Michael R. Kenison

Companies

• Proto LabsVP and GM of the America's Jun 30, 2021 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

• Proto Labs PRLB18,683 shares²$1.6M at $86.69May 12, 2026

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

Recent filings

• May 12, 2026Sold 6,643 shares at $70.30 of Proto Labs²
• May 12, 2026Sold 3,576 shares at $69.78 of Proto Labs²
• May 12, 2026Sold 4,198 shares at $68.70 of Proto Labs²
• May 12, 2026Sold 1,613 shares at $67.58 of Proto Labs²
• May 12, 2026Exercised options 4,042 shares at $59.40 of Proto Labs²
• May 12, 2026Exercised options 1,557 shares at $39.61 of Proto Labs²
• May 12, 2026Exercised options 1,928 shares at $33.84 of Proto Labs²
• May 11, 2026Sold 7,433 shares at $70.26 of Proto Labs²
• May 11, 2026Exercised options 3,677 shares at $33.52 of Proto Labs²
• May 11, 2026Exercised options 3,756 shares at $33.84 of Proto Labs²
• May 7, 2026Sold 200 shares at $70.00 of Proto Labs³
• May 7, 2026Exercised options 100 shares at $33.52 of Proto Labs³
• May 7, 2026Exercised options 100 shares at $33.84 of Proto Labs³
• Feb 25, 2026Shares withheld for tax 531 shares at $62.63 of Proto Labs⁴
• Feb 25, 2026Granted 2,415 shares of Proto Labs⁴
• Feb 17, 2026Sold 5,000 shares at $66.46 of Proto Labs⁵
• Feb 13, 2026Shares withheld for tax 1,540 shares at $67.52 of Proto Labs⁵
• Feb 10, 2026Shares withheld for tax 2,684 shares at $53.18 of Proto Labs⁶
• Feb 6, 2026Sold 2,500 shares at $60.00 of Proto Labs⁷
• Jan 29, 2026Granted 8,128 shares of Proto Labs⁸
• Nov 25, 2025Sold 3,048 shares at $50.17 of Proto Labs⁹
• Nov 25, 2025Sold 3,048 shares at $50.17 of Proto Labs¹⁰
• Nov 25, 2025Exercised options 3,048 shares at $33.84 of Proto Labs⁹
• Nov 25, 2025Exercised options 3,048 shares at $33.84 of Proto Labs¹⁰
• May 20, 2025Shares withheld for tax 204 shares at $40.87 of Proto Labs¹¹