John C. Pfeifer

Companies

• James HardieBoard member Mar 17, 2026 to now¹
• Oshkosh CorporationBoard member Apr 7, 2021 to now²
• Oshkosh CorporationChief executive officer Apr 7, 2021 to now²
• Oshkosh CorporationPresident May 12, 2020 to now³
• Oshkosh CorporationChief operating officer May 1, 2019 to Dec 3, 2021⁴
• Brunswick CorporationVICE PRESIDENT May 9, 2008 to Feb 15, 2019⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Oshkosh Corporation OSK150,669 shares⁶$19.1M at $126.94Sep 11, 2026
• Brunswick Corporation BC98,619 shares⁷$6.3M at $63.62Feb 13, 2019
• James Hardie JHX6,112 shares⁸$157.0K at $25.68Sep 15, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 15, 2026Granted 751 shares of James Hardie⁸
• Sep 11, 2026Sold 778 shares at $150.00 of Oshkosh Corporation⁶
• Jun 15, 2026Granted 1,081 shares of James Hardie⁹
• Feb 20, 2026Shares withheld for tax 5,355 shares at $175.52 of Oshkosh Corporation¹⁰
• Feb 20, 2026Exercised options 11,993 shares at $175.52 of Oshkosh Corporation¹⁰
• Feb 20, 2026Shares withheld for tax 11,176 shares at $175.52 of Oshkosh Corporation¹⁰
• Feb 20, 2026Exercised options 23,777 shares at $175.52 of Oshkosh Corporation¹⁰
• Feb 20, 2026Shares withheld for tax 8,412 shares at $175.52 of Oshkosh Corporation¹⁰
• Feb 20, 2026Exercised options 17,896 shares at $175.52 of Oshkosh Corporation¹⁰
• Feb 19, 2026Shares withheld for tax 6,002 shares at $170.49 of Oshkosh Corporation¹¹
• Feb 19, 2026Exercised options 13,442 shares at $170.49 of Oshkosh Corporation¹¹
• Feb 17, 2026Shares withheld for tax 7,019 shares at $168.47 of Oshkosh Corporation¹²
• Feb 17, 2026Exercised options 15,718 shares at $168.47 of Oshkosh Corporation¹²
• Feb 21, 2025Shares withheld for tax 3,511 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Exercised options 7,863 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Shares withheld for tax 2,780 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Exercised options 5,914 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Shares withheld for tax 4,602 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Exercised options 9,790 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Shares withheld for tax 1,468 shares at $103.17 of Oshkosh Corporation¹³
• Feb 21, 2025Exercised options 3,122 shares at $103.17 of Oshkosh Corporation¹³
• Feb 20, 2025Shares withheld for tax 5,259 shares at $110.30 of Oshkosh Corporation¹⁴
• Feb 20, 2025Exercised options 11,778 shares at $110.30 of Oshkosh Corporation¹⁴
• Feb 19, 2025Shares withheld for tax 5,895 shares at $109.72 of Oshkosh Corporation¹⁵
• Feb 19, 2025Exercised options 13,201 shares at $109.72 of Oshkosh Corporation¹⁵