Daniel Schumacher, Chief Financial Officer at Proto Labs, sold PRLB on Sep 16, 2026
Data as of Oct 16
- Traded
- Sep 16, 2026
- Disclosed
- Sep 18, 2026
- Filed
- 2 days after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
PRLB since disclosure
−2.4%
after the sale
Similar stocks (SPY) since disclosure
+0.2%
S&P 500 (SPY)
Change in closing price from Sep 18, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.
Other trades in the same filing
- ▼ SELLDaniel Schumacher Chief Financial OfficerPRLB Proto Labs Inc$418Kdisclosed Sep 18 · filed 1 day after the trade