Material Event Form 8 K

On October 30, 2024, Equillium, Inc. (the "Company") received a letter from the Listing Qualifications Department of The Nasdaq Stock Market LLC ("Nasdaq") notifying the Company that it has regained compliance with the minimum bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2) (the "Bid Price Rule") for continued inclusion on The Nasdaq Capital Market. As previously disclosed in the Company's Current Report on Form 8-K filedon July 23, 2024, the Company received a written notice from Nasdaq on July 19, 2024, notifying the Company that it was not in compliance with the Bid Price Rule because its common stock had failed to meet the $1.00 per share minimum bid price requirement for continued inclusion on The Nasdaq Capital Market. To regain compliance with the Bid Price Rule, the Company's common stock was required to maintain a closing bid price of $1.00 per share or more for at least 10 consecutive business days. This requirement was met on October 29, 2024.