NYSE · CIK 0001443669
PRLB Proto Labs Inc
Insider trading from SEC Form 4. Last filing 17 d ago. Close $93.84 on Oct 9, 2026, +100% from the 52-week low and -5% from the high.
Last 90 days
Net insider value
-$903k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
2
$903k by 1 insider
Insiders on file
11
with a Form 4 at this company
Price and insider trades, last year
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
Open-market buys and sells at Proto Labs Inc, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 25Weak | Daniel Schumacher Chief Financial Officer sell | $477k 5,000 shares | -12% | - | |
| 24Weak | Daniel Schumacher Chief Financial Officer sell | $426k 5,000 shares | -11% | - |
Transactions
The last 24 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 24, 2026 | Daniel Schumacher Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -5,000 | $95.32 | $477k | 35,019 | 17 d ago |
| Sep 16, 2026 | Daniel Schumacher Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -100 | $85.00 | $8,500 | 44,919 | 24 d ago |
| Sep 17, 2026 | Daniel Schumacher Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -4,900 | $85.21 | $418k | 40,019 | 24 d ago |
| May 23, 2025 | Archie C. Black director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 26,218 | May 28, 2025 |
| May 23, 2025 | Sujeet Chand director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 24,653 | May 28, 2025 |
| May 23, 2025 | Moonhie Chin director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 20,096 | May 28, 2025 |
| May 23, 2025 | Rainer Gawlick director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 42,168 | May 28, 2025 |
| May 23, 2025 | Stacy Greiner director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 19,644 | May 28, 2025 |
| May 23, 2025 | Donald G Krantz director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 24,653 | May 28, 2025 |
| May 23, 2025 | Suresh Krishna President and CEO | AGrant or award Common Stock | +16,296 | $0.00 | $0 | 16,296 | May 28, 2025 |
| May 23, 2025 | Sven Wehrwein director | AGrant or award Common Stock | +3,939 | $0.00 | $0 | 32,295 | May 28, 2025 |
| May 23, 2025 | Suresh Krishna President and CEO | AGrant or award Employee Stock Option (right to buy)derivative | +29,522 | $0.00 | $0 | 29,522 | May 28, 2025 |
| May 20, 2025 | Michael R. Kenison Chief Operations Officer | FTax withholding Common Stock | -204 | $40.87 | $8,337 | 28,841 | May 22, 2025 |
| May 20, 2025 | Daniel Schumacher Chief Financial Officer | FTax withholding Common Stock | -305 | $40.87 | $12k | 26,959 | May 22, 2025 |
| Feb 25, 2025 | Robert Bodor President and CEO | AGrant or award Common Stock | +18,935 | $0.00 | $0 | 108,579 | Feb 27, 2025 |
| Feb 25, 2025 | Michael R. Kenison Chief Operations Officer | AGrant or award Common Stock | +6,943 | $0.00 | $0 | 28,982 | Feb 27, 2025 |
| Feb 25, 2025 | Robert Bodor President and CEO | AGrant or award Employee Stock Option (right to buy)derivative | +33,986 | $0.00 | $0 | 33,986 | Feb 27, 2025 |
| Feb 25, 2025 | Michael R. Kenison Chief Operations Officer | AGrant or award Employee Stock Option (right to buy)derivative | +6,231 | $0.00 | $0 | 6,231 | Feb 27, 2025 |
| Feb 13, 2025 | Robert Bodor President and CEO | AGrant or award Common Stock | +23,570 | $0.00 | $0 | 104,448 | Feb 18, 2025 |
| Feb 13, 2025 | Michael R. Kenison Chief Operations Officer | AGrant or award Common Stock | +1,894 | $0.00 | $0 | 24,315 | Feb 18, 2025 |
| Feb 13, 2025 | Robert Bodor President and CEO | FTax withholding Common Stock | -7,536 | $45.03 | $339k | 96,912 | Feb 18, 2025 |
| Feb 13, 2025 | Michael R. Kenison Chief Operations Officer | FTax withholding Common Stock | -580 | $45.03 | $26k | 23,735 | Feb 18, 2025 |
| Feb 13, 2025 | Robert Bodor President and CEO | FTax withholding Common Stock | -7,268 | $45.03 | $327k | 89,644 | Feb 18, 2025 |
| Feb 13, 2025 | Michael R. Kenison Chief Operations Officer | FTax withholding Common Stock | -1,696 | $45.03 | $76k | 22,039 | Feb 18, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Archie C. Blackdirector
- Robert BodorPresident and CEO
- Sujeet Chanddirector
- Moonhie Chindirector
- Rainer Gawlickdirector
- Stacy Greinerdirector
- Donald G Krantzdirector
- Michael R. KenisonChief Operations Officer
- Suresh KrishnaPresident and CEO
- Daniel SchumacherChief Financial Officer
- Sven Wehrweindirector
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.