Tim G. Guttman

Insider

First SEC filing: Feb. 17, 2012 · Latest: Feb. 17, 2012

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

COR selling June 1, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 80 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

80 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 9, 2018	COR	M	4,072	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 9, 2018	COR	F	1,771	$88.86	$157,371	53,505 Direct	-3.20%	Disposed	255.2% (price as of 2026-08-20)
Nov. 9, 2018	COR	M	4,072	$88.86	$361,838	55,276 Direct	+7.95%	Acquired	255.2% (price as of 2026-08-20)
June 1, 2018	COR	M	5,800	—	—	11,367 Direct	-33.79%	Disposed	(price as of 2026-08-20)
June 1, 2018	COR	M	5,283	—	—	17,167 Direct	-23.53%	Disposed	(price as of 2026-08-20)
June 1, 2018	COR	M	517	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2018	COR	S	11,600	$80.83	$937,628	50,672 Direct	-18.63%	Disposed	290.5% (price as of 2026-08-20)
June 1, 2018	COR	M	5,800	$40.21	$233,218	62,272 Direct	+10.27%	Acquired	684.9% (price as of 2026-08-20)
June 1, 2018	COR	M	5,283	$40.21	$212,429	56,472 Direct	+10.32%	Acquired	684.9% (price as of 2026-08-20)
June 1, 2018	COR	M	517	$37.37	$19,320	51,189 Direct	+1.02%	Acquired	744.6% (price as of 2026-08-20)
May 1, 2018	COR	M	5,800	—	—	22,450 Direct	-20.53%	Disposed	(price as of 2026-08-20)
May 1, 2018	COR	M	5,800	—	—	517 Direct	-91.82%	Disposed	(price as of 2026-08-20)
May 1, 2018	COR	S	11,600	$87.24	$1,011,984	50,672 Direct	-18.63%	Disposed	261.8% (price as of 2026-08-20)
May 1, 2018	COR	M	5,800	$40.21	$233,218	62,272 Direct	+10.27%	Acquired	684.9% (price as of 2026-08-20)
May 1, 2018	COR	M	5,800	$37.37	$216,746	56,472 Direct	+11.45%	Acquired	744.6% (price as of 2026-08-20)
April 5, 2018	COR	M	5,800	—	—	28,250 Direct	-17.03%	Disposed	(price as of 2026-08-20)
April 5, 2018	COR	M	5,800	—	—	6,317 Direct	-47.87%	Disposed	(price as of 2026-08-20)
April 5, 2018	COR	S	5,800	$85.60	$496,480	50,672 Direct	-10.27%	Disposed	268.7% (price as of 2026-08-20)
April 5, 2018	COR	M	5,800	$40.21	$233,218	56,472 Direct	+11.45%	Acquired	684.9% (price as of 2026-08-20)
April 5, 2018	COR	S	5,800	$85.60	$496,480	50,672 Direct	-10.27%	Disposed	268.7% (price as of 2026-08-20)
April 5, 2018	COR	M	5,800	$37.37	$216,746	56,472 Direct	+11.45%	Acquired	744.6% (price as of 2026-08-20)
March 5, 2018	COR	M	5,800	—	—	34,050 Direct	-14.55%	Disposed	(price as of 2026-08-20)
March 5, 2018	COR	M	5,800	—	—	12,117 Direct	-32.37%	Disposed	(price as of 2026-08-20)
March 5, 2018	COR	S	5,800	$93.01	$539,458	50,672 Direct	-10.27%	Disposed	239.3% (price as of 2026-08-20)
March 5, 2018	COR	M	5,800	$40.21	$233,218	56,472 Direct	+11.45%	Acquired	684.9% (price as of 2026-08-20)
March 5, 2018	COR	S	5,800	$93.01	$539,458	50,672 Direct	-10.27%	Disposed	239.3% (price as of 2026-08-20)
March 5, 2018	COR	M	5,800	$37.37	$216,746	56,472 Direct	+11.45%	Acquired	744.6% (price as of 2026-08-20)
Feb. 5, 2018	COR	M	5,800	—	—	39,850 Direct	-12.71%	Disposed	(price as of 2026-08-20)
Feb. 5, 2018	COR	M	5,800	—	—	17,917 Direct	-24.46%	Disposed	(price as of 2026-08-20)
Feb. 5, 2018	COR	S	5,800	$95.43	$553,494	50,672 Direct	-10.27%	Disposed	230.7% (price as of 2026-08-20)
Feb. 5, 2018	COR	M	5,800	$40.21	$233,218	56,472 Direct	+11.45%	Acquired	684.9% (price as of 2026-08-20)
Feb. 5, 2018	COR	S	5,800	$95.43	$553,494	50,672 Direct	-10.27%	Disposed	230.7% (price as of 2026-08-20)
Feb. 5, 2018	COR	M	5,800	$37.37	$216,746	56,472 Direct	+11.45%	Acquired	744.6% (price as of 2026-08-20)
Jan. 3, 2018	COR	M	5,800	—	—	45,650 Direct	-11.27%	Disposed	(price as of 2026-08-20)
Jan. 3, 2018	COR	M	5,800	—	—	23,717 Direct	-19.65%	Disposed	(price as of 2026-08-20)
Jan. 3, 2018	COR	S	5,800	$93.40	$541,720	50,636 Direct	-10.28%	Disposed	237.9% (price as of 2026-08-20)
Jan. 3, 2018	COR	M	5,800	$40.21	$233,218	56,436 Direct	+11.45%	Acquired	684.9% (price as of 2026-08-20)
Jan. 3, 2018	COR	S	5,800	$93.40	$541,720	50,636 Direct	-10.28%	Disposed	237.9% (price as of 2026-08-20)
Jan. 3, 2018	COR	M	5,800	$37.37	$216,746	56,436 Direct	+11.45%	Acquired	744.6% (price as of 2026-08-20)
Dec. 4, 2017	COR	M	5,800	—	—	51,450 Direct	-10.13%	Disposed	(price as of 2026-08-20)
Dec. 4, 2017	COR	M	5,800	—	—	29,517 Direct	-16.42%	Disposed	(price as of 2026-08-20)
Dec. 4, 2017	COR	S	5,800	$85.73	$497,234	50,636 Direct	-10.28%	Disposed	268.2% (price as of 2026-08-20)
Dec. 4, 2017	COR	M	5,800	$40.21	$233,218	56,436 Direct	+11.45%	Acquired	684.9% (price as of 2026-08-20)
Dec. 4, 2017	COR	S	5,800	$85.73	$497,234	50,636 Direct	-10.28%	Disposed	268.2% (price as of 2026-08-20)
Dec. 4, 2017	COR	M	5,800	$37.37	$216,746	56,436 Direct	+11.45%	Acquired	744.6% (price as of 2026-08-20)
Nov. 17, 2017	COR	F	4,992	$82.75	$413,088	50,636 Direct	-8.97%	Disposed	281.4% (price as of 2026-08-20)
Nov. 17, 2017	COR	A	10,829	—	—	55,628 Direct	+24.17%	Acquired	(price as of 2026-08-20)
Nov. 15, 2017	COR	A	6,449	—	—	6,449 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2017	COR	A	52,966	—	—	52,966 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 10, 2017	COR	M	4,509	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2017	COR	F	2,079	$75.00	$155,925	44,799 Direct	-4.43%	Disposed	320.8% (price as of 2026-08-20)
Nov. 10, 2017	COR	M	4,509	—	—	46,878 Direct	+10.64%	Acquired	(price as of 2026-08-20)
Nov. 3, 2017	COR	M	5,800	—	—	57,250 Direct	-9.20%	Disposed	(price as of 2026-08-20)
Nov. 3, 2017	COR	M	5,800	—	—	35,317 Direct	-14.11%	Disposed	(price as of 2026-08-20)
Nov. 3, 2017	COR	S	5,800	$75.00	$435,000	42,369 Direct	-12.04%	Disposed	320.8% (price as of 2026-08-20)
Nov. 3, 2017	COR	M	5,800	$40.21	$233,218	40,326 Direct	+16.80%	Acquired	684.9% (price as of 2026-08-20)
Nov. 3, 2017	COR	S	5,800	$73.55	$426,590	34,526 Direct	-14.38%	Disposed	329.1% (price as of 2026-08-20)
Nov. 3, 2017	COR	M	5,800	$37.37	$216,746	40,326 Direct	+16.80%	Acquired	744.6% (price as of 2026-08-20)
Oct. 2, 2017	COR	M	5,800	—	—	63,050 Direct	-8.42%	Disposed	(price as of 2026-08-20)
Oct. 2, 2017	COR	M	5,800	—	—	41,117 Direct	-12.36%	Disposed	(price as of 2026-08-20)
Oct. 2, 2017	COR	M	5,800	$40.21	$233,218	46,126 Direct	+14.38%	Acquired	684.9% (price as of 2026-08-20)
Oct. 2, 2017	COR	M	5,800	$37.37	$216,746	40,326 Direct	+16.80%	Acquired	744.6% (price as of 2026-08-20)
Oct. 2, 2017	COR	S	11,600	$82.78	$960,248	34,526 Direct	-25.15%	Disposed	281.3% (price as of 2026-08-20)
Sept. 20, 2017	COR	M	5,800	—	—	68,850 Direct	-7.77%	Disposed	(price as of 2026-08-20)
Sept. 20, 2017	COR	M	5,800	—	—	46,917 Direct	-11.00%	Disposed	(price as of 2026-08-20)
Sept. 20, 2017	COR	S	11,600	$79.47	$921,852	34,261 Direct	-25.29%	Disposed	297.1% (price as of 2026-08-20)
Sept. 20, 2017	COR	M	5,800	$40.21	$233,218	45,861 Direct	+14.48%	Acquired	684.9% (price as of 2026-08-20)
Sept. 20, 2017	COR	M	5,800	$37.37	$216,746	40,061 Direct	+16.93%	Acquired	744.6% (price as of 2026-08-20)
Nov. 11, 2016	COR	A	14,893	—	—	34,261 Direct	+76.89%	Acquired	(price as of 2026-08-20)
Nov. 9, 2016	COR	A	6,613	—	—	6,613 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 9, 2016	COR	A	73,801	—	—	73,801 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 13, 2015	COR	F	8,255	$94.99	$784,142	19,123 Direct	-30.15%	Disposed	232.3% (price as of 2026-08-20)
Nov. 13, 2015	COR	A	17,906	—	—	27,378 Direct	+189.04%	Acquired	(price as of 2026-08-20)
Nov. 11, 2015	COR	A	4,072	—	—	4,072 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 11, 2015	COR	A	45,793	$98.24	$4,498,704	45,793 Direct	—	Acquired	221.3% (price as of 2026-08-20)
May 11, 2015	COR	S	16,022	$115.25	$1,846,536	9,472 Direct	-62.85%	Disposed	173.9% (price as of 2026-08-20)
Feb. 27, 2015	COR	F	2,175	$102.76	$223,503	25,494 Direct	-7.86%	Disposed	207.1% (price as of 2026-08-20)
Feb. 18, 2015	COR	M	13,125	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 18, 2015	COR	M	26,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 18, 2015	COR	M	26,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 18, 2015	COR	S	65,625	$99.42	$6,524,438	27,669 Direct	-70.34%	Disposed	217.5% (price as of 2026-08-20)
Feb. 18, 2015	COR	M	13,125	$17.77	$233,231	93,294 Direct	+16.37%	Acquired	1676.1% (price as of 2026-08-20)
Feb. 18, 2015	COR	M	26,250	$36.37	$954,712	80,169 Direct	+48.68%	Acquired	767.8% (price as of 2026-08-20)
Feb. 18, 2015	COR	M	26,250	$28.00	$735,000	53,919 Direct	+94.87%	Acquired	1027.2% (price as of 2026-08-20)
Nov. 12, 2014	COR	A	4,509	—	—	4,509 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 12, 2014	COR	A	56,140	$88.71	$4,980,179	56,140 Direct	—	Acquired	255.8% (price as of 2026-08-20)
May 27, 2014	COR	M	6,375	$21.46	$136,808	30,649 Direct	+26.26%	Acquired	1370.7% (price as of 2026-08-20)
May 27, 2014	COR	M	6,375	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 27, 2014	COR	F	3,309	$72.04	$238,380	27,340 Direct	-10.80%	Disposed	338.1% (price as of 2026-08-20)
Feb. 14, 2014	COR	F	932	$68.00	$63,376	24,274 Direct	-3.70%	Disposed	364.1% (price as of 2026-08-20)
Nov. 13, 2013	COR	A	60,606	$68.49	$4,150,905	60,606 Direct	—	Acquired	360.8% (price as of 2026-08-20)
Nov. 13, 2013	COR	A	4,964	—	—	25,206 Direct	+24.52%	Acquired	(price as of 2026-08-20)
March 4, 2013	COR	F	911	$47.98	$43,710	20,242 Direct	-4.31%	Disposed	557.8% (price as of 2026-08-20)
Nov. 14, 2012	COR	A	74,650	$40.21	$3,001,676	74,650 Direct	—	Acquired	684.9% (price as of 2026-08-20)
Nov. 14, 2012	COR	A	5,969	—	—	21,153 Direct	+39.31%	Acquired	(price as of 2026-08-20)
Feb. 29, 2012	COR	A	52,716	$37.37	$1,969,997	52,716 Direct	—	Acquired	744.6% (price as of 2026-08-20)
Feb. 29, 2012	COR	A	4,823	—	—	15,184 Direct	+46.55%	Acquired	(price as of 2026-08-20)
Feb. 20, 2012	COR	F	946	$36.68	$34,699	10,361 Direct	-8.37%	Disposed	760.5% (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
Nov. 9, 2018	COR	Restricted Stock Units	Common Stock (4,072)	—	Nov. 11, 2022	4,072	Disposed
June 1, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
June 1, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,283)	$40.21	Nov. 14, 2019	5,283	Disposed
June 1, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (517)	$37.37	March 1, 2019	517	Disposed
May 1, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
May 1, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
April 5, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
April 5, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
March 5, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
March 5, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Feb. 5, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
Feb. 5, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Jan. 3, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
Jan. 3, 2018	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Dec. 4, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
Dec. 4, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Nov. 15, 2017	COR	Restricted Stock Units	Common Stock (6,449)	—	—	6,449	Acquired
Nov. 15, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (52,966)	$77.53	Nov. 15, 2024	52,966	Acquired
Nov. 10, 2017	COR	Restricted Stock Units	Common Stock (4,509)	—	Nov. 12, 2021	4,509	Disposed
Nov. 3, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
Nov. 3, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Oct. 2, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
Oct. 2, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Sept. 20, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$40.21	Nov. 14, 2019	5,800	Disposed
Sept. 20, 2017	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (5,800)	$37.37	March 1, 2019	5,800	Disposed
Nov. 9, 2016	COR	Restricted Stock Units	Common Stock (6,613)	—	Nov. 9, 2023	6,613	Acquired
Nov. 9, 2016	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (73,801)	$75.61	Nov. 9, 2023	73,801	Acquired
Nov. 11, 2015	COR	Restricted Stock Units	Common Stock (4,072)	—	Nov. 11, 2022	4,072	Acquired
Nov. 11, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (45,793)	$98.24	Nov. 11, 2022	45,793	Acquired
Feb. 18, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (13,125)	$17.77	Feb. 19, 2016	13,125	Disposed
Feb. 18, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (26,250)	$36.37	Feb. 16, 2018	26,250	Disposed
Feb. 18, 2015	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (26,250)	$28.00	March 3, 2017	26,250	Disposed
Nov. 12, 2014	COR	Restricted Stock Units	Common Stock (4,509)	—	Nov. 12, 2021	4,509	Acquired
Nov. 12, 2014	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (56,140)	$88.71	Nov. 12, 2021	56,140	Acquired
May 27, 2014	COR	Non-qualified Stock Option (Right to Buy)	Common Stock (6,375)	$21.46	Feb. 27, 2015	6,375	Disposed
Nov. 13, 2013	COR	Non-Qualified Stock Option (right to buy)	Common Stock (60,606)	$68.49	Nov. 13, 2020	60,606	Acquired
Nov. 14, 2012	COR	Non-Qualified Stock Option (right to buy)	Common Stock (74,650)	$40.21	Nov. 14, 2019	74,650	Acquired
Feb. 29, 2012	COR	Non-Qualified Stock Option (right to buy)	Common Stock (52,716)	$37.37	March 1, 2019	52,716	Acquired

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 17, 2012	COR	Common Stock	11,307	Direct
Feb. 17, 2012	COR	Non-Qualified Stock Option (right to buy)→ Common Stock (6,375)	6,375	Direct
Feb. 17, 2012	COR	Non-Qualified Stock Option (right to buy)→ Common Stock (13,125)	13,125	Direct
Feb. 17, 2012	COR	Non-Qualified Stock Option (right to buy)→ Common Stock (26,250)	26,250	Direct
Feb. 17, 2012	COR	Non-Qualified Stock Option (right to buy)→ Common Stock (26,250)	26,250	Direct

Compensation (DEF 14A)

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

COR

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$710,000	—	—	—	—	—	$657,549	$1,367,549
2018	$710,000	—	$1,750,007	$749,999	$782,807	—	$92,886	$4,085,699
2017	$710,000	—	$1,500,027	$1,000,004	—	—	—	$3,842,986

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