Arthur R. Baker III, Chief Technology Officer at Proto Labs Inc (PRLB), sold 6,948 shares at $154.81 ($1.1M) on 2018-09-04, disclosed to the SEC on 2018-09-11.
Open-market sale of $1.1M PRLB by Chief Technology Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $154.81 | 3,474 | $538K | 50.0% |
| 2 | $154.81 | 3,474 | $538K | 50.0% |
| Total | $154.81 avg | 6,948 | $1.1M | 100% |
| Filing → |
| PRLB | SELL | 2020-05-20 | $458K | — | Filing → |
| PRLB | BUY | 2016-09-06 | $165K | — | Filing → |
| MTSC | SELL | 2014-02-18 | $777K | — | Filing → |