Evan Guillemin

Insider

First SEC filing: Feb. 25, 2009 · Latest: Feb. 25, 2009

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 66 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

66 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 1, 2022	MLAB	M	431	—	—	29,207 Direct	+1.50%	Acquired	(price as of 2026-08-20)
Sept. 1, 2022	MLAB	I	431	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 18, 2022	MLAB	M	1,320	$70.56	$93,139	31,108 Direct	+4.43%	Acquired	71.1% (price as of 2026-08-20)
Aug. 18, 2022	MLAB	M	1,000	$122.66	$122,660	32,108 Direct	+3.21%	Acquired	-1.6% (price as of 2026-08-20)
Aug. 18, 2022	MLAB	M	360	$142.40	$51,264	32,468 Direct	+1.12%	Acquired	-15.2% (price as of 2026-08-20)
Aug. 18, 2022	MLAB	S	3,692	$196.12	$724,075	28,776 Direct	-11.37%	Disposed	-38.4% (price as of 2026-08-20)
Aug. 18, 2022	MLAB	X	1,320	—	—	1,450 Direct	-47.65%	Disposed	(price as of 2026-08-20)
Aug. 18, 2022	MLAB	X	1,000	—	—	450 Direct	-68.97%	Disposed	(price as of 2026-08-20)
Aug. 18, 2022	MLAB	X	360	—	—	90 Direct	-80.00%	Disposed	(price as of 2026-08-20)
June 15, 2022	MLAB	M	30	—	—	29,788 Direct	+0.10%	Acquired	(price as of 2026-08-20)
June 15, 2022	MLAB	M	30	—	—	30 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Dec. 2, 2021	MLAB	M	1,200	$89.70	$107,640	30,958 Direct	+4.03%	Acquired	34.6% (price as of 2026-08-20)
Dec. 2, 2021	MLAB	M	120	$58.51	$7,021	31,078 Direct	+0.39%	Acquired	106.3% (price as of 2026-08-20)
Dec. 2, 2021	MLAB	M	1,000	$97.78	$97,780	32,078 Direct	+3.22%	Acquired	23.5% (price as of 2026-08-20)
Dec. 2, 2021	MLAB	S	2,320	$310.61	$720,615	29,758 Direct	-7.23%	Disposed	-61.1% (price as of 2026-08-20)
Dec. 2, 2021	MLAB	X	1,200	—	—	3,890 Direct	-23.58%	Disposed	(price as of 2026-08-20)
Dec. 2, 2021	MLAB	X	120	—	—	3,770 Direct	-3.08%	Disposed	(price as of 2026-08-20)
Dec. 2, 2021	MLAB	X	1,000	—	—	2,770 Direct	-26.53%	Disposed	(price as of 2026-08-20)
Sept. 1, 2021	MLAB	A	431	—	—	431 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 15, 2021	MLAB	M	308	—	—	29,758 Direct	+1.05%	Acquired	(price as of 2026-08-20)
Aug. 15, 2021	MLAB	M	308	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 16, 2021	MLAB	S 10b5-1	720	$282.18	$203,170	29,450 Direct	-2.39%	Disposed	-57.2% (price as of 2026-08-20)
June 16, 2021	MLAB	S 10b5-1	720	$256.36	$184,579	30,170 Direct	-2.33%	Disposed	-52.9% (price as of 2026-08-20)
June 15, 2021	MLAB	M	30	—	—	30,625 Direct	+0.10%	Acquired	(price as of 2026-08-20)
June 15, 2021	MLAB	M	265	—	—	30,890 Direct	+0.87%	Acquired	(price as of 2026-08-20)
June 15, 2021	MLAB	M	30	—	—	60 Direct	-33.33%	Disposed	(price as of 2026-08-20)
June 15, 2021	MLAB	M	265	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 17, 2021	MLAB	S 10b5-1	720	$244.25	$175,860	30,595 Direct	-2.30%	Disposed	-50.6% (price as of 2026-08-20)
April 16, 2021	MLAB	S 10b5-1	720	$253.77	$182,714	31,315 Direct	-2.25%	Disposed	-52.4% (price as of 2026-08-20)
March 16, 2021	MLAB	S 10b5-1	720	$269.48	$194,026	32,035 Direct	-2.20%	Disposed	-55.2% (price as of 2026-08-20)
Feb. 16, 2021	MLAB	S 10b5-1	3,600	$281.52	$1,013,472	32,755 Direct	-9.90%	Disposed	-57.1% (price as of 2026-08-20)
Nov. 15, 2020	MLAB	M	477	—	—	36,355 Direct	+1.33%	Acquired	(price as of 2026-08-20)
Nov. 15, 2020	MLAB	A	308	—	—	308 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2020	MLAB	M	477	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 13, 2020	MLAB	M	850	$29.20	$24,820	36,728 Direct	+2.37%	Acquired	313.5% (price as of 2026-08-20)
Nov. 13, 2020	MLAB	M	1,000	$50.50	$50,500	37,728 Direct	+2.72%	Acquired	139.1% (price as of 2026-08-20)
Nov. 13, 2020	MLAB	M	200	$51.85	$10,370	37,928 Direct	+0.53%	Acquired	132.8% (price as of 2026-08-20)
Nov. 13, 2020	MLAB	S	2,050	$274.30	$562,315	35,878 Direct	-5.40%	Disposed	-56.0% (price as of 2026-08-20)
Nov. 13, 2020	MLAB	X	850	—	—	6,290 Direct	-11.90%	Disposed	(price as of 2026-08-20)
Nov. 13, 2020	MLAB	X	1,000	—	—	5,290 Direct	-15.90%	Disposed	(price as of 2026-08-20)
Nov. 13, 2020	MLAB	X	200	—	—	5,090 Direct	-3.78%	Disposed	(price as of 2026-08-20)
June 15, 2020	MLAB	M	30	—	—	35,878 Direct	+0.08%	Acquired	(price as of 2026-08-20)
June 15, 2020	MLAB	M	30	—	—	90 Direct	-25.00%	Disposed	(price as of 2026-08-20)
June 15, 2020	MLAB	A	265	—	—	265 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 16, 2019	MLAB	S	7,500	$251.31	$1,884,825	40,848 Direct	-15.51%	Disposed	-52.0% (price as of 2026-08-20)
Dec. 16, 2019	MLAB	G	5,000	—	—	35,848 Direct	-12.24%	Disposed	(price as of 2026-08-20)
Nov. 15, 2019	MLAB	A	477	—	—	477 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 7, 2019	MLAB	M	150	—	—	48,348 Direct	+0.31%	Acquired	(price as of 2026-08-20)
Nov. 7, 2019	MLAB	M	150	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
June 15, 2019	MLAB	M	30	—	—	48,198 Direct	+0.06%	Acquired	(price as of 2026-08-20)
June 15, 2019	MLAB	M	30	—	—	120 Direct	-20.00%	Disposed	(price as of 2026-08-20)
Feb. 20, 2019	MLAB	M	1,746	$25.56	$44,628	50,214 Direct	+3.60%	Acquired	372.3% (price as of 2026-08-20)
Feb. 20, 2019	MLAB	S	1,746	$232.31	$405,613	48,468 Direct	-3.48%	Disposed	-48.0% (price as of 2026-08-20)
Feb. 20, 2019	MLAB	X	1,746	—	—	8,090 Direct	-17.75%	Disposed	(price as of 2026-08-20)
Feb. 13, 2019	MLAB	M	254	$25.56	$6,492	51,722 Direct	+0.49%	Acquired	372.3% (price as of 2026-08-20)
Feb. 13, 2019	MLAB	S	1,254	$233.10	$292,307	48,468 Direct	-2.52%	Disposed	-48.2% (price as of 2026-08-20)
Feb. 13, 2019	MLAB	X	254	—	—	9,836 Direct	-2.52%	Disposed	(price as of 2026-08-20)
Feb. 12, 2019	MLAB	S	1,500	$228.77	$343,155	49,722 Direct	-2.93%	Disposed	-47.2% (price as of 2026-08-20)
Feb. 11, 2019	MLAB	M	3,000	$17.01	$51,030	51,468 Direct	+6.19%	Acquired	609.8% (price as of 2026-08-20)
Feb. 11, 2019	MLAB	S	500	$230.45	$115,225	51,222 Direct	-0.97%	Disposed	-47.6% (price as of 2026-08-20)
Feb. 11, 2019	MLAB	X	3,000	—	—	10,090 Direct	-22.92%	Disposed	(price as of 2026-08-20)
Dec. 10, 2018	MLAB	S	2,000	$208.02	$416,040	48,468 Direct	-3.96%	Disposed	-42.0% (price as of 2026-08-20)
Dec. 7, 2018	MLAB	S	8,000	$212.47	$1,699,760	50,468 Direct	-13.68%	Disposed	-43.2% (price as of 2026-08-20)
Dec. 6, 2018	MLAB	S	3,000	$212.50	$637,500	58,468 Direct	-4.88%	Disposed	-43.2% (price as of 2026-08-20)
Dec. 4, 2018	MLAB	S	2,000	$218.74	$437,480	61,468 Direct	-3.15%	Disposed	-44.8% (price as of 2026-08-20)
Nov. 7, 2018	MLAB	A	150	—	—	150 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 7, 2018	MLAB	A	150	—	—	63,468 Direct	+0.24%	Acquired	(price as of 2026-08-20)
Sept. 20, 2018	MLAB	J	107,987	—	—	63,318 Direct	-63.04%	Disposed	(price as of 2026-08-20)
April 2, 2018	MLAB	A	150	—	—	150 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2018	MLAB	A	150	—	—	171,305 Indirect	+0.09%	Acquired	(price as of 2026-08-20)
April 2, 2018	MLAB	A	450	—	—	13,090 Direct	+3.56%	Acquired	(price as of 2026-08-20)
April 3, 2017	MLAB	A	1,000	—	—	12,640 Direct	+8.59%	Acquired	(price as of 2026-08-20)
April 3, 2017	MLAB	A	830	—	—	12,470 Direct	+7.13%	Acquired	(price as of 2026-08-20)
May 19, 2016	SHAK	A	2,003	—	—	2,003 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2016	MLAB	A	1,000	—	—	11,640 Direct	+9.40%	Acquired	(price as of 2026-08-20)
July 7, 2015	MLAB	J	28,845	$89.98	$2,595,473	171,155 Indirect	-14.42%	Disposed	34.2% (price as of 2026-08-20)
April 1, 2015	MLAB	A	1,320	—	—	10,640 Direct	+14.16%	Acquired	(price as of 2026-08-20)
Jan. 29, 2015	SHAK	A	8,251	—	—	8,251 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 2, 2014	MLAB	A	120	—	—	9,320 Direct	+1.30%	Acquired	(price as of 2026-08-20)
April 1, 2014	MLAB	A	1,200	—	—	9,200 Direct	+15.00%	Acquired	(price as of 2026-08-20)
April 1, 2013	MLAB	A	1,000	—	—	8,000 Direct	+14.29%	Acquired	(price as of 2026-08-20)
April 2, 2012	MLAB	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
April 6, 2011	MLAB	X	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2011	MLAB	P	10,000	$29.00	$290,000	200,000 Indirect	+5.26%	Acquired	316.3% (price as of 2026-08-20)
Dec. 21, 2010	MLAB	P	40,000	$24.75	$990,000	190,000 Indirect	+26.67%	Acquired	387.8% (price as of 2026-08-20)
Oct. 12, 2010	MLAB	P	30,000	$21.52	$645,600	150,000 Indirect	+25.00%	Acquired	461.0% (price as of 2026-08-20)
April 1, 2010	MLAB	X	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 30, 2009	MLAB	P	20,000	$23.10	$462,000	120,000 Indirect	+20.00%	Acquired	422.7% (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
Sept. 1, 2022	MLAB	Restricted Stock Units - 6	Common Stock (431)	—	—	431	Disposed
Aug. 18, 2022	MLAB	Non Qualified Stock Option	Common Stock (1,320)	$70.56	April 1, 2023	1,320	Disposed
Aug. 18, 2022	MLAB	Non Qualified Stock Option	Common Stock (1,000)	$122.66	April 3, 2023	1,000	Disposed
Aug. 18, 2022	MLAB	Non Qualified Stock Option	Common Stock (360)	$142.40	April 2, 2024	360	Disposed
June 15, 2022	MLAB	Restricted Stock Unit - 1	Common Stock (30)	—	—	30	Disposed
Dec. 2, 2021	MLAB	Non Qualified Stock Option	Common Stock (1,200)	$89.70	April 1, 2022	1,200	Disposed
Dec. 2, 2021	MLAB	Non Qualified Stock Option	Common Stock (120)	$58.51	Oct. 2, 2022	120	Disposed
Dec. 2, 2021	MLAB	Non Qualified Stock Option	Common Stock (1,000)	$97.78	April 1, 2022	1,000	Disposed
Sept. 1, 2021	MLAB	Restricted Stock Units - 6	Common Stock (431)	—	—	431	Acquired
Aug. 15, 2021	MLAB	Restricted Stock Units - 5	Common Stock (308)	—	—	308	Disposed
June 15, 2021	MLAB	Restricted Stock Units -1	Common Stock (30)	—	—	30	Disposed
June 15, 2021	MLAB	Restricted Stock Units - 4	Common Stock (265)	—	—	265	Disposed
Nov. 15, 2020	MLAB	Restricted Stock Unit - 5	Common Stock (308)	—	—	308	Acquired
Nov. 15, 2020	MLAB	Restricted Stock Units - 3	Common Stock (477)	—	—	477	Disposed
Nov. 13, 2020	MLAB	Non Qualified Stock Option	Common Stock (850)	$29.20	April 6, 2021	850	Disposed
Nov. 13, 2020	MLAB	Non Qualified Stock Option	Common Stock (1,000)	$50.50	April 2, 2022	1,000	Disposed
Nov. 13, 2020	MLAB	Non Qualified Stock Option	Common Stock (200)	$51.85	April 1, 2023	200	Disposed
June 15, 2020	MLAB	Restricted Stock Units - 1	Common Stock (30)	—	—	30	Disposed
June 15, 2020	MLAB	Restricted Stock Units - 4	Common Stock (265)	—	—	265	Acquired
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	Acquired
June 15, 2019	MLAB	Restricted Stock Unit - 1	Common Stock (30)	—	—	30	Disposed
Feb. 20, 2019	MLAB	Non Qualified Stock Option	Common Stock (1,746)	$25.56	April 1, 2020	1,746	Disposed
Feb. 13, 2019	MLAB	Non Qualified Stock Option	Common Stock (254)	$25.56	April 1, 2020	254	Disposed
Feb. 11, 2019	MLAB	Non Qualified Stock Option	Common Stock (3,000)	$17.01	Feb. 25, 2019	3,000	Disposed
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 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
May 19, 2016	SHAK	Stock Option (Right to Buy)	Class A Common Stock, par value $0.001 per share (2,003)	$34.62	May 19, 2026	2,003	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
Jan. 29, 2015	SHAK	Stock Option (Right to Buy)	Class A Common Stock, par value $0.001 per share (8,251)	$21.00	Jan. 29, 2015	8,251	Acquired
Oct. 2, 2014	MLAB	Non-Qualified Stock Option	Common Stock (120)	$58.51	Oct. 2, 2022	120	Acquired
April 1, 2014	MLAB	Common Stock	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
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

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
Feb. 25, 2009	MLAB	Common Stock	100,000	Indirect
Feb. 25, 2009	MLAB	Non statutory purchase option→ Common Stock (3,000)	3,000	Direct