SEC Form 4 · accession 0001020569-18-000084

IRON MOUNTAIN INC · IRM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — EVP and CFO

Period of report

Jul 25, 2018

Accepted (ET)

Jul 27, 2018 · 4:10 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001020569

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock, par value $.01 per share^F1	Jul 25, 2018	M	1,458	$0.00	A	7,661	D
Common Stock, par value $.01 per share	Jul 25, 2018	F	429	$35.35	D	7,232	D
Common Stock, par value $.01 per share^F1	Jul 25, 2018	M	7,290	$0.00	A	14,522	D
Common Stock, par value $.01 per share	Jul 25, 2018	F	2,146	$35.35	D	12,376	D
Common Stock, par value $.01 per share	Jul 26, 2018	S	1,750	$35.38	D	10,626	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Restricted Stock Units^F3,F4	—	Jul 25, 2018	M	1,458	D	—	—	Common Stock	1,458	1,463	D
Restricted Stock Units^F3,F5	—	Jul 25, 2018	M	7,290	D	—	—	Common Stock	7,290	7,312	D

F1This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on July 25, 2016.
F2This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of June 18, 2018.
F3Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").
F4The RSUs, representing a contingent right to receive a total of 4,378 shares of Common Stock, were granted to the Reporting Person on July 25, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.
F5The RSUs, representing a contingent right to receive a total of 21,892 shares of Common Stock, were granted to the Reporting Person on July 25, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.