Brian Shirley

Insider

First SEC filing: July 14, 2017 · Latest: July 14, 2017

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 2 sells (S) Net: $-842,254 + 71 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

71 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 15, 2026	AEIS	S 10b5-1	1,234	$372.35	$459,480	6,663 Direct	-15.63%	Disposed	-21.8% (price as of 2026-08-20)
May 7, 2026	AEIS	A	587	—	—	587 Direct	—	Acquired	(price as of 2026-08-20)
May 2, 2026	AEIS	M	2,313	—	—	7,897 Indirect	+41.42%	Acquired	(price as of 2026-08-20)
May 2, 2026	AEIS	M	2,313	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2026	AEIS	S 10b5-1	1,234	$310.19	$382,774	5,584 Indirect	-18.10%	Disposed	-6.1% (price as of 2026-08-20)
May 3, 2025	AEIS	M	2,093	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 3, 2025	AEIS	M	2,093	—	—	6,818 Indirect	+44.30%	Acquired	(price as of 2026-08-20)
May 2, 2025	AEIS	A	2,313	—	—	2,313 Direct	—	Acquired	(price as of 2026-08-20)
May 5, 2024	AEIS	M	2,257	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 5, 2024	AEIS	M	2,257	—	—	4,725 Indirect	+91.45%	Acquired	(price as of 2026-08-20)
May 3, 2024	AEIS	A	2,093	—	—	2,093 Direct	—	Acquired	(price as of 2026-08-20)
May 5, 2023	AEIS	A	2,257	—	—	2,257 Direct	—	Acquired	(price as of 2026-08-20)
June 15, 2022	AEIS	A	2,468	—	—	2,468 Direct	—	Acquired	(price as of 2026-08-20)
July 12, 2017	MU	M	27,250	—	—	27,250 Direct	-50.00%	Disposed	(price as of 2026-08-20)
July 12, 2017	MU	S	27,250	$31.54	$859,465	264,961 Direct	-9.33%	Disposed	2862.4% (price as of 2026-08-20)
July 12, 2017	MU	M	27,250	$16.92	$461,070	292,211 Direct	+10.28%	Acquired	5422.2% (price as of 2026-08-20)
May 15, 2017	MU	M	27,250	—	—	54,500 Direct	-33.33%	Disposed	(price as of 2026-08-20)
May 15, 2017	MU	S	23,331	$28.77	$671,233	264,961 Direct	-8.09%	Disposed	3147.7% (price as of 2026-08-20)
May 15, 2017	MU	S	27,250	$28.77	$783,982	288,292 Direct	-8.64%	Disposed	3147.7% (price as of 2026-08-20)
May 15, 2017	MU	M	27,250	$16.92	$461,070	315,542 Direct	+9.45%	Acquired	5422.2% (price as of 2026-08-20)
March 28, 2017	MU	M	63,000	—	—	126,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 28, 2017	MU	S	25,000	$28.69	$717,250	288,292 Direct	-7.98%	Disposed	3156.7% (price as of 2026-08-20)
March 28, 2017	MU	S	63,000	$28.67	$1,806,210	313,292 Direct	-16.74%	Disposed	3159.0% (price as of 2026-08-20)
March 28, 2017	MU	M	63,000	$5.72	$360,360	376,292 Direct	+20.11%	Acquired	16234.8% (price as of 2026-08-20)
Feb. 15, 2017	MU	M	27,250	—	—	54,500 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 15, 2017	MU	S	27,250	$23.12	$630,020	313,292 Direct	-8.00%	Disposed	3941.3% (price as of 2026-08-20)
Feb. 15, 2017	MU	M	27,250	$16.92	$461,070	340,542 Direct	+8.70%	Acquired	5422.2% (price as of 2026-08-20)
Jan. 6, 2017	MU	M	64,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 6, 2017	MU	S	25,830	$22.08	$570,326	313,292 Direct	-7.62%	Disposed	4131.7% (price as of 2026-08-20)
Jan. 6, 2017	MU	S	64,750	$22.10	$1,430,975	339,122 Direct	-16.03%	Disposed	4127.8% (price as of 2026-08-20)
Jan. 6, 2017	MU	M	64,750	$5.16	$334,110	403,872 Direct	+19.09%	Acquired	18007.6% (price as of 2026-08-20)
Nov. 17, 2016	MU	M	63,000	—	—	189,000 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Nov. 17, 2016	MU	S 10b5-1	9,243	$19.00	$175,617	339,122 Direct	-2.65%	Disposed	4817.6% (price as of 2026-08-20)
Nov. 17, 2016	MU	S 10b5-1	63,000	$19.00	$1,197,000	348,365 Direct	-15.31%	Disposed	4817.6% (price as of 2026-08-20)
Nov. 17, 2016	MU	M	63,000	$5.72	$360,360	411,365 Direct	+18.08%	Acquired	16234.8% (price as of 2026-08-20)
Oct. 20, 2016	MU	F	6,280	$17.22	$108,142	348,365 Direct	-1.77%	Disposed	5326.0% (price as of 2026-08-20)
Oct. 19, 2016	MU	A	46,034	—	—	46,034 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 19, 2016	MU	A	106,211	—	—	106,211 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 19, 2016	MU	A	84,107	—	—	354,645 Direct	+31.09%	Acquired	(price as of 2026-08-20)
Oct. 16, 2016	MU	F	10,611	$17.13	$181,766	270,538 Direct	-3.77%	Disposed	5354.5% (price as of 2026-08-20)
Oct. 16, 2016	MU	F	16,163	$17.13	$276,872	281,149 Direct	-5.44%	Disposed	5354.5% (price as of 2026-08-20)
Oct. 14, 2016	MU	F	9,938	$16.85	$167,455	297,312 Direct	-3.23%	Disposed	5445.1% (price as of 2026-08-20)
Oct. 4, 2016	MU	M	64,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 4, 2016	MU	S 10b5-1	25,264	$17.84	$450,710	307,250 Direct	-7.60%	Disposed	5137.4% (price as of 2026-08-20)
Oct. 4, 2016	MU	S 10b5-1	64,750	$17.84	$1,155,140	332,514 Direct	-16.30%	Disposed	5137.4% (price as of 2026-08-20)
Oct. 4, 2016	MU	M	64,750	$5.16	$334,110	397,264 Direct	+19.47%	Acquired	18007.6% (price as of 2026-08-20)
July 5, 2016	MU	M	48,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 5, 2016	MU	S 10b5-1	48,750	$12.37	$603,038	332,514 Direct	-12.79%	Disposed	7453.4% (price as of 2026-08-20)
July 5, 2016	MU	M	48,750	$7.59	$370,012	381,264 Direct	+14.66%	Acquired	12210.3% (price as of 2026-08-20)
Oct. 20, 2015	MU	F	6,280	$19.16	$120,325	332,514 Direct	-1.85%	Disposed	4776.6% (price as of 2026-08-20)
Oct. 16, 2015	MU	F	26,774	$18.66	$499,603	338,794 Direct	-7.32%	Disposed	4907.2% (price as of 2026-08-20)
Oct. 14, 2015	MU	A	47,374	—	—	47,374 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 14, 2015	MU	A	101,048	—	—	101,048 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 14, 2015	MU	A	80,545	—	—	365,568 Direct	+28.26%	Acquired	(price as of 2026-08-20)
Oct. 12, 2015	MU	F	9,007	$18.16	$163,567	285,023 Direct	-3.06%	Disposed	5045.1% (price as of 2026-08-20)
April 22, 2015	MU	M	64,750	—	—	129,500 Direct	-33.33%	Disposed	(price as of 2026-08-20)
April 22, 2015	MU	S 10b5-1	64,750	$29.00	$1,877,750	294,030 Direct	-18.05%	Disposed	3121.9% (price as of 2026-08-20)
April 22, 2015	MU	M	64,750	$5.16	$334,110	358,780 Direct	+22.02%	Acquired	18007.6% (price as of 2026-08-20)
April 20, 2015	MU	S 10b5-1	25,000	$28.08	$702,000	294,030 Direct	-7.84%	Disposed	3227.5% (price as of 2026-08-20)
Jan. 20, 2015	MU	M	48,750	—	—	48,750 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Jan. 20, 2015	MU	S 10b5-1	25,000	$29.46	$736,500	319,030 Direct	-7.27%	Disposed	3071.6% (price as of 2026-08-20)
Jan. 20, 2015	MU	S 10b5-1	48,750	$30.00	$1,462,500	344,030 Direct	-12.41%	Disposed	3014.5% (price as of 2026-08-20)
Jan. 20, 2015	MU	M	48,750	$7.59	$370,012	392,780 Direct	+14.17%	Acquired	12210.3% (price as of 2026-08-20)
Oct. 20, 2014	MU	A	30,600	—	—	30,600 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 20, 2014	MU	A	62,600	—	—	62,600 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 20, 2014	MU	A	50,900	—	—	344,030 Direct	+17.36%	Acquired	(price as of 2026-08-20)
Oct. 20, 2014	MU	F	28,624	$28.76	$823,226	293,130 Direct	-8.90%	Disposed	3148.8% (price as of 2026-08-20)
Oct. 16, 2014	MU	F	26,774	$27.54	$737,356	321,754 Direct	-7.68%	Disposed	3292.7% (price as of 2026-08-20)
Oct. 13, 2014	MU	F	15,053	$27.79	$418,323	348,528 Direct	-4.14%	Disposed	3262.2% (price as of 2026-08-20)
Oct. 3, 2014	MU	S	30,000	$34.06	$1,021,800	363,581 Direct	-7.62%	Disposed	2643.2% (price as of 2026-08-20)
July 2, 2014	MU	M	64,750	—	—	194,250 Direct	-25.00%	Disposed	(price as of 2026-08-20)
July 2, 2014	MU	S	64,750	$34.06	$2,205,385	393,581 Direct	-14.13%	Disposed	2643.2% (price as of 2026-08-20)
July 2, 2014	MU	M	64,750	$5.16	$334,110	458,331 Direct	+16.45%	Acquired	18007.6% (price as of 2026-08-20)
Jan. 14, 2014	MU	M	48,750	—	—	97,500 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Jan. 14, 2014	MU	S	25,000	$23.72	$593,000	393,581 Direct	-5.97%	Disposed	3839.1% (price as of 2026-08-20)
Jan. 14, 2014	MU	S	48,750	$23.72	$1,156,350	418,581 Direct	-10.43%	Disposed	3839.1% (price as of 2026-08-20)
Jan. 14, 2014	MU	M	48,750	$7.59	$370,012	467,331 Direct	+11.65%	Acquired	12210.3% (price as of 2026-08-20)
Jan. 13, 2014	MU	M	48,750	—	—	146,250 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Jan. 13, 2014	MU	S	25,000	$23.46	$586,500	418,581 Direct	-5.64%	Disposed	3882.7% (price as of 2026-08-20)
Jan. 13, 2014	MU	S	48,750	$23.44	$1,142,700	443,581 Direct	-9.90%	Disposed	3886.1% (price as of 2026-08-20)
Jan. 13, 2014	MU	M	48,750	$7.59	$370,012	492,331 Direct	+10.99%	Acquired	12210.3% (price as of 2026-08-20)
Nov. 13, 2013	MU	M	94,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 13, 2013	MU	S	94,500	$18.92	$1,787,940	443,581 Direct	-17.56%	Disposed	4838.4% (price as of 2026-08-20)
Nov. 13, 2013	MU	M	94,500	$7.46	$704,970	538,081 Direct	+21.30%	Acquired	12424.8% (price as of 2026-08-20)
Nov. 12, 2013	MU	M	94,500	—	—	94,500 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 12, 2013	MU	S	94,500	$18.60	$1,757,700	443,581 Direct	-17.56%	Disposed	4923.4% (price as of 2026-08-20)
Nov. 12, 2013	MU	M	94,500	$7.46	$704,970	538,081 Direct	+21.30%	Acquired	12424.8% (price as of 2026-08-20)
Nov. 11, 2013	MU	M	75,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 11, 2013	MU	S	75,000	$18.22	$1,366,500	443,581 Direct	-14.46%	Disposed	5028.2% (price as of 2026-08-20)
Nov. 11, 2013	MU	S	75,000	$18.20	$1,365,000	518,581 Direct	-12.64%	Disposed	5033.8% (price as of 2026-08-20)
Nov. 11, 2013	MU	M	75,000	$11.51	$863,250	593,581 Direct	+14.46%	Acquired	8017.7% (price as of 2026-08-20)
Oct. 16, 2013	MU	A	109,000	—	—	109,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Oct. 16, 2013	MU	F	42,935	$16.92	$726,460	518,581 Direct	-7.65%	Disposed	5422.2% (price as of 2026-08-20)
Oct. 16, 2013	MU	F	44,909	$16.92	$759,860	561,516 Direct	-7.41%	Disposed	5422.2% (price as of 2026-08-20)
Oct. 16, 2013	MU	D	62,000	—	—	606,425 Direct	-9.28%	Disposed	(price as of 2026-08-20)
Oct. 16, 2013	MU	A	58,000	—	—	668,425 Direct	+9.50%	Acquired	(price as of 2026-08-20)
Oct. 16, 2013	MU	A	86,000	—	—	610,425 Direct	+16.40%	Acquired	(price as of 2026-08-20)
Oct. 16, 2013	MU	F	16,163	$16.92	$273,478	524,425 Direct	-2.99%	Disposed	5422.2% (price as of 2026-08-20)
Oct. 11, 2013	MU	F	15,053	$18.44	$277,577	540,588 Direct	-2.71%	Disposed	4967.0% (price as of 2026-08-20)
Oct. 7, 2013	MU	F	6,169	$18.47	$113,941	555,641 Direct	-1.10%	Disposed	4958.7% (price as of 2026-08-20)

Showing latest 100 of 211 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
May 7, 2026	AEIS	Restricted Stock Units	Common Stock (587)	—	—	587	Acquired
May 2, 2026	AEIS	Restricted Stock Units	Common Stock (2,313)	—	—	2,313	Disposed
May 3, 2025	AEIS	Restricted Stock Units	Common Stock (2,093)	—	—	2,093	Disposed
May 2, 2025	AEIS	Restricted Stock Units	Common Stock (2,313)	—	—	2,313	Acquired
May 5, 2024	AEIS	Restricted Stock Units	Common Stock (2,257)	—	—	2,257	Disposed
May 3, 2024	AEIS	Restricted Stock Units	Common Stock (2,093)	$0.00	—	2,093	Acquired
May 5, 2023	AEIS	Common Stock	Common Stock (2,257)	$0.00	—	2,257	Acquired
July 12, 2017	MU	Non-Qualified Stock Option	Common Stock (27,250)	$16.92	Oct. 16, 2019	27,250	Disposed
May 15, 2017	MU	Non-Qualified Stock Option	Common Stock (27,250)	$16.92	Oct. 16, 2019	27,250	Disposed
March 28, 2017	MU	Non-Qualified Stock Option	Common Stock (63,000)	$5.72	Oct. 16, 2018	63,000	Disposed
Feb. 15, 2017	MU	Non-Qualified Stock Option	Common Stock (27,250)	$16.92	Oct. 16, 2019	27,250	Disposed
Jan. 6, 2017	MU	Non-Qualified Stock Option	Common Stock (64,750)	$5.16	Oct. 11, 2017	64,750	Disposed
Nov. 17, 2016	MU	Non-Qualified Stock Option	Common Stock (63,000)	$5.72	Oct. 16, 2018	63,000	Disposed
Oct. 19, 2016	MU	Performance Restricted Stock Unit	Common Stock	$0.00	—	46,034	Acquired
Oct. 19, 2016	MU	Non-Qualified Stock Option	Common Stock (106,211)	$17.41	Oct. 19, 2024	106,211	Acquired
Oct. 4, 2016	MU	Non-Qualified Stock Option	Common Stock (64,750)	$5.16	Oct. 11, 2016	64,750	Disposed
July 5, 2016	MU	Non-Qualified Stock Option	Common Stock (48,750)	$7.59	Oct. 11, 2016	48,750	Disposed
Oct. 14, 2015	MU	Performance Restricted Stock Unit	Common Stock	$0.00	—	47,374	Acquired
Oct. 14, 2015	MU	Non-qualified Stock Option	Common Stock (101,048)	$18.18	Oct. 14, 2023	101,048	Acquired
April 22, 2015	MU	Non-Qualified Stock Option	Common Stock (64,750)	$5.16	Oct. 11, 2017	64,750	Disposed
Jan. 20, 2015	MU	Non-Qualified Stock Option	Common Stock (48,750)	$7.59	Oct. 11, 2016	48,750	Disposed
Oct. 20, 2014	MU	Performance Restricted Stock Unit	Common Stock	$0.00	—	30,600	Acquired
Oct. 20, 2014	MU	Non-qualified Stock Option	Common Stock (62,600)	$28.76	Dec. 20, 2022	62,600	Acquired
July 2, 2014	MU	Non-Qualifed Stock Option	Common Stock (64,750)	$5.16	Oct. 11, 2017	64,750	Disposed
Jan. 14, 2014	MU	Non-Qualifed Stock Option	Common Stock (48,750)	$7.59	Oct. 11, 2016	48,750	Disposed
Jan. 13, 2014	MU	Non-Qualified Stock Option	Common Stock (48,750)	$7.59	Oct. 11, 2016	48,750	Disposed
Nov. 13, 2013	MU	Non-Qualified Stock Option	Common Stock (94,500)	$7.46	Oct. 5, 2015	94,500	Disposed
Nov. 12, 2013	MU	Non-Qualified Stock Option	Common Stock (94,500)	$7.46	Oct. 5, 2015	94,500	Disposed
Nov. 11, 2013	MU	Non-Qualified Stock Option	Common Stock (75,000)	$11.51	Sept. 1, 2014	75,000	Disposed
Oct. 16, 2013	MU	Non-Qualified Stock Option	Common Stock (109,000)	$16.92	Oct. 16, 2019	109,000	Disposed
Aug. 14, 2013	MU	Non-Qualified Stock Option	Common Stock (100,000)	$12.52	Nov. 19, 2013	100,000	Disposed
June 24, 2013	MU	Non-Qualified Stock Option	Common Stock (94,750)	$4.48	Oct. 3, 2014	94,750	Disposed
May 3, 2013	MU	Non-Qualified Stock Option	Common Stock (5,000)	$9.00	May 5, 2013	5,000	Disposed
May 2, 2013	MU	Non-Qualified Stock Option	Common Stock (94,750)	$4.48	Oct. 3, 2014	94,750	Disposed
April 19, 2013	MU	Non-Qualified Stock Option	Common Stock (94,750)	$4.48	Oct. 3, 2014	94,750	Disposed
Oct. 16, 2012	MU	Non-Qualified Stock Option	Common Stock (252,000)	$5.72	Oct. 16, 2018	252,000	Acquired
Oct. 11, 2011	MU	Non-Qualified Stock Option	Common Stock (259,000)	$5.16	Oct. 11, 2017	259,000	Acquired
April 25, 2011	MU	NONQUALIFIED STOCK OPTION	COMMON STOCK (94,750)	$4.48	Oct. 3, 2014	94,750	Disposed
Oct. 11, 2010	MU	Non-Qualified Stock Option	Common Stock (195,000)	$7.59	Oct. 11, 2016	195,000	Acquired
Oct. 5, 2009	MU	Non-Qualified Stock Option	Common Stock (189,000)	$7.46	Oct. 5, 2015	189,000	Acquired
Oct. 3, 2008	MU	Non-Qualified Stock Option	Common Stock (379,000)	$4.48	Oct. 3, 2014	379,000	Acquired
Aug. 3, 2006	MU	NonQualified Stock Option	Common Stock (25,000)	$11.51	Sept. 1, 2014	25,000	Disposed

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

Initial ownership (Form 3) 16 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 14, 2006	MU	Common Stock	13,200	Direct
Feb. 14, 2006	MU	Non-Qualifed Stock Option→ Common Stock (16,000)	16,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (21,782)	21,782	Direct
Feb. 14, 2006	MU	Incentive Stock Option→ Common Stock (6,218)	6,218	Direct
Feb. 14, 2006	MU	Incentive Stock Option→ Common Stock (670)	670	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (59,330)	59,330	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (50,000)	50,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (100)	100	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (100)	100	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (70,000)	70,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (65,000)	65,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (10,000)	10,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (100,000)	100,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (100,000)	100,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (25,000)	25,000	Direct
Feb. 14, 2006	MU	Non-Qualified Stock Option→ Common Stock (65,000)	65,000	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MU

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$630,000	—	$2,440,515	$813,500	$1,260,000	—	$15,474	$5,159,489
2016	$630,000	—	$2,440,513	$813,498	—	—	$13,250	$3,897,261
2015	$635,077	—	$2,441,520	$812,672	$126,000	—	$13,250	$4,028,519

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.