By George Glover

Impinj stock was tumbling on Wednesday after the radio-frequency identification chip maker issued solid enough earnings and revenue guidance. Investors were pricing in perfection for the fourth quarter.

Shares, which trade under the ticker PI, dropped 5.3% to $189 ahead of the opening bell. Futures tracking the S&P 500 were 0.2% lower as the market awaited bank results, a slew of economic data, and a potential Supreme Court ruling on tariffs.

Impinj late Tuesday gave investors an update about its fourth-quarter earnings, due out on Feb. 5. The company expects to report adjusted earnings before interest, taxes, depreciation, and amortization above the midpoint of its prior guidance of $15.4 to $16.9 million, on revenue near the high end of its prior guidance of $90 million to $93 million.

Analysts were expecting adjusted Ebitda of $15.8 million on sales of $91.8 million, according to a FactSet poll.

Wall Street was probably hoping that Impinj would hike its quarterly guidance, which looks a little modest compared with previous quarters. Susquehanna Financial Group analyst Christopher Rolland said in October that the fourth-quarter guidance was "perhaps a disappointment for bulls, as it appears much of the third-quarter strength may have come at the expense of the fourth quarter." He rates the stock at a Buy, with a $255 price target that implies upside of 28% upside.

Impinj describes itself as an "Internet of Things" pioneer, referring to its chips' role in tagging everyday products for computer systems. Shares jumped 20% last year, beating the S&P 500's 16% gain.

Write to George Glover at george.glover@dowjones.com

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January 14, 2026 05:24 ET (10:24 GMT)

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