Witte Jan De

Companies

• ResMedBoard member May 20, 2019 to now¹
• INTEGRA LIFESCIENCES HOLDINGS CORPBoard member Dec 10, 2021 to Nov 4, 2024²
• INTEGRA LIFESCIENCES HOLDINGS CORPChief executive officer Dec 10, 2021 to Nov 4, 2024²
• INTEGRA LIFESCIENCES HOLDINGS CORPPresident Dec 10, 2021 to Nov 4, 2024²

Holdings

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

Shares held

• ResMed RMD4,261 shares³$1.0M at $239.64Nov 25, 2025
• ILINTEGRA LIFESCIENCES HOLDINGS CORP IART23,902 shares⁴$320.8K at $13.42Nov 1, 2024

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

Recent filings

• Nov 25, 2025Sold 2,055 shares at $255.00 of ResMed³
• Nov 20, 2025Granted 1,073 shares of ResMed⁵
• Nov 11, 2025Shares withheld for tax 76 shares at $250.10 of ResMed⁶
• Nov 11, 2025Sold 487 shares at $250.25 of ResMed⁶
• May 20, 2025Sold 2,000 shares at $243.47 of ResMed⁷
• Nov 20, 2024Granted 1,083 shares of ResMed⁸
• Nov 12, 2024Sold 796 shares at $248.81 of ResMed⁹
• Nov 1, 2024Shares withheld for tax 4,262 shares at $19.28 of INTEGRA LIFESCIENCES HOLDINGS CORP⁴
• Nov 1, 2024Exercised options 9,814 shares of INTEGRA LIFESCIENCES HOLDINGS CORP⁴
• May 15, 2024Sold 360 shares at $218.29 of ResMed¹⁰
• May 15, 2024Sold 360 shares at $218.29 of ResMed¹¹
• Mar 11, 2024Shares withheld for tax 205 shares at $36.22 of INTEGRA LIFESCIENCES HOLDINGS CORP¹²
• Mar 11, 2024Exercised options 205 shares of INTEGRA LIFESCIENCES HOLDINGS CORP¹²
• Mar 10, 2024Shares withheld for tax 346 shares at $36.73 of INTEGRA LIFESCIENCES HOLDINGS CORP¹³
• Mar 10, 2024Exercised options 346 shares of INTEGRA LIFESCIENCES HOLDINGS CORP¹³
• Jan 18, 2024Shares withheld for tax 597 shares at $42.39 of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁴
• Jan 18, 2024Exercised options 597 shares of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁴
• Nov 16, 2023Granted 1,768 shares of ResMed¹⁵
• Nov 1, 2023Shares withheld for tax 4,262 shares at $36.85 of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁶
• Nov 1, 2023Exercised options 9,814 shares of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁶
• Jun 1, 2023Bought 7,792 shares at $38.50 of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁷
• Mar 11, 2023Shares withheld for tax 205 shares at $52.87 of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁸
• Mar 11, 2023Shares withheld for tax 3,842 shares at $52.87 of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁹
• Mar 11, 2023Exercised options 205 shares of INTEGRA LIFESCIENCES HOLDINGS CORP¹⁸
• Feb 13, 2023Granted 8,848 shares of INTEGRA LIFESCIENCES HOLDINGS CORP²⁰