Watch PRLB. Know when insiders buy.
One email the day a filing lands. Free.
PRLB
Proto Labs Inc
87.75
+1.33 +1.54%
USD · close Sep 18
A free account adds a watchlist, alerts when insiders, Congress or short sellers move on your tickers, and a morning brief. Sign up
Work order
50
WATCH · insiders 33, shorts 67
Insiders, 90 days
−$426K
net selling · 0 buys, 2 sells
Congress, 90 days
0 / 0
no disclosures naming it
Big money
0 / 15
none of the tracked funds disclose it
Calls on record
0
nobody we score has called it yet
MKT CAP $2.1BP/E 70.2DIV YIELD —FCF YIELD 2.70%REV TTM —NET INCOME $30.5M +105.8%NET CASH $127.6M52W 46.81 – 92.32SEC XBRL · TTM TO Invalid Date
Short interest
| Report date | Shares short | Change | % of shares out | Avg daily volume | Days to cover |
|---|---|---|---|---|---|
| 2026-08-31 | 615K | −41K | 2.57% | 175K | 3.5 |
| 2026-08-14 | 656K | −19K | 2.74% | 219K | 3.0 |
| 2026-07-31 | 675K | −928 | 2.82% | 164K | 4.1 |
| 2026-07-15 | 676K | −3K | 2.83% | 245K | 2.8 |