System1 Inc. (NYSE:SST) shares tumbled in after-hours trading Tuesday after the company reported a wider quarterly loss and a sharp decline in revenue.
System1 shares fell 33.26% to $2.97 in after-hours trading Tuesday after gaining 16.19% during the regular session to close at $4.45, according to Benzinga Pro data.
System1 operates consumer internet brands including coupon site CouponFollow, mapping platform MapQuest and privacy-focused search engine Startpage.com, alongside an AI-powered digital advertising platform.
Revenue Drop Weighs On Shares
The company reported first-quarter 2026 revenue of $37.2 million, down from $74.5 million during the same period last year.
System1 also posted a GAAP net loss of $57.6 million, compared with a net loss of $19.9 million a year earlier.
Operating loss widened to approximately $51 million, while the company recorded a $36.8 million impairment charge tied to long-lived assets.
CEO Michael …
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