McIntosh Greg W 4

4 · IRON MOUNTAIN INC · Filed Feb 18, 2026

AI-generated summary of this filing

Updated Feb 18, 2026

Iron Mountain (IRM) EVP Greg McIntosh Receives Award of 87,960 Units

What Happened

Greg W. McIntosh, EVP, CCO & GM, Global RM of Iron Mountain (IRM), was granted 87,960 performance units (PUs) on Feb 16, 2026. The Form 4 reports the award as a derivative grant at $0.00 (transaction code A — Award/Grant). This is a compensation award, not an open‑market purchase or sale.

Key Details

Transaction date and price: Feb 16, 2026; 87,960 PUs @ $0.00 (derivative award).
Filing date: Form 4 filed Feb 18, 2026 reporting the Feb 16 determination.
Shares owned after transaction: Not specified in the provided filing excerpt.
Notable footnotes:
- F1: Each Performance Unit represents a contingent right to receive one share of Iron Mountain common stock.
- F2: PUs were initially granted to McIntosh on March 1, 2023; this filing reflects the Compensation Committee’s determination of the actual award effective Feb 16, 2026 after the performance period.
- F3: The PUs will fully vest on March 1, 2026.
Transaction type: derivative compensation award (code A). No sale or purchase was executed.

Context

Performance units are contingent awards tied to company performance and vesting conditions; they convert to shares only if and when the performance and vesting conditions are satisfied. This filing documents the committee’s award determination rather than a cash transaction or market trade.

Form 4

Period: 2026-02-16

EVP, Chief Commercial Officer

Transactions

Award
Performance Units
[F1][F2][F3]
2026-02-16+87,960→ 123,144 total
→ Common Stock, par value $.01 per share (87,960 underlying)

Footnotes (3)

[F1]Each Performance Unit ("PU") represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").
[F2]The PUs were initially granted to the Reporting Person on March 1, 2023. This Form 4 is being filed to reflect the determination by the Compensation Committee, effective as of February 16, 2026, of the actual award of PUs under the grant after completion of the relevant performance period.
[F3]The PU were initially granted to the Reporting Person on March 1, 2023, and will fully vest on March 1, 2026.

Signature

/s/ Christine Zhang, under Power of Attorney dated June 19, 2025, from Greg McIntosh|2026-02-18

3 files