Sanofi S.A., FR0000120578

Sanofi stock ends the day flat after the close

Published on 09/21/2026 at 22:47 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 21, 2026, Sanofi stock finished the U.S. session without a reported Nasdaq-listed close; the U.S.-listed shares of Sanofi were last quoted at USD 42.73, up 0.59 percent, in late trade.

Modern pharmaceutical sterile fill-and-finish manufacturing facility interior with glass vial-filling machines and cleanroom workers in white suits
Sanofi FR0000120578 photorealistic sterile fill-and-finish facility with vial-filling machines and cleanroom workers, Illustration mit AI erstellt.

Sanofi stock finished the U.S. session on September 21, 2026, with its Nasdaq-listed ADRs last quoted at USD 42.73, up 0.59 percent from the prior close. The move left the U.S.-listed shares of Sanofi near the middle of their recent range.

September 21, 2026 close on the Nasdaq

Sanofi SE (ISIN FR0000120578, Nasdaq: SNY) was quoted at USD 42.73 on Nasdaq in the latest hit, with the session marked up 0.59 percent. The same source put the prior close at USD 42.48, and the spread between the two prices was USD 0.25.

Ad-hoc-News said the stock was trading close to EUR 74 on Euronext Paris around 09:35 CET, while a Reuters market note showed the S&P 500 up 1.05 percent and the Dow Jones Industrial Average up 0.50 percent at 11:22 a.m. ET. The difference reflects the exchange rate, and the U.S.-listed shares outperformed the Dow on the day.

After-hours and next session

Reuters reported that Sanofi agreed to transfer a portfolio of 20 mature medicines and three manufacturing sites to Cheplapharm in exchange for a 26.4 percent stake, a move that kept the stock in focus on September 21, 2026. The market reaction was still centered on the regular session close, with no later U.S. after-hours quote in the hit set.

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