Michael R. Kenison sold $14k of PRLB
Chief Operations Officer at Proto Labs Inc. 200 shares at an average of $70.00, traded May 7, 2026, filed May 8, 2026.
Score components
- +20RoleCOO
- 0Trade size$14k at market
- 0Share of holdings soldSold 0.7% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
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 +4.8%, 3m +28.3%, 6m -.
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.
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 0001628280-26-032958, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 7, 2026 | MOption exercise Common Stock10b5-1 | +100 | $33.84 | $3,384 | 27,286 | May 8, 2026 |
| May 7, 2026 | MOption exercise Common Stock10b5-1 | +100 | $33.52 | $3,352 | 27,386 | May 8, 2026 |
| May 7, 2026 | SOpen-market sale Common Stock10b5-1 | -200 | $70.00 | $14k | 27,186 | May 8, 2026 |
| May 7, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -100 | $0.00 | $0 | 7,612 | May 8, 2026 |
| May 7, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -100 | $0.00 | $0 | 7,455 | May 8, 2026 |
Related signals
Other insiders at Proto Labs Inc and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 25Weak | Proto Labs Inc | Daniel Schumacher Chief Financial Officer | $477k 5,000 shares | -12% | |
| 24Weak | 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 | Proto Labs Inc | Michael R. Kenison Chief Operations Officer | $1.6M 23,463 shares | -68% | |
| 20Weak | Proto Labs Inc | Michael R. Kenison Chief Operations Officer | $332k 5,000 shares | -17% | |
| 11Weak | Proto Labs Inc | Michael R. Kenison Chief Operations Officer | $150k 2,500 shares | -7% | |
| 0Weak | Proto Labs Inc | Michael R. Kenison Chief Operations Officer | $153k 3,048 shares | -10% | |
| 0Weak | Proto Labs Inc | Michael R. Kenison Chief Operations Officer | $153k 3,048 shares | -10% | |
| 31Weak | Proto Labs Inc | Rainer Gawlick director | $75k 1,715 shares | +4% | |
| 44Moderate | Proto Labs Inc | Suresh Krishna President and CEO | $75k 1,725 shares | +11% |
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.