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Daniel Schumacher, Chief Financial Officer at Proto Labs, sold PRLB on Sep 17, 2026

Data as of Oct 16

▼ SELL$418K4,900 shares at $85.21Daniel Schumacher Chief Financial OfficerPRLB Proto Labs Inc
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Traded
Sep 17, 2026
Disclosed
Sep 18, 2026
Filed
1 day after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Daniel Schumacher, Chief Financial Officer at Proto Labs, sold PRLB on Sep 17, 2026TRADEDDISCLOSED
PRLBSimilar stocks (S&P 500 (SPY)), rebased to PRLB's price on the disclosure day
PRLB since disclosure
−2.4%
after the sale
Similar stocks (SPY) since disclosure
+0.2%
S&P 500 (SPY)

Change in closing price from Sep 18, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLDaniel Schumacher Chief Financial OfficerPRLB Proto Labs Inc$8.5Kdisclosed Sep 18 · filed 2 days after the trade

See every trade on PRLB →