Insider at

04

Insider transactions

05
0 buys (P) 6 sells (S) Net: $-8,921,514 + 82 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

82 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 20, 2026 COR S 10b5-1 3,762 $358.94 $1,350,332 65,393 Direct -5.44% Disposed -13.9% (price as of 2026-10-02)
Feb. 18, 2026 COR S 10b5-1 1,333 $359.46 $479,160 65,393 Direct -2.00% Disposed -14.0% (price as of 2026-10-02)
Jan. 20, 2026 COR S 10b5-1 5,096 $354.73 $1,807,704 66,726 Direct -7.10% Disposed -12.9% (price as of 2026-10-02)
Dec. 18, 2025 COR S 10b5-1 5,096 $343.45 $1,750,221 68,059 Direct -6.97% Disposed -10.0% (price as of 2026-10-02)
Nov. 18, 2025 COR S 10b5-1 5,096 $366.64 $1,868,397 65,746 Direct -7.19% Disposed -15.7% (price as of 2026-10-02)
Oct. 20, 2025 COR S 10b5-1 5,097 $326.80 $1,665,700 37,940 Direct -11.84% Disposed -5.4% (price as of 2026-10-02)
Sept. 18, 2025 COR S 10b5-1 5,097 $290.00 $1,478,130 39,274 Direct -11.49% Disposed 6.6% (price as of 2026-10-02)
Aug. 18, 2025 COR S 10b5-1 4,968 $293.53 $1,458,257 40,608 Direct -10.90% Disposed 5.3% (price as of 2026-10-02)
July 18, 2025 COR S 10b5-1 4,968 $294.11 $1,461,138 42,351 Direct -10.50% Disposed 5.1% (price as of 2026-10-02)
June 18, 2025 COR S 10b5-1 4,969 $295.30 $1,467,346 44,094 Direct -10.13% Disposed 4.7% (price as of 2026-10-02)
May 19, 2025 COR S 10b5-1 4,969 $291.43 $1,448,116 45,838 Direct -9.78% Disposed 6.0% (price as of 2026-10-02)
April 21, 2025 COR S 10b5-1 4,969 $289.33 $1,437,681 47,582 Direct -9.46% Disposed 6.8% (price as of 2026-10-02)
March 18, 2025 COR S 10b5-1 1,744 $260.93 $455,062 49,326 Direct -3.41% Disposed 18.4% (price as of 2026-10-02)
March 18, 2025 COR S 10b5-1 3,226 $260.93 $841,760 51,070 Direct -5.94% Disposed 18.4% (price as of 2026-10-02)
March 3, 2025 COR S 10b5-1 3,226 $255.00 $822,630 51,070 Direct -5.94% Disposed 21.2% (price as of 2026-10-02)
March 3, 2025 COR S 10b5-1 1,744 $255.00 $444,720 51,070 Direct -3.30% Disposed 21.2% (price as of 2026-10-02)
April 15, 2024 COR S 10b5-1 57,564 $235.09 $13,532,721 24,412 Direct -70.22% Disposed 31.5% (price as of 2026-10-02)
Sept. 25, 2023 COR S 10b5-1 20,197 $185.00 $3,736,445 23,687 Direct -46.02% Disposed 67.1% (price as of 2026-10-02)

Showing latest 100 of 227 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 20, 2026 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,762) $86.09 Nov. 13, 2026 3,762 Disposed
Jan. 20, 2026 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,763) $86.09 Nov. 13, 2026 3,763 Disposed
Dec. 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,763) $86.09 Nov. 13, 2026 3,763 Disposed
Dec. 15, 2025 COR Restricted Stock Units Common Stock (638) · · 638 Disposed
Nov. 20, 2025 COR Restricted Stock Units Common Stock · · 5,790 Disposed
Nov. 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,763) $86.09 Nov. 13, 2026 3,763 Disposed
Nov. 12, 2025 COR Restricted Stock Units Common Stock (15,960) · · 15,960 Acquired
Nov. 7, 2025 COR Restricted Stock Units Common Stock (4,215) · · 4,215 Disposed
Nov. 7, 2025 COR Restricted Stock Units Common Stock (4,065) · · 4,065 Disposed
Oct. 20, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,763) $86.09 Nov. 13, 2026 3,763 Disposed
Sept. 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,763) $86.09 Nov. 13, 2026 3,763 Disposed
Aug. 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,225) $86.09 Nov. 13, 2026 3,225 Disposed
July 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,225) $86.09 Nov. 13, 2026 3,225 Disposed
June 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,225) $86.09 Nov. 13, 2026 3,225 Disposed
May 19, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,225) $86.09 Nov. 13, 2026 3,225 Disposed
April 21, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,225) $86.09 Nov. 13, 2026 3,225 Disposed
March 18, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,226) $86.09 Nov. 13, 2026 3,226 Disposed
March 3, 2025 COR Non-qualified Stock Option (Right to Buy) Common Stock (3,226) $86.09 Nov. 13, 2026 3,226 Disposed
Dec. 18, 2024 COR Restricted Stock Units Common Stock (789) · · 789 Disposed
Nov. 20, 2024 COR Restricted Stock Units Common Stock (19,737) · · 19,737 Acquired
Nov. 8, 2024 COR Restricted Stock Units Common Stock (3,578) · · 3,578 Disposed
Nov. 8, 2024 COR Restricted Stock Units Common Stock (4,215) · · 4,215 Disposed
Nov. 8, 2024 COR Restricted Stock Units Common Stock (3,714) · · 3,714 Disposed
April 15, 2024 COR Non-qualified Stock Option (Right to Buy) Common Stock (33,877) $89.58 Nov. 14, 2025 33,877 Disposed
Dec. 13, 2023 COR Restricted Stock Units Common Stock (487) · · 487 Disposed
Nov. 10, 2023 COR Restricted Stock Units Common Stock (3,713) · · 3,713 Disposed
Nov. 10, 2023 COR Restricted Stock Units Common Stock (3,998) · · 3,998 Disposed
Nov. 9, 2023 COR Restricted Stock Units Common Stock (3,709) · · 3,709 Disposed
Nov. 8, 2023 COR Restricted Stock Units Common Stock (12,196) · · 12,196 Acquired
Dec. 12, 2022 COR Restricted Stock Units Common Stock (505) · · 505 Disposed
Nov. 13, 2022 COR Restricted Stock Units Common Stock (5,808) · · 5,808 Disposed
Nov. 10, 2022 COR Restricted Stock Units Common Stock (3,713) · · 3,713 Disposed
Nov. 10, 2022 COR Restricted Stock Units Common Stock (3,997) · · 3,997 Disposed
Nov. 9, 2022 COR Restricted Stock Units Common Stock (12,644) · · 12,644 Acquired
Feb. 1, 2022 COR Non-qualified Stock Option (Right to Buy) Common Stock (44,492) $77.53 Nov. 15, 2024 44,492 Disposed
Nov. 14, 2021 COR Restricted Stock Units Common Stock (4,689) · · 4,689 Disposed
Nov. 10, 2021 COR Restricted Stock Units Common Stock (11,140) · · 11,140 Acquired
Nov. 10, 2021 COR Restricted Stock Units Common Stock (3,997) · · 3,997 Disposed
Nov. 2, 2021 COR Non-qualified Stock Option (Right to Buy) Common Stock (41,214) $98.24 Nov. 11, 2022 41,214 Disposed
Jan. 6, 2021 COR Non-qualified Stock Option (Right to Buy) Common Stock (16,561) $88.71 Nov. 12, 2021 16,561 Disposed
Dec. 14, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (59,041) $75.61 Nov. 9, 2023 59,041 Disposed
Nov. 13, 2020 COR Restricted Stock Units Common Stock (5,417) · · 5,417 Disposed
Nov. 10, 2020 COR Restricted Stock Units Common Stock (11,992) · · 11,992 Acquired
Aug. 20, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (5,262) $68.49 Nov. 13, 2020 5,262 Disposed
July 20, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (5,262) $68.49 Nov. 13, 2020 5,262 Disposed
June 19, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (5,262) $68.49 Nov. 13, 2020 5,262 Disposed
May 20, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (5,262) $68.49 Nov. 13, 2020 5,262 Disposed
April 20, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (5,262) $68.49 Nov. 13, 2020 5,262 Disposed
March 31, 2020 COR Non-qualified Stock Option (Right to Buy) Common Stock (5,263) $68.49 Nov. 13, 2020 5,263 Disposed
Nov. 13, 2019 COR Non-qualified Stock Option (Right to Buy) Common Stock (45,154) $86.09 Nov. 13, 2026 45,154 Acquired
Nov. 13, 2019 COR Restricted Stock Units Common Stock (5,808) · Nov. 13, 2026 5,808 Acquired
Nov. 8, 2019 COR Restricted Stock Units Common Stock (5,290) · Nov. 9, 2023 5,290 Disposed
May 28, 2019 COR Non-qualified Stock Option (Right to Buy) Common Stock (24,767) $40.21 Nov. 14, 2019 24,767 Disposed
March 1, 2019 COR Non-qualified Stock Option (Right to Buy) Common Stock (2,260) $37.37 March 1, 2019 2,260 Disposed
Nov. 14, 2018 COR Restricted Stock Units Common Stock (4,689) · · 4,689 Acquired
Nov. 14, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (33,877) $89.58 Nov. 14, 2025 33,877 Acquired
Nov. 9, 2018 COR Restricted Stock Units Common Stock (3,664) · Nov. 11, 2022 3,664 Disposed
June 13, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
April 30, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
April 17, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Feb. 28, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Jan. 31, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Jan. 2, 2018 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Dec. 14, 2017 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Dec. 14, 2017 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Dec. 14, 2017 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,000) $37.37 March 1, 2019 1,000 Disposed
Nov. 15, 2017 COR Restricted Stock Units Common Stock (5,417) · · 5,417 Acquired
Nov. 15, 2017 COR Non-qualified Stock Option (Right to Buy) Common Stock (44,492) $77.53 Nov. 15, 2024 44,492 Acquired
Nov. 10, 2017 COR Restricted Stock Units Common Stock (1,330) · · 1,330 Disposed
June 2, 2017 COR Restricted Stock Units Common Stock (10,000) · · 10,000 Disposed
Nov. 9, 2016 COR Restricted Stock Units Common Stock (5,290) · Nov. 9, 2023 5,290 Acquired
Nov. 9, 2016 COR Non-qualified Stock Option (Right to Buy) Common Stock (59,041) $75.61 Nov. 9, 2023 59,041 Acquired
Aug. 5, 2016 COR Non-qualified Stock Option (Right to Buy) Common Stock (11,260) $37.37 March 1, 2019 11,260 Disposed
Aug. 5, 2016 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,407) $39.48 Sept. 1, 2018 1,407 Disposed
Nov. 11, 2015 COR Restricted Stock Units Common Stock (3,664) · Nov. 11, 2022 3,664 Acquired
Nov. 11, 2015 COR Non-qualified Stock Option (Right to Buy) Common Stock (41,214) $98.24 Nov. 11, 2022 41,214 Acquired
Feb. 27, 2015 COR Non-qualified Stock Option (Right to Buy) Common Stock (12,383) $40.21 Nov. 14, 2019 12,383 Disposed
Feb. 27, 2015 COR Non-qualified Stock Option (Right to Buy) Common Stock (1,406) $39.48 Sept. 1, 2018 1,406 Disposed
Feb. 27, 2015 COR Non-qualified Stock Option (Right to Buy) Common Stock (4,688) $36.37 Feb. 16, 2018 4,688 Disposed
Feb. 27, 2015 COR Non-qualified Stock Option (Right to Buy) Common Stock (938) $30.81 June 1, 2017 938 Disposed

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

Initial ownership (Form 3) 10 holdings

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

DateTickerSecuritySharesOwnership
Feb. 12, 2015 COR Common Stock 15,704 Direct
Feb. 12, 2015 COR Restricted Stock Units→ Common Stock (10,000) 10,000 Direct
Feb. 12, 2015 COR Restricted Stock Units→ Common Stock (1,330) 1,330 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (938) 938 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (4,688) 4,688 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (2,813) 2,813 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (22,520) 22,520 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (37,150) 37,150 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (31,573) 31,573 Direct
Feb. 12, 2015 COR Non-qualified Stock Option (Right to Buy)→ Common Stock (16,561) 16,561 Direct

Compensation (DEF 14A)

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

COR

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2019 $675,000 · $1,470,008 $630,112 $677,394 · $85,087 $3,537,601
2018 $675,000 · $1,469,969 $630,007 $563,392 · $67,269 $3,405,637
2017 $618,750 · $1,200,006 $800,006 · · · $2,945,874

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