Representative's Stock Moves Highlight NXP Semiconductors Activity Representative Julie Johnson disclosed a purchase of shares in NXP Semiconductors, valued between $1,001 and $15,000. This follows a series of trades by the congresswoman in February, including investments in Union Pacific and Goldman Sachs. NXP Semiconductors' stock has seen fluctuations, with a recent opening at $201.02, near its 12-month low.12