Proto Labs Inc (PRLB) Insider Ownership

Historic Insider Ownership Trends

As of April 28, 2026, Proto Labs's top three insider holders are Robert Bodor (President And Ceo, 108.58K shares), Daniel Schumacher (Chief Financial Officer, 45.27K shares), Rainer Gawlick (Director, 43.88K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Robert Bodor President And Ceo 108,579 0 27 Feb, 2025
Daniel Schumacher Chief Financial Officer 45,274 0 27 Feb, 2026
Rainer Gawlick - 43,883 0 07 Aug, 2025
Arthur R. Iii Baker Chief Technology Officer 35,307 0 17 Feb, 2022
Oleg Ryaboy Chief Technology Officer 35,305 0 27 Feb, 2025
Sven Wehrwein - 32,295 0 28 May, 2025
Suresh Krishna President And Ceo 31,394 0 27 Feb, 2026
Michael R. Kenison Chief Operations Officer 27,186 0 27 Feb, 2026
Archie C. Black - 26,218 0 28 May, 2025
Sujeet Chand - 24,653 0 28 May, 2025
Donald G Krantz Executive Vp And Tech. Officer 24,653 0 28 May, 2025
Bjoern Klaas Vp And Mng Director Pl Europe 23,046 0 15 Feb, 2024
Moonhie Chin - 20,096 0 28 May, 2025
Stacy Greiner - 19,644 0 28 May, 2025
Marc Kermisch Chief Technology Ai Officer 6,513 0 27 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
25 Feb, 2026 Marc Kermisch Common Stock A 2,795 $0.00 6,513 D A
25 Feb, 2026 Michael R. Kenison Common Stock A 2,415 $0.00 27,717 D A
25 Feb, 2026 Suresh Krishna Common Stock A 13,373 $0.00 31,394 D A
25 Feb, 2026 Daniel Schumacher Common Stock A 3,074 $0.00 45,778 D A
25 Feb, 2026 Marc Kermisch Employee Stock Option (right to buy) A 5,095 $0.00 5,095 D A
25 Feb, 2026 Daniel Schumacher Common Stock D 504 $62.63 45,274 D F
25 Feb, 2026 Suresh Krishna Employee Stock Option (right to buy) A 24,383 $0.00 24,383 D A
25 Feb, 2026 Michael R. Kenison Common Stock D 531 $62.63 27,186 D F
25 Feb, 2026 Michael R. Kenison Employee Stock Option (right to buy) A 4,404 $0.00 4,404 D A
25 Feb, 2026 Daniel Schumacher Employee Stock Option (right to buy) A 5,605 $0.00 5,605 D A
13 Feb, 2026 Daniel Schumacher Common Stock D 1,267 $67.52 42,704 D F
13 Feb, 2026 Michael R. Kenison Common Stock D 1,540 $67.52 30,302 D F
17 Feb, 2026 Michael R. Kenison Common Stock D 5,000 $66.46 25,302 D S
10 Feb, 2026 Michael R. Kenison Common Stock D 2,684 $53.18 31,842 D F
10 Feb, 2026 Daniel Schumacher Common Stock D 6,809 $53.18 40,836 D F
11 Feb, 2026 Daniel Schumacher Common Stock A 3,135 $33.84 43,971 D M
11 Feb, 2026 Daniel Schumacher Employee Stock Option (right to buy) D 3,135 $0.00 0 D M
06 Feb, 2026 Michael R. Kenison Common Stock D 2,500 $60.00 34,526 D S
29 Jan, 2026 Michael R. Kenison Common Stock A 8,128 $0.00 37,026 D A
29 Jan, 2026 Daniel Schumacher Common Stock A 20,686 $0.00 47,645 D A