Rapid Micro Biosystems 2026 shareholder meeting results

Rapid Micro Biosystems, Inc. reported the results of its annual meeting of stockholders held on May 21, 2026.

Rhea-AI Filing Summary

Rapid Micro Biosystems, Inc. reported the results of its annual meeting of stockholders held on May 21, 2026. There were 41,267,511 Class A common shares eligible to vote, and 37,099,555 shares were represented in person or by proxy, establishing a quorum.

Stockholders elected Richard Kollender as a Class II director to serve until the 2029 annual meeting, with 23,180,585 votes for, 1,998,525 votes withheld, and 11,920,445 broker non-votes. Stockholders also ratified PricewaterhouseCoopers LLP as independent registered public accounting firm for the fiscal year ending December 31, 2026, with 37,096,030 votes for, 3,292 against, 233 abstentions, and no broker non-votes.

8-K Event Classification

Item 5.07 — Submission of Matters to a Vote of Security Holders

1 item

Item 5.07 Submission of Matters to a Vote of Security Holders Governance

Results of a shareholder vote on proposals at an annual or special meeting.

Key Figures

Shares eligible to vote: 41,267,511 shares Shares represented at meeting: 37,099,555 shares Votes for director: 23,180,585 votes +5 more

8 metrics

Shares eligible to vote 41,267,511 shares Class A common stock eligible to vote at May 21, 2026 meeting

Shares represented at meeting 37,099,555 shares Present in person or by proxy at annual meeting

Votes for director 23,180,585 votes Votes for election of Class II Director Richard Kollender

Director withheld votes 1,998,525 votes Votes withheld for Class II Director election

Director broker non-votes 11,920,445 votes Broker non-votes on Class II Director election

Auditor ratification for votes 37,096,030 votes Votes for ratifying PricewaterhouseCoopers LLP for fiscal 2026

Auditor ratification against votes 3,292 votes Votes against ratifying PricewaterhouseCoopers LLP

Auditor abstentions 233 votes Abstentions on ratification of PricewaterhouseCoopers LLP

Key Terms

broker non-votes, independent registered public accounting firm, emerging growth company

3 terms

broker non-votes financial

"The results of the stockholders’ vote with respect to the election of such Class II Director were as follows"

Broker non-votes occur when a brokerage firm is unable to vote on a shareholder’s behalf during a company election or decision because the shareholder has not given specific voting instructions, and the broker is not allowed or chooses not to vote on certain matters. They are important because they can affect the outcome of votes, especially when the results are close, by effectively reducing the total number of votes cast.

independent registered public accounting firm financial

"The Company’s stockholders ratified the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm"

An independent registered public accounting firm is an outside accounting company officially registered with the government regulator to examine and report on a public company's financial records and controls. Investors treat its reports like an impartial inspector’s certificate — they add credibility to financial statements, help spot errors or misleading claims, and reduce the risk that shareholders are relying on unchecked or biased numbers.

emerging growth company regulatory

"Emerging growth company þ"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Rapid Micro Biosystems (RPID) stockholders vote on at the 2026 annual meeting?

Stockholders voted on two items: electing Richard Kollender as a Class II director and ratifying PricewaterhouseCoopers LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026. No other matters were submitted for a vote.

How many Rapid Micro Biosystems (RPID) shares were represented at the 2026 annual meeting?

A total of 37,099,555 Class A common shares were present in person or by proxy at the annual meeting. This was out of 41,267,511 shares eligible to vote, meaning the company achieved a quorum to conduct official business and approve proposals.

Was Richard Kollender elected to the Rapid Micro Biosystems (RPID) board in 2026?

Yes. Richard Kollender was elected as a Class II director with 23,180,585 votes for and 1,998,525 votes withheld, plus 11,920,445 broker non-votes. He will serve until the 2029 annual meeting, or earlier if he ceases serving under standard director provisions.

Which accounting firm did Rapid Micro Biosystems (RPID) stockholders ratify for fiscal 2026?

Stockholders ratified PricewaterhouseCoopers LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026. The vote totaled 37,096,030 shares for, 3,292 against, and 233 abstentions, with no broker non-votes recorded on this proposal.

Did Rapid Micro Biosystems (RPID) consider any other proposals at the May 2026 meeting?

No. Only two proposals were submitted: the election of one Class II director and ratification of the independent registered public accounting firm. The company explicitly states that no other matters were submitted to, or voted on by, stockholders at the annual meeting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/28/2026 - 04:14 PM Learn about SEC filing dates

0001380106false00013801062026-05-212026-05-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): May 21, 2026

RAPID MICRO BIOSYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Delaware			001-40592			20-8121647
(State or other jurisdiction of incorporation or organization)			(Commission File Number)			(I.R.S. Employer Identification No.)
25 Hartwell Avenue, Lexington, MA						02421
(Address of principal executive offices)						(Zip Code)

978-349-3200

(Registrant’s telephone number, including area code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbols

Name of each exchange on which registered

Class A Common Stock, $0.01 par value per share

RPID

The Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company þ

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 5.07 Submission of Matters to a Vote of Security Holders.

The Company held its annual meeting of stockholders on May 21, 2026 (the “Annual Meeting”), at which a quorum was present. There were two items of business acted upon by the stockholders. There were 41,267,511 shares of the Company’s Class A common stock eligible to vote, and 37,099,555 shares were present in person or by proxy at the Annual Meeting. The following is a summary of the matters voted on at the Annual Meeting:

1.    The Company’s stockholders elected Richard Kollender as a Class II Director to serve until the 2029 Annual Meeting of Stockholders and until his successor has been duly elected and qualified or until such director’s earlier death, resignation or removal.

The results of the stockholders’ vote with respect to the election of such Class II Director were as follows:

			Votes For			Votes Withheld			Broker Non-Votes
Richard Kollender			23,180,585			1,998,525			11,920,445

2.    The Company’s stockholders ratified the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. The results of the stockholders’ vote with respect to such ratification were as follows:

Votes For			Votes Against			Votes Abstaining			Broker Non-Votes
37,096,030			3,292			233			0

No other matters were submitted to or voted on by the Company’s stockholders at the Annual Meeting.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			RAPID MICRO BIOSYSTEMS, INC.
Date: May 28, 2026			By:			/s/ Sean Wirtjes
						Sean Wirtjes
						Chief Financial Officer

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 1.8 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 22.3 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 12.8 KB