Form 4: Iron Mountain Director Robin Matlock Receives 2,249 Shares Through RSU Grant

Iron Mountain Inc. Director Robin Matlock has acquired 2,249 shares of common stock through a restricted stock unit (RSU) grant, increasing her total beneficial ownership to 27,551 shares.

Summary

• Iron Mountain Inc. (IRM) Director Robin Matlock acquired 2,249 shares of common stock on May 29, 2025.
• The acquisition was a grant of restricted stock units (RSUs) which vested in their entirety on the grant date, with a transaction price of $0 per share.
• Following this transaction, Robin Matlock's direct beneficial ownership of Iron Mountain common stock increased to 27,551 shares.
• The filing was made pursuant to Section 16(a) of the Securities Exchange Act of 1934, reporting changes in beneficial ownership.
• A Power of Attorney dated April 17, 2023, from Robin Matlock to Keely Stewart was used for the filing, with the POA itself signed on May 12, 2025.

Sentiment

Score: 6

Explanation: The sentiment is mildly positive as it indicates an increase in insider ownership, aligning the director's interests with shareholders. However, it's a routine compensation event and not a significant market-moving development.

Positives

• The acquisition of shares by a director through an RSU grant aligns management's interests with those of shareholders, as their compensation is tied to the company's performance.
• The increase in beneficial ownership by a director can be viewed as a positive signal of confidence in the company's future.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future financial performance or strategic outlook.

Industry Context

This insider transaction is a routine compensation event for a director and does not provide specific insights into broader industry trends within the information management or data center sectors where Iron Mountain operates.

Stakeholder Impact

• Shareholders: The increase in director ownership through an RSU grant can be seen as a positive signal, reinforcing confidence in management's alignment with shareholder value creation.

Key Dates

Keywords

Iron Mountain, IRM, SEC Form 4, Insider Trading, Beneficial Ownership, Restricted Stock Units, RSU Grant, Director Compensation, Equity Compensation, Corporate Governance