A Form 4 filed on September 15, 2026 with the U.S. Securities and Exchange Commission discloses that John C. Pfeifer, a director of Oshkosh Corporation, sold 778 shares of common stock on September 11, 2026 pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Transaction date: Shares were sold on September 11, 2026.
  • Shares sold: 778 shares of Oshkosh Corporation common stock were disposed of (transaction code S).
  • Price: The weighted average sale price was $150, with individual sales by lot ranging from $150.00 to $150.01.
  • Beneficial ownership after transaction: Pfeifer beneficially owned 150,668.573 shares directly following the reported transaction.
  • 10b5-1 plan: The sale was made pursuant to a Rule 10b5-1 plan adopted on June 9, 2026.
  • Reporting person's role: John C. Pfeifer is identified in the filing as a Director of Oshkosh Corporation (NYSE:OSK).

Pfeifer's Share Sale Details and Remaining Ownership in Oshkosh Corp

According to the filing, John C. Pfeifer sold 778 shares of Oshkosh Corporation common stock on September 11, 2026. The filing indicates the transaction was conducted under a Rule 10b5-1 plan that Pfeifer adopted on June 9, 2026. The Form 4 was signed by Ignacio A. Cortina on behalf of Pfeifer and filed on September 15, 2026.

The filing notes that the reported price of $150 represents a weighted average, and that individual lot sales ranged from $150.00 to $150.01. According to the filing, Oshkosh Corporation will provide, upon request by the SEC staff, full information regarding the number of shares sold at each separate price.

Following the reported sale, Pfeifer's direct beneficial ownership stood at 150,668.573 shares. The filing states that this total includes shares acquired through dividend reinvestments in exempt transactions not required to be reported under Section 16(a). No derivative securities transactions were reported in Table II of the filing.

What Was Disclosed

The filing discloses a single sale of 778 common shares by Oshkosh Corporation director John C. Pfeifer on September 11, 2026, at a weighted average price of $150 per share, executed under a pre-established Rule 10b5-1 plan adopted June 9, 2026.