6th Jan 2026 15:00
FORM 8.3
PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY
A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE
Rule 8.3 of the Takeover Code (the "Code")
1. KEY INFORMATION
(a) Full name of discloser: | Citadel Group |
(b) Owner or controller of interests and short positions disclosed, if different from 1(a): The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named. | N/A |
(c) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree | AUCTION TECHNOLOGY GROUP PLC |
(d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree: | N/A |
(e) Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure | 5 January 2026 |
(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state "N/A" | N/A
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2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE
If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.
(a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)
Class of relevant security: Common Stock | ISIN GB00BMVQDZ64 0.01p ordinary | |||
| Interests | Short positions | ||
| Number | % | Number | % |
(1) Relevant securities owned and/or controlled: | 27,703 | 0.02 | 22,431 | 0.01 |
(2) Cash-settled derivatives:
| 1,288,164 | 1.06 | 4,306 | 0.00 |
(3) Stock-settled derivatives (including options) and agreements to purchase/sell: | 0 | 0.00 | 0 | 0.00 |
TOTAL: | 1,315,867 | 1.08 | 26,737 | 0.02 |
All interests and all short positions should be disclosed.
Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).
(b) Rights to subscribe for new securities (including directors' and other employee options)
Class of relevant security in relation to which subscription right exists: | N/A |
Details, including nature of the rights concerned and relevant percentages: | N/A |
3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE
Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.
The currency of all prices and other monetary amounts should be stated.
(a) Purchases and sales
Class of relevant security | Purchase/sale
| Number of securities | Price per unit |
Common | Buy Transaction | 626 | 3.1450 GBP |
Common | Buy Transaction | 391 | 3.1500 GBP |
Common | Buy Transaction | 758 | 3.1550 GBP |
Common | Buy Transaction | 509 | 3.1600 GBP |
Common | Buy Transaction | 68 | 3.1650 GBP |
Common | Buy Transaction | 639 | 3.1650 GBP |
Common | Buy Transaction | 197 | 3.1650 GBP |
Common | Buy Transaction | 91 | 3.1651 GBP |
Common | Buy Transaction | 2,445 | 3.1700 GBP |
Common | Buy Transaction | 300 | 3.1750 GBP |
Common | Buy Transaction | 674 | 3.1800 GBP |
Common | Buy Transaction | 750 | 3.1850 GBP |
Common | Buy Transaction | 33 | 3.1900 GBP |
Common | Buy Transaction | 4,702 | 3.1950 GBP |
Common | Buy Transaction | 65 | 3.1951 GBP |
Common | Buy Transaction | 14,495 | 3.2000 GBP |
Common | Buy Transaction | 4,456 | 3.2100 GBP |
Common | Buy Transaction | 2,544 | 3.2150 GBP |
Common | Buy Transaction | 221 | 3.2150 GBP |
Common | Buy Transaction | 1,867 | 3.2200 GBP |
Common | Buy Transaction | 1,170 | 3.2250 GBP |
Common | Buy Transaction | 389 | 3.2250 GBP |
Common | Buy Transaction | 361 | 3.2250 GBP |
Common | Buy Transaction | 243 | 3.2250 GBP |
Common | Buy Transaction | 103 | 3.2250 GBP |
Common | Buy Transaction | 947 | 3.2300 GBP |
Common | Buy Transaction | 840 | 3.2350 GBP |
Common | Buy Transaction | 299 | 3.2350 GBP |
Common | Buy Transaction | 480 | 3.2400 GBP |
Common | Buy Transaction | 278 | 3.2450 GBP |
Common | Buy Transaction | 1,919 | 3.2500 GBP |
Common | Buy Transaction | 537 | 3.2550 GBP |
Common | Buy Transaction | 211 | 3.2550 GBP |
Common | Buy Transaction | 1,449 | 3.2600 GBP |
Common | Buy Transaction | 872 | 3.2650 GBP |
Common | Buy Transaction | 225 | 3.2650 GBP |
Common | Buy Transaction | 274 | 3.2700 GBP |
Common | Buy Transaction | 76 | 3.2750 GBP |
Common | Buy Transaction | 113 | 3.2750 GBP |
Common | Buy Transaction | 910 | 3.2800 GBP |
Common | Buy Transaction | 1,630 | 3.2850 GBP |
Common | Buy Transaction | 273 | 3.2850 GBP |
Common | Buy Transaction | 546 | 3.2900 GBP |
Common | Buy Transaction | 448 | 3.2950 GBP |
Common | Buy Transaction | 783 | 3.2950 GBP |
Common | Buy Transaction | 273 | 3.2950 GBP |
Common | Buy Transaction | 5,219 | 3.3000 GBP |
Common | Buy Transaction | 2,010 | 3.3050 GBP |
Common | Buy Transaction | 275 | 3.3050 GBP |
Common | Buy Transaction | 251 | 3.3050 GBP |
Common | Buy Transaction | 85 | 3.3051 GBP |
Common | Buy Transaction | 1,146 | 3.3100 GBP |
Common | Buy Transaction | 162 | 3.3150 GBP |
Common | Buy Transaction | 206 | 3.3275 GBP |
Common | Buy Transaction | 943 | 3.3300 GBP |
Common | Buy Transaction | 857 | 3.3400 GBP |
Common | Buy Transaction | 19,815 | 3.3500 GBP |
Common | Buy Transaction | 3,470 | 3.3550 GBP |
Common | Buy Transaction | 769 | 3.3550 GBP |
Common | Buy Transaction | 267 | 3.3550 GBP |
Common | Buy Transaction | 219 | 3.3550 GBP |
Common | Buy Transaction | 57 | 3.3551 GBP |
Common | Buy Transaction | 9,519 | 3.3600 GBP |
Common | Buy Transaction | 7,842 | 3.3650 GBP |
Common | Buy Transaction | 471 | 3.3650 GBP |
Common | Buy Transaction | 335 | 3.3650 GBP |
Common | Buy Transaction | 289 | 3.3650 GBP |
Common | Buy Transaction | 801 | 3.3650 GBP |
Common | Buy Transaction | 219 | 3.3650 GBP |
Common | Buy Transaction | 111 | 3.3650 GBP |
Common | Buy Transaction | 95 | 3.3651 GBP |
Common | Buy Transaction | 170 | 3.3651 GBP |
Common | Buy Transaction | 6,886 | 3.3700 GBP |
Common | Buy Transaction | 2,504 | 3.3750 GBP |
Common | Buy Transaction | 445 | 3.3750 GBP |
Common | Buy Transaction | 103 | 3.3750 GBP |
Common | Buy Transaction | 255 | 3.3751 GBP |
Common | Buy Transaction | 231 | 3.3751 GBP |
Common | Buy Transaction | 75 | 3.3751 GBP |
Common | Buy Transaction | 2,279 | 3.3800 GBP |
Common | Buy Transaction | 384 | 3.3850 GBP |
Common | Buy Transaction | 389 | 3.3850 GBP |
Common | Buy Transaction | 263 | 3.3850 GBP |
Common | Buy Transaction | 113 | 3.3850 GBP |
Common | Sell Transaction | 384 | 3.1350 GBP |
Common | Sell Transaction | 345 | 3.1350 GBP |
Common | Sell Transaction | 199 | 3.1350 GBP |
Common | Sell Transaction | 106 | 3.1450 GBP |
Common | Sell Transaction | 233 | 3.1450 GBP |
Common | Sell Transaction | 14,795 | 3.1500 GBP |
Common | Sell Transaction | 554 | 3.1650 GBP |
Common | Sell Transaction | 595 | 3.1650 GBP |
Common | Sell Transaction | 359 | 3.1650 GBP |
Common | Sell Transaction | 283 | 3.1650 GBP |
Common | Sell Transaction | 2,000 | 3.1700 GBP |
Common | Sell Transaction | 283 | 3.1750 GBP |
Common | Sell Transaction | 4,070 | 3.1900 GBP |
Common | Sell Transaction | 1,470 | 3.1950 GBP |
Common | Sell Transaction | 2,107 | 3.1950 GBP |
Common | Sell Transaction | 777 | 3.1950 GBP |
Common | Sell Transaction | 629 | 3.1950 GBP |
Common | Sell Transaction | 93 | 3.1951 GBP |
Common | Sell Transaction | 4,698 | 3.2000 GBP |
Common | Sell Transaction | 1,200 | 3.2050 GBP |
Common | Sell Transaction | 517 | 3.2050 GBP |
Common | Sell Transaction | 1,095 | 3.2100 GBP |
Common | Sell Transaction | 2,938 | 3.2150 GBP |
Common | Sell Transaction | 341 | 3.2150 GBP |
Common | Sell Transaction | 285 | 3.2150 GBP |
Common | Sell Transaction | 558 | 3.2150 GBP |
Common | Sell Transaction | 215 | 3.2150 GBP |
Common | Sell Transaction | 171 | 3.2150 GBP |
Common | Sell Transaction | 169 | 3.2150 GBP |
Common | Sell Transaction | 97 | 3.2151 GBP |
Common | Sell Transaction | 5,173 | 3.2200 GBP |
Common | Sell Transaction | 278 | 3.2250 GBP |
Common | Sell Transaction | 341 | 3.2250 GBP |
Common | Sell Transaction | 285 | 3.2250 GBP |
Common | Sell Transaction | 8,304 | 3.2300 GBP |
Common | Sell Transaction | 296 | 3.2350 GBP |
Common | Sell Transaction | 2,127 | 3.2350 GBP |
Common | Sell Transaction | 228 | 3.2400 GBP |
Common | Sell Transaction | 2,616 | 3.2450 GBP |
Common | Sell Transaction | 37 | 3.2451 GBP |
Common | Sell Transaction | 1,187 | 3.2500 GBP |
Common | Sell Transaction | 584 | 3.2550 GBP |
Common | Sell Transaction | 841 | 3.2600 GBP |
Common | Sell Transaction | 202 | 3.2650 GBP |
Common | Sell Transaction | 286 | 3.2700 GBP |
Common | Sell Transaction | 674 | 3.2750 GBP |
Common | Sell Transaction | 766 | 3.2800 GBP |
Common | Sell Transaction | 890 | 3.2850 GBP |
Common | Sell Transaction | 841 | 3.2850 GBP |
Common | Sell Transaction | 2,848 | 3.2900 GBP |
Common | Sell Transaction | 596 | 3.2950 GBP |
Common | Sell Transaction | 443 | 3.2950 GBP |
Common | Sell Transaction | 34,599 | 3.3000 GBP |
Common | Sell Transaction | 272 | 3.3050 GBP |
Common | Sell Transaction | 1,880 | 3.3100 GBP |
Common | Sell Transaction | 1,048 | 3.3150 GBP |
Common | Sell Transaction | 635 | 3.3150 GBP |
Common | Sell Transaction | 185 | 3.3150 GBP |
Common | Sell Transaction | 181 | 3.3200 GBP |
Common | Sell Transaction | 270 | 3.3250 GBP |
Common | Sell Transaction | 268 | 3.3350 GBP |
Common | Sell Transaction | 6,212 | 3.3400 GBP |
Common | Sell Transaction | 1,268 | 3.3450 GBP |
Common | Sell Transaction | 595 | 3.3450 GBP |
Common | Sell Transaction | 41,029 | 3.3500 GBP |
Common | Sell Transaction | 4,316 | 3.3600 GBP |
Common | Sell Transaction | 880 | 3.3650 GBP |
Common | Sell Transaction | 267 | 3.3650 GBP |
Common | Sell Transaction | 1,898 | 3.3700 GBP |
Common | Sell Transaction | 468 | 3.3750 GBP |
Common | Sell Transaction | 177 | 3.3750 GBP |
Common | Sell Transaction | 51 | 3.3751 GBP |
Common | Sell Transaction | 998 | 3.3800 GBP |
Common | Sell Transaction | 438 | 3.3850 GBP |
Common | Sell Transaction | 89 | 3.3900 GBP |
(b) Cash-settled derivative transactions
Class of relevant security | Product description e.g. CFD | Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position | Number of reference securities | Price per unit |
Common | CFD | Opening long position | 4,154 | 3.1838 GBP |
Common | CFD | Reducing long position | 13,242 | 3.2224 GBP |
Common | CFD | Opening long position | 1,283 | 3.2345 GBP |
Common | CFD | Reducing long position | 1,531 | 3.2374 GBP |
Common | CFD | Reducing long position | 55,627 | 3.2422 GBP |
Common | CFD | Opening long position | 2,228 | 3.2578 GBP |
Common | CFD | Opening long position | 119 | 3.2600 GBP |
Common | CFD | Opening long position | 1,013 | 3.2630 GBP |
Common | CFD | Reducing long position | 7,862 | 3.2824 GBP |
Common | CFD | Opening long position | 216 | 3.2850 GBP |
Common | CFD | Reducing long position | 9,868 | 3.3157 GBP |
Common | CFD | Reducing long position | 36,029 | 3.3495 GBP |
Common | CFD | Opening long position | 5,873 | 3.3500 GBP |
Common | CFD | Reducing long position | 5,605 | 3.3500 GBP |
Common | CFD | Reducing long position | 4,598 | 3.3600 GBP |
(c) Stock-settled derivative transactions (including options)
(i) Writing, selling, purchasing or varying
Class of relevant security | Product description e.g. call option | Writing, purchasing, selling, varying etc. | Number of securities to which option relates | Exercise price per unit | Type e.g. American, European etc. | Expiry date | Option money paid/ received per unit |
(ii) Exercise
Class of relevant security | Product description e.g. call option | Exercising/ exercised against | Number of securities | Exercise price per unit |
(d) Other dealings (including subscribing for new securities)
Class of relevant security | Nature of dealing e.g. subscription, conversion | Details | Price per unit (if applicable) |
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4. OTHER INFORMATION
(a) Indemnity and other dealing arrangements
Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state "none" |
None
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(b) Agreements, arrangements or understandings relating to options or derivatives
Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to: (i) the voting rights of any relevant securities under any option; or (ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: If there are no such agreements, arrangements or understandings, state "none" |
None
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(c) Attachments
Is a Supplemental Form 8 (Open Positions) attached? | NO |
Date of disclosure: | 6 January 2026 |
Contact name: | Paula Santos |
Telephone number*: | 020 7645 9700 |
Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.
The Panel's Market Surveillance Unit is available for consultation in relation to the Code's disclosure requirements on +44 (0)20 7638 0129.
*If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panel's Market Surveillance Unit.
The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.
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