Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 79 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

79 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 8, 2020 COR S 3,528 $97.99 $345,709 18,376 Direct -16.11% Disposed 215.4% (price as of 2026-10-02)
Jan. 12, 2018 701221 S 10b5-1 400 $212.96 $85,184 14,936 Direct -2.61% Disposed
July 24, 2017 701221 S 10b5-1 600 $174.14 $104,484 14,877 Direct -3.88% Disposed
April 24, 2017 701221 S 10b5-1 600 $156.92 $94,152 15,198 Direct -3.80% Disposed
Jan. 24, 2017 701221 S 10b5-1 600 $145.21 $87,126 15,496 Direct -3.73% Disposed
Nov. 9, 2016 701221 S 10b5-1 600 $132.00 $79,200 15,763 Direct -3.67% Disposed
Dec. 10, 2014 701221 S 10b5-1 437 $104.16 $45,518 14,000 Direct -3.03% Disposed
Sept. 10, 2014 701221 S 10b5-1 475 $95.98 $45,590 14,000 Direct -3.28% Disposed
June 13, 2014 701221 S 10b5-1 65 $90.45 $5,879 14,000 Direct -0.46% Disposed
June 10, 2014 701221 S 10b5-1 501 $89.82 $45,000 14,065 Direct -3.44% Disposed
Feb. 24, 2014 COR S 7,681 $68.77 $528,222 2,460 Direct -75.74% Disposed 349.4% (price as of 2026-10-02)
Dec. 10, 2013 701221 S 10b5-1 514 $86.63 $44,528 0 Direct -100.00% Disposed
Nov. 25, 2013 COR S 824 $70.50 $58,092 10,141 Direct -7.51% Disposed 338.4% (price as of 2026-10-02)
Sept. 13, 2013 COR S 872 $60.42 $52,686 10,965 Direct -7.37% Disposed 411.5% (price as of 2026-10-02)
Sept. 10, 2013 701221 S 10b5-1 571 $80.93 $46,211 0 Direct -100.00% Disposed
June 17, 2013 COR S 36,149 $55.16 $1,993,979 11,837 Direct -75.33% Disposed 460.3% (price as of 2026-10-02)
June 10, 2013 701221 S 10b5-1 662 $68.70 $45,479 0 Direct -100.00% Disposed
May 30, 2013 COR S 1,008 $54.53 $54,966 11,837 Direct -7.85% Disposed 466.8% (price as of 2026-10-02)
April 30, 2013 COR S 4,164 $54.11 $225,314 12,845 Direct -24.48% Disposed 471.2% (price as of 2026-10-02)
March 8, 2013 701221 S 769 $59.52 $45,771 0 Direct -100.00% Disposed
March 5, 2013 701221 S 1,837 $58.60 $107,648 769 Direct -70.49% Disposed

Showing latest 100 of 266 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 5, 2023 COR Restricted Stock Units Common Stock (2,300) · · 2,300 Disposed
March 10, 2022 COR Restricted Stock Units Common Stock (1,368) · · 1,368 Acquired
Feb. 28, 2022 COR Restricted Stock Units Common Stock (2,401) · · 2,401 Disposed
March 11, 2021 COR Restricted Stock Units Common Stock (1,821) · · 1,821 Acquired
March 1, 2021 COR Restricted Stock Units Common Stock (1,608) · · 1,608 Disposed
June 8, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,528) $37.43 Feb. 17, 2021 3,528 Disposed
March 5, 2020 COR Restricted Stock Units Common Stock (2,300) · · 2,300 Acquired
March 2, 2020 COR Restricted Stock Units Common Stock (1,631) · · 1,631 Disposed
March 4, 2019 COR Restricted Stock Units Common Stock (1,700) · March 3, 2026 1,700 Disposed
Feb. 28, 2019 COR Restricted Stock Units Common Stock (2,401) · · 2,401 Acquired
March 5, 2018 COR Restricted Stock Units Common Stock (1,206) · · 1,206 Disposed
March 1, 2018 COR Restricted Stock Units Common Stock (1,608) · · 1,608 Acquired
March 6, 2017 COR Restricted Stock Units Common Stock (1,818) · · 1,818 Disposed
March 2, 2017 COR Restricted Stock Units Common Stock (1,631) · · 1,631 Acquired
March 3, 2016 COR Restricted Stock Units Common Stock (1,700) · · 1,700 Acquired
Feb. 29, 2016 COR Restricted Stock Units Common Stock (2,648) · Feb. 28, 2023 2,648 Disposed
March 5, 2015 COR Restricted Stock Units Common Stock (1,206) · · 1,206 Acquired
March 2, 2015 COR Restricted Stock Units Common Stock (3,351) · March 1, 2022 3,351 Disposed
Feb. 2, 2015 COR Restricted Stock Units Common Stock (312) · Nov. 1, 2014 312 Disposed
Feb. 2, 2015 COR Restricted Stock Units Common Stock (497) · Aug. 1, 2014 497 Disposed
Feb. 2, 2015 COR Restricted Stock Units Common Stock (455) · May 2, 2014 455 Disposed
Feb. 2, 2015 COR Restricted Stock Units Common Stock (517) · Feb. 1, 2014 517 Disposed
Nov. 3, 2014 COR Restricted Stock Units Common Stock (312) · Nov. 1, 2014 312 Disposed
Aug. 1, 2014 COR Restricted Stock Units Common Stock (497) · Aug. 1, 2014 497 Disposed
May 2, 2014 COR Restricted Stock Units Common Stock (455) · May 2, 2014 455 Disposed
April 23, 2014 701221 Phantom Stock Units [F1] Common Stock, $.25 Par Value (13,500) · · 13,500 Disposed
March 6, 2014 COR Restricted Stock Units Common Stock (1,818) · · 1,818 Acquired
Feb. 3, 2014 COR Restricted Stock Units Common Stock (517) · Feb. 1, 2014 517 Disposed
June 17, 2013 COR Non-Qualified Stock Options (right to buy) Common Stock (7,057) $37.43 Feb. 17, 2021 7,057 Disposed
June 17, 2013 COR Non-Qualified Stock Option (right to buy) Common Stock (9,170) $27.99 March 5, 2020 9,170 Disposed
June 17, 2013 COR Non-Qualified Stock Options (right to buy) Common Stock (19,922) $17.77 Feb. 20, 2019 19,922 Disposed
May 31, 2013 701221 Phantom Stock Units Common Stock, $.25 Par Value (6,907) · · 6,907 Disposed
Feb. 28, 2013 COR Restricted Stock Units Common Stock (2,648) · Feb. 28, 2023 2,648 Acquired
Nov. 30, 2012 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,172) · · 1,172 Disposed
Aug. 31, 2012 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,277) · · 1,277 Disposed
May 31, 2012 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,696) · · 1,696 Disposed
March 1, 2012 COR Restricted Stock Units Common Stock (3,351) · March 1, 2022 3,351 Acquired
Feb. 29, 2012 701221 Phantom Stock Units Common Stock, $.25 Par Value (2,388) · · 2,388 Disposed
Nov. 30, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (3,108) · · 3,108 Disposed
Nov. 30, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (3,108) · · 3,108 Acquired
Nov. 1, 2011 COR Restricted Stock Units Common Stock (312) · Nov. 1, 2014 312 Acquired
Aug. 31, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (899) · · 899 Disposed
Aug. 31, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (900) · · 900 Acquired
Aug. 1, 2011 COR Restricted Stock Units Common Stock (497) · Aug. 1, 2014 497 Acquired
May 31, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (927) · · 927 Disposed
May 31, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (927) · · 927 Acquired
May 2, 2011 COR Restricted Stock Units Common Stock (455) · May 2, 2014 455 Acquired
March 24, 2011 COR Non-qualified Stock Option (right to buy) Common Stock (4,586) $27.99 March 5, 2020 4,586 Disposed
March 24, 2011 COR Non-qualified Stock Option (right to buy) Common Stock (18,468) $21.16 Feb. 28, 2018 18,468 Disposed
March 24, 2011 COR Non-qualified Stock Option (right to buy) Common Stock (13,836) $26.86 Feb. 19, 2017 13,836 Disposed
Feb. 28, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (845) · · 845 Disposed
Feb. 28, 2011 701221 Phantom Stock Units Common Stock, $.25 Par Value (845) · · 845 Acquired
Feb. 17, 2011 COR Non-qualified Stock Option (right to buy) Common Stock (10,585) $37.43 Feb. 17, 2021 10,585 Acquired
Feb. 1, 2011 COR Restricted Stock Unit Common Stock (517) · Feb. 1, 2014 517 Acquired
Nov. 30, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (702) · · 702 Disposed
Nov. 30, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (702) · · 702 Acquired
Aug. 31, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (729) · · 729 Disposed
Aug. 31, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (730) · · 730 Acquired
May 28, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (674) · · 674 Disposed
May 28, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (674) · · 674 Acquired
May 10, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (6,891) · · 6,891 Acquired
May 6, 2010 COR Nonqualified Stock Option (right to buy) Common Stock (17,492) $21.17 Feb. 10, 2016 17,492 Disposed
April 30, 2010 COR Nonqualified Stock Option (right to buy) Common Stock (1,954) $21.17 Feb. 10, 2016 1,954 Disposed
April 30, 2010 COR Nonqualified Stock Option (right to buy) Common Stock (12,346) $15.32 March 7, 2015 12,346 Disposed
March 5, 2010 COR Nonqualified Stock Option (right to buy) Common Stock (13,756) $27.99 March 5, 2020 13,756 Acquired
Feb. 26, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (793) · · 793 Disposed
Feb. 26, 2010 701221 Phantom Stock Units Common Stock, $.25 Par Value (793) · · 793 Acquired
Nov. 30, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (895) · · 895 Disposed
Nov. 30, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (895) · · 895 Acquired
Nov. 30, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,168) · · 1,168 Acquired
Nov. 24, 2009 COR Nonqualified Stock Option (right to buy) Common Stock (6,596) $14.27 March 9, 2014 6,596 Disposed
Aug. 31, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,274) · · 1,274 Acquired
Aug. 31, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (999) · · 999 Acquired
Aug. 31, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (998) · · 998 Disposed
May 29, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,218) · · 1,218 Disposed
May 29, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,218) · · 1,218 Acquired
May 29, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (1,691) · · 1,691 Acquired
Feb. 27, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (918) · · 918 Disposed
Feb. 27, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (918) · · 918 Acquired
Feb. 27, 2009 701221 Phantom Stock Units Common Stock, $.25 Par Value (2,379) · · 2,379 Acquired
Feb. 20, 2009 COR Nonqualified Stock Option (right to buy) Common Stock (9,961) $35.55 Feb. 20, 2019 9,961 Acquired
Dec. 1, 2008 701221 Phantom Stock Units Common Stock, $.25 Par Value (3,096) · · 3,096 Acquired
Sept. 1, 2008 701221 Phantom Stock Units Common Stock, $.25 Par Value (895) · · 895 Acquired
June 1, 2008 701221 Phantom Stock Units Common Stock, $.25 Par Value (923) · · 923 Acquired
March 1, 2008 701221 Phantom Stock Units Common Stock, $.25 Par Value (841) · · 841 Acquired
Feb. 29, 2008 COR Nonqualified Stock Option (right to buy) Common Stock (9,234) $42.31 Feb. 28, 2018 9,234 Acquired
Feb. 29, 2008 COR Nonqualified Stock Option (right to buy) Common Stock (10,194) $42.31 Feb. 28, 2015 10,194 Acquired
Dec. 1, 2007 701221 Phantom Stock Units Common Stock, $.25 Par Value (699) · · 699 Acquired
Sept. 1, 2007 701221 Phantom Stock Units Common Stock, $.25 Par Value (725) · · 725 Acquired
June 1, 2007 701221 Phantom Stock Units Common Stock, $.25 Par Value (223) · · 223 Acquired
Feb. 28, 2007 701221 Phantom Stock Units Common Stock, $.25 Par Value (263) · · 263 Acquired
Feb. 19, 2007 COR Nonqualified Stock Option (right to buy) Common Stock (6,770) $54.90 Feb. 19, 2017 6,770 Acquired
Dec. 1, 2006 701221 Phantom Stock Units Common Stock, $.25 Par Value (297) · · 297 Acquired
Sept. 1, 2006 701221 Phantom Stock Units Common Stock, $.25 Par Value (331) · · 331 Acquired
June 1, 2006 701221 Phantom Stock Units Common Stock, $.25 Par Value (404) · · 404 Acquired
May 30, 2006 COR Nonqualified Stock Option (right to buy) Common Stock (3,021) $31.32 March 7, 2015 3,021 Disposed
May 30, 2006 COR Nonqualified Stock Option (right to buy) Common Stock (3,226) $29.17 March 8, 2014 3,226 Disposed
May 30, 2006 COR Nonqualified Stock Option (right to buy) Common Stock (3,627) $27.50 Feb. 28, 2013 3,627 Disposed
March 1, 2006 701221 Phantom Stock Units Common Stock, $.25 Par Value (305) · · 305 Acquired
Feb. 10, 2006 COR Nonqualified Stock Option (right to buy) Common Stock (9,515) $43.26 Feb. 10, 2016 9,515 Acquired

Showing latest 100 of 116 transactions

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