John M. Albertine

Companies

• TECOGEN INC.Board member Dec 19, 2022 to now¹
• KadantBoard member Apr 4, 2006 to now²
• Midwest Air GroupBoard member Jun 28, 2007 to Feb 1, 2008³

Holdings

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

Shares held

• Kadant KAI8,091 shares⁴$2.1M at $259.39Jul 4, 2026

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

Recent filings

• Jul 4, 2026Exercised options 128 shares of Kadant⁴
• Apr 4, 2026Exercised options 129 shares of Kadant⁵
• Jan 3, 2026Exercised options 131 shares of Kadant⁶
• Sep 27, 2025Exercised options 132 shares of Kadant⁷
• Jun 1, 2025Exercised options 264 shares of Kadant⁸
• Dec 28, 2024Exercised options 151 shares of Kadant⁹
• Sep 28, 2024Exercised options 152 shares of Kadant¹⁰
• Aug 26, 2024Sold 250 shares at $321.57 of Kadant¹¹
• Jun 1, 2024Exercised options 303 shares of Kadant¹²
• Dec 30, 2023Exercised options 217 shares of Kadant¹³
• Sep 30, 2023Exercised options 217 shares of Kadant¹⁴
• Sep 7, 2023Sold 1,200 shares at $219.79 of Kadant¹⁵
• Jun 1, 2023Exercised options 434 shares of Kadant¹⁶
• Dec 31, 2022Exercised options 235 shares of Kadant¹⁷
• Oct 1, 2022Exercised options 235 shares of Kadant¹⁸
• Sep 19, 2022Sold 1,200 shares at $170.00 of Kadant¹⁹
• Jun 1, 2022Exercised options 471 shares of Kadant²⁰
• Jan 1, 2022Exercised options 252 shares of Kadant²¹
• Oct 2, 2021Exercised options 252 shares of Kadant²²
• Oct 1, 2021Sold 1,500 shares at $203.40 of Kadant²³