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PRLB
Ticker

Proto Labs, Inc.

PRLB · Industrials · Proto Labs, Inc., together with its subsidiaries, operates as a digital manufacturer of custom parts in the United States and Europe

Proto Labs, Inc. (PRLB), in the Industrials sector, has 8 disclosed filings on Paydirt over the trailing twelve months from 3 corporate insiders: 0 purchases and 8 sales, 1 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 24 and filed Sep 25. The most active filer was Michael R. Kenison with 5 filings. Data as of Nov 8 2026.

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Filings, ttm
8
0 buys · 8 sells · 1 late
Traders, ttm
3
3 insiders
Volume, ttmiDollar value disclosed in the window
$3.3M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Sep 24
Filed Sep 25
ADViAverage daily dollar volume
$18.2M
market data
Share price · 12M
$94.37 (+92.5%)
$96.90$71.86$46.81Nov 10 2025Apr 23Oct 1

Adjusted for splits and dividends.

Volume by month
$1.6M$818K$0Dec 2024Jun 2025Dec 2025Jun 2026Nov 2025 · sells $153KDec 2025 · sells $153KFeb 2026 · sells $482KMay 2026 · sells $1.6MJun 2026 · sells $115KSep 2026 · sells $894K
Buys $0 Sells $3.4M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months
MK Michael R. Kenison Chief Operations Officer 5 filings · 0 buys, 5 sales DS Daniel Schumacher Chief Financial Officer 2 filings · 0 buys, 2 sales SW Sven Wehrwein Director 1 filing · 0 buys, 1 sale
Recent filings
Daniel SchumacherSALE Chief Financial Officer $477K
5,000 sh × $95.32
Exec Sep 24
Filed Sep 25 · 4:11 PM ET Daniel SchumacherSALE Chief Financial Officer $418K
4,900 sh × $85.21
Exec Sep 17
Filed Sep 18 · 4:02 PM ET Sven WehrweinSALE Director $115K
1,500 sh × $76.91
Exec Jun 2
Filed Jun 4 · 5:30 PM ET Michael R. KenisonSALE Chief Operations Officer $1.6M
23,463 sh across 5 lots
Exec May 11
Filed May 13 · 5:30 PM ET Michael R. KenisonSALE Chief Operations Officer $332K
5,000 sh × $66.46
Exec Feb 17
Filed Feb 18 · 5:30 PM ET Michael R. KenisonSALE Chief Operations Officer $150K
2,500 sh × $60.00
Exec Feb 6
Filed Feb 9 · 5:30 PM ET Michael R. KenisonSALE Chief Operations Officer $153K
3,048 sh × $50.17
Exec Nov 25 2025
Filed Dec 3 2025 · 5:30 PM ET † Michael R. KenisonSALE Chief Operations Officer $153K
3,048 sh × $50.17
Exec Nov 25 2025
Filed Nov 26 2025 · 5:30 PM ET