Form 4: Proto Labs CFO Sells Shares
Insider Transaction (Form 4)
Daniel Schumacher, Chief Financial Officer of Proto Labs Inc, sold 5,000 shares of common stock on September 16, 2026.
Summary
- Open-market sale: disposed of 100 Common Stock at $85.00 ($8,500) on September 16, 2026; holds 44,919 after (Direct).
- Open-market sale: disposed of 4,900 Common Stock at $85.21 ($417,535) on September 17, 2026; holds 40,019 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $426,035 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Daniel Schumacher — Officer (Chief Financial Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-16 | Open-market sale | Common Stock | 100 | $85 | $8.5K | 44,919 |
| 2026-09-17 | Open-market sale | Common Stock | 4,900 | $85 | $417.5K | 40,019 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-16 | Open-market sale (100 shares) |
| 2026-09-17 | Open-market sale (4,900 shares) |
Keywords
insider transaction, Form 4, PRLB, Proto Labs Inc, bearish, Daniel Schumacher
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