Voting Rights and Shares Capital of the Company

Nanobiotix (Ticker: NBTX) reported its share and voting-rights counts as of December 31, 2025 in accordance with French disclosure rules.

Rhea-AI Summary

Nanobiotix (Ticker: NBTX) reported its share and voting-rights counts as of December 31, 2025 in accordance with French disclosure rules.

The company shows 48,410,068 shares outstanding and a total theoretical number of voting rights of 50,109,170, with 50,087,052 exercisable voting rights.

Argus Jan 14 session

+0.70% close to close Open Argus

Details

News Market Reaction – NBTX

On Jan 14, the first trading day after this news, NBTX closed 0.70% above the previous close.

Data tracked by StockTitan Argus for the Jan 14 session.

Market Context

This announcement reports NANOBIOTIX’s share capital and voting rights as of December 31, 2025, show...

Analysis

This announcement reports NANOBIOTIX’s share capital and voting rights as of December 31, 2025, showing 48,410,068 shares outstanding and updated theoretical and exercisable voting rights. It follows recurring French disclosure requirements similar to prior months. In context of recent operational, financing, and index-inclusion news, this update is primarily administrative. Investors may focus on how future clinical milestones and financial developments build on the trajectory outlined in the recent Q3 2025 update.

Key Figures

Shares outstanding: 48,410,068 Voting rights (theoretical): 50,109,170 Voting rights (exercisable): 50,087,052 +1 more

Shares outstanding

48,410,068

As of December 31, 2025

Voting rights (theoretical)

50,109,170

Total voting rights, theoretical, December 31, 2025

Voting rights (exercisable)

50,087,052

Total voting rights, exercisable, December 31, 2025

Reference date

December 31, 2025

Record date for share capital and voting rights table

Historical Context

5 past events · Latest: Dec 17

5 events

1. Dec 17

   Voting rights update

   24h Move

   +3.1%

   Disclosure of November 30, 2025 voting rights and share capital data.

2. Dec 15

   Index inclusion

   24h Move

   -1.6%

   Announcement of joining CAC Mid 60 and SBF 120 indices.

3. Nov 24

   Quarterly update

   24h Move

   +5.1%

   Q3 2025 operational, financial update and 2026 clinical outlook.

4. Nov 14

   Voting rights update

   24h Move

   +2.6%

   Disclosure of October 31, 2025 voting rights and share capital.

5. Nov 13

   Platform advancement

   24h Move

   +2.6%

   Curadigm Nanoprimer IP expansion, data presentation, and collaborations.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

isin code

1 terms

isin code financial

"Market: Euronext Paris / NasdaqEuronext Compartment: B ISIN code: FR0011341205"

An ISIN code is a unique identifier for a specific financial asset, like a stock or bond, similar to a product's barcode. It helps investors, traders, and banks quickly and accurately find and track that asset across different markets worldwide. This makes buying, selling, and managing investments more organized and reliable.

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

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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, Jan. 13, 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

Date	Number of Shares Outstanding	Total number of voting rights
		Total voting rights, theoretical1	Total voting rights, exercisable2
December 31, 2025	48,410,068	50,109,170	50,087,052

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 subsidiaries in Cambridge, Massachusetts (United States) amongst other locations.

Nanobiotix is the owner of more than 25 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

• 2026-01-13 -- NBTX -- Voting Rights & Shares Capital -- FINAL

FAQ

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

How many shares outstanding did Nanobiotix (NBTX) report on December 31, 2025?

48,410,068 shares outstanding as of December 31, 2025.

What was the total theoretical number of voting rights for NBTX on December 31, 2025?

The total theoretical number of voting rights was 50,109,170.

How many exercisable voting rights did Nanobiotix (NBTX) disclose for December 31, 2025?

Nanobiotix disclosed 50,087,052 exercisable voting rights on December 31, 2025.

Where is Nanobiotix (NBTX) listed and what is its ISIN?

Nanobiotix is listed on Euronext Paris (Compartment B) and its ISIN is FR0011341205.

Which regulatory rules governed Nanobiotix's voting-rights disclosure on January 13, 2026?

The disclosure was made under articles L.233-8 II of the French Commercial Code and 223-16 of the AMF General Regulation.