Proto Labs Inc PRLB
We take great care to ensure that the data presented and summarized in this overview for Proto Labs Inc is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding PRLB
View all-
Black Rock Inc. New York, NY4.32MShares$210 Million0.0% of portfolio
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Vanguard Group Inc Valley Forge, PA2.74MShares$133 Million0.0% of portfolio
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Disciplined Growth Investors Inc Minneapolis, MN2.59MShares$126 Million2.81% of portfolio
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Dimensional Fund Advisors LP Austin, TX1.31MShares$63.4 Million0.01% of portfolio
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State Street Corp Boston, MA1.18MShares$57 Million0.0% of portfolio
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Rubric Capital Management LP New York, NY1.12MShares$54.5 Million0.92% of portfolio
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Geode Capital Management, LLC Boston, MA567KShares$27.5 Million0.0% of portfolio
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Jim Simons Renaissance Technologies LLC | New York, Ny544KShares$26.4 Million0.04% of portfolio
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Arrowstreet Capital, Limited Partnership Boston, MA461KShares$22.3 Million0.02% of portfolio
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D. E. Shaw & Co., Inc. New York, NY357KShares$17.3 Million0.01% of portfolio
Latest Institutional Activity in PRLB
Top Purchases
Top Sells
About PRLB
Proto Labs, Inc., together with its subsidiaries, operates as an e-commerce driven digital manufacturer of custom prototypes and on-demand production parts in the worldwide. The company offers injection molding; computer numerical control machining; three-dimensional (3D) printing, which include stereolithography, selective laser sintering, direct metal laser sintering, multi jet fusion, polyjet, and carbon DLS processes; and sheet metal fabrication products, including quick-turn and e-commerce-enabled custom sheet metal parts. It serves developers and engineers, who use 3D computer-aided design software to design products across a range of end markets. The company was incorporated in 1999 and is headquartered in Maple Plain, Minnesota.
Insider Transactions at PRLB
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 25
2025
|
Michael R. Kenison Chief Operations Officer |
SELL
Open market or private sale
|
Direct |
3,048
-9.54%
|
$152,400
$50.17 P/Share
|
|
Nov 25
2025
|
Michael R. Kenison Chief Operations Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,048
+8.71%
|
$100,584
$33.84 P/Share
|
|
Nov 17
2025
|
Marc Kermisch Chief Technology & AI Officer |
BUY
Grant, award, or other acquisition
|
Direct |
3,718
+50.0%
|
-
|
|
Aug 05
2025
|
Rainer Gawlick Director |
BUY
Open market or private purchase
|
Direct |
1,715
+3.76%
|
$73,745
$43.79 P/Share
|
|
Aug 04
2025
|
Suresh Krishna President and CEO |
BUY
Open market or private purchase
|
Direct |
1,725
+8.74%
|
$74,175
$43.51 P/Share
|
|
May 23
2025
|
Archie C. Black Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+13.06%
|
-
|
|
May 23
2025
|
Sven Wehrwein Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+10.87%
|
-
|
|
May 23
2025
|
Stacy Greiner Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+16.7%
|
-
|
|
May 23
2025
|
Sujeet Chand Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+13.78%
|
-
|
|
May 23
2025
|
Moonhie Chin Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+16.39%
|
-
|
|
May 23
2025
|
Rainer Gawlick Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+8.54%
|
-
|
|
May 23
2025
|
Donald G Krantz Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,939
+13.78%
|
-
|
|
May 23
2025
|
Suresh Krishna President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
16,296
+50.0%
|
-
|
|
May 20
2025
|
Michael R. Kenison Chief Operations Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
204
-0.7%
|
$8,160
$40.87 P/Share
|
|
May 20
2025
|
Daniel Schumacher Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
305
-1.12%
|
$12,200
$40.87 P/Share
|
|
Feb 25
2025
|
Robert Bodor President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
18,935
+14.85%
|
-
|
|
Feb 25
2025
|
Oleg Ryaboy Chief Technology Officer |
BUY
Grant, award, or other acquisition
|
Direct |
7,574
+17.66%
|
-
|
|
Feb 25
2025
|
Michael R. Kenison Chief Operations Officer |
BUY
Grant, award, or other acquisition
|
Direct |
6,943
+19.33%
|
-
|
|
Feb 25
2025
|
Daniel Schumacher Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
4,419
+13.95%
|
-
|
|
Feb 13
2025
|
Oleg Ryaboy Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,461
-8.15%
|
$110,745
$45.03 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 114K shares |
|---|---|
| Open market or private purchase | 3.44K shares |
| Exercise of conversion of derivative security | 3.05K shares |
| Payment of exercise price or tax liability | 22.4K shares |
|---|---|
| Open market or private sale | 3.05K shares |