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Kidd Mark

Disclosed activity across 1 company

Tapewire entity
518
SEC CIK
0001732058

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
IRON MOUNTAIN INCIRM · Entity 517EVP, GM Data Centers & ALMSeptember 01, 2026September 02, 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.

IRON MOUNTAIN INC

Report date September 01, 2026 · Filed September 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock, par value $.01 per shareSEC Table I · non-derivativeDirect95,507 Reported balance After 2026-09-01 transaction · row 1
1 source row

Row 1 · 2026-09-01 · Sale · Disposed 6,000 · Balance 95,507

F1: The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 20, 2025.

Filing footnotes · ownership attribution and instrument terms

F1: The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 20, 2025.

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
February 18, 2020 Filed Feb 20, 2020 21:21 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 489 $34.06 $16,655.34
Disclosure

SEC source: 0001020569-20-000058 · wf-form4_158223368752344.xml · nonDerivative · entry 6

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,605

Read SEC document
February 18, 2020 Filed Feb 20, 2020 21:21 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 1,481 $0.00 $0.00
Disclosure

SEC source: 0001020569-20-000058 · wf-form4_158223368752344.xml · nonDerivative · entry 5

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,094

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 · shares: This acquisition is reported to reflect the partial vesting of RSUs previously granted to the Reporting Person on February 15, 2018.

Read SEC document
February 18, 2020 Filed Feb 20, 2020 21:21 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 199 $34.06 $6,777.94
Disclosure

SEC source: 0001020569-20-000058 · wf-form4_158223368752344.xml · nonDerivative · entry 4

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,613

Read SEC document
February 18, 2020 Filed Feb 20, 2020 21:21 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 678 $0.00 $0.00
Disclosure

SEC source: 0001020569-20-000058 · wf-form4_158223368752344.xml · nonDerivative · entry 3

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,812

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 16, 2017.

Read SEC document
February 18, 2020 Filed Feb 20, 2020 21:21 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 484 $34.06 $16,485.04
Disclosure

SEC source: 0001020569-20-000058 · wf-form4_158223368752344.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,134

Read SEC document
February 18, 2020 Filed Feb 20, 2020 21:21 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 1,689 $0.00 $0.00
Disclosure

SEC source: 0001020569-20-000058 · wf-form4_158223368752344.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,618

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 16, 2017.

Read SEC document
February 13, 2020 Filed Feb 19, 2020 02:28 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantPerformance Units · Derivative 1,187 $0.00 $0.00
Disclosure

SEC source: 0001020569-20-000047 · wf-form4_158207929165842.xml · derivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,187

Underlying: Common Stock · 1,187 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Performance Unit ("PU") represents a contingent right to receive one share of Iron Mountain Incorporated common stock.

F2 · shares: The PUs were initially granted to the Reporting Person on February 16, 2017. This Form 4 is being filed to reflect the determination by the Compensation Committee of Iron Mountain Incorporated's Board of Directors, effective as of February 13, 2020, of the actual award of PUs under the grant after completion of the relevant performance period.

F3 · derivative.exercise_date: The PUs were initially granted to the Reporting Person on February 16, 2017 and fully vest on February 16, 2020.

F3 · derivative.expiration_date: The PUs were initially granted to the Reporting Person on February 16, 2017 and fully vest on February 16, 2020.

Read SEC document
March 11, 2019 Filed Mar 13, 2019 20:55 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 691 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000107 · wf-form4_155251049414326.xml · derivative · entry 3

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 691 shares

Expires not disclosed

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_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 2,066 shares of Common Stock, were granted to the Reporting Person on March 9, 2016 and have vested in full.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 2,066 shares of Common Stock, were granted to the Reporting Person on March 9, 2016 and have vested in full.

Read SEC document
March 11, 2019 Filed Mar 13, 2019 20:55 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 203 $34.98 $7,100.94
Disclosure

SEC source: 0001020569-19-000107 · wf-form4_155251049414326.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,929

Read SEC document
March 11, 2019 Filed Mar 13, 2019 20:55 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 691 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000107 · wf-form4_155251049414326.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,132

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 9, 2016.

Read SEC document
February 20, 2019 Filed Feb 22, 2019 21:08 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantRestricted Stock Units · Derivative 6,718 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000097 · wf-form4_155086970200558.xml · derivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,718

Underlying: Common Stock · 6,718 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Iron Mountain Incorporated common stock.

F3 · derivative.exercise_date: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 20, 2019 Filed Feb 22, 2019 21:08 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantEmployee Stock Option (Right to Buy) · Derivative 33,483 $0.00 Strike: $35.72 $0.00
Disclosure

SEC source: 0001020569-19-000097 · wf-form4_155086970200558.xml · derivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,483

Underlying: Common Stock · 33,483 shares

Expires 2029-02-20

F1 · derivative.exercise_date: This stock option becomes exercisable in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionPerformance Units · Derivative 1,144 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · derivative · entry 9

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,144 shares

Expires not disclosed

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.

F6 · derivative.exercise_price: Each PU represents a contingent right to receive one share of Common Stock.

F7 · derivative.exercise_date: The PUs were initially granted to the Reporting Person on February 18, 2016. Effective February 14, 2019, the Compensation Committee determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested in full on February 18, 2019.

F7 · derivative.expiration_date: The PUs were initially granted to the Reporting Person on February 18, 2016. Effective February 14, 2019, the Compensation Committee determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested in full on February 18, 2019.

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 675 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · derivative · entry 8

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 678

Underlying: Common Stock · 675 shares

Expires not disclosed

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_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F5 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 2,027 shares of Common Stock, were granted to the Reporting Person on February 16, 2017 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 2,027 shares of Common Stock, were granted to the Reporting Person on February 16, 2017 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 1,689 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · derivative · entry 7

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,067

Underlying: Common Stock · 1,689 shares

Expires not disclosed

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_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F4 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 6,756 shares of Common Stock, were granted to the Reporting Person on February 16, 2017 and vest 25% on the second anniversary of the grant date, 25% on the third anniversary of the grant date and 50% on the fourth anniversary of the grant date.

F4 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 6,756 shares of Common Stock, were granted to the Reporting Person on February 16, 2017 and vest 25% on the second anniversary of the grant date, 25% on the third anniversary of the grant date and 50% on the fourth anniversary of the grant date.

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 374 $35.39 $13,235.86
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · nonDerivative · entry 6

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,441

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 1,144 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · nonDerivative · entry 5

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,815

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 · shares: This acquisition is reported to reflect the full vesting of performance units ("PUs") previously granted to the Reporting Person on February 18, 2016. Effective February 14, 2019, the Compensation Committee of Iron Mountain Incorporated's Board of Directors (the "Compensation Committee") determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested in full on February 18, 2019.

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 198 $35.39 $7,007.22
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · nonDerivative · entry 4

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,671

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 675 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · nonDerivative · entry 3

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,869

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 · shares: This acquisition is reported to reflect the partial vesting of RSUs previously granted to the Reporting Person on February 16, 2017.

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 483 $35.39 $17,093.37
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,194

Read SEC document
February 19, 2019 Filed Feb 22, 2019 00:01 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 1,689 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000083 · wf-form4_155079366346301.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,677

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 · shares: This acquisition is reported to reflect the partial vesting of RSUs previously granted to the Reporting Person on February 16, 2017.

Read SEC document
February 15, 2019 Filed Feb 21, 2019 01:43 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 1,481 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000065 · wf-form4_155071341678705.xml · derivative · entry 3

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,967

Underlying: Common Stock · 1,481 shares

Expires not disclosed

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_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 4,448 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 4,448 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 15, 2019 Filed Feb 21, 2019 01:43 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 513 $35.12 $18,016.56
Disclosure

SEC source: 0001020569-19-000065 · wf-form4_155071341678705.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,988

Read SEC document
February 15, 2019 Filed Feb 21, 2019 01:43 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 1,481 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000065 · wf-form4_155071341678705.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,501

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 15, 2018.

Read SEC document
February 14, 2019 Filed Feb 19, 2019 22:43 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantPerformance Units · Derivative 1,144 $0.00 $0.00
Disclosure

SEC source: 0001020569-19-000034 · wf-form4_155061618691306.xml · derivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,144

Underlying: Common Stock · 1,144 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Performance Unit ("PU") represents a contingent right to receive one share of Iron Mountain Incorporated common stock.

F2 · shares: The PUs were initially granted to the Reporting Person on February 18, 2016. This Form 4 is being filed to reflect the determination by the Compensation Committee of Iron Mountain Incorporated's Board of Directors, effective as of February 14, 2019, of the actual award of PUs under the grant after completion of the relevant performance period.

F3 · derivative.exercise_date: The PUs were initially granted to the Reporting Person on February 18, 2016 and fully vest on February 18, 2019.

F3 · derivative.expiration_date: The PUs were initially granted to the Reporting Person on February 18, 2016 and fully vest on February 18, 2019.

Read SEC document
March 09, 2018 Filed Mar 13, 2018 21:13 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 688 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000032 · wf-form4_152097561595296.xml · derivative · entry 3

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 691

Underlying: Common Stock · 688 shares

Expires not disclosed

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_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 2,066 shares of Common Stock, were granted to the Reporting Person on March 9, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 2,066 shares of Common Stock, were granted to the Reporting Person on March 9, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
March 09, 2018 Filed Mar 13, 2018 21:13 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 209 $33.25 $6,949.25
Disclosure

SEC source: 0001020569-18-000032 · wf-form4_152097561595296.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,020

Read SEC document
March 09, 2018 Filed Mar 13, 2018 21:13 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 688 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000032 · wf-form4_152097561595296.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,229

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 9, 2016.

Read SEC document
February 20, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 538 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · derivative · entry 7

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 538 shares

Expires not disclosed

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.

F6 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Common Stock.

F7 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 1,609 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and have fully vested.

F7 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 1,609 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and have fully vested.

Read SEC document
February 20, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionPerformance Units · Derivative 627 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · derivative · entry 6

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 627 shares

Expires not disclosed

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_price: Each PU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F5 · derivative.exercise_date: The PUs were initially granted to the Reporting Person on February 19, 2015 and fully vested on February 20, 2018.

F5 · derivative.expiration_date: The PUs were initially granted to the Reporting Person on February 19, 2015 and fully vested on February 20, 2018.

Read SEC document
February 20, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 186 $32.12 $5,974.32
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · nonDerivative · entry 4

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,541

Read SEC document
February 20, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 538 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · nonDerivative · entry 3

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,727

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 19, 2015.

Read SEC document
February 20, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 217 $32.12 $6,970.04
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,189

Read SEC document
February 20, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 627 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,406

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 · shares: This transaction is being reported to reflect the full vesting of performance units ("PUs") initially granted to the Reporting Person on February 19, 2015. Effective February 16, 2018, the Compensation Committee of Iron Mountain Incorporated's Board of Directors (the "Compensation Committee") determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested on February 20, 2018.

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February 16, 2018 Filed Feb 21, 2018 02:06 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionRestricted Stock Units · Derivative 674 $0.00 $0.00
Disclosure

SEC source: 0001104659-18-010893 · a4.xml · derivative · entry 5

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,353

Underlying: Common Stock · 674 shares

Expires not disclosed

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_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F5 · derivative.exercise_date: The RSUs, representing a contingent right to receive a total of 2,027 shares of Common Stock, were granted to the Reporting Person on February 16, 2017 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 2,027 shares of Common Stock, were granted to the Reporting Person on February 16, 2017 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

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February 16, 2018 Filed Feb 21, 2018 02:06 UTC IRON MOUNTAIN INC IRM · Entity 517 Tax withholdingCommon Stock, par value $.01 per share 234 $33.17 $7,761.78
Disclosure

SEC source: 0001104659-18-010893 · a4.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,779

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February 16, 2018 Filed Feb 21, 2018 02:06 UTC IRON MOUNTAIN INC IRM · Entity 517 Exercise / conversionCommon Stock, par value $.01 per share 674 $0.00 $0.00
Disclosure

SEC source: 0001104659-18-010893 · a4.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,013

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 · shares: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 16, 2017.

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February 16, 2018 Filed Feb 22, 2018 22:31 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantPerformance Units · Derivative 627 $0.00 $0.00
Disclosure

SEC source: 0001020569-18-000017 · wf-form4_151933866185361.xml · derivative · entry 5

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 627

Underlying: Common Stock · 627 shares

Expires not disclosed

F3 · derivative.exercise_price: Each PU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F4 · kind: The PUs were initially granted to the Reporting Person on February 19, 2015, and effective February 16, 2018 the Compensation Committee determined the actual award of PUs under the grant after completion of the relevant performance period.

F5 · derivative.exercise_date: The PUs were initially granted to the Reporting Person on February 19, 2015 and fully vested on February 20, 2018.

F5 · derivative.expiration_date: The PUs were initially granted to the Reporting Person on February 19, 2015 and fully vested on February 20, 2018.

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February 15, 2018 Filed Feb 21, 2018 02:06 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantRestricted Stock Units · Derivative 4,448 $0.00 $0.00
Disclosure

SEC source: 0001104659-18-010893 · a4.xml · derivative · entry 4

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,448

Underlying: Common Stock · 4,448 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F4 · derivative.exercise_date: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

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February 15, 2018 Filed Feb 21, 2018 02:06 UTC IRON MOUNTAIN INC IRM · Entity 517 GrantEmployee Stock Option (Right to Buy) · Derivative 63,605 $0.00 Strike: $33.72 $0.00
Disclosure

SEC source: 0001104659-18-010893 · a4.xml · derivative · entry 3

Kidd Mark · CIK 0001732058 · SVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,605

Underlying: Common Stock · 63,605 shares

Expires 2028-02-15

F2 · derivative.exercise_date: This stock option becomes exercisable in three substantially equal annual installments beginning on the first anniversary of the grant 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.