IRM SEC Filing News — Iron Mountain Incorporated

Latest SEC filings for Iron Mountain Incorporated (IRM) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-10-08.

Iron Mountain Incorporated is trusted by more than 240,000 customers in 61 countries, including approximately 95% of the Fortune 1000, to help unlock value and intelligence from their assets through services that transcend the physical and digital worlds. Our broad range of solutions address their information management, digital transformation, information security, data center and asset lifecycle management needs. Iron Mountain Incorporated is based in Portsmouth, New Hampshire. Iron Mountain I…
Sector: Real Estate Industry: REIT - Specialty Market Cap: $33.3B CIK: 1020569
12
Total Filings
0
Bullish Classifications
5
Bearish Classifications
8
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Rule-based classifications for IRM currently lean bearish. Of the 12 filing records displayed, 5 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
IRM Filing Activity Snapshot 2026-09-01 — 2026-10-08
Insider Transactions (Form 4)
0 buys vs 5 sells
Net insider selling in this period — insiders sell for many reasons beyond conviction.
Largest Form 144 Filing
$4.45M
Meaney William L · 2026-09-01
38,474 shares · Form 144
Form 144 Notices
4
Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Insider Transactions 8 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 8 filings in this group are Form 4s for Iron Mountain Incorporated.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 8 insider filings shown, the breakdown is 5 open-market sale and 3 compensation award. 5 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Open-market sale ×5
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Compensation award ×3
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Form 4 Compensation award Tax / Compensation Filing 2026-10-08

IRM insider Form 4 filed for equity award, exercise, or tax withholding

Samuels Theodore R. II (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Phantom Stock 310 $116.75 $36.2K
Filing: Form 4 (Insider Transaction) Insider: Samuels Theodore R. II (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-10-05

IRM insider Form 4 filed for equity award, exercise, or tax withholding

Simons Doyle (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Phantom Stock 350 $113.92 $39.9K
Filing: Form 4 (Insider Transaction) Insider: Simons Doyle (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-10-05

IRM insider Form 4 filed for equity award, exercise, or tax withholding

Samuels Theodore R. II (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award derivative · Phantom Stock 104 $113.92 $11.8K
Filing: Form 4 (Insider Transaction) Insider: Samuels Theodore R. II (Director)
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-10-05

IRM insider Meaney William L (Director, President and CEO) sold 38,474 shares (~$4.25M)

Meaney William L, listed as Director, President and CEO at IRON MOUNTAIN INC, reported an open-market sale of 38,474 IRM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 38,474 $37.00 $1.42M
S Open-market sale 13,358 $109.57 $1.46M
S Open-market sale 10,808 $110.56 $1.19M
S Open-market sale 14,308 $111.18 $1.59M
M Option exercise derivative · Employee Stock Option (Right to Buy) 38,474 — —
Filing: Form 4 (Insider Transaction) Insider: Meaney William L (Director, President and CEO) Shares: 38,474 Est. Value: $4.25M
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-10-05

IRM insider McIntosh Greg W (EVP, Chief Commercial Officer) sold 5,000 shares (~$553.6K)

McIntosh Greg W, listed as EVP, Chief Commercial Officer at IRON MOUNTAIN INC, reported an open-market sale of 5,000 IRM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 5,000 $110.72 $553.6K
Filing: Form 4 (Insider Transaction) Insider: McIntosh Greg W (EVP, Chief Commercial Officer) Shares: 5,000 Est. Value: $553.6K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-02

IRM insider Meaney William L (Director, President and CEO) sold 38,474 shares (~$4.39M)

Meaney William L, listed as Director, President and CEO at IRON MOUNTAIN INC, reported an open-market sale of 38,474 IRM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 38,474 $37.00 $1.42M
S Open-market sale 11,332 $113.45 $1.29M
S Open-market sale 20,952 $114.14 $2.39M
S Open-market sale 6,101 $115.00 $701.6K
S Open-market sale 89 $116.00 $10.3K
M Option exercise derivative · Employee Stock Option (Right to Buy) 38,474 — —
Filing: Form 4 (Insider Transaction) Insider: Meaney William L (Director, President and CEO) Shares: 38,474 Est. Value: $4.39M
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-02

IRM insider McIntosh Greg W (EVP, Chief Commercial Officer) sold 5,000 shares (~$578.0K)

McIntosh Greg W, listed as EVP, Chief Commercial Officer at IRON MOUNTAIN INC, reported an open-market sale of 5,000 IRM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 5,000 $115.60 $578.0K
Filing: Form 4 (Insider Transaction) Insider: McIntosh Greg W (EVP, Chief Commercial Officer) Shares: 5,000 Est. Value: $578.0K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-02

IRM insider Kidd Mark (EVP, GM Data Centers & ALM) sold 6,000 shares (~$693.6K)

Kidd Mark, listed as EVP, GM Data Centers & ALM at IRON MOUNTAIN INC, reported an open-market sale of 6,000 IRM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 6,000 $115.60 $693.6K
Filing: Form 4 (Insider Transaction) Insider: Kidd Mark (EVP, GM Data Centers & ALM) Shares: 6,000 Est. Value: $693.6K
View on SEC EDGAR → Open Filing Document →
Proposed Insider Sales 4 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Iron Mountain Incorporated has 4 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-10-01

IRM Form 144 filed for proposed insider sale by McIntosh Greg W (5,000 shares) ~$553.6K

McIntosh Greg W filed a Form 144 with the SEC indicating intent to sell IRM (IRON MOUNTAIN INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: McIntosh Greg W Shares: 5,000 Est. Value: $553.6K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-10-01

IRM Form 144 filed for proposed insider sale by Meaney William L (38,474 shares) ~$4.26M

Meaney William L filed a Form 144 with the SEC indicating intent to sell IRM (IRON MOUNTAIN INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Meaney William L Shares: 38,474 Est. Value: $4.26M
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-01

IRM Form 144 filed for proposed insider sale by McIntosh Greg W (5,000 shares) ~$578.0K

McIntosh Greg W filed a Form 144 with the SEC indicating intent to sell IRM (IRON MOUNTAIN INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: McIntosh Greg W Shares: 5,000 Est. Value: $578.0K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-01

IRM Form 144 filed for proposed insider sale by Meaney William L (38,474 shares) ~$4.45M

Meaney William L filed a Form 144 with the SEC indicating intent to sell IRM (IRON MOUNTAIN INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Meaney William L Shares: 38,474 Est. Value: $4.45M
View on SEC EDGAR → Open Filing Document →

How we classify Iron Mountain Incorporated's filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on IRM. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — IRM SEC Filings

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Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
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