Insider · CIK 0001894753
Daniel Schumacher
cfoofficer
Files at PRLB (Proto Labs Inc). First filing Sep 18, 2026, latest Sep 25, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $903k sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
PRLB: Proto Labs Inc
PRLBOct 9, 2026 · close 93.84
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 25Weak | Proto Labs Inc | $477k 5,000 shares | -12% | - | |
| 24Weak | Proto Labs Inc | $426k 5,000 shares | -11% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 24, 2026 | PRLB Proto Labs Inc | SOpen-market sale Common Stock10b5-1 | -5,000 | $95.32 | $477k | 35,019 | 17 d ago |
| Sep 16, 2026 | PRLB Proto Labs Inc | SOpen-market sale Common Stock10b5-1 | -100 | $85.00 | $8,500 | 44,919 | 24 d ago |
| Sep 17, 2026 | PRLB Proto Labs Inc | SOpen-market sale Common Stock10b5-1 | -4,900 | $85.21 | $418k | 40,019 | 24 d ago |
| May 20, 2025 | PRLB Proto Labs Inc | FTax withholding Common Stock | -305 | $40.87 | $12k | 26,959 | May 22, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.