Form 4: Plymouth Industrial REIT CEO's Equity Transactions

Plymouth Industrial REIT CEO Jeffrey E. Witherell reported the acquisition of common stock from performance unit vesting and a subsequent 'sell-to-cover' transaction for tax obligations, linked to an upcoming merger.

Summary

• CEO Jeffrey E. Witherell acquired 26,534 shares of common stock on December 18, 2025, from the vesting of Performance Stock Units (PSUs) granted on June 15, 2023.
• Acquired 44,031 shares of common stock on December 18, 2025, from the vesting of PSUs granted on April 15, 2024.
• Acquired 212,496 shares of common stock on December 18, 2025, from the vesting of PSUs granted on April 24, 2025, representing 200% of the target level based on anticipated merger performance.
• Sold 151,583 shares of common stock on December 19, 2025, at a price of $21.86 per share.
• The sale was a 'sell-to-cover' transaction to satisfy tax withholding obligations related to the accelerated vesting of outstanding restricted stock awards and PSUs.
• The accelerated vesting is connected to a proposed merger of Plymouth Industrial REIT with PIR Industrial REIT LLC and an 'Acceleration and Repayment Agreement' to mitigate potential tax impacts under Sections 280G and 4999 of the Internal Revenue Code.
• Following these transactions, Mr. Witherell beneficially owns 437,682 shares of common stock directly.

Sentiment

Score: 7

Explanation: The filing indicates strong performance for one PSU tranche (200% of target) and proactive tax planning related to a merger, which are positive. The 'sell-to-cover' is a neutral, non-discretionary event, and the overall activity is expected in the context of a pending merger.

Positives

• CEO's performance stock units (PSUs) granted on April 24, 2025, vested at 200% of their target level, indicating strong anticipated performance related to the proposed merger.
• The acceleration of vesting and settlement of PSUs is a strategic move to mitigate potential adverse tax impacts (Sections 280G and 4999 of the Internal Revenue Code) for both the Issuer and the Reporting Person in connection with the merger.

Risks

• Potential impact of Sections 280G and 4999 of the Internal Revenue Code on the Issuer and the Reporting Person in connection with the proposed merger, which the 'Acceleration and Repayment Agreement' aims to mitigate.

Future Outlook

The filing references anticipated performance determined as of the anticipated effective time of the proposed merger of Plymouth Industrial REIT with PIR Industrial REIT LLC, and assumes PSUs would remain outstanding and eligible to vest as of such effective time. The acceleration of vesting is a forward-looking action taken in anticipation of this merger.

Management Comments

• The amount reported herein reflects 200% of target level for the performance stock units granted on April 24, 2025, based on anticipated performance determined as of the anticipated effective time of the proposed merger and as if such PSUs remained outstanding and eligible to vest as of such effective time.
• These sales do not represent discretionary trades by the Reporting Person.

Industry Context

This Form 4 filing reflects typical executive compensation and tax planning activities within the REIT sector, particularly in the context of mergers and acquisitions. The acceleration of equity award vesting and subsequent 'sell-to-cover' transactions are common mechanisms used to manage executive compensation and tax liabilities when a significant corporate event, such as a merger, is imminent.

Comparison to Industry Standards

• The acceleration of equity award vesting in anticipation of a merger, coupled with a 'sell-to-cover' transaction for tax obligations, is a standard practice in corporate M&A scenarios across various industries, including REITs.
• The use of an 'Acceleration and Repayment Agreement' to mitigate potential tax impacts under Sections 280G and 4999 of the Internal Revenue Code is a common and prudent strategy employed by companies to manage executive compensation and associated tax liabilities during change-of-control events.

Corporate Governance

Related Party Transactions

• An 'Acceleration and Repayment Agreement', dated December 5, 2025, was executed between Plymouth Industrial REIT, Inc. and Jeffrey E. Witherell (CEO and Director), to accelerate the vesting of equity awards and mitigate tax impacts related to a proposed merger.

Stakeholder Impact

• Shareholders: The underlying proposed merger is a significant event that could impact shareholder value. The 200% PSU vesting for one tranche suggests positive performance expectations related to the merger.
• Management (Jeffrey E. Witherell): Realization of equity compensation and proactive management of tax liabilities associated with a corporate change-of-control event.

Next Steps

• Completion of the proposed merger of Plymouth Industrial REIT with PIR Industrial REIT LLC.
• Effective date of accelerated vesting of outstanding restricted stock awards and PSUs, which is scheduled to occur on or before December 30, 2025, but no earlier than December 17, 2025.

Key Dates

Recommendation

This Form 4 primarily details pre-planned equity compensation events and a non-discretionary tax-related sale by the CEO, driven by an upcoming merger. While the 200% PSU vesting for one tranche suggests strong anticipated performance related to the merger, the filing itself does not provide new fundamental information to warrant a change in investment stance. The transactions are largely administrative and tax-driven in anticipation of a corporate event. Investors should focus on the details of the merger itself for a more comprehensive investment decision.

Keywords

Plymouth Industrial REIT, PLYM, Jeffrey E. Witherell, Form 4, Insider Trading, Performance Stock Units, PSUs, Merger, Equity Compensation, Sell-to-Cover, Tax Withholding, REIT