Adicet Bio Director Katie Peng Receives 4,200 Stock Options at $8.10 Exercise Price

This Form 4 filing reports that Katie Peng, a director of Adicet Bio, Inc. (ACET), was granted 4,200 stock options on June 21, 2026. The options have an exercise price of $8.10 per share and expire on June 20, 2036. The options will vest in full on the earlier of either the first anniversary of the grant date or the date of the next annual meeting of stockholders following the grant date, contingent on Peng's continued service on the company's board of directors. The transaction represents an award of derivative securities (stock options) rather than a purchase or sale of common stock. As a director, Peng is required to report this equity compensation award to the SEC under Section 16 of the Securities Exchange Act.