Dermot Mark Durcan

CIK 1202358 · View on SEC EDGAR ↗

Insider

First SEC filing: May 10, 2024 · Latest: May 10, 2024

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

2 buys (P) 0 sells (S) Net: $2,161,800 + 91 non-open-market transactions below Avg return of open purchases vs now: 17.3% 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

91 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 18, 2026	COR	P	4,000	$274.19	$1,096,760	31,767 Direct	+14.41%	Acquired	15.6% (price as of 2026-08-21)
May 28, 2026	COR	P	4,000	$266.26	$1,065,040	27,767 Direct	+16.83%	Acquired	19.0% (price as of 2026-08-21)
March 5, 2026	COR	A	905	$359.28	$325,148	23,767 Direct	+3.96%	Acquired	-11.8% (price as of 2026-08-21)
March 6, 2025	COR	A	986	—	—	22,862 Direct	+4.51%	Acquired	(price as of 2026-08-21)
May 24, 2024	COR	P	500	$218.58	$109,290	21,876 Direct	+2.34%	Acquired	45.0% (price as of 2026-08-21)
May 8, 2024	AMD	A	1,547	—	—	1,547 Direct	—	Acquired	(price as of 2026-08-21)
March 12, 2024	COR	A	1,053	—	—	21,376 Direct	+5.18%	Acquired	(price as of 2026-08-21)
March 11, 2024	COR	M	1,593	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 11, 2024	COR	A	1,593	—	—	20,323 Direct	+8.51%	Acquired	(price as of 2026-08-21)
May 18, 2023	AMD	A	2,709	—	—	2,709 Direct	—	Acquired	(price as of 2026-08-21)
March 9, 2023	COR	A	1,667	—	—	18,730 Direct	+9.77%	Acquired	(price as of 2026-08-21)
March 5, 2023	COR	M	2,012	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 5, 2023	COR	M	2,012	—	—	14,272 Direct	+16.41%	Acquired	(price as of 2026-08-21)
May 18, 2022	AMD	A	2,197	—	—	2,197 Direct	—	Acquired	(price as of 2026-08-21)
March 10, 2022	COR	A	1,197	—	—	1,197 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 28, 2022	COR	M	2,101	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 28, 2022	COR	M	2,101	—	—	12,260 Direct	+20.68%	Acquired	(price as of 2026-08-21)
Nov. 1, 2021	COR	A	265	$122.81	$32,545	10,159 Direct	+2.68%	Acquired	158.1% (price as of 2026-08-21)
Aug. 2, 2021	COR	A	288	$122.17	$35,185	9,894 Direct	+3.00%	Acquired	159.4% (price as of 2026-08-21)
May 19, 2021	AMD	A	2,578	—	—	2,578 Direct	—	Acquired	(price as of 2026-08-21)
May 3, 2021	COR	A	258	$120.80	$31,166	9,606 Direct	+2.76%	Acquired	162.4% (price as of 2026-08-21)
March 11, 2021	COR	A	1,593	—	—	1,593 Direct	—	Acquired	(price as of 2026-08-21)
March 2, 2021	COR	M	1,340	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 2, 2021	COR	M	1,340	—	—	9,348 Direct	+16.73%	Acquired	(price as of 2026-08-21)
Feb. 2, 2021	COR	A	292	$106.89	$31,212	8,008 Direct	+3.78%	Acquired	196.5% (price as of 2026-08-21)
Nov. 2, 2020	COR	A	325	$96.07	$31,223	7,716 Direct	+4.40%	Acquired	229.9% (price as of 2026-08-21)
Aug. 3, 2020	COR	A	312	$100.19	$31,259	7,391 Direct	+4.41%	Acquired	216.3% (price as of 2026-08-21)
May 7, 2020	AMD	A	3,994	—	—	3,994 Direct	—	Acquired	(price as of 2026-08-21)
May 1, 2020	COR	A	362	$86.38	$31,270	7,079 Direct	+5.39%	Acquired	266.9% (price as of 2026-08-21)
March 23, 2020	COR	P	1,350	$74.33	$100,346	6,717 Direct	+25.15%	Acquired	326.4% (price as of 2026-08-21)
March 13, 2020	COR	P	1,225	$82.62	$101,210	5,367 Direct	+29.58%	Acquired	283.6% (price as of 2026-08-21)
March 5, 2020	COR	A	2,012	—	—	2,012 Direct	—	Acquired	(price as of 2026-08-21)
March 3, 2020	COR	M	1,360	—	—	4,142 Direct	+48.89%	Acquired	(price as of 2026-08-21)
March 3, 2020	COR	M	1,360	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 3, 2020	COR	A	365	$85.56	$31,229	2,782 Direct	+15.10%	Acquired	270.4% (price as of 2026-08-21)
May 15, 2019	AMD	A	6,661	—	—	6,661 Direct	—	Acquired	(price as of 2026-08-21)
March 4, 2019	COR	M	1,417	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 4, 2019	COR	M	1,417	—	—	2,417 Direct	+141.70%	Acquired	(price as of 2026-08-21)
Feb. 28, 2019	COR	A	2,101	$83.30	$175,013	4,202 Direct	+100.00%	Acquired	280.5% (price as of 2026-08-21)
May 2, 2018	AMD	A	18,084	—	—	18,084 Direct	—	Acquired	(price as of 2026-08-21)
March 1, 2018	COR	A	1,340	—	—	1,340 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 30, 2017	AMD	A	13,944	—	—	13,944 Direct	—	Acquired	(price as of 2026-08-21)
March 2, 2017	COR	A	1,360	—	—	1,360 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 19, 2016	MU	A	113,174	—	—	113,174 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 19, 2016	MU	A	261,121	—	—	261,121 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 19, 2016	MU	A	206,778	—	—	1,929,300 Direct	+12.00%	Acquired	(price as of 2026-08-21)
Oct. 16, 2016	MU	F	1,271	$17.13	$21,772	1,722,522 Direct	-0.07%	Disposed	5648.1% (price as of 2026-08-21)
Oct. 16, 2016	MU	F	24,675	$17.13	$422,683	1,723,793 Direct	-1.41%	Disposed	5648.1% (price as of 2026-08-21)
Oct. 16, 2016	MU	F	48,487	$17.13	$830,582	1,748,468 Direct	-2.70%	Disposed	5648.1% (price as of 2026-08-21)
Oct. 14, 2016	MU	F	15,269	$16.85	$257,283	1,796,955 Direct	-0.84%	Disposed	5743.6% (price as of 2026-08-21)
Oct. 11, 2016	MU	M	391,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 11, 2016	MU	F	270,509	$17.50	$4,733,908	1,812,224 Direct	-12.99%	Disposed	5526.6% (price as of 2026-08-21)
Oct. 11, 2016	MU	M	391,000	$7.59	$2,967,690	2,082,733 Direct	-15.81%	Disposed	12873.0% (price as of 2026-08-21)
July 18, 2016	MU	S	1,803	$13.28	$23,944	1,298 Indirect	-58.14%	Disposed	7314.5% (price as of 2026-08-21)
March 3, 2016	COR	A	1,417	—	—	1,417 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 2, 2015	COR	P	1,000	$99.70	$99,700	1,000 Direct	—	Acquired	217.9% (price as of 2026-08-21)
Oct. 20, 2015	MU	F	15,369	$19.16	$294,470	1,691,733 Direct	-0.90%	Disposed	5039.1% (price as of 2026-08-21)
Oct. 16, 2015	MU	F	74,352	$18.66	$1,387,408	1,707,102 Direct	-4.17%	Disposed	5176.8% (price as of 2026-08-21)
Oct. 14, 2015	MU	A	72,793	—	—	72,793 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 14, 2015	MU	A	155,268	—	—	155,268 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 14, 2015	MU	A	123,762	—	—	1,781,454 Direct	+7.47%	Acquired	(price as of 2026-08-21)
Oct. 12, 2015	MU	F	18,939	$18.16	$343,932	1,657,692 Direct	-1.13%	Disposed	5322.1% (price as of 2026-08-21)
Dec. 31, 2014	MU	G	30,000	—	—	1,676,631 Direct	-1.76%	Disposed	(price as of 2026-08-21)
Oct. 20, 2014	MU	A	75,300	—	—	75,300 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 20, 2014	MU	A	154,100	—	—	154,100 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 20, 2014	MU	A	125,200	—	—	1,706,631 Direct	+7.92%	Acquired	(price as of 2026-08-21)
Oct. 20, 2014	MU	F	69,042	$28.76	$1,985,648	1,581,431 Direct	-4.18%	Disposed	3323.7% (price as of 2026-08-21)
Oct. 16, 2014	MU	F	74,433	$27.54	$2,049,885	1,650,473 Direct	-4.32%	Disposed	3475.3% (price as of 2026-08-21)
Oct. 13, 2014	MU	F	39,111	$27.79	$1,086,895	1,724,906 Direct	-2.22%	Disposed	3443.2% (price as of 2026-08-21)
June 12, 2014	MU	A	13,300	—	—	13,300 Direct	—	Acquired	(price as of 2026-08-21)
June 12, 2014	MU	A	6,900	—	—	1,764,017 Direct	+0.39%	Acquired	(price as of 2026-08-21)
June 12, 2014	MU	A	10,300	—	—	1,757,117 Direct	+0.59%	Acquired	(price as of 2026-08-21)
June 2, 2014	MU	S 10b5-1	200,000	$28.42	$5,684,000	1,746,817 Direct	-10.27%	Disposed	3364.6% (price as of 2026-08-21)
April 15, 2014	MU	S 10b5-1	200,000	$21.90	$4,380,000	1,946,817 Direct	-9.32%	Disposed	4396.1% (price as of 2026-08-21)
Feb. 18, 2014	MU	G	7,500	—	—	2,146,817 Direct	-0.35%	Disposed	(price as of 2026-08-21)
Feb. 12, 2014	MU	M	379,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2014	MU	M	758,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2014	MU	M	125,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2014	MU	F	244,989	$24.71	$6,053,678	2,154,317 Direct	-10.21%	Disposed	3884.8% (price as of 2026-08-21)
Feb. 12, 2014	MU	M	379,000	$7.46	$2,827,340	2,399,306 Direct	+18.76%	Acquired	13099.1% (price as of 2026-08-21)
Feb. 12, 2014	MU	F	443,679	$24.71	$10,963,308	2,020,306 Direct	-18.01%	Disposed	3884.8% (price as of 2026-08-21)
Feb. 12, 2014	MU	M	758,000	$4.48	$3,395,840	2,463,985 Direct	+44.43%	Acquired	21878.8% (price as of 2026-08-21)
Feb. 12, 2014	MU	F	96,513	$24.71	$2,384,836	1,705,985 Direct	-5.35%	Disposed	3884.8% (price as of 2026-08-21)
Feb. 12, 2014	MU	M	125,000	$15.91	$1,988,750	1,802,498 Direct	+7.45%	Acquired	6088.9% (price as of 2026-08-21)
Oct. 16, 2013	MU	A	222,000	—	—	222,000 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 16, 2013	MU	F	129,297	$16.92	$2,187,705	1,677,498 Direct	-7.16%	Disposed	5719.4% (price as of 2026-08-21)
Oct. 16, 2013	MU	F	134,726	$16.92	$2,279,564	1,806,795 Direct	-6.94%	Disposed	5719.4% (price as of 2026-08-21)
Oct. 16, 2013	MU	D	124,000	—	—	1,941,521 Direct	-6.00%	Disposed	(price as of 2026-08-21)
Oct. 16, 2013	MU	A	133,000	—	—	2,065,521 Direct	+6.88%	Acquired	(price as of 2026-08-21)
Oct. 16, 2013	MU	A	200,000	—	—	1,932,521 Direct	+11.54%	Acquired	(price as of 2026-08-21)
Oct. 16, 2013	MU	F	48,487	$16.92	$820,400	1,732,521 Direct	-2.72%	Disposed	5719.4% (price as of 2026-08-21)
Oct. 11, 2013	MU	F	37,736	$18.44	$695,852	1,781,008 Direct	-2.07%	Disposed	5239.8% (price as of 2026-08-21)
Oct. 7, 2013	MU	F	8,775	$18.47	$162,074	1,818,744 Direct	-0.48%	Disposed	5231.1% (price as of 2026-08-21)
Sept. 23, 2013	MU	F	111,501	$17.23	$1,921,162	1,827,519 Direct	-5.75%	Disposed	5614.7% (price as of 2026-08-21)
Sept. 23, 2013	MU	M	125,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 23, 2013	MU	M	125,000	$14.35	$1,793,750	1,939,020 Direct	+6.89%	Acquired	6761.7% (price as of 2026-08-21)
Sept. 23, 2013	MU	M	125,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 23, 2013	MU	F	111,501	$17.23	$1,921,162	1,827,519 Direct	-5.75%	Disposed	5614.7% (price as of 2026-08-21)
Sept. 23, 2013	MU	M	125,000	$14.35	$1,793,750	1,939,020 Direct	+6.89%	Acquired	6761.7% (price as of 2026-08-21)
Oct. 16, 2012	MU	J	755,000	$5.72	$4,318,600	755,000 Direct	—	Acquired	17114.2% (price as of 2026-08-21)

Showing latest 100 of 197 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 8, 2024	AMD	RSU Award	Common Stock (1,547)	—	—	1,547	Acquired
March 11, 2024	COR	Restricted Stock Units	Common Stock (1,593)	—	—	1,593	Disposed
May 18, 2023	AMD	RSU Award	Common Stock (2,709)	—	—	2,709	Acquired
March 5, 2023	COR	Restricted Stock Units	Common Stock (2,012)	—	—	2,012	Disposed
May 18, 2022	AMD	RSU Award	Common Stock (2,197)	—	—	2,197	Acquired
March 10, 2022	COR	Restricted Stock Units	Common Stock (1,197)	—	—	1,197	Acquired
Feb. 28, 2022	COR	Restricted Stock Units	Common Stock (2,101)	—	—	2,101	Disposed
May 19, 2021	AMD	RSU Award	Common Stock (2,578)	—	—	2,578	Acquired
March 11, 2021	COR	Restricted Stock Units	Common Stock (1,593)	—	—	1,593	Acquired
March 2, 2021	COR	Restricted Stock Units	Common Stock (1,340)	—	—	1,340	Disposed
May 7, 2020	AMD	RSU Award	Common Stock (3,994)	—	—	3,994	Acquired
March 5, 2020	COR	Restricted Stock Units	Common Stock (2,012)	—	—	2,012	Acquired
March 3, 2020	COR	Restricted Stock Units	Common Stock (1,360)	—	—	1,360	Disposed
May 15, 2019	AMD	RSU Award	Common Stock (6,661)	—	—	6,661	Acquired
March 4, 2019	COR	Restricted Stock Units	Common Stock (1,417)	—	March 3, 2026	1,417	Disposed
Feb. 28, 2019	COR	Restricted Stock Units	Common Stock (2,101)	—	—	2,101	Acquired
May 2, 2018	AMD	RSU Award	Common Stock (18,084)	—	—	18,084	Acquired
March 1, 2018	COR	Restricted Stock Units	Common Stock (1,340)	—	—	1,340	Acquired
Oct. 30, 2017	AMD	RSU Award	Common Stock (13,944)	—	—	13,944	Acquired
March 2, 2017	COR	Restricted Stock Units	Common Stock (1,360)	—	—	1,360	Acquired
Oct. 19, 2016	MU	Performance Restricted Stock Unit	Common Stock	$0.00	—	113,174	Acquired
Oct. 19, 2016	MU	Non-qualified Stock Option	Common Stock (261,121)	$17.41	Oct. 19, 2024	261,121	Acquired
Oct. 11, 2016	MU	Non-Qualified Stock Option	Common Stock (391,000)	$7.59	Oct. 11, 2016	391,000	Acquired
March 3, 2016	COR	Restricted Stock Units	Common Stock (1,417)	—	—	1,417	Acquired
Oct. 14, 2015	MU	Performance Restricted Stock Unit	Common Stock	$0.00	—	72,793	Acquired
Oct. 14, 2015	MU	Non-qualified Stock Option	Common Stock (155,268)	$18.18	Oct. 14, 2023	155,268	Acquired
Oct. 20, 2014	MU	Performance Restricted Stock Unit	Common Stock	$0.00	—	75,300	Acquired
Oct. 20, 2014	MU	Non-qualified Stock Option	Common Stock (154,100)	$28.76	Oct. 20, 2022	154,100	Acquired
June 12, 2014	MU	Non-Qualified Stock Option	Common Stock (13,300)	$30.99	June 12, 2022	13,300	Acquired
Feb. 12, 2014	MU	Non-Qualified Stock Option	Common Stock (379,000)	$7.46	Oct. 5, 2015	379,000	Acquired
Feb. 12, 2014	MU	Non-Qualified Stock Option	Common Stock (758,000)	$4.48	Oct. 3, 2014	758,000	Acquired
Feb. 12, 2014	MU	Non-Qualified Stock Option	Common Stock (125,000)	$15.91	March 29, 2014	125,000	Acquired
Oct. 16, 2013	MU	Non-Qualified Stock Option	Common Stock (222,000)	$16.92	Oct. 16, 2019	222,000	Acquired
Sept. 23, 2013	MU	Non-Qualified Stock Option	Common Stock (125,000)	$14.35	Sept. 23, 2013	125,000	Acquired
Sept. 23, 2013	MU	Non-Qualified Stock Option	Common Stock (125,000)	$14.35	Sept. 23, 2013	125,000	Acquired
Oct. 16, 2012	MU	Non-Qualified Stock Option	Common Stock (755,000)	$5.72	Oct. 16, 2018	755,000	Acquired
Oct. 11, 2011	MU	Non-Qualified Stock Option	Common Stock (777,000)	$5.16	Oct. 11, 2017	777,000	Acquired
Oct. 11, 2010	MU	Non-Qualified Stock Option	Common Stock (391,000)	$7.59	Oct. 11, 2016	391,000	Acquired
Oct. 5, 2009	MU	Non-Qualified Stock Option	Common Stock (379,000)	$7.46	Oct. 5, 2015	379,000	Acquired
Oct. 3, 2008	MU	Non-Qualified Stock Option	Common Stock (758,000)	$4.48	Oct. 3, 2014	758,000	Acquired
Oct. 1, 2004	MU	Nonqualified Stock Option	Common Stock (130,000)	$12.03	Oct. 1, 2010	130,000	Acquired
March 29, 2004	MU	Nonqualified Stock Option	Common Stock (125,000)	$15.91	March 29, 2014	125,000	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
Nov. 1, 2017	AMD	Common Stock	0	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	$912,692	—	$9,494,442	$1,999,999	$3,000,000	—	$294,519	$15,701,652
2016	$587,596	—	$3,749,988	$1,250,003	—	—	$14,250	$5,601,837
2015	$1,062,308	—	$6,006,740	$2,000,523	$315,000	—	$13,250	$9,397,821

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