Daniel Schumacher

Companies

• Proto LabsChief financial officer Dec 3, 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 PRLB35,019 shares²$3.0M at $86.69Sep 24, 2026

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

Recent filings

• Sep 24, 2026Sold 5,000 shares at $95.32 of Proto Labs²
• Sep 17, 2026Sold 4,900 shares at $85.21 of Proto Labs³
• Sep 16, 2026Sold 100 shares at $85.00 of Proto Labs³
• May 20, 2026Shares withheld for tax 255 shares at $71.13 of Proto Labs⁴
• Feb 25, 2026Shares withheld for tax 504 shares at $62.63 of Proto Labs⁵
• Feb 25, 2026Granted 3,074 shares of Proto Labs⁵
• Feb 13, 2026Shares withheld for tax 1,267 shares at $67.52 of Proto Labs⁶
• Feb 11, 2026Exercised options 3,135 shares at $33.84 of Proto Labs⁷
• Feb 10, 2026Shares withheld for tax 6,809 shares at $53.18 of Proto Labs⁷
• Jan 29, 2026Granted 20,686 shares of Proto Labs⁸
• May 20, 2025Shares withheld for tax 305 shares at $40.87 of Proto Labs⁹
• Feb 25, 2025Granted 4,419 shares of Proto Labs¹⁰
• Feb 13, 2025Shares withheld for tax 1,264 shares at $45.03 of Proto Labs¹¹
• Feb 13, 2025Shares withheld for tax 1,098 shares at $45.03 of Proto Labs¹¹
• Feb 13, 2025Granted 3,077 shares of Proto Labs¹¹
• May 20, 2024Shares withheld for tax 370 shares at $31.81 of Proto Labs¹²
• Feb 13, 2024Granted 5,221 shares of Proto Labs¹³
• Feb 13, 2024Shares withheld for tax 1,018 shares at $33.52 of Proto Labs¹³
• May 20, 2023Shares withheld for tax 418 shares at $32.36 of Proto Labs¹⁴
• Feb 14, 2023Granted 5,172 shares of Proto Labs¹⁵
• Feb 13, 2023Shares withheld for tax 553 shares at $34.23 of Proto Labs¹⁵
• Dec 1, 2022Shares withheld for tax 945 shares at $26.40 of Proto Labs¹⁶
• Aug 30, 2022Granted 6,154 shares of Proto Labs¹⁷
• Aug 30, 2022Granted 2,233 shares of Proto Labs¹⁷
• May 23, 2022Shares withheld for tax 350 shares at $45.68 of Proto Labs¹⁸