Form 8-K: Annual Stockholders Meeting Results

Rapid Micro Biosystems, Inc. held its annual meeting of stockholders on May 21, 2026. The stockholders elected Richard Kollender as a Class II Director, serving until the 2029 Annual Meeting. The appointment of PricewaterhouseCoopers LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026, was also ratified. A quorum was present, with 37,099,555 shares represented out of 41,267,511 eligible shares. Director Kollender received 23,180,585 votes in favor, 1,998,525 withheld, and 11,920,445 broker non-votes. The ratification of the auditor received 37,096,030 votes for, 3,292 against, 233 abstentions, and 0 broker non-votes. No other matters were presented.