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IRON MOUNTAIN INC

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517
SEC CIK
0001020569
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910

Last 12 months

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1 purchase rows · 73 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
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MonthPurchasesSales
Nov 202514
Dec 202503
Jan 202603
Feb 202602
Mar 2026025
Apr 202602
May 202606
Jun 202606
Jul 202606
Aug 202606
Sep 202606
Oct 202604

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
February 19, 2021 Filed Feb 23, 2021 21:48 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Exercise / conversionRestricted Stock Units · Derivative 4,437 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000056 · wf-form4_161411686624451.xml · derivative · entry 5

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,876

Underlying: Common Stock · 4,437 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 13,313 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 13,313 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:48 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Tax withholdingCommon Stock, par value $.01 per share 1,219 $32.17 $39,215.23
Disclosure

SEC source: 0001020569-21-000056 · wf-form4_161411686624451.xml · nonDerivative · entry 2

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,820

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:48 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Exercise / conversionCommon Stock, par value $.01 per share 4,437 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000056 · wf-form4_161411686624451.xml · nonDerivative · entry 1

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,039

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 19, 2020.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:47 UTC
Kidd MarkEVP, GM Data Centers
Exercise / conversionRestricted Stock Units · Derivative 4,215 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000055 · wf-form4_161411679554295.xml · derivative · entry 5

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,432

Underlying: Common Stock · 4,215 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 12,647 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 12,647 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:47 UTC
Kidd MarkEVP, GM Data Centers
Tax withholdingCommon Stock, par value $.01 per share 1,237 $32.17 $39,794.29
Disclosure

SEC source: 0001020569-21-000055 · wf-form4_161411679554295.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,165

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:47 UTC
Kidd MarkEVP, GM Data Centers
Exercise / conversionCommon Stock, par value $.01 per share 4,215 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000055 · wf-form4_161411679554295.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,402

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 19, 2020.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:46 UTC
Borges DanielSVP & Chief Accounting Officer
Exercise / conversionRestricted Stock Units · Derivative 532 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000054 · wf-form4_161411673521550.xml · derivative · entry 5

Borges Daniel · CIK 0001720656 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,065

Underlying: Common Stock · 532 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 1,597 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 1,597 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:46 UTC
Borges DanielSVP & Chief Accounting Officer
Tax withholdingCommon Stock, par value $.01 per share 184 $32.17 $5,919.28
Disclosure

SEC source: 0001020569-21-000054 · wf-form4_161411673521550.xml · nonDerivative · entry 2

Borges Daniel · CIK 0001720656 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 924

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:46 UTC
Borges DanielSVP & Chief Accounting Officer
Exercise / conversionCommon Stock, par value $.01 per share 532 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000054 · wf-form4_161411673521550.xml · nonDerivative · entry 1

Borges Daniel · CIK 0001720656 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,108

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 19, 2020.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:43 UTC
Evens DeirdreEVP & GM, Rec and Info Mgmt NA
Exercise / conversionRestricted Stock Units · Derivative 4,437 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000052 · wf-form4_161411654577845.xml · derivative · entry 5

Evens Deirdre · CIK 0001401237 · EVP & GM, Rec and Info Mgmt NA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,876

Underlying: Common Stock · 4,437 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 13,313 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 13,313 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:43 UTC
Evens DeirdreEVP & GM, Rec and Info Mgmt NA
Tax withholdingCommon Stock, par value $.01 per share 1,292 $32.17 $41,563.64
Disclosure

SEC source: 0001020569-21-000052 · wf-form4_161411654577845.xml · nonDerivative · entry 2

Evens Deirdre · CIK 0001401237 · EVP & GM, Rec and Info Mgmt NA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,755

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:43 UTC
Evens DeirdreEVP & GM, Rec and Info Mgmt NA
Exercise / conversionCommon Stock, par value $.01 per share 4,437 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000052 · wf-form4_161411654577845.xml · nonDerivative · entry 1

Evens Deirdre · CIK 0001401237 · EVP & GM, Rec and Info Mgmt NA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,047

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 19, 2020.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:41 UTC
Hytinen BarryEVP and CFO
Exercise / conversionRestricted Stock Units · Derivative 7,544 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000051 · wf-form4_161411647361290.xml · derivative · entry 3

Hytinen Barry · CIK 0001613777 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,089

Underlying: Common Stock · 7,544 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 22,633 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 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 22,633 shares of Common Stock, were granted to the Reporting Person on February 19, 2020 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:41 UTC
Hytinen BarryEVP and CFO
Tax withholdingCommon Stock, par value $.01 per share 3,345 $32.17 $107,608.65
Disclosure

SEC source: 0001020569-21-000051 · wf-form4_161411647361290.xml · nonDerivative · entry 2

Hytinen Barry · CIK 0001613777 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,533

Read SEC document
February 19, 2021 Filed Feb 23, 2021 21:41 UTC
Hytinen BarryEVP and CFO
Exercise / conversionCommon Stock, par value $.01 per share 7,544 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000051 · wf-form4_161411647361290.xml · nonDerivative · entry 1

Hytinen Barry · CIK 0001613777 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,878

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 19, 2020.

Read SEC document
February 16, 2021 Filed Feb 18, 2021 19:54 UTC
MARSON DEBORAHEVP, General Counsel, Sec.
Exercise / conversionRestricted Stock Units · Derivative 1,486 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000033 · wf-form4_161369603571754.xml · derivative · entry 3

MARSON DEBORAH · CIK 0001691591 · EVP, General Counsel, Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,486 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 have vested in full.

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 have vested in full.

Read SEC document
February 16, 2021 Filed Feb 18, 2021 19:54 UTC
MARSON DEBORAHEVP, General Counsel, Sec.
Tax withholdingCommon Stock, par value $.01 per share 514 $32.97 $16,946.58
Disclosure

SEC source: 0001020569-21-000033 · wf-form4_161369603571754.xml · nonDerivative · entry 2

MARSON DEBORAH · CIK 0001691591 · EVP, General Counsel, Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,606

Read SEC document
February 16, 2021 Filed Feb 18, 2021 19:54 UTC
MARSON DEBORAHEVP, General Counsel, Sec.
Exercise / conversionCommon Stock, par value $.01 per share 1,486 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000033 · wf-form4_161369603571754.xml · nonDerivative · entry 1

MARSON DEBORAH · CIK 0001691591 · EVP, General Counsel, Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,120

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 16, 2021 Filed Feb 19, 2021 00:57 UTC
Meaney William LDirector · President and CEO
Exercise / conversionRestricted Stock Units · Derivative 24,515 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000036 · wf-form4_161369624024449.xml · derivative · entry 3

Meaney William L · CIK 0001566391 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,515 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 73,398 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 73,398 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:57 UTC
Meaney William LDirector · President and CEO
Tax withholdingCommon Stock, par value $.01 per share 7,210 $32.97 $237,713.70
Disclosure

SEC source: 0001020569-21-000036 · wf-form4_161369624024449.xml · nonDerivative · entry 2

Meaney William L · CIK 0001566391 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,598

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:57 UTC
Meaney William LDirector · President and CEO
Exercise / conversionCommon Stock, par value $.01 per share 24,515 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000036 · wf-form4_161369624024449.xml · nonDerivative · entry 1

Meaney William L · CIK 0001566391 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 212,808

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 16, 2021 Filed Feb 19, 2021 00:55 UTC
Borges DanielSVP & Chief Accounting Officer
Exercise / conversionRestricted Stock Units · Derivative 880 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000034 · wf-form4_161369613150087.xml · derivative · entry 3

Borges Daniel · CIK 0001720656 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 880 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 2,634 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 2,634 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:55 UTC
Borges DanielSVP & Chief Accounting Officer
Tax withholdingCommon Stock, par value $.01 per share 304 $33.00 $10,032.00
Disclosure

SEC source: 0001020569-21-000034 · wf-form4_161369613150087.xml · nonDerivative · entry 2

Borges Daniel · CIK 0001720656 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 576

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:55 UTC
Borges DanielSVP & Chief Accounting Officer
Exercise / conversionCommon Stock, par value $.01 per share 880 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000034 · wf-form4_161369613150087.xml · nonDerivative · entry 1

Borges Daniel · CIK 0001720656 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 880

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 16, 2021 Filed Feb 19, 2021 00:52 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Exercise / conversionRestricted Stock Units · Derivative 2,080 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000032 · wf-form4_161369593790002.xml · derivative · entry 3

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,080 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 6,227 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 6,227 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:52 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Tax withholdingCommon Stock, par value $.01 per share 571 $32.97 $18,825.87
Disclosure

SEC source: 0001020569-21-000032 · wf-form4_161369593790002.xml · nonDerivative · entry 2

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,602

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:52 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Exercise / conversionCommon Stock, par value $.01 per share 2,080 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000032 · wf-form4_161369593790002.xml · nonDerivative · entry 1

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,173

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 16, 2021 Filed Feb 19, 2021 00:56 UTC
Evens DeirdreEVP & GM, Rec and Info Mgmt NA
Exercise / conversionRestricted Stock Units · Derivative 2,080 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000035 · wf-form4_161369618142005.xml · derivative · entry 3

Evens Deirdre · CIK 0001401237 · EVP & GM, Rec and Info Mgmt NA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,080 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 6,227 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 6,227 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:56 UTC
Evens DeirdreEVP & GM, Rec and Info Mgmt NA
Tax withholdingCommon Stock, par value $.01 per share 720 $32.97 $23,738.40
Disclosure

SEC source: 0001020569-21-000035 · wf-form4_161369618142005.xml · nonDerivative · entry 2

Evens Deirdre · CIK 0001401237 · EVP & GM, Rec and Info Mgmt NA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,610

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:56 UTC
Evens DeirdreEVP & GM, Rec and Info Mgmt NA
Exercise / conversionCommon Stock, par value $.01 per share 2,080 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000035 · wf-form4_161369618142005.xml · nonDerivative · entry 1

Evens Deirdre · CIK 0001401237 · EVP & GM, Rec and Info Mgmt NA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,330

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 16, 2021 Filed Feb 19, 2021 00:50 UTC
Cloutier Ernest WEVP & GM, RIM
Exercise / conversionRestricted Stock Units · Derivative 2,229 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000030 · wf-form4_161369581171123.xml · derivative · entry 3

Cloutier Ernest W · CIK 0001291613 · EVP & GM, RIM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,229 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 6,672 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

F3 · derivative.expiration_date: The RSUs, representing a contingent right to receive a total of 6,672 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:50 UTC
Cloutier Ernest WEVP & GM, RIM
Tax withholdingCommon Stock, par value $.01 per share 772 $32.97 $25,452.84
Disclosure

SEC source: 0001020569-21-000030 · wf-form4_161369581171123.xml · nonDerivative · entry 2

Cloutier Ernest W · CIK 0001291613 · EVP & GM, RIM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,706

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:50 UTC
Cloutier Ernest WEVP & GM, RIM
Exercise / conversionCommon Stock, par value $.01 per share 2,229 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000030 · wf-form4_161369581171123.xml · nonDerivative · entry 1

Cloutier Ernest W · CIK 0001291613 · EVP & GM, RIM

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,478

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.

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February 16, 2021 Filed Feb 19, 2021 00:51 UTC
Kidd MarkEVP, GM Data Centers
Exercise / conversionRestricted Stock Units · Derivative 1,486 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000031 · wf-form4_161369587333453.xml · derivative · entry 6

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,486 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 4,448 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full.

F5 · 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 have vested in full.

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February 16, 2021 Filed Feb 19, 2021 00:51 UTC
Kidd MarkEVP, GM Data Centers
Exercise / conversionRestricted Stock Units · Derivative 3,378 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000031 · wf-form4_161369587333453.xml · derivative · entry 5

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,378 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 have vested in full.

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 have vested in full.

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February 16, 2021 Filed Feb 19, 2021 00:51 UTC
Kidd MarkEVP, GM Data Centers
Tax withholdingCommon Stock, par value $.01 per share 514 $32.97 $16,946.58
Disclosure

SEC source: 0001020569-21-000031 · wf-form4_161369587333453.xml · nonDerivative · entry 4

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,187

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:51 UTC
Kidd MarkEVP, GM Data Centers
Exercise / conversionCommon Stock, par value $.01 per share 1,486 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000031 · wf-form4_161369587333453.xml · nonDerivative · entry 3

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,701

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.

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February 16, 2021 Filed Feb 19, 2021 00:51 UTC
Kidd MarkEVP, GM Data Centers
Tax withholdingCommon Stock, par value $.01 per share 1,022 $32.97 $33,695.34
Disclosure

SEC source: 0001020569-21-000031 · wf-form4_161369587333453.xml · nonDerivative · entry 2

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,215

Read SEC document
February 16, 2021 Filed Feb 19, 2021 00:51 UTC
Kidd MarkEVP, GM Data Centers
Exercise / conversionCommon Stock, par value $.01 per share 3,378 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000031 · wf-form4_161369587333453.xml · nonDerivative · entry 1

Kidd Mark · CIK 0001732058 · EVP, GM Data Centers

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,237

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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January 27, 2021 Filed Jan 29, 2021 21:08 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 46,014 $0.00 Strike: $29.27 $0.00
Disclosure

SEC source: 0001020569-21-000022 · wf-form4_161195451326789.xml · derivative · entry 3

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 46,014 shares

Expires 2026-02-18

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 stock option, representing a right to purchase a total of 46,014 shares, is fully vested.

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January 27, 2021 Filed Jan 29, 2021 21:08 UTC
Tomovcsik JohnEVP, Chief Operating Officer
SaleCommon Stock, par value $.01 per share 46,014 $39.27 $1,806,969.78
Disclosure

SEC source: 0001020569-21-000022 · wf-form4_161195451326789.xml · nonDerivative · entry 2

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,093

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of November 23, 2020.

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January 27, 2021 Filed Jan 29, 2021 21:08 UTC
Tomovcsik JohnEVP, Chief Operating Officer
Exercise / conversionCommon Stock, par value $.01 per share 46,014 $29.27 $1,346,829.78
Disclosure

SEC source: 0001020569-21-000022 · wf-form4_161195451326789.xml · nonDerivative · entry 1

Tomovcsik John · CIK 0001595956 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,107

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.

Read SEC document
January 12, 2021 Filed Jan 14, 2021 02:10 UTC
Simons DoyleDirector
GrantPhantom Stock · Derivative 912.8963 $28.05 $25,606.47
Disclosure

SEC source: 0001020569-21-000020 · wf-form4_161059022911922.xml · derivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,522.2675

Underlying: Common Stock · 912.8963 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · shares: These shares give effect to the Reporting Person's quarterly cash compensation for services on the Iron Mountain Incorporated board of directors as if reinvested in Phantom Shares.

F1 · derivative.exercise_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F1 · derivative.expiration_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · derivative.underlying_shares: These shares give effect to the Reporting Person's quarterly cash compensation for services on the Iron Mountain Incorporated board of directors as if reinvested in Phantom Shares.

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January 06, 2021 Filed Jan 9, 2021 01:21 UTC
Simons DoyleDirector
GrantPhantom Stock · Derivative 276.8014 $29.79 $8,246.22
Disclosure

SEC source: 0001020569-21-000018 · wf-form4_161015529128124.xml · derivative · entry 1

Simons Doyle · CIK 0001185922 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,609.3712

Underlying: Common Stock · 276.8014 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · shares: These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares.

F1 · derivative.exercise_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F1 · derivative.expiration_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

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January 06, 2021 Filed Jan 9, 2021 01:20 UTC GrantPhantom Stock · Derivative 1,295.8107 $29.79 $38,603.63
Disclosure

SEC source: 0001020569-21-000017 · wf-form4_161015523997149.xml · derivative · entry 1

BAILEY CLARK H · CIK 0001183331 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,707.6626

Underlying: Common Stock · 1,295.8107 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · shares: These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares.

F1 · derivative.exercise_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F1 · derivative.expiration_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

Read SEC document
January 06, 2021 Filed Jan 9, 2021 01:20 UTC GrantPhantom Stock · Derivative 81.8237 $29.79 $2,437.62
Disclosure

SEC source: 0001020569-21-000016 · wf-form4_161015518928957.xml · derivative · entry 1

Matlock Robin · CIK 0001781215 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,022.9911

Underlying: Common Stock · 81.8237 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · shares: These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares.

F1 · derivative.exercise_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

F1 · derivative.expiration_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

Read SEC document
January 06, 2021 Filed Jan 9, 2021 01:19 UTC GrantPhantom Stock · Derivative 1,188.5741 $29.79 $35,408.93
Disclosure

SEC source: 0001020569-21-000015 · wf-form4_161015513685215.xml · derivative · entry 1

VERRECCHIA ALFRED J · CIK 0001214978 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,438.2127

Underlying: Common Stock · 1,188.5741 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · shares: These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares.

F1 · derivative.exercise_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

F1 · derivative.expiration_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of Common Stock.

Read SEC document
January 06, 2021 Filed Jan 9, 2021 01:18 UTC GrantPhantom Stock · Derivative 796.8124 $29.79 $23,737.92
Disclosure

SEC source: 0001020569-21-000014 · wf-form4_161015507692070.xml · derivative · entry 1

HALVORSEN KRIS · CIK 0001184214 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,333.4255

Underlying: Common Stock · 796.8124 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

F2 · shares: These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares.

F1 · derivative.exercise_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

F1 · derivative.expiration_date: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

Read SEC document
January 04, 2021 Filed Jan 6, 2021 02:41 UTC GrantRestricted Stock Units · Derivative 26,168 $0.00 $0.00
Disclosure

SEC source: 0001020569-21-000005 · wf-form4_160990087851718.xml · derivative · entry 1

Baker-Greene Edward · CIK 0001645452 · EVP, CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,168

Underlying: Common Stock · 26,168 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F2 · 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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January 04, 2021 Filed Jan 6, 2021 02:42 UTC Exercise / conversionPhantom Stock · Derivative 1,843.1703 Not disclosed Not disclosed
Disclosure

SEC source: 0001020569-21-000006 · wf-form4_160990091678404.xml · derivative · entry 3

HALVORSEN KRIS · CIK 0001184214 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,536.6131

Underlying: Common Stock · 1,843.1703 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.

F1 · derivative.exercise_price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock ("Phantom Shares") are payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

F3 · shares: Settlement of the Phantom Shares is in an equivalent number of whole shares of Common Stock and cash in lieu of the issuance of a fractional share of Common Stock.

F1 · price: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock ("Phantom Shares") are payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock.

F4 · derivative.exercise_date: Settlement of the Phantom Shares is made in accordance with distribution elections made by the Reporting Person or as otherwise provided in the Plan.

F4 · derivative.expiration_date: Settlement of the Phantom Shares is made in accordance with distribution elections made by the Reporting Person or as otherwise provided in the Plan.

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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.