John C. Shoemaker

Companies

• Extreme NetworksBoard member Oct 30, 2007 to now¹

Holdings

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

Shares held

• Extreme Networks EXTR582,345 shares²$12.7M at $21.73Nov 12, 2025

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

Recent filings

• Nov 12, 2025Exercised options 13,354 shares of Extreme Networks²
• Nov 8, 2024Exercised options 12,975 shares of Extreme Networks³
• Nov 8, 2023Exercised options 11,466 shares of Extreme Networks⁴
• Sep 1, 2023Gift 2,400 shares of Extreme Networks⁵
• Nov 4, 2022Exercised options 16,521 shares of Extreme Networks⁶
• Nov 4, 2021Exercised options 42,505 shares of Extreme Networks⁷