Form 4 Filing for AbCellera Biologics Inc. - Officer/Director Transaction

This Form 4 filing details a transaction by Hayden Michael R, a director at AbCellera Biologics Inc. On June 11, 2026, Mr. Hayden was granted a stock option to purchase 111,701 common shares at a price of $0.00 per share. This option vests and becomes exercisable on June 10, 2027, contingent upon his continued service to the company. The option has an expiration date of June 11, 2036. Following this transaction, Mr. Hayden holds 1,011,544 shares directly. The filing was signed by Tryn Stimart as an attorney-in-fact on June 12, 2026.