InsiderClue
Stocks · Industrials · Fabricated Structural Metal Products

Proto Labs Inc

PRLB Clue Score57
United States Fiscal year ends December CIK 0001443669 Results filed 29 Oct 2026
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What the insiders did Net selling

Individual transactions

11
Insider
Date
Role
Action
Shares
Price
Amount
Daniel Schumacher
11 Feb 2026
Chief Financial Officer
Exercised, kept
3,135
$33.84
$106.09K
Rainer Gawlick
13 Apr 2020
Director
Exercised, kept
2,381
$30.58
$72.81K
Rainer Gawlick
8 Nov 2019
Director
Exercised, kept
2,381
$30.58
$72.81K
Rainer Gawlick
11 Feb 2019
Director
Exercised, kept
700
$5.56
$3.89K
Rainer Gawlick
24 Oct 2018
Director
Exercised, kept
800
$5.56
$4.45K
Rainer Gawlick
22 Oct 2018
Director
Exercised, kept
800
$5.56
$4.45K
Rainer Gawlick
31 Jul 2018
Director
Exercised, kept
800
$5.56
$4.45K
Rainer Gawlick
26 Jul 2018
Director
Exercised, kept
800
$5.56
$4.45K
Rainer Gawlick
24 Apr 2018
Director
Exercised, kept
800
$5.56
$4.45K
Rainer Gawlick
11 Apr 2018
Director
Exercised, kept
800
$5.56
$4.45K
Rainer Gawlick
5 Dec 2017
Director
Exercised, kept
5,000
$5.56
$27.80K
Show all 92 transactions →

What was left out

Form 4 filings counted 229
Amendments (4/A) skipped 12
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 5
Sales straight out of an exercise 55
Sales at will 14
Transactions with no price 0
Shares from compensation/vesting 888,589
Sales filed before the plan box existed 12
History held since 27 Feb 2012