.22%	Acquired	981.9% (price as of 2026-08-20)
Nov. 27, 2015	MTRN	A	62	$29.13	$1,806	20,867 Indirect	+0.30%	Acquired	707.1% (price as of 2026-08-20)
Oct. 15, 2015	MTRN	A	715	$34.92	$24,968	20,805 Indirect	+3.56%	Acquired	573.3% (price as of 2026-08-20)
Sept. 1, 2015	MTRN	A	59	$30.58	$1,804	20,090 Indirect	+0.29%	Acquired	668.8% (price as of 2026-08-20)
July 15, 2015	MTRN	A	698	$35.77	$24,967	20,031 Indirect	+3.61%	Acquired	557.3% (price as of 2026-08-20)
June 4, 2015	MTRN	A	45	$38.41	$1,728	19,333 Indirect	+0.23%	Acquired	512.1% (price as of 2026-08-20)
May 7, 2015	MTRN	A	2,098	$38.13	$79,997	8,542 Direct	+32.56%	Acquired	516.6% (price as of 2026-08-20)
April 24, 2015	MTRN	A	619	$40.37	$24,989	16,804 Indirect	+3.82%	Acquired	482.4% (price as of 2026-08-20)
March 3, 2015	MTRN	A	5	$36.81	$184	8,928 Direct	+0.06%	Acquired	538.7% (price as of 2026-08-20)
March 3, 2015	MTRN	A	37	$36.98	$1,368	16,185 Indirect	+0.23%	Acquired	535.8% (price as of 2026-08-20)
Jan. 15, 2015	MTRN	A	764	$32.25	$24,639	16,148 Indirect	+4.97%	Acquired	629.0% (price as of 2026-08-20)
Jan. 15, 2015	MTRN	A	764	$32.25	$24,639	16,148 Indirect	+4.97%	Acquired	629.0% (price as of 2026-08-20)
Nov. 20, 2014	MTRN	A	37	$35.50	$1,314	15,384 Indirect	+0.24%	Acquired	562.3% (price as of 2026-08-20)
Nov. 20, 2014	MTRN	A	5	$36.11	$181	8,923 Direct	+0.06%	Acquired	551.1% (price as of 2026-08-20)
Aug. 20, 2014	MTRN	A	39	$33.01	$1,287	15,347 Indirect	+0.25%	Acquired	612.2% (price as of 2026-08-20)
Aug. 20, 2014	MTRN	A	6	$32.98	$198	8,918 Direct	+0.07%	Acquired	612.9% (price as of 2026-08-20)
June 4, 2014	MTRN	A	5	$34.38	$172	8,912 Direct	+0.06%	Acquired	583.8% (price as of 2026-08-20)
June 4, 2014	MTRN	A	38	$33.77	$1,283	15,307 Indirect	+0.25%	Acquired	596.2% (price as of 2026-08-20)
May 12, 2014	MTRN	M	1,379	—	—	621 Direct	-68.95%	Disposed	(price as of 2026-08-20)
May 12, 2014	MTRN	S	300	$34.55	$10,365	8,907 Direct	-3.26%	Disposed	580.5% (price as of 2026-08-20)
May 12, 2014	MTRN	S	1,079	$34.54	$37,269	9,207 Direct	-10.49%	Disposed	580.7% (price as of 2026-08-20)
May 12, 2014	MTRN	M	2,000	$14.80	$29,600	10,286 Direct	+24.14%	Acquired	1488.6% (price as of 2026-08-20)
May 8, 2014	MTRN	A	2,463	$32.48	$79,998	8,286 Direct	+42.30%	Acquired	623.9% (price as of 2026-08-20)
March 6, 2014	MTRN	A	29	$33.16	$962	12,051 Indirect	+0.24%	Acquired	609.0% (price as of 2026-08-20)
March 6, 2014	MTRN	A	7	$34.13	$239	9,041 Direct	+0.08%	Acquired	588.9% (price as of 2026-08-20)
Dec. 3, 2013	MTRN	A	34	$28.05	$954	12,022 Indirect	+0.28%	Acquired	738.2% (price as of 2026-08-20)
Nov. 19, 2013	MTRN	D	40	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 19, 2013	MTRN	M	53	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 19, 2013	MTRN	D	40	$29.00	$1,160	9,009 Direct	-0.44%	Disposed	710.7% (price as of 2026-08-20)
Nov. 19, 2013	MTRN	M	53	$16.10	$853	9,049 Direct	+0.59%	Acquired	1360.3% (price as of 2026-08-20)
Nov. 18, 2013	MTRN	D	351	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 18, 2013	MTRN	M	649	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 18, 2013	MTRN	D	351	$29.00	$10,179	8,996 Direct	-3.76%	Disposed	710.7% (price as of 2026-08-20)
Nov. 18, 2013	MTRN	M	649	$16.10	$10,449	9,347 Direct	+7.46%	Acquired	1360.3% (price as of 2026-08-20)
Nov. 8, 2013	MTRN	D	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 8, 2013	MTRN	M	1,298	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 8, 2013	MTRN	D	1,000	$30.00	$30,000	8,698 Direct	-10.31%	Disposed	683.7% (price as of 2026-08-20)
Nov. 8, 2013	MTRN	M	1,298	$16.10	$20,898	9,698 Direct	+15.45%	Acquired	1360.3% (price as of 2026-08-20)
Sept. 4, 2013	MTRN	A	33	$29.40	$970	11,988 Indirect	+0.28%	Acquired	699.7% (price as of 2026-08-20)
June 4, 2013	MTRN	A	30	$31.36	$941	11,955 Indirect	+0.25%	Acquired	649.7% (price as of 2026-08-20)
May 2, 2013	MTRN	A	3,186	$25.11	$80,000	8,400 Direct	+61.10%	Acquired	836.3% (price as of 2026-08-20)
March 8, 2013	MTRN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
March 8, 2013	MTRN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
March 8, 2013	MTRN	S	500	$28.55	$14,275	7,868 Direct	-5.98%	Disposed	723.5% (price as of 2026-08-20)
March 8, 2013	MTRN	S	750	$29.00	$21,750	8,368 Direct	-8.23%	Disposed	710.7% (price as of 2026-08-20)
March 8, 2013	MTRN	A	2,500	$8.10	$20,250	9,118 Direct	+37.78%	Acquired	2802.6% (price as of 2026-08-20)
March 6, 2013	MTRN	A	25	$27.96	$699	9,271 Indirect	+0.27%	Acquired	740.9% (price as of 2026-08-20)
March 5, 2013	MTRN	D	1,000	$28.13	$28,130	6,618 Direct	-13.13%	Disposed	735.8% (price as of 2026-08-20)
March 5, 2013	MTRN	A	2,500	$8.10	$20,250	7,618 Direct	+48.85%	Acquired	2802.6% (price as of 2026-08-20)
May 3, 2012	MTRN	A	2,654	$24.50	$65,023	10,414 Direct	+34.20%	Acquired	859.6% (price as of 2026-08-20)
May 5, 2011	MTRN	A	1,712	$37.98	$65,022	7,818 Direct	+28.04%	Acquired	519.0% (price as of 2026-08-20)
May 6, 2010	MTRN	A	2,244	$26.74	$60,005	6,106 Direct	+58.10%	Acquired	779.2% (price as of 2026-08-20)
May 7, 2009	MTRN	A	2,464	$18.27	$45,017	3,862 Direct	+176.25%	Acquired	1186.9% (price as of 2026-08-20)
May 7, 2008	MTRN	A	1,398	$32.19	$45,002	4,250 Direct	+49.02%	Acquired	630.4% (price as of 2026-08-20)
May 2, 2007	MTRN	A	979	$46.01	$45,044	2,852 Direct	+52.27%	Acquired	411.0% (price as of 2026-08-20)
May 2, 2006	MTRN	A	1,873	$24.03	$45,008	1,873 Direct	-50.00%	Disposed	878.4% (price as of 2026-08-20)
May 2, 2006	MTRN	A	1,873	$24.03	$45,008	1,873 Direct	-50.00%	Disposed	878.4% (price as of 2026-08-20)
May 2, 2006	MTRN	A	1,873	$24.03	$45,008	1,873 Direct	-50.00%	Disposed	878.4% (price as of 2026-08-20)
May 4, 2005	MTRN	A	500	$14.80	$7,400	1,000 Indirect	+100.00%	Acquired	1488.6% (price as of 2026-08-20)
May 4, 2005	MTRN	A	500	$14.85	$7,425	1,000 Indirect	+100.00%	Acquired	1483.2% (price as of 2026-08-20)
May 3, 2005	MTRN	A	2,000	$14.59	$29,180	2,000 Direct	—	Acquired	1511.4% (price as of 2026-08-20)
May 10, 2004	MTRN	A	500	$15.85	$7,925	500 Indirect	—	Acquired	1383.3% (price as of 2026-08-20)
May 5, 2004	MTRN	A	500	$16.10	$8,050	1,000 Indirect	+100.00%	Acquired	1360.3% (price as of 2026-08-20)
May 5, 2004	MTRN	A	2,000	$16.12	$32,240	2,000 Direct	—	Acquired	1358.5% (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
May 3, 2019	MTRN	Restricted Stock Unit	Common Stock (1,855)	—	—	1,855	Disposed
March 7, 2019	MTRN	Restricted Stock Unit	Common Stock (3)	—	—	3	Acquired
Dec. 3, 2018	MTRN	Restricted Stock Units	Common Stock (4)	—	—	4	Acquired
Sept. 5, 2018	MTRN	Restricted Stock Units	Common Stock (3)	—	—	3	Acquired
June 1, 2018	MTRN	Restricted Stock Units	Common Stock (4)	—	—	4	Acquired
May 3, 2018	MTRN	Restricted Stock Unit	Common Stock (1,841)	—	—	1,841	Acquired
May 4, 2017	MTRN	Restricted Stock Units [F1]	Common Stock (2,332)	—	—	2,332	Acquired
May 4, 2016	MTRN	Restricted Stock Unit	Common Stock (2,941)	—	May 4, 2022	2,941	Acquired
May 12, 2014	MTRN	Stock Option	Common Stock (1,379)	$14.80	May 4, 2015	1,379	Disposed
Nov. 19, 2013	MTRN	Stock Options	Common Stock (40)	$16.10	May 5, 2014	40	Disposed
Nov. 19, 2013	MTRN	Stock Options	Common Stock (53)	$16.10	May 5, 2014	53	Acquired
Nov. 18, 2013	MTRN	Stock options	Common Stock (149)	$16.10	May 5, 2014	351	Disposed
Nov. 18, 2013	MTRN	Stock Options	Common Stock (649)	$16.10	May 5, 2014	649	Acquired
Nov. 8, 2013	MTRN	Stock options	Common Stock (1,000)	$16.10	May 5, 2014	1,000	Disposed
Nov. 8, 2013	MTRN	Stock Options	Common Stock (1,298)	$16.10	May 5, 2014	1,298	Acquired
March 8, 2013	MTRN	Stock Option	common stock (2,500)	$8.10	Aug. 11, 2013	2,500	Acquired
March 8, 2013	MTRN	Stock Option	common stock (2,500)	$8.10	Aug. 11, 2013	2,500	Acquired
May 3, 2005	MTRN	Brush Engineered Materials Inc.	common stock	$14.59	May 3, 2015	2,000	Acquired
May 5, 2004	MTRN	Brush Engineered Materials Inc.	common stock	$16.12	May 5, 2014	2,000	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
Aug. 8, 2003	MTRN	None	0	Direct