Proto Labs Inc

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Proto Labs Inc
CIK #0001443669
EDGAR Form CIK 2011 - 2026
10-K [0001443669]
10-Q [0001443669]
3 [0001443669]
4 [0001443669]
5 [0001443669]
8-K [0001443669]
SC 13G [0001443669]
Form 13D/13G Filer Form 13D/13G Subject Filed
Vanguard Capital Management LLC Proto Labs Inc [2026-04-30]
Vanguard Portfolio Management LLC Proto Labs Inc [2026-04-29]
Dimensional Fund Advisors LP Proto Labs Inc [2025-01-23]
Disciplined Growth Investors Inc /MN Proto Labs Inc [2022-02-15]
Harding Loevner LP Proto Labs Inc [2021-02-16]
Nikko Asset Management Americas Inc Proto Labs Inc [2021-02-11]
Sumitomo Mitsui Trust Holdings Inc Proto Labs Inc [2021-02-05]
BlackRock Inc Proto Labs Inc [2021-01-25]
Ark Investment Management LLC Proto Labs Inc [2020-10-09]
TimesSquare Capital Management LLC Proto Labs Inc [2017-02-13]
View All
Form 3/4/5 Subject 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 ($)
Proto Labs Inc PRLB
Common Stock
2026-02-25 Grant 13,373 $0.00
Proto Labs Inc PRLB
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 5,095 $0.00
Proto Labs Inc PRLB
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 4,404 $0.00
Proto Labs Inc PRLB
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 24,383 $0.00
Proto Labs Inc PRLB
Common Stock
2026-02-25 Grant 2,415 $0.00
Proto Labs Inc PRLB
Common Stock
2026-02-25 Tax withheld 504 $62.63 31,566
Proto Labs Inc PRLB
Employee Stock Option (right to buy) · derivative
2026-02-25 Grant 5,605 $0.00
Proto Labs Inc PRLB
Common Stock
2026-02-25 Tax withheld 531 $62.63 33,257
Proto Labs Inc PRLB
Common Stock
2026-02-25 Grant 2,795 $0.00
Proto Labs Inc PRLB
Common Stock
2026-02-25 Grant 3,074 $0.00
Proto Labs Inc PRLB
Common Stock
2026-02-17 Sell 5,000 $66.46 332,300
Proto Labs Inc PRLB
Common Stock
2026-02-13 Tax withheld 1,267 $67.52 85,548
Proto Labs Inc PRLB
Common Stock
2026-02-13 Tax withheld 1,540 $67.52 103,981
Proto Labs Inc PRLB
Common Stock
2026-02-11 Option exercise 3,135 $33.84 106,088
Proto Labs Inc PRLB
Employee Stock Option (right to buy) · derivative
2026-02-11 Option exercise 3,135 $0.00
Proto Labs Inc PRLB
Common Stock
2026-02-10 Tax withheld 6,809 $53.18 362,103
Proto Labs Inc PRLB
Common Stock
2026-02-10 Tax withheld 2,684 $53.18 142,735
Proto Labs Inc PRLB
Common Stock
2026-02-06 Sell 2,500 $60.00 150,000
Proto Labs Inc PRLB
Common Stock
2026-01-29 Grant 8,128 $0.00
Proto Labs Inc PRLB
Common Stock
2026-01-29 Grant 20,686 $0.00
showing 20 of 200 most recent transactions
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