Proto Labs Inc

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Proto Labs Inc
TickerPRLB
CIK #0001443669
CUSIP743713109
SectorManufacturing - Fabricated Structural Metal Products
Address5540 Pioneer Creek, Maple Plain, MN 55359
Source [EDGAR]
CIK Filing 2011 - 2026
[0001443669] 10-K
[0001443669] 10-Q
[0001443669] 3
[0001443669] 4
[0001443669] 5
[0001443669] 8-K
[0001443669] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Proto Labs Inc [2026-04-30] 0.0
Vanguard Portfolio Management LLC Proto Labs Inc [2026-04-29] 0.0
Dimensional Fund Advisors LP Proto Labs Inc [2025-01-23] 0.0
Disciplined Growth Investors Inc /MN Proto Labs Inc [2022-02-15] 6.5
Harding Loevner LP Proto Labs Inc [2021-02-16] 5.99
Nikko Asset Management Americas Inc Proto Labs Inc [2021-02-11] 5.94
Sumitomo Mitsui Trust Holdings Inc Proto Labs Inc [2021-02-05] 5.94
BlackRock Inc Proto Labs Inc [2021-01-25] 16.3
Ark Investment Management LLC Proto Labs Inc [2020-10-09] 11.59
TimesSquare Capital Management LLC Proto Labs Inc [2017-02-13] 5.9
BlackRock Inc Proto Labs Inc [2017-01-09] 10.3
Vanguard Group Inc Proto Labs Inc [2015-02-10] 5.17
Franklin Resources Inc Proto Labs Inc [2015-02-09] 5.4
Brown Capital Management LLC Proto Labs Inc [2014-12-05] 5.85
Riverbridge Partners LLC Proto Labs Inc [2014-02-05] 5.32
Wells Fargo & Company/MN Proto Labs Inc [2014-01-27] 5.16
Kornitzer Capital Management Inc /KS Proto Labs Inc [2014-01-16] 5.29
NBGE Manager LLC Proto Labs Inc [2013-02-14] 14.0
[2013-02-14] None
Form 3/4/5 Filer 2011 - 2026
Wehrwein Sven
Proto Labs Inc
Krishna Suresh
Schumacher Daniel
Parlange Bernardo
Chin Moonhie
Krantz Donald G
Gawlick Rainer
Black Archie C
Chand Sujeet
Kenison Michael R
Kermisch Marc
Greiner Stacy
Ryaboy Oleg
Bodor Robert
Klaas Bjoern
Baker Arthur R III
Goodman John B
Way John
Holt Victoria M
FEIN David M
Tumelty John B
Smith Brian K
Schneider Jacqueline D
Lukis Lawrence J
Kohrs Douglas W
Judd John R
Cleveland Bradley A
Loftus Margaret A
Blodgett Matthew C
Bolton Edward E
North Bridge Growth Equity I LP
Anderson Edward T
NBGE Manager LLC
Damore Richard A
North Bridge Growth Management LP
NBGE GP LLC
Kingsley Douglas A
Dietrick William M
Pang Thomas H
Langton William R
Kubicek Mark R
Protomold Investment Company LLC
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Krishna Suresh
Common Stock
2026-02-25 Grant 13,373 $0.00
Krishna Suresh
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 24,383 $0.00
Kenison Michael R
Common Stock
2026-02-25 Tax withheld 531 $62.63 33,257
Kermisch Marc
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 5,095 $0.00
Schumacher Daniel
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 5,605 $0.00
Kenison Michael R
Common Stock
2026-02-25 Grant 2,415 $0.00
Schumacher Daniel
Common Stock
2026-02-25 Grant 3,074 $0.00
Schumacher Daniel
Common Stock
2026-02-25 Tax withheld 504 $62.63 31,566
Kenison Michael R
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 4,404 $0.00
Kermisch Marc
Common Stock
2026-02-25 Grant 2,795 $0.00
Kenison Michael R
Common Stock
2026-02-17 Sell 5,000 $66.46 332,300
Schumacher Daniel
Common Stock
2026-02-13 Tax withheld 1,267 $67.52 85,548
Kenison Michael R
Common Stock
2026-02-13 Tax withheld 1,540 $67.52 103,981
Schumacher Daniel
Common Stock
2026-02-11 Option exercise 3,135 $33.84 106,088
Schumacher Daniel
Employee Stock Option (right to buy) · derivative
2026-02-11 Option exercise 3,135 $0.00
Kenison Michael R
Common Stock
2026-02-10 Tax withheld 2,684 $53.18 142,735
Schumacher Daniel
Common Stock
2026-02-10 Tax withheld 6,809 $53.18 362,103
Kenison Michael R
Common Stock
2026-02-06 Sell 2,500 $60.00 150,000
Schumacher Daniel
Common Stock
2026-01-29 Grant 20,686 $0.00
Kenison Michael R
Common Stock
2026-01-29 Grant 8,128 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 263 22,186,797
2025-12-31 236 21,841,397
2025-09-30 213 21,779,624
2025-06-30 202 21,606,062
2025-03-31 190 21,909,800
2024-12-31 201 21,683,243
2024-09-30 194 21,782,361
2024-06-30 206 21,565,791
2024-03-31 205 23,790,068
2023-12-31 221 22,894,909
2023-09-30 187 21,626,790
2023-06-30 196 22,211,052
Form 13F Holdings
Firm Period DFND Voting Shares
Aegon Asset Management UK PLC [2026-06-30] SOLE 31,000 31,000
Assenagon Asset Management SA [2026-06-30] SOLE 12,238 12,238
Diversified Trust Co [2026-06-30] SOLE 0 11,795
Louisiana State Employees Retirement System [2026-06-30] SOLE 10,500 10,500
Alaska Retirement Management Board [2026-06-30] SOLE 9,155 9,155
Perpetual Ltd [2026-06-30] DFND 7,861 7,861
Yousif Capital Management LLC [2026-06-30] SOLE 1,500 6,360
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 5,642 5,642
Auto-Owners Insurance Co [2026-06-30] SOLE 4,500 4,500
Farther Finance Advisors LLC [2026-06-30] SOLE 0 1,619
Gamma Investing LLC [2026-06-30] DFND 1,219 1,219
Versant Capital Management Inc [2026-06-30] SOLE 448 448
Hoese & Co LLP [2026-06-30] SOLE 200 200
Aventura Private Wealth LLC [2026-06-30] SOLE 200 200
Perpetual Ltd [2026-06-30] SOLE 145 145
Ares Financial Consulting LLC [2026-06-30] SOLE 53 53
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 29
Farmers & Merchants Investments Inc [2026-06-30] SOLE 15 15
First Horizon Corp [2026-06-30] DFND 14 14
True Wealth Design LLC [2026-06-30] SOLE 0 10
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 9 9
Torren Management LLC [2026-06-30] SOLE 0 8
Cedar Mountain Advisors LLC [2026-06-30] SOLE 0 4
JFS Wealth Advisors LLC [2026-06-30] SOLE 0 4
IFP Advisors LLC [2026-06-30] SOLE 3 3
Davis Capital Management [2026-06-30] SOLE 1 1
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