Skip to content
buyModerate cluster of 2

Suresh Krishna bought $75k of PRLB

President and CEO at Proto Labs Inc. 1,725 shares at an average of $43.51, traded Aug 4, 2025, filed Aug 6, 2025.

Conviction score
44
Value
$75k
1,725 shares
Holdings after
18,021
+11% from before
From 52-week low
+62%
low $26.71, close $43.35
From 52-week high
-4%
high $45.03, as of Aug 4, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $75k at market
    +8
  • Relative to holdings
    Holdings up 11%
    +3
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +11.1%, 3m +10.8%, 6m +18.9%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

PRLBOct 12, 2026 · close 91.60
Since filing Aug 6, 2025: +103.7%SPY +24.6% · excess +79.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001628280-25-038522, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 4, 2025POpen-market purchase
Common Stock
+1,725$43.51$75k18,021Aug 6, 2025

Related signals

Other insiders at Proto Labs Inc and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
25Weak
PRLBsell10b5-1
Proto Labs Inc
Daniel Schumacher
Chief Financial Officer
$477k
5,000 shares
-12%
24Weak
PRLBsell10b5-1
Proto Labs Inc
Daniel Schumacher
Chief Financial Officer
$426k
5,000 shares
-11%
26Weak
PRLBsell
Proto Labs Inc
Sven Wehrwein
director
$155k
2,000 shares
-6%
30Weak
PRLBsell10b5-1
Proto Labs Inc
Michael R. Kenison
Chief Operations Officer
$1.6M
23,463 shares
-68%
0Weak
PRLBsell10b5-1
Proto Labs Inc
Michael R. Kenison
Chief Operations Officer
$14k
200 shares
-1%
20Weak
PRLBsell10b5-1
Proto Labs Inc
Michael R. Kenison
Chief Operations Officer
$332k
5,000 shares
-17%
11Weak
PRLBsell10b5-1
Proto Labs Inc
Michael R. Kenison
Chief Operations Officer
$150k
2,500 shares
-7%
0Weak
PRLBsell10b5-1
Proto Labs Inc
Michael R. Kenison
Chief Operations Officer
$153k
3,048 shares
-10%
0Weak
PRLBsell10b5-1
Proto Labs Inc
Michael R. Kenison
Chief Operations Officer
$153k
3,048 shares
-10%
31Weak
PRLBbuy 2
Proto Labs Inc
Rainer Gawlick
director
$75k
1,715 shares
+4%

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.

Suresh Krishna bought $75k of PRLB | InsiderTell