PRLBProto Labs Inc
- Market cap
- $2.05B
- as of 2026-10-23
- Latest close
- $85.61
- as of 2026-10-23
- Sector
- Industrials
- as of 2026-10-24
- Industry
- Metal Fabrication
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2024-02-15
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Schumacher DanielChief Financial Officer | Sep 24 | Sep 25 | S | 5,000 | $95.32 | Sale −$476,600 | 35,019 | Yes | Form 4 |
| Schumacher DanielChief Financial Officer | Sep 17 | Sep 18 | S | 4,900 | $85.21 | Sale −$417,529 | 40,019 | Yes | Form 4 |
| Schumacher DanielChief Financial Officer | Sep 16 | Sep 18 | S | 100 | $85.00 | Sale −$8,500 | 44,919 | Yes | Form 4 |
| Wehrwein Sven | Jun 2 | Jun 4 | S | 1,500 | $76.91 | Sale −$115,365 | 33,005 | No | Form 4 |
| Wehrwein Sven | Jun 2 | Jun 4 | S | 500 | $78.38 | Sale −$39,190 | 32,505 | No | Form 4 |
| Krishna SureshPresident and CEO | May 23 | May 27 | F | 1,247 | $71.36 | $88,986 | 30,147 | No | Form 4 |
| Parlange BernardoChief Commercial Officer | May 20 | May 22 | A | 2,109 | $0.00 | $0 | 2,109 | No | Form 4 |
| Parlange BernardoChief Commercial Officer | May 20 | May 22 | A · derivative | 3,789 | $71.13 | $269,512 | 3,789 | No | Form 4 |
| Schumacher DanielChief Financial Officer | May 20 | May 22 | F | 255 | $71.13 | $18,138 | 45,019 | No | Form 4 |
| Krantz Donald G | May 19 | May 21 | A | 2,210 | $0.00 | $0 | 26,863 | No | Form 4 |
| Wehrwein Sven | May 19 | May 21 | A | 2,210 | $0.00 | $0 | 34,505 | No | Form 4 |
| Gawlick Rainer | May 19 | May 21 | A | 2,210 | $0.00 | $0 | 46,093 | No | Form 4 |
| Chin Moonhie | May 19 | May 21 | A | 2,210 | $0.00 | $0 | 22,306 | No | Form 4 |
| Chand Sujeet | May 19 | May 21 | A | 2,210 | $0.00 | $0 | 26,863 | No | Form 4 |
| Black Archie C. | May 19 | May 21 | A | 2,210 | $0.00 | $0 | 28,428 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | M | 1,928 | $33.84 | $65,244 | 29,114 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | M | 1,557 | $39.61 | $61,673 | 30,671 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | M | 4,042 | $59.40 | $240,095 | 34,713 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | S | 1,613 | $67.58 | Sale −$109,007 | 33,100 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | S | 4,198 | $68.70 | Sale −$288,403 | 28,902 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | S | 3,576 | $69.78 | Sale −$249,533 | 25,326 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | S | 6,643 | $70.30 | Sale −$467,003 | 18,683 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | M · derivative | 1,928 | $33.84 | $65,244 | 1,928 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | M · derivative | 1,557 | $39.61 | $61,673 | 4,674 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 12 | May 13 | M · derivative | 4,042 | $59.40 | $240,095 | not reported | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 11 | May 13 | M | 3,756 | $33.84 | $127,103 | 30,942 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 11 | May 13 | M | 3,677 | $33.52 | $123,253 | 34,619 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 11 | May 13 | S | 7,433 | $70.26 | Sale −$522,243 | 27,186 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 11 | May 13 | M · derivative | 3,756 | $33.84 | $127,103 | 3,856 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 11 | May 13 | M · derivative | 3,677 | $33.52 | $123,253 | 3,778 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 7 | May 8 | M | 100 | $33.84 | $3,384 | 27,286 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 7 | May 8 | M | 100 | $33.52 | $3,352 | 27,386 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 7 | May 8 | S | 200 | $70.00 | Sale −$14,000 | 27,186 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 7 | May 8 | M · derivative | 100 | $33.84 | $3,384 | 7,612 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 7 | May 8 | M · derivative | 100 | $33.52 | $3,352 | 7,455 | Yes | Form 4 |
| Kermisch MarcChief Technology & AI Officer | Feb 25 | Feb 27 | A | 2,795 | $0.00 | $0 | 6,513 | No | Form 4 |
| Kermisch MarcChief Technology & AI Officer | Feb 25 | Feb 27 | A · derivative | 5,095 | $62.63 | $319,100 | 5,095 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 25 | Feb 27 | A | 2,415 | $0.00 | $0 | 27,717 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 25 | Feb 27 | F | 531 | $62.63 | $33,257 | 27,186 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 25 | Feb 27 | A · derivative | 4,404 | $62.63 | $275,823 | 4,404 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 25 | Feb 27 | A | 3,074 | $0.00 | $0 | 45,778 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 25 | Feb 27 | F | 504 | $62.63 | $31,566 | 45,274 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 25 | Feb 27 | A · derivative | 5,605 | $62.63 | $351,041 | 5,605 | No | Form 4 |
| Krishna SureshPresident and CEO | Feb 25 | Feb 27 | A | 13,373 | $0.00 | $0 | 31,394 | No | Form 4 |
| Krishna SureshPresident and CEO | Feb 25 | Feb 27 | A · derivative | 24,383 | $62.63 | $1,527,107 | 24,383 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 17 | Feb 18 | S | 5,000 | $66.46 | Sale −$332,300 | 25,302 | Yes | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 13 | Feb 18 | F | 1,540 | $67.52 | $103,981 | 30,302 | Yes | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13 | Feb 18 | F | 1,267 | $67.52 | $85,548 | 42,704 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 11 | Feb 12 | M | 3,135 | $33.84 | $106,088 | 43,971 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 11 | Feb 12 | M · derivative | 3,135 | $33.84 | $106,088 | not reported | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 10 | Feb 12 | F | 2,684 | $53.18 | $142,735 | 31,842 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 10 | Feb 12 | F | 6,809 | $53.18 | $362,103 | 40,836 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 6 | Feb 9 | S | 2,500 | $60.00 | Sale −$150,000 | 34,526 | Yes | Form 4 |
| Schumacher DanielChief Financial Officer | Jan 29 | Feb 4 | A | 20,686 | $0.00 | $0 | 47,645 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Jan 29 | Feb 4 | A | 8,128 | $0.00 | $0 | 37,026 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Nov 25, 2025 | Dec 3, 20254/A | M | 3,048 | $33.84 | $103,144 | 31,946 | Yes | Form 4/A |
| Kenison Michael R.Chief Operations Officer | Nov 25, 2025 | Dec 3, 20254/A | S | 3,048 | $50.17 | Sale −$152,918 | 28,898 | Yes | Form 4/A |
| Kenison Michael R.Chief Operations Officer | Nov 25, 2025 | Dec 3, 20254/A | M · derivative | 3,048 | $33.84 | $103,144 | not reported | Yes | Form 4/A |
| Kermisch MarcChief Technology & AI Officer | Nov 17, 2025 | Nov 19, 2025 | A | 3,718 | $0.00 | $0 | 3,718 | No | Form 4 |
| Kermisch MarcChief Technology & AI Officer | Nov 17, 2025 | Nov 19, 2025 | A · derivative | 6,818 | $47.07 | $320,923 | 6,818 | No | Form 4 |
| Gawlick Rainer | Aug 5, 2025 | Aug 7, 2025 | P | 1,715 | $43.79 | Purchase +$75,100 | 43,883 | No | Form 4 |
| Krishna SureshPresident and CEO | Aug 4, 2025 | Aug 6, 2025 | P | 1,725 | $43.51 | Purchase +$75,055 | 18,021 | No | Form 4 |
| Krishna SureshPresident and CEO | May 23, 2025 | May 28, 2025 | A | 16,296 | $0.00 | $0 | 16,296 | No | Form 4 |
| Krishna SureshPresident and CEO | May 23, 2025 | May 28, 2025 | A · derivative | 29,522 | $36.82 | $1,087,000 | 29,522 | No | Form 4 |
| Krantz Donald G | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 24,653 | No | Form 4 |
| Wehrwein Sven | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 32,295 | No | Form 4 |
| Greiner Stacy | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 19,644 | No | Form 4 |
| Chand Sujeet | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 24,653 | No | Form 4 |
| Chin Moonhie | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 20,096 | No | Form 4 |
| Gawlick Rainer | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 42,168 | No | Form 4 |
| Black Archie C. | May 23, 2025 | May 28, 2025 | A | 3,939 | $0.00 | $0 | 26,218 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | May 20, 2025 | May 22, 2025 | F | 204 | $40.87 | $8,337 | 28,841 | No | Form 4 |
| Schumacher DanielChief Financial Officer | May 20, 2025 | May 22, 2025 | F | 305 | $40.87 | $12,465 | 26,959 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 25, 2025 | Feb 27, 2025 | A | 18,935 | $0.00 | $0 | 108,579 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 25, 2025 | Feb 27, 2025 | A · derivative | 33,986 | $39.61 | $1,346,185 | 33,986 | No | Form 4 |
| Ryaboy OlegChief Technology Officer | Feb 25, 2025 | Feb 27, 2025 | A | 7,574 | $0.00 | $0 | 35,305 | No | Form 4 |
| Ryaboy OlegChief Technology Officer | Feb 25, 2025 | Feb 27, 2025 | A · derivative | 6,798 | $39.61 | $269,269 | 6,798 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 25, 2025 | Feb 27, 2025 | A | 6,943 | $0.00 | $0 | 28,982 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 25, 2025 | Feb 27, 2025 | A · derivative | 6,231 | $39.61 | $246,810 | 6,231 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 25, 2025 | Feb 27, 2025 | A | 4,419 | $0.00 | $0 | 27,264 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 25, 2025 | Feb 27, 2025 | A · derivative | 7,931 | $39.61 | $314,147 | 7,931 | No | Form 4 |
| Ryaboy OlegChief Technology Officer | Feb 13, 2025 | Feb 18, 2025 | F | 2,461 | $45.03 | $110,819 | 27,731 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13, 2025 | Feb 18, 2025 | A | 3,077 | $0.00 | $0 | 25,207 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13, 2025 | Feb 18, 2025 | F | 1,098 | $45.03 | $49,443 | 24,109 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13, 2025 | Feb 18, 2025 | F | 1,264 | $45.03 | $56,918 | 22,845 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 13, 2025 | Feb 18, 2025 | A | 1,894 | $0.00 | $0 | 24,315 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 13, 2025 | Feb 18, 2025 | F | 580 | $45.03 | $26,117 | 23,735 | No | Form 4 |
| Kenison Michael R.Chief Operations Officer | Feb 13, 2025 | Feb 18, 2025 | F | 1,696 | $45.03 | $76,371 | 22,039 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 13, 2025 | Feb 18, 2025 | A | 23,570 | $0.00 | $0 | 104,448 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 13, 2025 | Feb 18, 2025 | F | 7,536 | $45.03 | $339,346 | 96,912 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 13, 2025 | Feb 18, 2025 | F | 7,268 | $45.03 | $327,278 | 89,644 | No | Form 4 |
| Bodor RobertPresident and CEO | Sep 6, 2024 | Sep 9, 2024 | P | 3,480 | $28.68 | Purchase +$99,806 | 80,878 | No | Form 4 |
| Wehrwein Sven | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 28,356 | No | Form 4 |
| Krantz Donald G | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 20,714 | No | Form 4 |
| Greiner Stacy | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 15,705 | No | Form 4 |
| Gawlick Rainer | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 38,229 | No | Form 4 |
| Chin Moonhie | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 16,157 | No | Form 4 |
| Chand Sujeet | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 20,714 | No | Form 4 |
| Black Archie C. | May 23, 2024 | May 24, 2024 | A | 4,701 | $0.00 | $0 | 20,714 | No | Form 4 |
| Schumacher DanielChief Financial Officer | May 20, 2024 | May 22, 2024 | F | 370 | $31.81 | $11,770 | 22,130 | No | Form 4 |
| Kenison Michael R.VP and GM of the America's | May 20, 2024 | May 22, 2024 | F | 336 | $31.81 | $10,688 | 22,351 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 13, 2024 | Feb 15, 2024 | F | 3,548 | $33.52 | $118,929 | 54,328 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 13, 2024 | Feb 15, 2024 | A | 22,375 | $0.00 | $0 | 76,703 | No | Form 4 |
| Bodor RobertPresident and CEO | Feb 13, 2024 | Feb 15, 2024 | A · derivative | 41,209 | $33.52 | $1,381,326 | 41,209 | No | Form 4 |
| Ryaboy OlegChief Technology Officer | Feb 13, 2024 | Feb 15, 2024 | F | 1,702 | $33.52 | $57,051 | 19,055 | No | Form 4 |
| Ryaboy OlegChief Technology Officer | Feb 13, 2024 | Feb 15, 2024 | A | 10,442 | $0.00 | $0 | 29,497 | No | Form 4 |
| Ryaboy OlegChief Technology Officer | Feb 13, 2024 | Feb 15, 2024 | A · derivative | 9,616 | $33.52 | $322,328 | 9,616 | No | Form 4 |
| Kenison Michael R.VP and GM of the America's | Feb 13, 2024 | Feb 15, 2024 | F | 1,070 | $33.52 | $35,866 | 14,200 | No | Form 4 |
| Kenison Michael R.VP and GM of the America's | Feb 13, 2024 | Feb 15, 2024 | A | 8,205 | $0.00 | $0 | 22,405 | No | Form 4 |
| Kenison Michael R.VP and GM of the America's | Feb 13, 2024 | Feb 15, 2024 | A · derivative | 7,555 | $33.52 | $253,244 | 7,555 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13, 2024 | Feb 15, 2024 | F | 1,018 | $33.52 | $34,123 | 17,279 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13, 2024 | Feb 15, 2024 | A | 5,221 | $0.00 | $0 | 22,500 | No | Form 4 |
| Schumacher DanielChief Financial Officer | Feb 13, 2024 | Feb 15, 2024 | A · derivative | 9,616 | $33.52 | $322,328 | 9,616 | No | Form 4 |
| Klaas BjoernVP and Mng Director-PL Europe | Feb 13, 2024 | Feb 15, 2024 | F | 1,741 | $33.52 | $58,358 | 16,333 | No | Form 4 |
| Klaas BjoernVP and Mng Director-PL Europe | Feb 13, 2024 | Feb 15, 2024 | A | 6,713 | $0.00 | $0 | 23,046 | No | Form 4 |
| Klaas BjoernVP and Mng Director-PL Europe | Feb 13, 2024 | Feb 15, 2024 | A · derivative | 6,182 | $33.52 | $207,221 | 6,182 | No | Form 4 |