Kenison Michael R. 4

What Happened
Michael R. Kenison, Chief Operations Officer of Proto Labs Inc. (PRLB), sold 2,500 shares of company stock on February 6, 2026. The shares were disposed at $60.00 per share for a total proceeds of $150,000. This was a sale (not a purchase), which is often routine insider selling rather than a direct bullish signal.

Key Details

• Transaction date and price: February 6, 2026 — 2,500 shares sold at $60.00 per share.
• Total value: $150,000.
• Shares owned after transaction: Not disclosed in the provided filing.
• Footnote: The sale was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2025.
• Filing timeliness: Form 4 filed Feb 9, 2026 for a Feb 6 transaction — appears to be filed within the usual two-business-day deadline.

Context
A Rule 10b5-1 plan allows insiders to prearrange trades to avoid the appearance of trading on nonpublic information; sales under such plans are generally considered preplanned and routine. For retail investors, purchases tend to be more informative about insider conviction than occasional preplanned sales.