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Genflow Biosciences PLC Announces Holding(s) in Company

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Genflow Biosciences (OTC:GENFF) disclosure shows Jonathan Mark Swann increased his holding to 11.32% of voting rights in Genflow Biosciences on 23-Oct-2025, up from 8.40% in the prior notification.

The resulting position equals 55,861,278 voting rights. No financial instruments were reported; the notification lists completion in London on 23-Oct-2025 and states no additional information.

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Positive

  • Holding increased from 8.40% to 11.32% on 23-Oct-2025
  • Resulting stake equals 55,861,278 voting rights

Negative

  • Single holder now holds 11.32% of voting rights as of 23-Oct-2025

News Market Reaction 1 Alert

% News Effect

On the day this news was published, GENFF declined NaN%, reflecting a moderate negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

LONDON, UK / ACCESS Newswire / October 24, 2025 / TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BP2C3V08

Issuer Name

GENFLOW BIOSCIENCES PLC

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notification obligation

Name

Jonathan Mark Swann

City of registered office (if applicable)

rickmansworth

Country of registered office (if applicable)

United Kingdom

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

23-Oct-2025

6. Date on which Issuer notified

23-Oct-2025

7. Total positions of person(s) subject to the notification obligation

% of voting rights attached to shares (total of 8.A)

% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)

Total of both in % (8.A + 8.B)

Total number of voting rights held in issuer

Resulting situation on the date on which threshold was crossed or reached

11.320000

0.000000

11.320000

55861278

Position of previous notification (if applicable)

8.400000

0.000000

8.400000

36588550

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)

Number of direct voting rights (DTR5.1)

Number of indirect voting rights (DTR5.2.1)

% of direct voting rights (DTR5.1)

% of indirect voting rights (DTR5.2.1)

GB00BP2C3V08

55861278

0

11.320000

0.000000

Sub Total 8.A

55861278

11.320000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument

Expiration date

Exercise/conversion period

Number of voting rights that may be acquired if the instrument is exercised/converted

% of voting rights

Sub Total 8.B1

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument

Expiration date

Exercise/conversion period

Physical or cash settlement

Number of voting rights

% of voting rights

Sub Total 8.B2

9. Information in relation to the person subject to the notification obligation

1. Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.

Ultimate controlling person

Name of controlled undertaking

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial instruments if it equals or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

10. In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional Information

NONE

12. Date of Completion

23-Oct-2025

13. Place Of Completion

London

Contacts

Genflow Biosciences

Harbor Access

Dr Eric Leire, CEO

Jonathan Paterson, Investor Relations

+32-477-495-881

+1 475 477 9401

Jonathan.Paterson@Harbor-access.com

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.

SOURCE: Genflow Biosciences PLC



View the original press release on ACCESS Newswire

FAQ

Who increased their stake in Genflow Biosciences (GENFF) on 23-Oct-2025?

Jonathan Mark Swann increased his stake in Genflow Biosciences to 11.32% on 23-Oct-2025.

What voting rights does Jonathan Mark Swann hold in GENFF after the 23-Oct-2025 notification?

He holds 55,861,278 voting rights, representing 11.32% of total voting rights.

How much did the GENFF holding change from the prior notification?

The holding rose from 8.40% to 11.32%, a 2.92 percentage-point increase.

Were any financial instruments reported in the GENFF 23-Oct-2025 disclosure?

No financial instruments were reported; the notification shows 0.00% via instruments.

When and where was the GENFF major-holdings notification completed?

The notification was completed in London on 23-Oct-2025.
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