Cintas-UniFirst Deal Spread Widens Amid Increased FTC Scrutiny, Bernstein Reports

The market is signaling growing concern over Cintas's (NASDAQ: CTAS) planned acquisition of UniFirst (NYSE: UNF), as a widening merger arbitrage spread reflects increased skepticism about the deal's approval amid intensifying regulatory scrutiny, according to a note from Bernstein.

Market Signals Doubt

Analysts at Bernstein observed that the market-implied odds of the deal closing have fallen significantly. Key indicators of the shifting sentiment include:

• The probability of approval has dropped to approximately 70% from around 85% on August 25, according to the firm's analysis.
• This change is reflected in the companies' stock performance, with UniFirst shares falling 7% over that period, while Cintas shares declined a more modest 2%.

In a merger arbitrage scenario, a widening spread between the target company's stock price and the acquisition price typically indicates rising investor doubt that the transaction will be completed on its original terms, if at all.

Intensifying Regulatory Scrutiny

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Bernstein analyst Connor Cerniglia pointed to two primary drivers behind the market's apprehension. The first is a report that the Federal Trade Commission (FTC) has issued "expansive" civil investigative demands to third-party industry participants as part of its merger review. While such requests are a standard part of the process, the description suggests a broader-than-usual inquiry.

A second factor is a 160-page independent industry report from Uniform Bright, which was prepared for submission to regulators. According to Bernstein, deal skeptics believe this report could provide the FTC, the Department of Justice, and state attorneys general with material to challenge the merger.

Outlook and Timeline

Despite the market's jitters, Cintas management continues to expect the transaction to be approved. The company is scheduled to complete its response to the FTC's second request between September and November, a key step in the regulatory process.

Bernstein stated that deal approval remains its base case, with an expected closing in early 2027. However, the note stressed that the market-implied 30% chance of failure now represents "a risk worth monitoring" for investors.