Lazarus Krikorian

Insider

First SEC filing: Dec. 12, 2014 · Latest: Dec. 12, 2014

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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

COR selling May 29, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 86 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

86 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 29, 2025	COR	S	8	$289.06	$2,312	17,154 Direct	-0.05%	Disposed	9.2% (price as of 2026-08-20)
May 29, 2025	COR	S	2,992	$288.96	$864,568	17,162 Direct	-14.85%	Disposed	9.2% (price as of 2026-08-20)
March 10, 2025	COR	S	2,000	$260.06	$520,120	20,154 Direct	-9.03%	Disposed	21.4% (price as of 2026-08-20)
Jan. 3, 2025	COR	M	252	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 3, 2025	COR	F	86	$229.20	$19,711	22,154 Direct	-0.39%	Disposed	37.7% (price as of 2026-08-20)
Jan. 3, 2025	COR	M	252	—	—	22,240 Direct	+1.15%	Acquired	(price as of 2026-08-20)
Dec. 18, 2024	COR	M	108	—	—	3,285 Direct	-3.18%	Disposed	(price as of 2026-08-20)
Dec. 18, 2024	COR	F	108	$232.24	$25,082	21,988 Direct	-0.49%	Disposed	35.9% (price as of 2026-08-20)
Dec. 18, 2024	COR	M	108	—	—	22,096 Direct	+0.49%	Acquired	(price as of 2026-08-20)
Dec. 3, 2024	COR	S	1,816	$250.42	$454,763	21,988 Direct	-7.63%	Disposed	26.0% (price as of 2026-08-20)
Nov. 21, 2024	COR	F	792	$225.08	$178,263	23,804 Direct	-3.22%	Disposed	40.2% (price as of 2026-08-20)
Nov. 21, 2024	COR	A	1,831	—	—	24,596 Direct	+8.04%	Acquired	(price as of 2026-08-20)
Nov. 20, 2024	COR	A	3,393	—	—	3,393 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 8, 2024	COR	M	1,229	—	—	2,796 Direct	-30.53%	Disposed	(price as of 2026-08-20)
Nov. 8, 2024	COR	M	1,433	—	—	1,433 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 8, 2024	COR	M	1,061	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 8, 2024	COR	F	322	$248.41	$79,988	22,765 Direct	-1.39%	Disposed	27.1% (price as of 2026-08-20)
Nov. 8, 2024	COR	M	1,229	—	—	23,087 Direct	+5.62%	Acquired	(price as of 2026-08-20)
Nov. 8, 2024	COR	F	375	$248.41	$93,154	21,858 Direct	-1.69%	Disposed	27.1% (price as of 2026-08-20)
Nov. 8, 2024	COR	M	1,433	—	—	22,233 Direct	+6.89%	Acquired	(price as of 2026-08-20)
Nov. 8, 2024	COR	F	303	$248.41	$75,268	20,800 Direct	-1.44%	Disposed	27.1% (price as of 2026-08-20)
Nov. 8, 2024	COR	M	1,061	—	—	21,103 Direct	+5.29%	Acquired	(price as of 2026-08-20)
Jan. 3, 2024	COR	M	252	—	—	252 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Jan. 3, 2024	COR	F	86	$210.33	$18,088	20,042 Direct	-0.43%	Disposed	50.1% (price as of 2026-08-20)
Jan. 3, 2024	COR	M	252	—	—	20,128 Direct	+1.27%	Acquired	(price as of 2026-08-20)
Dec. 13, 2023	COR	M	168	—	—	4,025 Direct	-4.01%	Disposed	(price as of 2026-08-20)
Dec. 13, 2023	COR	F	168	$203.72	$34,225	19,876 Direct	-0.84%	Disposed	54.9% (price as of 2026-08-20)
Dec. 13, 2023	COR	M	168	—	—	20,044 Direct	+0.85%	Acquired	(price as of 2026-08-20)
Dec. 1, 2023	COR	S	2,000	$203.60	$407,200	19,876 Direct	-9.14%	Disposed	55.0% (price as of 2026-08-20)
Nov. 10, 2023	COR	M	1,061	—	—	1,061 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2023	COR	M	1,406	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2023	COR	F	462	$197.57	$91,277	21,876 Direct	-2.07%	Disposed	59.7% (price as of 2026-08-20)
Nov. 10, 2023	COR	M	1,061	—	—	22,338 Direct	+4.99%	Acquired	(price as of 2026-08-20)
Nov. 10, 2023	COR	F	612	$197.57	$120,913	21,277 Direct	-2.80%	Disposed	59.7% (price as of 2026-08-20)
Nov. 10, 2023	COR	M	1,406	—	—	21,889 Direct	+6.86%	Acquired	(price as of 2026-08-20)
Nov. 9, 2023	COR	M	1,261	—	—	2,866 Direct	-30.55%	Disposed	(price as of 2026-08-20)
Nov. 9, 2023	COR	F	519	$196.82	$102,150	20,483 Direct	-2.47%	Disposed	60.4% (price as of 2026-08-20)
Nov. 9, 2023	COR	M	1,261	—	—	21,002 Direct	+6.39%	Acquired	(price as of 2026-08-20)
Nov. 9, 2023	COR	F	758	$179.97	$136,417	19,741 Direct	-3.70%	Disposed	75.4% (price as of 2026-08-20)
Nov. 9, 2023	COR	A	1,767	—	—	20,499 Direct	+9.43%	Acquired	(price as of 2026-08-20)
Nov. 8, 2023	COR	A	4,193	—	—	4,193 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 7, 2023	COR	S	5,711	$155.82	$889,888	18,732 Direct	-23.36%	Disposed	102.6% (price as of 2026-08-20)
Feb. 3, 2023	COR	M	5,835	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2023	COR	F	1,683	$156.73	$263,777	24,325 Direct	-6.47%	Disposed	101.4% (price as of 2026-08-20)
Feb. 3, 2023	COR	M	5,835	—	—	26,008 Direct	+28.92%	Acquired	(price as of 2026-08-20)
Jan. 3, 2023	COR	M	251	—	—	504 Direct	+99.21%	Acquired	(price as of 2026-08-20)
Jan. 3, 2023	COR	F	85	$164.29	$13,965	20,173 Direct	-0.42%	Disposed	92.1% (price as of 2026-08-20)
Jan. 3, 2023	COR	M	251	—	—	20,258 Direct	+1.25%	Acquired	(price as of 2026-08-20)
Dec. 21, 2022	COR	M	2,218	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 21, 2022	COR	S	2,218	$169.24	$375,374	20,007 Direct	-9.98%	Disposed	86.5% (price as of 2026-08-20)
Dec. 21, 2022	COR	M	2,218	$89.58	$198,688	22,225 Direct	+11.09%	Acquired	252.3% (price as of 2026-08-20)
Dec. 12, 2022	COR	M	172	—	—	4,127 Direct	-4.00%	Disposed	(price as of 2026-08-20)
Dec. 12, 2022	COR	F	172	$167.20	$28,758	20,007 Direct	-0.85%	Disposed	88.8% (price as of 2026-08-20)
Dec. 12, 2022	COR	M	172	—	—	20,179 Direct	+0.86%	Acquired	(price as of 2026-08-20)
Nov. 13, 2022	COR	M	5,390	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 13, 2022	COR	F	2,344	$153.01	$358,655	20,007 Direct	-10.49%	Disposed	106.3% (price as of 2026-08-20)
Nov. 13, 2022	COR	M	5,390	—	—	22,351 Direct	+31.78%	Acquired	(price as of 2026-08-20)
Nov. 10, 2022	COR	M	1,061	—	—	2,122 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Nov. 10, 2022	COR	M	1,405	—	—	1,406 Direct	-49.98%	Disposed	(price as of 2026-08-20)
Nov. 10, 2022	COR	F	462	$155.00	$71,610	16,961 Direct	-2.65%	Disposed	103.6% (price as of 2026-08-20)
Nov. 10, 2022	COR	M	1,061	—	—	17,423 Direct	+6.48%	Acquired	(price as of 2026-08-20)
Nov. 10, 2022	COR	F	611	$155.00	$94,705	16,362 Direct	-3.60%	Disposed	103.6% (price as of 2026-08-20)
Nov. 10, 2022	COR	M	1,405	—	—	16,973 Direct	+9.02%	Acquired	(price as of 2026-08-20)
Nov. 9, 2022	COR	A	4,299	—	—	4,299 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 9, 2022	COR	F	1,147	$135.33	$155,224	15,568 Direct	-6.86%	Disposed	133.2% (price as of 2026-08-20)
Nov. 9, 2022	COR	A	2,636	—	—	16,715 Direct	+18.72%	Acquired	(price as of 2026-08-20)
May 11, 2022	COR	S	4,895	$160.00	$783,200	14,079 Direct	-25.80%	Disposed	97.3% (price as of 2026-08-20)
May 10, 2022	COR	S	6,654	$158.61	$1,055,391	19,079 Direct	-25.86%	Disposed	99.0% (price as of 2026-08-20)
May 10, 2022	COR	S	105	$160.00	$16,800	18,974 Direct	-0.55%	Disposed	97.3% (price as of 2026-08-20)
May 10, 2022	COR	M	6,654	—	—	2,218 Direct	-75.00%	Disposed	(price as of 2026-08-20)
May 10, 2022	COR	M	6,654	$89.58	$596,065	25,733 Direct	+34.88%	Acquired	252.3% (price as of 2026-08-20)
Feb. 3, 2022	COR	M	11,653	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2022	COR	S	11,653	$138.14	$1,609,745	19,079 Direct	-37.92%	Disposed	128.5% (price as of 2026-08-20)
Feb. 3, 2022	COR	M	11,653	$77.53	$903,457	30,732 Direct	+61.08%	Acquired	307.1% (price as of 2026-08-20)
Jan. 3, 2022	COR	A	755	—	—	755 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 14, 2021	COR	M	2,456	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 14, 2021	COR	F	1,068	$125.34	$133,863	19,079 Direct	-5.30%	Disposed	151.8% (price as of 2026-08-20)
Nov. 14, 2021	COR	M	2,456	—	—	20,147 Direct	+13.88%	Acquired	(price as of 2026-08-20)
Nov. 12, 2021	COR	F	1,602	$119.45	$191,359	17,691 Direct	-8.30%	Disposed	164.2% (price as of 2026-08-20)
Nov. 12, 2021	COR	A	3,684	—	—	19,293 Direct	+23.60%	Acquired	(price as of 2026-08-20)
Nov. 10, 2021	COR	A	3,183	—	—	3,183 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 10, 2021	COR	M	1,405	—	—	2,811 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Nov. 10, 2021	COR	F	611	$125.68	$76,790	15,609 Direct	-3.77%	Disposed	151.1% (price as of 2026-08-20)
Nov. 10, 2021	COR	M	1,405	—	—	16,220 Direct	+9.48%	Acquired	(price as of 2026-08-20)
Sept. 2, 2021	COR	M	17,673	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 2, 2021	COR	S	17,673	$124.51	$2,200,465	14,815 Direct	-54.40%	Disposed	153.5% (price as of 2026-08-20)
Sept. 2, 2021	COR	M	17,673	$98.24	$1,736,196	32,488 Direct	+119.29%	Acquired	221.3% (price as of 2026-08-20)
March 8, 2021	COR	M	16,236	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2021	COR	S	16,236	$108.48	$1,761,281	14,815 Direct	-52.29%	Disposed	190.9% (price as of 2026-08-20)
March 8, 2021	COR	M	16,236	$75.61	$1,227,604	31,051 Direct	+109.59%	Acquired	317.4% (price as of 2026-08-20)
Nov. 13, 2020	COR	M	4,966	—	—	16,230 Direct	+44.09%	Acquired	(price as of 2026-08-20)
Nov. 13, 2020	COR	F	1,415	$108.12	$152,990	14,815 Direct	-8.72%	Disposed	191.9% (price as of 2026-08-20)
Nov. 13, 2020	COR	M	4,966	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2020	COR	A	4,216	—	—	4,216 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2020	COR	M	19,386	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 8, 2020	COR	S	19,386	$101.88	$1,975,046	11,264 Direct	-63.25%	Disposed	209.8% (price as of 2026-08-20)
June 8, 2020	COR	M	19,386	$88.71	$1,719,732	30,650 Direct	+172.11%	Acquired	255.8% (price as of 2026-08-20)
Feb. 3, 2020	COR	A	5,835	—	—	5,835 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 13, 2019	COR	A	5,390	—	—	5,390 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 8, 2019	COR	M	4,365	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)

Showing latest 100 of 138 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
Jan. 3, 2025	COR	Restricted Stock Units	Common Stock (252)	—	—	252	Disposed
Dec. 18, 2024	COR	Restricted Stock Units	Common Stock (108)	—	—	108	Disposed
Nov. 20, 2024	COR	Restricted Stock Units	Common Stock (3,393)	—	—	3,393	Acquired
Nov. 8, 2024	COR	Restricted Stock Units	Common Stock (1,229)	—	—	1,229	Disposed
Nov. 8, 2024	COR	Restricted Stock Units	Common Stock (1,433)	—	—	1,433	Disposed
Nov. 8, 2024	COR	Restricted Stock Units	Common Stock (1,061)	—	—	1,061	Disposed
Jan. 3, 2024	COR	Restricted Stock Units	Common Stock (252)	—	—	252	Disposed
Dec. 13, 2023	COR	Restricted Stock Units	Common Stock (168)	—	—	168	Disposed
Nov. 10, 2023	COR	Restricted Stock Units	Common Stock (1,061)	—	—	1,061	Disposed
Nov. 10, 2023	COR	Restricted Stock Units	Common Stock (1,406)	—	—	1,406	Disposed
Nov. 9, 2023	COR	Restricted Stock Units	Common Stock (1,261)	—	—	1,261	Disposed
Nov. 8, 2023	COR	Restricted Stock Units	Common Stock (4,193)	—	—	4,193	Acquired
Feb. 3, 2023	COR	Restricted Stock Units	Common Stock (5,835)	—	—	5,835	Disposed
Jan. 3, 2023	COR	Restricted Stock Units	Common Stock (251)	—	—	251	Acquired
Dec. 21, 2022	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (2,218)	$89.58	Nov. 14, 2025	2,218	Disposed
Dec. 12, 2022	COR	Restricted Stock Units	Common Stock (172)	—	—	172	Disposed
Nov. 13, 2022	COR	Restricted Stock Units	Common Stock (5,390)	—	—	5,390	Disposed
Nov. 10, 2022	COR	Restricted Stock Units	Common Stock (1,061)	—	—	1,061	Disposed
Nov. 10, 2022	COR	Restricted Stock Units	Common Stock (1,405)	—	—	1,405	Disposed
Nov. 9, 2022	COR	Restricted Stock Units	Common Stock (4,299)	—	—	4,299	Acquired
May 10, 2022	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (6,654)	$89.58	Nov. 14, 2025	6,654	Disposed
Feb. 3, 2022	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (11,653)	$77.53	Nov. 15, 2024	11,653	Disposed
Jan. 3, 2022	COR	Restricted Stock Units	Common Stock (755)	—	—	755	Acquired
Nov. 14, 2021	COR	Restricted Stock Units	Common Stock (2,456)	—	—	2,456	Disposed
Nov. 10, 2021	COR	Restricted Stock Units	Common Stock (3,183)	—	—	3,183	Acquired
Nov. 10, 2021	COR	Restricted Stock Units	Common Stock (1,405)	—	—	1,405	Disposed
Sept. 2, 2021	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (17,673)	$98.24	Nov. 11, 2022	17,673	Disposed
March 8, 2021	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (16,236)	$75.61	Nov. 9, 2023	16,236	Disposed
Nov. 13, 2020	COR	Restricted Stock Units	Common Stock (4,966)	—	—	4,966	Disposed
Nov. 10, 2020	COR	Restricted Stock Units	Common Stock (4,216)	—	—	4,216	Acquired
June 8, 2020	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (19,386)	$88.71	Nov. 12, 2021	19,386	Disposed
Feb. 3, 2020	COR	Restricted Stock Units	Common Stock (5,835)	$0.00	—	5,835	Acquired
Nov. 13, 2019	COR	Restricted Stock Units	Common Stock (5,390)	—	Nov. 13, 2026	5,390	Acquired
Nov. 8, 2019	COR	Restricted Stock Units	Common Stock (4,365)	—	Nov. 9, 2023	4,365	Disposed
Nov. 28, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (20,276)	$68.49	Nov. 13, 2020	20,276	Disposed
Nov. 14, 2018	COR	Restricted Stock Units	Common Stock (2,456)	—	—	2,456	Acquired
Nov. 14, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (8,872)	$89.58	Nov. 14, 2025	8,872	Acquired
Nov. 9, 2018	COR	Restricted Stock Units	Common Stock (1,692)	—	Nov. 11, 2022	1,692	Disposed
Nov. 30, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (16,427)	$40.21	Nov. 14, 2019	16,427	Disposed
Nov. 15, 2017	COR	Restricted Stock Units	Common Stock (4,966)	—	—	4,966	Acquired
Nov. 15, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (11,653)	$77.53	Nov. 15, 2024	11,653	Acquired
Nov. 10, 2017	COR	Restricted Stock Units	Common Stock (1,677)	—	—	1,677	Disposed
March 3, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (9,958)	$37.37	March 1, 2019	9,958	Disposed
Nov. 9, 2016	COR	Restricted Stock Units	Common Stock (4,365)	—	Nov. 9, 2023	4,365	Acquired
Nov. 9, 2016	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (16,236)	$75.61	Nov. 9, 2023	16,236	Acquired
Nov. 11, 2015	COR	Restricted Stock Units	Common Stock (1,692)	—	Nov. 11, 2022	1,692	Acquired
Nov. 11, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (17,673)	$98.24	Nov. 11, 2022	17,673	Acquired
May 8, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (16,427)	$40.21	Nov. 14, 2019	16,427	Disposed
May 8, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,375)	$36.37	Feb. 16, 2018	5,375	Disposed
Feb. 10, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (8,000)	$37.37	March 1, 2019	8,000	Disposed
Feb. 10, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (10,000)	$36.37	Feb. 16, 2018	10,000	Disposed

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

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 12, 2014	COR	Common Stock	8,412	Direct
Dec. 12, 2014	COR	Non-qualified Stock Option (Right to Buy)→ Common Stock (15,375)	15,375	Direct
Dec. 12, 2014	COR	Non-qualified Stock Option (Right to Buy)→ Common Stock (17,958)	17,958	Direct
Dec. 12, 2014	COR	Non-qualified Stock Option (Right to Buy)→ Common Stock (32,854)	32,854	Direct
Dec. 12, 2014	COR	Non-qualified Stock Option (Right to Buy)→ Common Stock (20,276)	20,276	Direct
Dec. 12, 2014	COR	Non-qualified Stock Option (Right to Buy)→ Common Stock (19,386)	19,386	Direct
Dec. 12, 2014	COR	Restricted Stock Units→ Common Stock (1,677)	1,677	Direct