| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $0 | 0 | 0 |
Sells | $3,342,602 | 10 | 100 |
| WEHRWEIN SVEN | director | 0 | $0 | 1 | $154,550 | $-154,550 |
| Schumacher Daniel | Chief Financial Officer | 0 | $0 | 3 | $902,640 | $-902,640 |
| Kenison Michael R. | Chief Operations Officer | 0 | $0 | 6 | $2.29M | $-2.29M |
Proto Labs, Inc., together with its affiliated companies, functions as a global, e-commerce-driven digital manufacturer, specializing in the rapid creation of custom prototypes and on-demand production components. The firm provides a comprehensive suite of services including injection molding, computer numerical control (CNC) machining, and a diverse range of 3D printing technologies such as stereolithography, selective laser sintering, direct metal laser sintering, multi jet fusion, polyjet, and Carbon DLS processes. Furthermore, it offers …
Over the last 12 months, insiders at Proto Labs, Inc. have bought $0 and sold $3.34M worth of Proto Labs, Inc. stock.
On average, over the past 5 years, insiders at Proto Labs, Inc. have bought $297,426 and sold $3.34M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 1,715 shares for transaction amount of $75,105 was made by Gawlick Rainer (director) on 2025‑08‑05.
| 2026-09-24 | Sale | Schumacher Daniel | Chief Financial Officer | 5,000 0.0215% | $95.32 | $476,605 | -2.87% | |
| 2026-09-17 | Sale | Schumacher Daniel | Chief Financial Officer | 4,900 0.0203% | $85.21 | $417,535 | +3.52% | |
| 2026-09-16 | Sale | Schumacher Daniel | Chief Financial Officer | 100 0.0004% | $85.00 | $8,500 | +7.44% | |
| 2026-06-02 | Sale | WEHRWEIN SVEN | director | 2,000 0.0083% | $77.28 | $154,550 | +2.56% | |
| 2026-05-12 | Sale | Kenison Michael R. | Chief Operations Officer | 16,030 0.0659% | $69.49 | $1.11M | +12.28% | |
| 2026-05-11 | Sale | Kenison Michael R. | Chief Operations Officer | 7,433 0.0309% | $70.26 | $522,252 | +12.38% | |
| 2026-05-07 | Sale | Kenison Michael R. | Chief Operations Officer | 200 0.0009% | $70.00 | $14,000 | +16.87% | |
| 2026-02-17 | Sale | Kenison Michael R. | Chief Operations Officer | 5,000 0.021% | $66.46 | $332,315 | +14.14% | |
| 2026-02-06 | Sale | Kenison Michael R. | Chief Operations Officer | 2,500 0.0094% | $60.00 | $150,000 | +12.58% | |
| 2025-11-25 | Sale | Kenison Michael R. | Chief Operations Officer | 3,048 0.0132% | $50.17 | $152,931 | +39.72% | |
| 2025-08-05 | Gawlick Rainer | director | 1,715 0.0071% | $43.79 | $75,105 | +24.91% | ||
| 2025-08-04 | Krishna Suresh | President and CEO | 1,725 0.0073% | $43.51 | $75,055 | +27.31% | ||
| 2024-09-06 | Bodor Robert | President and CEO | 3,480 0.0141% | $28.68 | $99,800 | +38.64% | ||
| 2021-12-03 | Bodor Robert | President and CEO | 3,138 0.0111% | $47.87 | $150,219 | -4.33% | ||
| 2021-12-01 | Baker Arthur R. III | Chief Technology Officer | 10,000 0.0367% | $49.21 | $492,100 | -3.42% | ||
| 2021-03-01 | Sale | Goodman John B | director | 1,000 0.0036% | $151.19 | $151,185 | -51.11% | |
| 2021-02-16 | Sale | HOLT VICTORIA M | President and CEO | 18,910 0.0718% | $188.21 | $3.56M | -57.31% | |
| 2021-02-16 | Sale | Baker Arthur R. III | Chief Technology Officer | 9,102 0.0343% | $187.00 | $1.7M | -57.31% | |
| 2020-12-18 | Sale | Gawlick Rainer | director | 2,000 0.0075% | $160.00 | $320,008 | -44.72% | |
| 2020-09-03 | Sale | HOLT VICTORIA M | President and CEO | 17,990 0.0673% | $154.95 | $2.79M | -18.69% |
| Bodor Robert | President and CEO | 80878 0.3388% | $5.59M | 2 | 14 | +17.16% |
| HOLT VICTORIA M | President and CEO | 58459 0.2449% | $4.04M | 2 | 3 | <0.0001% |
| Gawlick Rainer | director | 43883 0.1838% | $3.03M | 1 | 11 | +24.91% |
| Baker Arthur R. III | Chief Technology Officer | 30613 0.1282% | $2.12M | 2 | 3 | <0.0001% |
| Krishna Suresh | President and CEO | 18021 0.0755% | $1.25M | 1 | 0 | +27.31% |
| Smith Brian K | director | 2398 0.01% | $165,701.80 | 1 | 11 | +12.38% |
| NBGE Manager, LLC | 10 percent owner | 0 0% | $0 | 1 | 2 | +10.46% |
| Increased Positions | 121 | +51.49% | 1M | +6.58% |
| Decreased Positions | 98 | -41.7% | 1M | -6.79% |
| New Positions | 45 | New | 551,532 | New |
| Sold Out Positions | 26 | Sold Out | 416,962 | Sold Out |
| Total Postitions | 258 | +9.79% | 22M | -0.22% |
| Blackrock, Inc. | $185,973.00 | 15.09% | 3.62M | -30,853 | -0.84% | 2025-09-30 |
| Vanguard Group Inc | $140,955.00 | 11.44% | 2.74M | -27,890 | -1.01% | 2025-09-30 |
| Disciplined Growth Investors Inc /Mn | $133,118.00 | 10.8% | 2.59M | -129,638 | -4.76% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $67,082.00 | 5.44% | 1.31M | -9,561 | -0.73% | 2025-09-30 |
| State Street Corp | $60,352.00 | 4.9% | 1.18M | -11,143 | -0.94% | 2025-09-30 |
| Rubric Capital Management Lp | $57,683.00 | 4.68% | 1.12M | +89,167 | +8.62% | 2025-09-30 |
| Geode Capital Management, Llc | $29,117.00 | 2.36% | 567,036 | +4,700 | +0.84% | 2025-09-30 |
| Renaissance Technologies Llc | $27,916.00 | 2.27% | 543,651 | +1,600 | +0.29% | 2025-09-30 |
| Arrowstreet Capital, Limited Partnership | $23,653.00 | 1.92% | 460,618 | +13,488 | +3.02% | 2025-09-30 |
| D. E. Shaw & Co., Inc. | $18,340.00 | 1.49% | 357,163 | -95,529 | -21.1% | 2025-09-30 |