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Nanobiotix (NASDAQ: NBTX) details March 2026 share count and voting power

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
6-K

Rhea-AI Filing Summary

Nanobiotix S.A. reports its share capital and voting rights as of March 31, 2026. The company had 48,517,630 shares outstanding, corresponding to 50,165,132 theoretical voting rights and 50,143,014 exercisable voting rights. These figures are provided under French market transparency rules.

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Shares outstanding 48,517,630 shares As of March 31, 2026
Theoretical voting rights 50,165,132 voting rights Basis for threshold crossings, March 31, 2026
Exercisable voting rights 50,143,014 voting rights Votes exercisable at shareholders’ meetings, March 31, 2026
ISIN code FR0011341205 Euronext Paris listing identifier
theoretical voting rights financial
"The total number of theoretical (or “gross”) voting rights is used as the basis for calculating threshold crossings."
Theoretical voting rights are the share of control an investor would have if all possible sources of additional shares—such as stock options, warrants and convertible bonds—were turned into ordinary shares. Investors care because this “what-if” number shows potential dilution of current owners and the maximum voting power others could gain, helping assess control risk and how future actions might change company decisions, like a snapshot of ownership if every coupon were cashed in.
exercisable voting rights financial
"The total number of exercisable at a shareholders’ meeting (or “net”) voting rights is calculated without taking into account shares for which voting rights have been suspended."
Exercisable voting rights are the actual, usable votes attached to a security or position that allow the holder to influence company decisions at shareholder meetings—for example electing the board or approving mergers. They matter to investors because the number of votes someone can cast determines who controls the company and its strategy, similar to having usable tickets at a town meeting rather than placeholders, and can affect share value, takeover risk and how much influence minority holders have.
threshold crossings financial
"The total number of theoretical (or “gross”) voting rights is used as the basis for calculating threshold crossings."
treasury shares financial
"calculated without taking into account shares for which voting rights have been suspended as shares held in treasury by the Company."
Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.
foreign private issuer regulatory
"Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934"
A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.
 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2026

Commission File Number: 001-39777

Nanobiotix S.A.
(Translation of registrant's name into English)

60 Rue de Wattignies 75012 Paris, France
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ]      Form 40-F [   ]

 

 


On April 7, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

(c) Exhibit 99.1. Press release dated April 7, 2026


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, thereunto duly authorized.

      Nanobiotix S.A.    
  (Registrant)
   
  
Date: April 7, 2026     /s/ Bart Van Rhijn    
  Bart Van Rhijn
  Chief Financial Officer
  

EXHIBIT 99.1

Voting Rights and Shares Capital of the Company

In accordance with articles L.233-8 II of the French Commercial Code and 223-16 of the General Regulation of the French Financial Markets Authority (Autorité des Marchés Financiers)

PARIS, April 07, 2026 (GLOBE NEWSWIRE) --
Market: Euronext Paris / Nasdaq
Euronext Compartment: B
ISIN code: FR0011341205
Nasdaq: NBTX
Bloomberg: NANO:FP
Reuters: NANO.PA
Website: www.nanobiotix.com

DateNumber of Shares
 Outstanding
Total number of voting rights
Total voting rights,
theoretical
1
Total voting rights,
exercisable2
March 31, 202648,517,63050,165,13250,143,014


About NANOBIOTIX

Nanobiotix is a late-stage clinical biotechnology company pioneering disruptive, physics-based therapeutic approaches to revolutionize treatment outcomes for millions of patients; supported by people committed to making a difference for humanity. The Company’s philosophy is rooted in the concept of pushing past the boundaries of what is known to expand possibilities for human life.

Incorporated in 2003, Nanobiotix is headquartered in Paris, France and is listed on Euronext Paris since 2012 and on the Nasdaq Global Select Market in New York City since December 2020. The Company has a subsidiary in Cambridge, Massachusetts (United States).

Nanobiotix is the owner of more than 30 patent families associated with three (3) nanotechnology platforms with applications in 1) oncology; 2) bioavailability and biodistribution; and 3) disorders of the central nervous system.

For more information about Nanobiotix, visit us at www.nanobiotix.com or follow us on LinkedIn and Twitter.

 ________________________
1
The total number of theoretical (or “gross”) voting rights is used as the basis for calculating threshold crossings. In accordance with Article 223-11 of the AMF General Regulations, this number is calculated on the basis of all shares to which voting rights are attached, including those for which voting rights have been suspended.

2 The total number of exercisable at a shareholders’ meeting (or “net”) voting rights is calculated without taking into account shares for which voting rights have been suspended as shares held in treasury by the Company. It is released in order to ensure that the public is properly informed.

Contacts

Nanobiotix

Communications Department

Brandon Owens
VP, Communications
+1 (617) 852-4835
contact@nanobiotix.com

Investor Relations Department

Joanne Choi
VP, Investor Relations (US)
+1 (713) 609-3150

Ricky Bhajun
Director, Investor Relations (EU)

investors@nanobiotix.com

Media Relations

France – HARDY
Caroline Hardy
+33 06 70 33 49 50
carolinehardy@outlook.fr
  

Global – uncapped
Becky Lauer
+1 (646) 286-0057
uncappednanobiotix@uncappedcommunications.com

Attachment

  • 2026-04-07 -- NBTX -- Voting Rights & Shares Capital -- FINAL (https://ml.globenewswire.com/Resource/Download/2e71c4c2-7a03-4c33-b94a-e218034cfcd4)

FAQ

What share capital did Nanobiotix (NBTX) report as of March 31, 2026?

Nanobiotix reported 48,517,630 shares outstanding as of March 31, 2026. This figure represents the total number of company shares issued and in existence, and forms the basis for calculating shareholders’ ownership stakes and related voting rights at that date.

How many voting rights does Nanobiotix (NBTX) have as of March 31, 2026?

Nanobiotix reported 50,165,132 theoretical voting rights and 50,143,014 exercisable voting rights as of March 31, 2026. Theoretical rights include all shares with attached voting rights, while exercisable rights exclude shares where voting is suspended, such as treasury shares.

What is the difference between theoretical and exercisable voting rights at Nanobiotix?

The theoretical voting rights (50,165,132) include all shares with attached voting rights, even if suspended. The exercisable voting rights (50,143,014) exclude shares with suspended rights, such as treasury shares, and reflect votes that can actually be cast at shareholder meetings.

Why does Nanobiotix (NBTX) publish its voting rights and share capital data?

Nanobiotix publishes voting rights and share capital figures to comply with French Commercial Code article L.233-8 II and AMF Regulation 223-16. These disclosures help investors track ownership thresholds and ensure transparent information about potential voting power in the company.

On which markets are Nanobiotix (NBTX) shares listed?

Nanobiotix shares are listed on Euronext Paris, Compartment B, under ISIN FR0011341205, and on the Nasdaq Global Select Market in New York under the ticker NBTX. These dual listings provide access to both European and U.S. investors.

Which regulations govern Nanobiotix’s disclosure of voting rights?

The disclosure is made in accordance with article L.233-8 II of the French Commercial Code and article 223-16 of the AMF General Regulation. These rules require companies to regularly publish updated information on share capital and voting rights for market transparency.

Filing Exhibits & Attachments

1 document