Robert V Dwyer

Insider

First SEC filing: May 5, 2006 · Latest: Dec. 30, 2019

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

MLAB selling Feb. 13, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 76 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

76 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 3, 2020	MLAB	M	200	$97.78	$19,556	36,274 Direct	+0.55%	Acquired	17.3% (price as of 2026-08-19)
April 3, 2020	MLAB	M	200	$122.66	$24,532	36,474 Direct	+0.55%	Acquired	-6.5% (price as of 2026-08-19)
April 3, 2020	MLAB	M	90	$142.40	$12,816	36,564 Direct	+0.25%	Acquired	-19.5% (price as of 2026-08-19)
April 3, 2020	MLAB	X	200	—	—	1,745 Direct	-10.28%	Disposed	(price as of 2026-08-19)
April 3, 2020	MLAB	X	200	—	—	1,545 Direct	-11.46%	Disposed	(price as of 2026-08-19)
April 3, 2020	MLAB	X	90	—	—	1,455 Direct	-5.83%	Disposed	(price as of 2026-08-19)
April 3, 2020	MLAB	M	172	$89.70	$15,428	35,868 Direct	+0.48%	Acquired	27.9% (price as of 2026-08-19)
April 3, 2020	MLAB	M	17	$58.51	$995	35,885 Direct	+0.05%	Acquired	96.0% (price as of 2026-08-19)
April 3, 2020	MLAB	M	189	$70.56	$13,336	36,074 Direct	+0.53%	Acquired	62.6% (price as of 2026-08-19)
April 3, 2020	MLAB	X	172	—	—	2,151 Direct	-7.40%	Disposed	(price as of 2026-08-19)
April 3, 2020	MLAB	X	17	—	—	2,134 Direct	-0.79%	Disposed	(price as of 2026-08-19)
April 3, 2020	MLAB	X	189	—	—	1,945 Direct	-8.86%	Disposed	(price as of 2026-08-19)
Feb. 13, 2020	MLAB	S	6,133	$258.62	$1,586,116	35,696 Direct	-14.66%	Disposed	-55.6% (price as of 2026-08-19)
Feb. 12, 2020	MLAB	S	1,367	$258.72	$353,670	41,829 Direct	-3.16%	Disposed	-55.7% (price as of 2026-08-19)
Nov. 15, 2019	MLAB	A	477	—	—	477 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 7, 2019	MLAB	M	150	—	—	43,196 Direct	+0.35%	Acquired	(price as of 2026-08-19)
Nov. 7, 2019	MLAB	M	150	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 7, 2019	MLAB	M	150	—	—	57,718 Direct	+0.26%	Acquired	(price as of 2026-08-19)
Nov. 7, 2019	MLAB	M	150	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	M	250	$29.20	$7,300	53,521 Direct	+0.47%	Acquired	292.8% (price as of 2026-08-19)
June 18, 2019	MLAB	M	500	$50.50	$25,250	54,021 Direct	+0.93%	Acquired	127.1% (price as of 2026-08-19)
June 18, 2019	MLAB	M	750	$51.85	$38,888	54,771 Direct	+1.39%	Acquired	121.2% (price as of 2026-08-19)
June 18, 2019	MLAB	X	250	—	—	6,340 Direct	-3.79%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	X	500	—	—	5,840 Direct	-7.89%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	X	750	—	—	5,090 Direct	-12.84%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	M	856	$89.70	$76,783	55,627 Direct	+1.56%	Acquired	27.9% (price as of 2026-08-19)
June 18, 2019	MLAB	M	68	$58.51	$3,979	55,696 Direct	+0.12%	Acquired	96.0% (price as of 2026-08-19)
June 18, 2019	MLAB	X	856	—	—	4,234 Direct	-16.82%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	X	68	—	—	4,166 Direct	-1.61%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	M	753	$70.56	$53,132	56,448 Direct	+1.35%	Acquired	62.6% (price as of 2026-08-19)
June 18, 2019	MLAB	M	600	$97.78	$58,668	57,048 Direct	+1.06%	Acquired	17.3% (price as of 2026-08-19)
June 18, 2019	MLAB	X	753	—	—	3,413 Direct	-18.07%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	X	600	—	—	2,813 Direct	-17.58%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	M	400	$122.66	$49,064	57,478 Direct	+0.70%	Acquired	-6.5% (price as of 2026-08-19)
June 18, 2019	MLAB	M	90	$142.40	$12,816	57,568 Direct	+0.16%	Acquired	-19.5% (price as of 2026-08-19)
June 18, 2019	MLAB	X	400	—	—	2,413 Direct	-14.22%	Disposed	(price as of 2026-08-19)
June 18, 2019	MLAB	X	90	—	—	2,323 Direct	-3.73%	Disposed	(price as of 2026-08-19)
June 15, 2019	MLAB	M	30	—	—	53,301 Direct	+0.06%	Acquired	(price as of 2026-08-19)
June 15, 2019	MLAB	M	30	—	—	120 Direct	+33.33%	Acquired	(price as of 2026-08-19)
Feb. 19, 2019	MLAB	S	342	$232.00	$79,344	53,571 Direct	-0.63%	Disposed	-50.6% (price as of 2026-08-19)
Feb. 15, 2019	MLAB	S	5,575	$232.00	$1,293,400	53,913 Direct	-9.37%	Disposed	-50.6% (price as of 2026-08-19)
Feb. 11, 2019	MLAB	S	1,727	$235.00	$405,845	59,488 Direct	-2.82%	Disposed	-51.2% (price as of 2026-08-19)
Feb. 8, 2019	MLAB	S	2,356	$235.05	$553,778	61,215 Direct	-3.71%	Disposed	-51.2% (price as of 2026-08-19)
Nov. 7, 2018	MLAB	A	150	—	—	150 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 7, 2018	MLAB	A	150	—	—	63,571 Direct	+0.24%	Acquired	(price as of 2026-08-19)
June 20, 2018	MLAB	S	5,000	$210.03	$1,050,150	63,421 Direct	-7.31%	Disposed	-45.4% (price as of 2026-08-19)
April 2, 2018	MLAB	A	150	—	—	150 Direct	—	Acquired	(price as of 2026-08-19)
April 2, 2018	MLAB	A	150	—	—	68,421 Direct	+0.22%	Acquired	(price as of 2026-08-19)
April 2, 2018	MLAB	A	450	—	—	6,590 Direct	+7.33%	Acquired	(price as of 2026-08-19)
April 2, 2018	MLAB	A	150	—	—	68,671 Direct	+0.22%	Acquired	(price as of 2026-08-19)
April 2, 2018	MLAB	A	450	—	—	6,590 Direct	+7.33%	Acquired	(price as of 2026-08-19)
March 14, 2018	MLAB	S	5,000	$144.01	$720,050	68,521 Direct	-6.80%	Disposed	-20.4% (price as of 2026-08-19)
June 16, 2017	MLAB	G	250	—	—	73,271 Direct	-0.34%	Disposed	(price as of 2026-08-19)
June 16, 2017	MLAB	S	7,150	$139.00	$993,850	73,521 Direct	-8.86%	Disposed	-17.5% (price as of 2026-08-19)
June 14, 2017	MLAB	S	4,000	$140.27	$561,080	80,671 Direct	-4.72%	Disposed	-18.2% (price as of 2026-08-19)
April 3, 2017	MLAB	A	1,000	—	—	6,140 Direct	+19.46%	Acquired	(price as of 2026-08-19)
April 3, 2017	MLAB	A	830	—	—	5,970 Direct	+16.15%	Acquired	(price as of 2026-08-19)
Feb. 22, 2017	MLAB	S	3,300	$125.14	$412,962	84,671 Direct	-3.75%	Disposed	-8.3% (price as of 2026-08-19)
Feb. 21, 2017	MLAB	S	1,700	$125.12	$212,704	87,971 Direct	-1.90%	Disposed	-8.3% (price as of 2026-08-19)
Dec. 15, 2016	MLAB	S	1,000	$134.00	$134,000	89,671 Direct	-1.10%	Disposed	-14.4% (price as of 2026-08-19)
Dec. 14, 2016	MLAB	S	1,002	$132.13	$132,394	90,671 Direct	-1.09%	Disposed	-13.2% (price as of 2026-08-19)
June 10, 2016	MLAB	G	300	—	—	91,673 Direct	-0.33%	Disposed	(price as of 2026-08-19)
April 1, 2016	MLAB	A	1,000	—	—	5,140 Direct	+24.15%	Acquired	(price as of 2026-08-19)
Sept. 17, 2015	MLAB	S	2,000	$113.00	$226,000	92,373 Direct	-2.12%	Disposed	1.5% (price as of 2026-08-19)
Sept. 15, 2015	MLAB	S	3,000	$111.67	$335,010	94,373 Direct	-3.08%	Disposed	2.7% (price as of 2026-08-19)
Sept. 11, 2015	MLAB	S	1,000	$110.00	$110,000	97,373 Direct	-1.02%	Disposed	4.3% (price as of 2026-08-19)
Sept. 8, 2015	MLAB	S	1,000	$110.39	$110,390	98,373 Direct	-1.01%	Disposed	3.9% (price as of 2026-08-19)
Aug. 17, 2015	MLAB	S	1,937	$116.50	$225,660	101,373 Direct	-1.87%	Disposed	-1.5% (price as of 2026-08-19)
Aug. 7, 2015	MLAB	S	2,000	$119.50	$239,000	99,373 Direct	-1.97%	Disposed	-4.0% (price as of 2026-08-19)
June 17, 2015	MLAB	G	300	—	—	103,310 Direct	+0.29%	Acquired	(price as of 2026-08-19)
April 1, 2015	MLAB	A	1,320	—	—	4,140 Direct	+46.81%	Acquired	(price as of 2026-08-19)
Dec. 19, 2014	MLAB	G	400	—	—	103,610 Direct	-0.38%	Disposed	(price as of 2026-08-19)
Oct. 3, 2014	MLAB	M	250	$51.85	$12,962	104,260 Direct	+0.24%	Acquired	121.2% (price as of 2026-08-19)
Oct. 3, 2014	MLAB	M	500	$50.50	$25,250	104,760 Direct	+0.48%	Acquired	127.1% (price as of 2026-08-19)
Oct. 3, 2014	MLAB	M	750	$29.20	$21,900	105,510 Direct	+0.72%	Acquired	292.8% (price as of 2026-08-19)
Oct. 3, 2014	MLAB	M	1,500	$25.56	$38,340	107,010 Direct	+1.42%	Acquired	348.7% (price as of 2026-08-19)
Oct. 3, 2014	MLAB	M	1,200	$16.60	$19,920	108,210 Direct	+1.12%	Acquired	591.0% (price as of 2026-08-19)
Oct. 3, 2014	MLAB	M	450	$21.93	$9,868	108,660 Direct	+0.42%	Acquired	423.0% (price as of 2026-08-19)
Oct. 3, 2014	MLAB	X	250	—	—	7,220 Direct	-3.35%	Disposed	(price as of 2026-08-19)
Oct. 3, 2014	MLAB	X	500	—	—	6,720 Direct	-6.93%	Disposed	(price as of 2026-08-19)
Oct. 3, 2014	MLAB	X	750	—	—	5,970 Direct	-11.16%	Disposed	(price as of 2026-08-19)
Oct. 3, 2014	MLAB	X	1,500	—	—	4,470 Direct	-25.13%	Disposed	(price as of 2026-08-19)
Oct. 3, 2014	MLAB	X	1,200	—	—	3,270 Direct	-26.85%	Disposed	(price as of 2026-08-19)
Oct. 3, 2014	MLAB	X	450	—	—	2,820 Direct	-13.76%	Disposed	(price as of 2026-08-19)
Oct. 2, 2014	MLAB	A	120	—	—	7,470 Direct	+1.63%	Acquired	(price as of 2026-08-19)
April 1, 2014	MLAB	A	1,200	—	—	7,350 Direct	+19.51%	Acquired	(price as of 2026-08-19)
Nov. 15, 2013	MLAB	S	13,476	$71.33	$961,243	104,010 Direct	-11.47%	Disposed	60.8% (price as of 2026-08-19)
Nov. 14, 2013	MLAB	S	4,462	$71.26	$317,962	117,486 Direct	-3.66%	Disposed	61.0% (price as of 2026-08-19)
Nov. 13, 2013	MLAB	S	1,562	$71.50	$111,683	121,948 Direct	-1.26%	Disposed	60.4% (price as of 2026-08-19)
Nov. 12, 2013	MLAB	S	500	$71.47	$35,735	123,510 Direct	-0.40%	Disposed	60.5% (price as of 2026-08-19)
April 1, 2013	MLAB	A	1,000	—	—	6,150 Direct	+19.42%	Acquired	(price as of 2026-08-19)
April 2, 2012	MLAB	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-19)
March 19, 2012	MLAB	M	2,000	$18.98	$37,960	120,960 Direct	+1.68%	Acquired	504.3% (price as of 2026-08-19)
March 19, 2012	MLAB	M	1,350	$21.93	$29,606	122,310 Direct	+1.12%	Acquired	423.0% (price as of 2026-08-19)
March 19, 2012	MLAB	M	1,200	$16.60	$19,920	123,510 Direct	+0.98%	Acquired	591.0% (price as of 2026-08-19)
March 19, 2012	MLAB	M	500	$25.56	$12,780	124,010 Direct	+0.40%	Acquired	348.7% (price as of 2026-08-19)
March 19, 2012	MLAB	X	2,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 19, 2012	MLAB	X	1,350	—	—	450 Direct	-75.00%	Disposed	(price as of 2026-08-19)
March 19, 2012	MLAB	X	1,200	—	—	1,200 Direct	-50.00%	Disposed	(price as of 2026-08-19)
March 19, 2012	MLAB	X	500	—	—	1,500 Direct	-25.00%	Disposed	(price as of 2026-08-19)

Showing latest 100 of 118 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
April 3, 2020	MLAB	Non Qualified Stock Option	Common Stock (200)	$97.78	April 1, 2022	200	Disposed
April 3, 2020	MLAB	Non Qualified Stock Option	Common Stock (200)	$122.66	April 3, 2023	200	Disposed
April 3, 2020	MLAB	Non Qualified Stock Option	Common Stock (90)	$142.40	April 2, 2024	90	Disposed
April 3, 2020	MLAB	Non Qualified Stock Option	Common Stock (172)	$89.70	April 1, 2022	172	Disposed
April 3, 2020	MLAB	Non Qualified Stock Option	Common Stock (17)	$58.51	Oct. 2, 2022	17	Disposed
April 3, 2020	MLAB	Non Qualified Stock Option	Common Stock (189)	$70.56	April 1, 2023	189	Disposed
Nov. 15, 2019	MLAB	Restricted Stock Units - 3	Common Stock (477)	—	—	477	Acquired
Nov. 7, 2019	MLAB	Restricted Stock Units - 2	Common Stock (150)	—	—	150	Disposed
Nov. 7, 2019	MLAB	Restricted Stock Units - 2	Common Stock (150)	—	—	150	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (250)	$29.20	April 6, 2021	250	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (500)	$50.50	April 2, 2022	500	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (750)	$51.85	April 1, 2023	750	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (856)	$89.70	April 1, 2022	856	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (68)	$58.51	Oct. 2, 2022	68	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (753)	$70.56	April 1, 2023	753	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (600)	$97.78	April 1, 2022	600	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (400)	$122.66	April 3, 2023	400	Disposed
June 18, 2019	MLAB	Non Qualified Stock Option	Common Stock (90)	$142.40	April 2, 2024	90	Disposed
June 15, 2019	MLAB	Restricted Stock Unit - 1	Common Stock (30)	—	—	30	Acquired
Nov. 7, 2018	MLAB	Restricted Stock Unit - 2	Common Stock (150)	—	—	150	Acquired
April 2, 2018	MLAB	Restricted Stock Unit - 1	Common Stock (150)	—	—	150	Acquired
April 2, 2018	MLAB	Non-Qualified Stock Option	Common Stock (450)	$142.40	April 2, 2024	450	Acquired
April 2, 2018	MLAB	Non-Qualified Stock Option	Common Stock (450)	$142.40	April 2, 2024	450	Acquired
April 3, 2017	MLAB	Non-Qualified Stock Option	Common Stock (1,000)	$122.66	April 3, 2023	1,000	Acquired
April 3, 2017	MLAB	Non-Qualified Stock Option	Common Stock (830)	$122.66	April 3, 2023	830	Acquired
April 1, 2016	MLAB	non Qualified Stock Option	Common Stock (1,000)	$97.78	April 1, 2022	1,000	Acquired
April 1, 2015	MLAB	Non-Qualified Stock Option	Common Stock (1,320)	$70.56	April 1, 2023	1,320	Acquired
Oct. 3, 2014	MLAB	Non-Qualified Stock Option	Common Stock (250)	$51.85	April 1, 2023	250	Disposed
Oct. 3, 2014	MLAB	Non-Qualified Stock Option	Common Stock (500)	$50.50	April 2, 2022	500	Disposed
Oct. 3, 2014	MLAB	Non-Qualified Stock Option	Common Stock (750)	$29.20	April 6, 2021	750	Disposed
Oct. 3, 2014	MLAB	Non-Qualified Stock Option	Common Stock (1,500)	$25.56	April 1, 2020	1,500	Disposed
Oct. 3, 2014	MLAB	Non-Qualified Stock Option	Common Stock (1,200)	$16.60	April 1, 2019	1,200	Disposed
Oct. 3, 2014	MLAB	Non-Qualified Stock Option	Common Stock (450)	$21.93	April 1, 2018	450	Disposed
Oct. 2, 2014	MLAB	Non-Qualified Stock Option	Common Stock (120)	$58.51	Oct. 2, 2022	120	Acquired
April 1, 2014	MLAB	Non-Qualified Stock Option	Common Stock (1,200)	$89.70	April 1, 2022	1,200	Acquired
April 1, 2013	MLAB	Non-Qualified Stock Option	Common Stock (1,000)	$51.85	April 1, 2023	1,000	Acquired
April 2, 2012	MLAB	Non-Qualified Stock Option	Common Stock (1,000)	$50.50	April 2, 2022	1,000	Acquired
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (2,000)	$18.98	May 11, 2017	2,000	Disposed
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (1,350)	$21.93	April 1, 2018	1,350	Disposed
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (1,200)	$16.60	April 1, 2019	1,200	Disposed
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (500)	$25.56	April 1, 2020	500	Disposed
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (2,000)	$18.98	May 11, 2017	2,000	Acquired
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (1,350)	$21.93	April 1, 2018	1,350	Acquired
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (1,200)	$16.60	April 1, 2019	1,200	Acquired
March 19, 2012	MLAB	Non-Qualified Stock Option	Common Stock (500)	$25.56	April 1, 2020	500	Acquired
April 15, 2011	MLAB	NQ Stock Purchase Option	Common Stock (5,000)	$14.50	May 4, 2016	5,000	Disposed
April 6, 2011	MLAB	NQ Stock Purchase Option	Common Stock (1,000)	$29.20	April 6, 2021	1,000	Acquired
April 1, 2010	MLAB	NQ Stock Purchase Option	Common Stock (2,000)	$25.56	April 1, 2020	2,000	Acquired
April 1, 2009	MLAB	NQ Stock purchase option	Common Stock (2,400)	$16.60	April 1, 2019	2,400	Acquired
April 1, 2008	MLAB	NQ stock purchase option	Common Stock (1,800)	$21.93	April 1, 2018	1,800	Acquired
May 11, 2007	MLAB	NQ stock purchase option	Common stock (2,000)	$18.98	May 11, 2017	2,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
May 5, 2006	MLAB	Common Stock	182,460	Direct
May 5, 2006	MLAB	Non-statuatory stock purchase option→ common stock (5,000)	5,000	Direct