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Font Juan

Disclosed activity across 2 companies

Tapewire entity
61354
SEC CIK
0001733553

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
AMERICAN TOWER CORP /MA/AMT · Entity 2944SVP, Pres. & CEO, CoreSiteMarch 10, 2026March 12, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

AMERICAN TOWER CORP /MA/

Report date March 10, 2026 · Filed March 12, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect28,352 Ending reported balance After 2026-03-11 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-03-10 · Grant · Acquired 8,060 · Balance 31,114

F1: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.

Row 2 · 2026-03-10 · Tax withholding · Disposed 1,834 · Balance 29,280

F2: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Row 3 · 2026-03-11 · Tax withholding · Disposed 928 · Balance 28,352

F2: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Filing footnotes · ownership attribution and instrument terms

F1: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.

F2: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

CoreSite Realty Corp

Report date December 28, 2021 · Filed December 29, 2021

Section 16 reporting ended · disclosed 2021-12-29. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Ending reported balance After 2021-12-28 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2021-12-28 · Grant · Acquired 177 · Balance 30,735

F1: In connection with the consummation of the Company Merger (as defined below), the Compensation Committee of the Board of Directors of CoreSite Realty Corporation (the "Company") certified the level of achievement of the performance goals applicable to each award of performance-based restricted shares (each, a "Company Performance Stock Award"), which resulted in an increase in the number of shares of common stock, par value $0.01 per share ("Company Common Stock") underlying the Company Performance Stock Awards granted in 2019.

Row 2 · 2021-12-28 · Disposition to issuer · Disposed 30,735 · Balance 0

F2: In connection with the consummation of the Company Merger, at the Company Merger Effective Time (as defined below), each share of Company Common Stock, of the Company that was outstanding immediately prior to the Company Merger Effective Time (other than certain shares specified in the Merger Agreement (as defined below)) was automatically converted into the right to receive $170.00 in cash (the "Offer Price"), without interest and subject to required withholding taxes.

F3: At the Company Merger Effective Time, 20% of each award of time-based restricted shares ("Company Restricted Stock Award") that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was cancelled and converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Restricted Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. The remaining 80% of Company Restricted Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower Corporation ("American Tower") and converted into awards of restricted shares of American Tower common stock, par value $0.01 per share ("American Tower Common Stock" and each award, the "American Tower Restricted Stock Award") in accordance with the terms of the Merger Agreement.

F4: At the Company Merger Effective Time, 20% of each Company Performance Stock Award that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Performance Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. At the Company Merger Effective Time, the remaining 80% of Company Performance Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower and converted into an American Tower Restricted Stock Award in accordance with the terms of the Merger Agreement.

Filing footnotes · ownership attribution and instrument terms

F1: In connection with the consummation of the Company Merger (as defined below), the Compensation Committee of the Board of Directors of CoreSite Realty Corporation (the "Company") certified the level of achievement of the performance goals applicable to each award of performance-based restricted shares (each, a "Company Performance Stock Award"), which resulted in an increase in the number of shares of common stock, par value $0.01 per share ("Company Common Stock") underlying the Company Performance Stock Awards granted in 2019.

F2: In connection with the consummation of the Company Merger, at the Company Merger Effective Time (as defined below), each share of Company Common Stock, of the Company that was outstanding immediately prior to the Company Merger Effective Time (other than certain shares specified in the Merger Agreement (as defined below)) was automatically converted into the right to receive $170.00 in cash (the "Offer Price"), without interest and subject to required withholding taxes.

F3: At the Company Merger Effective Time, 20% of each award of time-based restricted shares ("Company Restricted Stock Award") that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was cancelled and converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Restricted Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. The remaining 80% of Company Restricted Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower Corporation ("American Tower") and converted into awards of restricted shares of American Tower common stock, par value $0.01 per share ("American Tower Common Stock" and each award, the "American Tower Restricted Stock Award") in accordance with the terms of the Merger Agreement.

F4: At the Company Merger Effective Time, 20% of each Company Performance Stock Award that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Performance Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. At the Company Merger Effective Time, the remaining 80% of Company Performance Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower and converted into an American Tower Restricted Stock Award in accordance with the terms of the Merger Agreement.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 11, 2026 Filed Mar 12, 2026 20:43 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 Tax withholdingCommon Stock 928 $182.85 $169,684.80
Disclosure

SEC source: 0001053507-26-000080 · wk-form4_1773348211.xml · nonDerivative · entry 3

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,352

F2 · kind: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Read SEC document
March 10, 2026 Filed Mar 12, 2026 20:43 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 Tax withholdingCommon Stock 1,834 $186.12 $341,344.08
Disclosure

SEC source: 0001053507-26-000080 · wk-form4_1773348211.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,280

F2 · kind: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Read SEC document
March 10, 2026 Filed Mar 12, 2026 20:43 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 GrantCommon Stock 8,060 $0.00 $0.00
Disclosure

SEC source: 0001053507-26-000080 · wk-form4_1773348211.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,114

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.

Read SEC document
January 03, 2026 Filed Jan 6, 2026 21:27 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 Tax withholdingCommon Stock 419 $174.80 $73,241.20
Disclosure

SEC source: 0001733553-26-000002 · wk-form4_1767734833.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,054

F1 · kind: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of restricted stock units previously granted under the 2007 Equity Incentive Plan, as amended.

F2 · balance_after: Includes 48 shares acquired under the issuer's employee stock purchase plan in November 2025.

Read SEC document
July 31, 2025 Filed Aug 1, 2025 20:11 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 SaleCommon Stock 720 $208.33 $149,997.60
Disclosure

SEC source: 0001053507-25-000122 · wk-form4_1754079077.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,425

F1 · balance_after: Includes 41 shares acquired under the issuer's employee stock purchase plan in May 2025.

Read SEC document
March 11, 2025 Filed Mar 12, 2025 21:08 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 Tax withholdingCommon Stock 981 $209.78 $205,794.18
Disclosure

SEC source: 0001053507-25-000070 · wk-form4_1741813679.xml · nonDerivative · entry 3

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,104

F2 · kind: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Read SEC document
March 10, 2025 Filed Mar 12, 2025 21:08 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 Tax withholdingCommon Stock 874 $213.07 $186,223.18
Disclosure

SEC source: 0001053507-25-000070 · wk-form4_1741813679.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,085

F2 · kind: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.

Read SEC document
March 10, 2025 Filed Mar 12, 2025 21:08 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 GrantCommon Stock 7,040 $0.00 $0.00
Disclosure

SEC source: 0001053507-25-000070 · wk-form4_1741813679.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,959

F1 · kind: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.

Read SEC document
January 03, 2025 Filed Jan 7, 2025 21:30 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 Tax withholdingCommon Stock 469 $182.56 $85,620.64
Disclosure

SEC source: 0001053507-25-000003 · wk-form4_1736285435.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,919

F1 · kind: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of restricted stock units previously granted under the 2007 Equity Incentive Plan, as amended.

F2 · balance_after: Includes 97 and 26 shares acquired under the issuer's employee stock purchase plan in May 2024 and in November 2024, respectively.

Read SEC document
March 15, 2024 Filed Mar 19, 2024 20:24 UTC AMERICAN TOWER CORP /MA/ AMT · Entity 2944 SaleCommon Stock 540 $197.49 $106,644.60
Disclosure

SEC source: 0001053507-24-000072 · wk-form4_1710879829.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, Pres. & CEO, CoreSite

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,265

Read SEC document
December 28, 2021 Filed Dec 29, 2021 20:18 UTC CoreSite Realty Corp COR · Entity 131960 Disposition to issuerCommon Stock 30,735 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-21-071549 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · shares: In connection with the consummation of the Company Merger, at the Company Merger Effective Time (as defined below), each share of Company Common Stock, of the Company that was outstanding immediately prior to the Company Merger Effective Time (other than certain shares specified in the Merger Agreement (as defined below)) was automatically converted into the right to receive $170.00 in cash (the "Offer Price"), without interest and subject to required withholding taxes.

F3 · shares: At the Company Merger Effective Time, 20% of each award of time-based restricted shares ("Company Restricted Stock Award") that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was cancelled and converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Restricted Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. The remaining 80% of Company Restricted Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower Corporation ("American Tower") and converted into awards of restricted shares of American Tower common stock, par value $0.01 per share ("American Tower Common Stock" and each award, the "American Tower Restricted Stock Award") in accordance with the terms of the Merger Agreement.

F4 · shares: At the Company Merger Effective Time, 20% of each Company Performance Stock Award that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Performance Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. At the Company Merger Effective Time, the remaining 80% of Company Performance Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower and converted into an American Tower Restricted Stock Award in accordance with the terms of the Merger Agreement.

F2 · price: In connection with the consummation of the Company Merger, at the Company Merger Effective Time (as defined below), each share of Company Common Stock, of the Company that was outstanding immediately prior to the Company Merger Effective Time (other than certain shares specified in the Merger Agreement (as defined below)) was automatically converted into the right to receive $170.00 in cash (the "Offer Price"), without interest and subject to required withholding taxes.

F3 · price: At the Company Merger Effective Time, 20% of each award of time-based restricted shares ("Company Restricted Stock Award") that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was cancelled and converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Restricted Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. The remaining 80% of Company Restricted Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower Corporation ("American Tower") and converted into awards of restricted shares of American Tower common stock, par value $0.01 per share ("American Tower Common Stock" and each award, the "American Tower Restricted Stock Award") in accordance with the terms of the Merger Agreement.

F4 · price: At the Company Merger Effective Time, 20% of each Company Performance Stock Award that was outstanding as of immediately prior to the Company Merger Effective Time vested and all restrictions thereupon lapsed, and each such award was converted into the right to receive a cash payment equal to the product of (A) the number of shares of Company Common Stock underlying such Company Performance Stock Award as of immediately prior to the Effective Time and (B) the Offer Price. At the Company Merger Effective Time, the remaining 80% of Company Performance Stock Awards that were outstanding as of immediately prior to the Company Merger Effective Time were assumed by American Tower and converted into an American Tower Restricted Stock Award in accordance with the terms of the Merger Agreement.

Read SEC document
December 28, 2021 Filed Dec 29, 2021 20:18 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 177 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-21-071549 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,735

F1 · shares: In connection with the consummation of the Company Merger (as defined below), the Compensation Committee of the Board of Directors of CoreSite Realty Corporation (the "Company") certified the level of achievement of the performance goals applicable to each award of performance-based restricted shares (each, a "Company Performance Stock Award"), which resulted in an increase in the number of shares of common stock, par value $0.01 per share ("Company Common Stock") underlying the Company Performance Stock Awards granted in 2019.

F1 · price: In connection with the consummation of the Company Merger (as defined below), the Compensation Committee of the Board of Directors of CoreSite Realty Corporation (the "Company") certified the level of achievement of the performance goals applicable to each award of performance-based restricted shares (each, a "Company Performance Stock Award"), which resulted in an increase in the number of shares of common stock, par value $0.01 per share ("Company Common Stock") underlying the Company Performance Stock Awards granted in 2019.

Read SEC document
August 05, 2021 Filed Aug 9, 2021 16:17 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 600 $139.11 $83,466.00
Disclosure

SEC source: 0001209191-21-050400 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,558

Read SEC document
May 24, 2021 Filed May 26, 2021 16:43 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 400 $120.50 $48,198.00
Disclosure

SEC source: 0001209191-21-035946 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,158

Read SEC document
March 17, 2021 Filed Mar 17, 2021 18:56 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 971 $115.67 $112,315.57
Disclosure

SEC source: 0001209191-21-021542 · doc4.xml · nonDerivative · entry 3

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,558

F3 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F4 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $115.66 to $115.6765, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
March 15, 2021 Filed Mar 17, 2021 18:56 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,750 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-021542 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,529

F2 · shares: Represents performance-based restricted shares ("PSAs") granted under the 2010 Plan. The number of PSAs earned is based on the issuer's achievement of relative total shareholder return ("TSR") measured versus the MSCI US REIT Index over a three-year performance period ending December 31, 2023, and the number of shares earned may range from 25% to 175%. The PSAs are earned as follows: (i) 20% of the PSAs are earned upon TSR achievement in year one of the performance period, (ii) 20% of the PSAs are earned upon TSR achievement in year two of the performance period, (iii) 20% of the PSAs are earned upon TSR achievement in year three of the performance period, and (iv) 40% of the PSAs are earned upon a cumulative TSR achievement over the three-year performance period, subject to the reporting person's continued service with the issuer at the end of the three-year performance period. The PSAs are granted and issued at 175% of the target amount.

Read SEC document
March 15, 2021 Filed Mar 17, 2021 18:56 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,215 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-021542 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,779

F1 · shares: Represents restricted stock granted under the issuer's Amended and Restated 2010 Equity Incentive Award Plan (the "2010 Plan"). The restricted stock vests in three equal annual installments beginning on March 15, 2022, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Read SEC document
March 10, 2021 Filed Mar 10, 2021 19:25 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 234 $112.83 $26,402.22
Disclosure

SEC source: 0001209191-21-019647 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,564

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

Read SEC document
March 05, 2021 Filed Mar 5, 2021 19:02 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 762 $110.20 $83,972.40
Disclosure

SEC source: 0001209191-21-018378 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,798

F2 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F3 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

Read SEC document
March 03, 2021 Filed Mar 5, 2021 19:02 UTC CoreSite Realty Corp COR · Entity 131960 Disposition to issuerCommon Stock 217 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-018378 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,560

F1 · shares: Represents the forfeiture of previously granted performance-based restricted shares that did not vest based on the issuer's level of achievement of relative total shareholder return measured versus the MSCI US REIT Index over a three-year performance period ended December 31, 2020.

Read SEC document
March 23, 2020 Filed Mar 25, 2020 16:14 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 52 $94.20 $4,898.35
Disclosure

SEC source: 0001209191-20-021106 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,777

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

Read SEC document
March 19, 2020 Filed Mar 20, 2020 16:20 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 1,000 $104.67 $104,670.00
Disclosure

SEC source: 0001209191-20-020445 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,829

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $104.48 to $105.17, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
March 17, 2020 Filed Mar 17, 2020 18:58 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 636 $108.04 $68,713.44
Disclosure

SEC source: 0001209191-20-019773 · doc4.xml · nonDerivative · entry 3

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,829

F3 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F4 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.82 to $108.41, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
March 15, 2020 Filed Mar 17, 2020 18:58 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,805 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-019773 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,465

F2 · shares: Represents performance-based restricted shares ("PSAs") granted under the 2010 Plan. The number of PSAs earned is based on the issuer's achievement of relative total shareholder return ("TSR") measured versus the MSCI US REIT Index over a three-year performance period ending December 31, 2022, and the number of shares earned may range from 25% to 175%. The PSAs are earned as follows: (i) 20% of the PSAs are earned upon TSR achievement in year one of the performance period, (ii) 20% of the PSAs are earned upon TSR achievement in year two of the performance period, (iii) 20% of the PSAs are earned upon TSR achievement in year three of the performance period, and (iv) 40% of the PSAs are earned upon a cumulative TSR achievement over the three-year performance period, subject to the reporting person's continued service with the issuer at the end of the three-year performance period. The PSAs are granted and issued at 175% of the target amount.

Read SEC document
March 15, 2020 Filed Mar 17, 2020 18:58 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,261 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-019773 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,660

F1 · shares: Represents restricted stock granted under the issuer's 2010 Equity Incentive Award Plan (the "2010 Plan"). The restricted stock vests in three equal annual installments beginning on March 15, 2021, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Read SEC document
March 09, 2020 Filed Mar 11, 2020 18:42 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 249 $103.01 $25,649.49
Disclosure

SEC source: 0001209191-20-018248 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,399

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 05, 2020 Filed Mar 6, 2020 18:49 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 114 $109.90 $12,528.60
Disclosure

SEC source: 0001209191-20-017064 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,648

F2 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F3 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 04, 2020 Filed Mar 6, 2020 18:49 UTC CoreSite Realty Corp COR · Entity 131960 Disposition to issuerCommon Stock 335 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-017064 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,762

F1 · shares: Represents the forfeiture of previously granted performance-based restricted shares that did not vest based on the issuer's level of achievement of relative total shareholder return during the year ended December 31, 2019.

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March 03, 2020 Filed Mar 4, 2020 17:23 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 336 $107.86 $36,240.96
Disclosure

SEC source: 0001209191-20-016269 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,097

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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May 02, 2019 Filed Jan 22, 2020 16:27 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 1,515 $111.80 $169,377.00
Disclosure

SEC source: 0001209191-20-004481 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,433

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March 21, 2019 Filed Mar 25, 2019 17:42 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 47 $107.44 $5,049.68
Disclosure

SEC source: 0001209191-19-021203 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,948

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 19, 2019 Filed Mar 19, 2019 17:00 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 287 $103.80 $29,790.60
Disclosure

SEC source: 0001209191-19-020332 · doc4.xml · nonDerivative · entry 3

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,995

F3 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F4 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 15, 2019 Filed Mar 19, 2019 17:00 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,925 $0.00 $0.00
Disclosure

SEC source: 0001209191-19-020332 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,282

F2 · shares: Represents performance-based restricted shares ("PSAs") granted under the 2010 Plan. The number of PSAs earned is based on the issuer's achievement of relative total shareholder return ("TSR") measured versus the MSCI US REIT Index over a three-year performance period ending December 31, 2021, and the number of shares earned may range from 25% to 175%. The PSAs are earned as follows: (i) 20% of the PSAs are earned upon TSR achievement in year one of the performance period, (ii) 20% of the PSAs are earned upon TSR achievement in year two of the performance period, (iii) 20% of the PSAs are earned upon TSR achievement in year three of the performance period, and (iv) 40% of the PSAs are earned upon a cumulative TSR achievement over the three-year performance period, subject to the reporting person's continued service with the issuer at the end of the three-year performance period. The PSAs are granted and issued at 175% of the target amount.

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March 15, 2019 Filed Mar 19, 2019 17:00 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,365 $0.00 $0.00
Disclosure

SEC source: 0001209191-19-020332 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,357

F1 · shares: Represents restricted stock granted under the issuer's 2010 Equity Incentive Award Plan (the "2010 Plan"). The restricted stock vests in three equal annual installments beginning on March 15, 2020, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

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March 12, 2019 Filed Mar 14, 2019 16:16 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 229 $102.78 $23,536.62
Disclosure

SEC source: 0001209191-19-019430 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,992

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 07, 2019 Filed Mar 11, 2019 16:59 UTC CoreSite Realty Corp COR · Entity 131960 Disposition to issuerCommon Stock 650 $0.00 $0.00
Disclosure

SEC source: 0001209191-19-018479 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,221

F1 · shares: Represents the forfeiture of previously granted performance-based restricted shares that did not vest based on the issuer's level of achievement of relative total shareholder return during the year ended December 31, 2018.

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March 05, 2019 Filed Mar 6, 2019 20:17 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 314 $101.73 $31,943.22
Disclosure

SEC source: 0001209191-19-017569 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,871

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 05, 2019 Filed Mar 6, 2019 20:17 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 342 $101.67 $34,771.14
Disclosure

SEC source: 0001209191-19-017569 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,185

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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May 03, 2018 Filed May 7, 2018 19:46 UTC CoreSite Realty Corp COR · Entity 131960 Exercise / conversionStock Option (Right to Buy) · Derivative 1,250 $0.00 Strike: $15.23 $0.00
Disclosure

SEC source: 0001209191-18-028453 · doc4.xml · derivative · entry 4

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,250 shares

Expires 2021-03-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock options are fully vested.

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May 03, 2018 Filed May 7, 2018 19:46 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 200 $104.46 $20,892.00
Disclosure

SEC source: 0001209191-18-028453 · doc4.xml · nonDerivative · entry 3

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,527

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $104.35 to $104.57, inclusive.

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May 03, 2018 Filed May 7, 2018 19:46 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 1,050 $103.89 $109,084.50
Disclosure

SEC source: 0001209191-18-028453 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,727

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $103.54 to $104.04, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1 and 2.

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May 03, 2018 Filed May 7, 2018 19:46 UTC CoreSite Realty Corp COR · Entity 131960 Exercise / conversionCommon Stock 1,250 $15.23 $19,037.50
Disclosure

SEC source: 0001209191-18-028453 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,777

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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March 22, 2018 Filed Mar 22, 2018 20:44 UTC CoreSite Realty Corp COR · Entity 131960 SaleCommon Stock 48 $103.30 $4,958.22
Disclosure

SEC source: 0001209191-18-021348 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,527

F1 · kind: The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2 · shares: Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock.

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March 15, 2018 Filed Mar 19, 2018 20:17 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 3,318 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-020765 · doc4.xml · nonDerivative · entry 2

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,575

F2 · shares: Represents performance-based restricted shares ("PSAs") granted under the issuer's 2010 Equity Incentive Award Plan. The number of PSAs earned is based on the issuer's achievement of relative total shareholder return ("TSR") measured versus the MSCI US REIT Index over a three-year performance period ending December 31, 2020, and the number of shares earned may range from 25% to 175%. The PSAs are earned as follows: (i) 20% of the PSAs are earned upon TSR achievement in year one of the performance period, (ii) 20% of the PSAs are earned upon TSR achievement in year two of the performance period, (iii) 20% of the PSAs are earned upon TSR achievement in year three of the performance period, and (iv) 40% of the PSAs are earned upon a cumulative TSR achievement over the three-year performance period, subject to the reporting person's continued service with the issuer at the end of the three-year performance period. The PSAs are granted and issued at 175% of the target amount.

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March 15, 2018 Filed Mar 19, 2018 20:17 UTC CoreSite Realty Corp COR · Entity 131960 GrantCommon Stock 2,845 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-020765 · doc4.xml · nonDerivative · entry 1

Font Juan · CIK 0001733553 · SVP, General Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,257

F1 · shares: Represents restricted stock granted under the issuer's 2010 Equity Incentive Award Plan. The restricted stock vests in three equal annual installments beginning on March 15, 2019, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.