Form 4: Post Holdings CFO Sells Shares for Tax Obligations

Sentiment:

Insider Transaction Report


Post Holdings' EVP, CFO & Treasurer, Matthew J. Mainer, reported the sale of common stock to cover tax withholdings related to restricted stock unit vesting.

Summary

  • Matthew J. Mainer, Executive Vice President, Chief Financial Officer, and Treasurer of Post Holdings, Inc. (POST), reported transactions involving the company's common stock.
  • On November 14, 2025, 1,249 shares of common stock were disposed of at a price of $106.34 per share. This was a surrender of shares for tax withholding due to the vesting of 2,834 restricted stock units (RSUs).
  • On November 15, 2025, an additional 937 shares of common stock were disposed of at a price of $106.70 per share. This was also a surrender of shares for tax withholding, related to the vesting of 2,127 RSUs.
  • These transactions were made pursuant to a Rule 10b5-1(c) plan.
  • Following these reported transactions, Matthew J. Mainer directly beneficially owns 50,078 shares of Post Holdings common stock.

Sentiment

Score: 5

Explanation: The filing reports routine insider transactions for tax withholding purposes related to RSU vesting, which is a common practice and does not indicate a change in management's view of the company's prospects or operational performance. Therefore, the sentiment is neutral.

Future Outlook

No forward-looking statements or guidance are provided in this routine insider transaction report.

Industry Context

This is a routine insider transaction report (Form 4) detailing the disposition of shares for tax withholding purposes upon the vesting of restricted stock units. Such transactions are common across all industries for executives receiving equity compensation and do not typically reflect a change in the company's strategic direction or financial performance.

Stakeholder Impact

  • Shareholders: Minimal impact, as these are routine tax-related transactions and not discretionary sales, which typically do not influence investor sentiment significantly.
  • Employees, Customers, Suppliers, Creditors: No direct impact is indicated by this type of filing.

Key Dates

DateDescription
11/14/2025Transaction date for the disposition of 1,249 shares of common stock for tax withholding related to RSU vesting.
11/15/2025Transaction date for the disposition of 937 shares of common stock for tax withholding related to RSU vesting.
11/18/2025Date the Statement of Changes in Beneficial Ownership (Form 4) was signed by the attorney-in-fact.

Keywords

Post Holdings, Matthew J. Mainer, Insider Transaction, Form 4, Common Stock, Restricted Stock Units, Tax Withholding, Executive Compensation, POST

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