{"transactions":[{"id":4365577,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Restricted Stock Units","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-31","kind":"exercise","acquired":false,"shares":8532,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's common stock (\"Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The RSUs, representing a contingent right to receive a total of 25,623 shares of Common Stock, were granted to the Reporting Person on February 18, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date. In connection with the Reporting Person's resignation from the Issuer on March 31, 2017, the unvested portion of this RSU award became partially vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"The RSUs, representing a contingent right to receive a total of 25,623 shares of Common Stock, were granted to the Reporting Person on February 18, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date. In connection with the Reporting Person's resignation from the Issuer on March 31, 2017, the unvested portion of this RSU award became partially vested."}],"balance_after":8559,"derivative":{"underlying":"Common Stock","underlying_shares":8532},"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365576,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Restricted Stock Units","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-31","kind":"exercise","acquired":false,"shares":1936,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each RSU represents a contingent right to receive one share of the Issuer's common stock (\"Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The RSUs, representing a contingent right to receive a total of 5,794 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date. In connection with the Reporting Person's resignation from the Issuer on March 31, 2017, the unvested portion of this RSU award became fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The RSUs, representing a contingent right to receive a total of 5,794 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date. In connection with the Reporting Person's resignation from the Issuer on March 31, 2017, the unvested portion of this RSU award became fully vested."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1936},"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365575,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-02","kind":"exercise","acquired":false,"shares":8783,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This report is being filed late due to an administrative error by a third party broker firm that is the administrator of this transaction."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This stock option, representing a right to purchase a total of 26,296 shares, is fully vested. The number of stock options granted includes previously reported adjustments effective on September 26, 2014 made in connection with the Special Distribution."}],"balance_after":0,"derivative":{"exercise_price":24.8037,"expiration_date":"2024-02-13","underlying":"Common Stock","underlying_shares":8783},"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365574,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-02","kind":"exercise","acquired":false,"shares":11347,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This report is being filed late due to an administrative error by a third party broker firm that is the administrator of this transaction."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option, representing a right to purchase a total of 113,451 shares, is fully vested. The number of stock options granted includes previously reported adjustments effective on October 18, 2012 made in connection with a special dividend declared by the Board of Directors of the Issuer and on September 26, 2014 made in connection with the special distribution declared by the Board of Directors of the Issuer (the \"Special Distribution\")."}],"balance_after":0,"derivative":{"exercise_price":22.0356,"expiration_date":"2019-03-01","underlying":"Common Stock","underlying_shares":11347},"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365573,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-31","kind":"tax_withholding","acquired":false,"shares":430,"price":35.39,"value":15217.7,"ownership":{"direct":true},"balance_after":60944,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365572,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-31","kind":"exercise","acquired":true,"shares":8532,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"This acquisition is reported to reflect the partial vesting of RSUs previously granted to the Reporting Person on February 18, 2016."}],"balance_after":61374,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365571,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-31","kind":"tax_withholding","acquired":false,"shares":109,"price":35.39,"value":3857.51,"ownership":{"direct":true},"balance_after":52842,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365570,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-31","kind":"exercise","acquired":true,"shares":1936,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This acquisition is reported to reflect the partial vesting of restricted stock units (\"RSUs\") previously granted to the Reporting Person on February 19, 2015."}],"balance_after":52951,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365569,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-02","kind":"tax_withholding","acquired":false,"shares":6099,"price":36.32,"value":221515.68,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This report is being filed late due to an administrative error by a third party broker firm that is the administrator of this transaction."}],"balance_after":51015,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365568,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-02","kind":"exercise","acquired":true,"shares":8783,"price":24.8037,"value":217850.8971,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This report is being filed late due to an administrative error by a third party broker firm that is the administrator of this transaction."}],"balance_after":57114,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365567,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-02","kind":"tax_withholding","acquired":false,"shares":7054,"price":36.32,"value":256201.28,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This report is being filed late due to an administrative error by a third party broker firm that is the administrator of this transaction."}],"balance_after":48331,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4365566,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int."}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-04-03T23:15:52.000Z","date":"2017-03-02","kind":"exercise","acquired":true,"shares":11347,"price":22.0356,"value":250037.9532,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This report is being filed late due to an administrative error by a third party broker firm that is the administrator of this transaction."}],"balance_after":55385,"source":{"system":"sec-edgar","filing":"0001104659-17-021106","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917021106/a4.xml","form_type":"4"}},{"id":4428505,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Restricted Stock Units","published_at":"2017-02-24T02:36:23.000Z","date":"2017-02-21","kind":"exercise","acquired":false,"shares":8532,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock (\"Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The RSUs, representing a contingent right to receive a total of 25,623 shares of Common Stock, were granted to the Reporting Person on February 18, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The RSUs, representing a contingent right to receive a total of 25,623 shares of Common Stock, were granted to the Reporting Person on February 18, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":17091,"derivative":{"underlying":"Common Stock","underlying_shares":8532},"source":{"system":"sec-edgar","filing":"0001104659-17-011362","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917011362/a4.xml","form_type":"4"}},{"id":4428504,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Restricted Stock Units","published_at":"2017-02-24T02:36:23.000Z","date":"2017-02-21","kind":"exercise","acquired":false,"shares":1929,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock (\"Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs, representing a contingent right to receive a total of 5,794 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs, representing a contingent right to receive a total of 5,794 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":1936,"derivative":{"underlying":"Common Stock","underlying_shares":1929},"source":{"system":"sec-edgar","filing":"0001104659-17-011362","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917011362/a4.xml","form_type":"4"}},{"id":4428503,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-02-24T02:36:23.000Z","date":"2017-02-21","kind":"tax_withholding","acquired":false,"shares":238,"price":37.71,"value":8974.98,"ownership":{"direct":true},"balance_after":44038,"source":{"system":"sec-edgar","filing":"0001104659-17-011362","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917011362/a4.xml","form_type":"4"}},{"id":4428502,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-02-24T02:36:23.000Z","date":"2017-02-21","kind":"exercise","acquired":true,"shares":8532,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This acquisition is reported to reflect the partial vesting of RSUs previously granted to the Reporting Person on February 18, 2016."}],"balance_after":44276,"source":{"system":"sec-edgar","filing":"0001104659-17-011362","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917011362/a4.xml","form_type":"4"}},{"id":4428501,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-02-24T02:36:23.000Z","date":"2017-02-21","kind":"tax_withholding","acquired":false,"shares":65,"price":37.71,"value":2451.15,"ownership":{"direct":true},"balance_after":35744,"source":{"system":"sec-edgar","filing":"0001104659-17-011362","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917011362/a4.xml","form_type":"4"}},{"id":4428500,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-02-24T02:36:23.000Z","date":"2017-02-21","kind":"exercise","acquired":true,"shares":1929,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This acquisition is reported to reflect the partial vesting of restricted stock units (\"RSUs\") previously granted to the Reporting Person on February 19, 2015."}],"balance_after":35809,"source":{"system":"sec-edgar","filing":"0001104659-17-011362","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917011362/a4.xml","form_type":"4"}},{"id":4446419,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Restricted Stock Units","published_at":"2017-02-16T02:51:42.000Z","date":"2017-02-13","kind":"exercise","acquired":false,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock (\"Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs, representing a contingent right to receive a total of 8,907 shares of Common Stock, were granted to the Reporting Person on February 13, 2014 and have vested in full in three substantially equal annual installments the last of which was on February 13, 2017.  The number of RSUs granted includes previously reported RSUs allocated on November 4, 2014 in connection with the special distribution declared by the Board of Directors of Iron Mountain Incorporated on September 15, 2014 and paid on November 4, 2014."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs, representing a contingent right to receive a total of 8,907 shares of Common Stock, were granted to the Reporting Person on February 13, 2014 and have vested in full in three substantially equal annual installments the last of which was on February 13, 2017.  The number of RSUs granted includes previously reported RSUs allocated on November 4, 2014 in connection with the special distribution declared by the Board of Directors of Iron Mountain Incorporated on September 15, 2014 and paid on November 4, 2014."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2976},"source":{"system":"sec-edgar","filing":"0001104659-17-009718","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917009718/a4.xml","form_type":"4"}},{"id":4446418,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-02-16T02:51:42.000Z","date":"2017-02-13","kind":"tax_withholding","acquired":false,"shares":107,"price":37.49,"value":4011.43,"ownership":{"direct":true},"balance_after":33880,"source":{"system":"sec-edgar","filing":"0001104659-17-009718","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917009718/a4.xml","form_type":"4"}},{"id":4446417,"issuer":{"id":517,"kind":"organization","name":"IRON MOUNTAIN INC","symbol":"IRM"},"owners":[{"id":177355,"kind":"person","name":"Duale Marc A","position":1,"cik":"0001396523","reported_name":"Duale Marc A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Iron Mountain Int'l"}}],"security":"Common Stock, par value $.01 per share","published_at":"2017-02-16T02:51:42.000Z","date":"2017-02-13","kind":"exercise","acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This acquisition is reported to reflect the partial vesting of restricted stock units (\"RSUs\") previously granted to the Reporting Person on February 13, 2014."}],"balance_after":33987,"source":{"system":"sec-edgar","filing":"0001104659-17-009718","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1020569/000110465917009718/a4.xml","form_type":"4"}}]}