Diok One AG / DE0005900674

1. Details of the person discharging managerial responsibilities / person closely associated

a) Name

Name and legal form:

Rock-Estate GmbH

2. Reason for the notification

a) Position / status

Person closely associated with:
Title:
First name:	Christoph
Last name(s):	Krieger
Position:	Member of the managing body

b) Initial notification

3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a) Name

Diok One AG

b) LEI

8945004AFK39BLI0S128

4. Details of the transaction(s)

a) Description of the financial instrument, type of instrument, identification code

Type:	Share
ISIN:	DE0005900674

b) Nature of the transaction

Acquisition

c) Price(s) and volume(s)

Price(s)	Volume(s)
0.001 EUR	1,475.00 EUR

d) Aggregated information

Price	Aggregated volume
0.001 EUR	1,475.00 EUR

e) Date of the transaction

17/12/2025; UTC+1

f) Place of the transaction

Outside a trading venue