Mark W. Westphal, President of Foodservice at Post Holdings, Inc., filed a Form 4 on October 26, 2026, disclosing two transactions in Post Holdings common stock dated October 22, 2026, related to the payout of an earned performance share award.

Key Highlights

  • Performance award payout: Westphal acquired 38,441 shares of common stock at $0 per share pursuant to the payout of earned performance share units (PRSUs) under a shareholder-approved equity plan.
  • Performance period: The PRSU payout was based on relative total shareholder return percentile rank for the period October 1, 2023 through September 30, 2026, according to the filing.
  • Tax withholding: Westphal surrendered 17,530 shares at $78.06 per share to cover tax withholding obligations resulting from the PRSU vesting.
  • Resulting direct ownership: Following both transactions, Westphal directly held 218,667 shares of common stock.
  • Indirect holdings: The filing also reported 17,443.826 shares held indirectly through a 401(k) plan.
  • Issuer and exchange: Post Holdings, Inc. is listed on NYSE:POST.

Westphal PRSU Payout and Tax Withholding Details at Post Holdings

According to the Form 4 filed with the SEC on October 26, 2026, Mark W. Westphal, who serves as President of Foodservice at Post Holdings, Inc. (NYSE:POST), reported two transactions in the company's common stock, both dated October 22, 2026. The first transaction, coded "A," reflects the acquisition of 38,441 shares at a price of $0, described in the filing as an acquisition "pursuant to Rule 16b-3 upon payout of earned performance share award (PRSUs) under a shareholder approved equity plan."

The filing states that the PRSU payout "was based on the level of achievement of the performance goal of relative total shareholder return percentile rank for the performance period October 1, 2023 through September 30, 2026." Following this acquisition, Westphal's direct beneficial ownership rose to 236,197 shares before the second transaction was applied.

The second transaction, coded "F," reflects the disposition of 17,530 shares at $78.06 per share. The filing describes this as the "surrender of shares in payment of tax withholding due as a result of the vesting of 38,441 PRSUs in accordance with Rule 16b-3." After this surrender, Westphal's direct beneficial ownership stood at 218,667 shares. The filing additionally reports 17,443.826 shares held indirectly through a 401(k) plan. The Form 4 was signed by Diedre J. Gray as attorney-in-fact on October 26, 2026.

What Was Disclosed

The filing disclosed two transactions by Mark W. Westphal on October 22, 2026: the acquisition of 38,441 PRSUs that vested based on a three-year relative total shareholder return metric, and the surrender of 17,530 shares at $78.06 to satisfy tax withholding, resulting in direct ownership of 218,667 shares.