AMT

SEC source: 0001053507-25-000058 · wk-form4_1741812247.xml · nonDerivative · entry 1

Ray Neville R · CIK 0001576185 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,056

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000056 · wk-form4_1741812142.xml · nonDerivative · entry 1

Clarke Teresa Hillary · CIK 0001875332 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,098

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000054 · wk-form4_1741812011.xml · nonDerivative · entry 1

Chambliss Kelly C · CIK 0001684464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,217

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000052 · wk-form4_1741811869.xml · nonDerivative · entry 1

HORMATS ROBERT D · CIK 0001029613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,388

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000050 · wk-form4_1741811741.xml · nonDerivative · entry 1

Lieblein Grace · CIK 0001564342 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,932

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000046 · wk-form4_1741811431.xml · nonDerivative · entry 1

Frank Kenneth R · CIK 0001841379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,979

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000048 · wk-form4_1741811614.xml · nonDerivative · entry 1

Tanner Bruce L · CIK 0001411075 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,731

F1 · shares: These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2026. Each RSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000029 · wk-form4_1740777434.xml · nonDerivative · entry 2

Meyer Robert Joseph JR · CIK 0001363889 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,210

SEC source: 0001053507-25-000037 · wk-form4_1741037079.xml · nonDerivative · entry 1

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,319

F1 · shares: Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance based on a three-year performance period, under the terms of a PSU award granted on March 10, 2022. These shares will vest three years from the grant date of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000035 · wk-form4_1741036886.xml · nonDerivative · entry 1

Vondran Steven O · CIK 0001749304 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,849

F1 · shares: Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance based on a three-year performance period, under the terms of a PSU award granted on March 10, 2022. These shares will vest three years from the grant date of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000033 · wk-form4_1741036657.xml · nonDerivative · entry 1

Goel Sanjay · CIK 0001852058 · EVP & President, Asia-Pacific

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,408

F1 · shares: Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance based on a three-year performance period, under the terms of a PSU award granted on March 10, 2022. These shares will vest three years from the grant date of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000031 · wk-form4_1741036388.xml · nonDerivative · entry 1

Puech Olivier · CIK 0001754833 · EVP & President, International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,775

F1 · shares: Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance based on a three-year performance period, under the terms of a PSU award granted on March 10, 2022. These shares will vest three years from the grant date of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.

SEC source: 0001053507-25-000029 · wk-form4_1740777434.xml · nonDerivative · entry 1

Meyer Robert Joseph JR · CIK 0001363889 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,149

F1 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $201.11 to $201.13 per share.

SEC source: 0001053507-25-000027 · wk-form4_1740776924.xml · derivative · entry 3

REEVE PAMELA D A · CIK 0001032946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,971 shares

Expires 2025-03-10

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.

F1 · security: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended.

SEC source: 0001053507-25-000027 · wk-form4_1740776924.xml · nonDerivative · entry 2

REEVE PAMELA D A · CIK 0001032946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,634

SEC source: 0001053507-25-000027 · wk-form4_1740776924.xml · nonDerivative · entry 1

REEVE PAMELA D A · CIK 0001032946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,605

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.

SEC source: 0001053507-25-000018 · wk-form4_1739912727.xml · derivative · entry 4

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,568 shares

Expires 2025-03-10

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.

F4 · derivative.exercise_date: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 10, 2016.

SEC source: 0001053507-25-000018 · wk-form4_1739912727.xml · nonDerivative · entry 3

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,792

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 13, 2024.

F3 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $190.23 to $190.44 per share.

SEC source: 0001053507-25-000018 · wk-form4_1739912727.xml · nonDerivative · entry 2

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,309

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 13, 2024.

F2 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $189.14 to $190.08 per share.

SEC source: 0001053507-25-000018 · wk-form4_1739912727.xml · nonDerivative · entry 1

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,360

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.

SEC source: 0001053507-25-000005 · wk-form4_1737148269.xml · derivative · entry 4

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,568

Underlying: Common Stock · 16,567 shares

Expires 2025-03-10

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.

F5 · derivative.exercise_date: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 10, 2016.

SEC source: 0001053507-25-000005 · wk-form4_1737148269.xml · nonDerivative · entry 3

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,792

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 13, 2024.

F4 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $181.41 to $181.73 per share.

SEC source: 0001053507-25-000005 · wk-form4_1737148269.xml · nonDerivative · entry 2

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,068

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 13, 2024.

F3 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $180.41 to $181.40 per share.

SEC source: 0001053507-25-000005 · wk-form4_1737148269.xml · nonDerivative · entry 1

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,359

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.

F1 · balance_after: Includes 119 shares acquired under the issuer's employee stock purchase plan in May 2024.

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.

SEC source: 0001053507-24-000124 · wk-form4_1727986296.xml · nonDerivative · entry 1

Dowling Ruth T · CIK 0001960785 · EVP, Chief Admin Ofr, GC & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,553

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 39 shares acquired under the issuer's employee stock purchase plan in May 2024.

SEC source: 0001053507-24-000123 · wk-form4_1726603465.xml · nonDerivative · entry 1

Goel Sanjay · CIK 0001852058 · EVP & President, Asia-Pacific

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,621

SEC source: 0001053507-24-000120 · wk-form4_1726171387.xml · derivative · entry 3

Noel Eugene M · CIK 0002000070 · EVP & President, U.S. Tower

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 33,135 shares

Expires 2025-03-10

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: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 10, 2016.

SEC source: 0001053507-24-000120 · wk-form4_1726171387.xml · nonDerivative · entry 2

Noel Eugene M · CIK 0002000070 · EVP & President, U.S. Tower

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,740

F2 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 9, 2024.

SEC source: 0001053507-24-000120 · wk-form4_1726171387.xml · nonDerivative · entry 1

Noel Eugene M · CIK 0002000070 · EVP & President, U.S. Tower

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,875

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.

F1 · balance_after: Includes 116 shares acquired under the issuer's employee stock purchase plan in May 2024.

SEC source: 0001053507-24-000115 · wk-form4_1725566917.xml · nonDerivative · entry 1

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,769

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

SEC source: 0001053507-24-000114 · wk-form4_1724876127.xml · nonDerivative · entry 3

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,758

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F4 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $227.17 to $227.77 per share.

SEC source: 0001053507-24-000114 · wk-form4_1724876127.xml · nonDerivative · entry 2

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,336

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F3 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $226.17 to $227.16 per share.

SEC source: 0001053507-24-000114 · wk-form4_1724876127.xml · nonDerivative · entry 1

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 47,475

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F2 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $225.14 to $226.11 per share.

SEC source: 0001053507-24-000113 · wk-form4_1722977531.xml · nonDerivative · entry 6

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 51,746

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F7 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $235.16 to $235.51 per share.

SEC source: 0001053507-24-000113 · wk-form4_1722977531.xml · nonDerivative · entry 5

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,142

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F6 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $233.91 to $234.77 per share.

SEC source: 0001053507-24-000113 · wk-form4_1722977531.xml · nonDerivative · entry 4

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,627

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F5 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $232.88 to $233.87 per share.

SEC source: 0001053507-24-000113 · wk-form4_1722977531.xml · nonDerivative · entry 3

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,475

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F4 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $231.85 to $232.83 per share.

SEC source: 0001053507-24-000113 · wk-form4_1722977531.xml · nonDerivative · entry 2

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,572

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

SEC source: 0001053507-24-000113 · wk-form4_1722977531.xml · nonDerivative · entry 1

Puech Olivier · CIK 0001754833 · EVP & President, LatAm & EMEA

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,602

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2024.

F2 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $228.94 to $229.26 per share.

F3 · balance_after: Includes 118 shares acquired under the issuer's employee stock purchase plan in May 2024.

SEC source: 0001053507-24-000111 · wk-form4_1722977285.xml · derivative · entry 3

Vondran Steven O · CIK 0001749304 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,537 shares

Expires 2025-03-10

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.

F2 · derivative.exercise_date: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 10, 2016.

SEC source: 0001053507-24-000111 · wk-form4_1722977285.xml · nonDerivative · entry 2

Vondran Steven O · CIK 0001749304 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,843

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2024.

SEC source: 0001053507-24-000111 · wk-form4_1722977285.xml · nonDerivative · entry 1

Vondran Steven O · CIK 0001749304 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,380

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.

SEC source: 0001053507-24-000109 · wk-form4_1722976957.xml · nonDerivative · entry 1

Goel Sanjay · CIK 0001852058 · EVP & President, Asia-Pacific

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,621

F1 · price: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $235.31 to $235.49 per share.

SEC source: 0001053507-24-000107 · wk-form4_1722976647.xml · nonDerivative · entry 1

Meyer Robert Joseph JR · CIK 0001363889 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,873

F1 · balance_after: Includes 118 shares acquired under the issuer's employee stock purchase plan in May 2024.

SEC source: 0001053507-24-000099 · wk-form4_1717704214.xml · nonDerivative · entry 1

Goel Sanjay · CIK 0001852058 · EVP & President, Asia-Pacific

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,413

SEC source: 0001053507-24-000098 · wk-form4_1717532058.xml · nonDerivative · entry 1

Meyer Robert Joseph JR · CIK 0001363889 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,936

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.

SEC source: 0001053507-24-000089 · wk-form4_1715112575.xml · nonDerivative · entry 1

HORMATS ROBERT D · CIK 0001029613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,332

SEC source: 0001053507-24-000086 · wk-form4_1714767175.xml · nonDerivative · entry 1

Bartlett Thomas A · CIK 0001315047 · Former Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,557

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.

SEC source: 0001053507-24-000088 · wk-form4_1714767423.xml · nonDerivative · entry 1

Smith Rodney M · CIK 0001807541 · EVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,673

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.