UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No. )
| Filed by the Registrant | x | Filed by a Party other than the Registrant | o | ||||||||
| Check the appropriate box: | |||||
| o | Preliminary Proxy Statement | ||||
| o | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) | ||||
| o | Definitive Proxy Statement | ||||
| x | Definitive Additional Materials | ||||
| o | Soliciting Material under §240.14a-12 | ||||
| Rapid Micro Biosystems, Inc. | ||
| (Name of Registrant as Specified in its Charter) | ||
| (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant) | ||
| Payment of Filing Fee (Check all boxes that apply): | |||||
| x | No fee required. | ||||
| o | Fee paid previously with preliminary materials. | ||||
| o | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. | ||||
