{"success":true,"data":{"pressRelease":{"id":"49478","rtpr_id":"nBw2N8SNha","ticker":"SNR","exchange":"LSE","all_tickers":["SNR"],"title":"REG-Driehaus Capital Management LLC Form 8.3","author":"Business Wire","published_at":"2026-05-29T14:22:00.130Z","article_body":"Form 8.3\n\n \n\nFORM 8.3\n\nPUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY\n\nA PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE\n\nRule 8.3 of the Takeover Code (the “Code”)\n\n1. KEY INFORMATION\n (a) Full name of discloser:                                                      Driehaus Capital Management LLC  \n (b) Owner or controller of interests and short positions disclosed, if           N/A                              \n different from 1(a):                                                                                              \n \n                                                                                                                 \n \nThe naming of nominee or vehicle companies is insufficient. For a trust, the                                     \n trustee(s), settlor and beneficiaries must be named.                                                              \n (c) Name of offeror/offeree in relation to whose relevant securities this form   Senior plc                       \n relates:                                                                                                          \n \n                                                                                                                 \n \nUse a separate form for each offeror/offeree                                                                     \n (d) If an exempt fund manager connected with an offeror/offeree, state this      N/A                              \n and specify identity of offeror/offeree:                                                                          \n (e) Date position held/dealing undertaken:                                       28 May 2026                      \n \n                                                                                                                 \n \nFor an opening position disclosure, state the latest practicable date prior to                                   \n the disclosure                                                                                                    \n (f) In addition to the company in 1(c) above, is the discloser making            NO                               \n disclosures in respect of any other party to the offer?                          \n                                \n \n                                                                                \n                                \n \nIf it is a cash offer or possible cash offer, state “N/A”                       \n                                \n                                                                                  \n                                \n\n\n2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE\n\nIf there are positions or rights to subscribe to disclose in more than one\nclass of relevant securities of the offeror or offeree named in 1(c), copy\ntable 2(a) or (b) (as appropriate) for each additional class of relevant\nsecurity.\n\n(a) Interests and short positions in the relevant securities of the offeror or\nofferee to which the disclosure relates following the dealing (if any)\n Class of relevant security:                                          10p ordinary                           \n \n                                                                                                           \n \n                                                                                                           \n                                                                      Interests          Short positions     \n \n                                                                    \n                                      \n \n                                                                    \n                                      \n                                                                      Number      %      Number    %         \n (1) Relevant securities owned and/or controlled:                     14,932,638  3.56                       \n (2) Cash-settled derivatives:                                                                               \n \n                                                                                                           \n \n                                                                                                           \n (3) Stock-settled derivatives (including options) and agreements to                                         \n purchase/sell:                                                                                              \n                                                                      14,932,638  3.56                       \n \n                                                                                                           \n \nTOTAL:                                                                                                     \n\n\nAll interests and all short positions should be disclosed.\n\nDetails of any open stock-settled derivative positions (including traded\noptions), or agreements to purchase or sell relevant securities, should be\ngiven on a Supplemental Form 8 (Open Positions).\n\n(b) Rights to subscribe for new securities (including directors’ and other\nemployee options)\n Class of relevant security in relation to which subscription right exists:       \n Details, including nature of the rights concerned and relevant percentages:      \n\n\n3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE\n\nWhere there have been dealings in more than one class of relevant securities\nof the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as\nappropriate) for each additional class of relevant security dealt in.\n\nThe currency of all prices and other monetary amounts should be stated.\n\n(a) Purchases and sales\n Class of relevant security  Purchase/sale  Number of securities  Price per unit  \n                             \n                                                    \n                             \n                                                    \n 10p Ordinary                Sale           23,139.00             2.8706          \n 10p Ordinary                Sale           12,507.00             2.8706          \n 10p Ordinary                Sale           8,968.00              2.8706          \n 10p Ordinary                Sale           14,931.00             2.8706          \n\n\n(b) Cash-settled derivative transactions\n Class of relevant security  Product description  Nature of dealing                                                              Number of reference securities  Price per unit  \n                             \n                    \n                                                                                                                              \n                             \ne.g. CFD            \ne.g. opening/closing a long/short position, increasing/reducing a long/short                                                  \n                                                  position                                                                                                                       \n\n\n(c) Stock-settled derivative transactions (including options)\n\n(i) Writing, selling, purchasing or varying\n 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                           Expiry date  Option money paid/ received per unit  \n                                                                                                                                                                                      \n                                                                                 \n                                                                                                                                                                                      \ne.g. American, European etc.                                                     \n\n\n(ii) Exercise\n Class of relevant security  Product description  Exercising/ exercised against  Number of securities  Exercise price per unit  \n                             \n                                                                                                  \n                             \ne.g. call option                                                                                  \n\n\n(d) Other dealings (including subscribing for new securities)\n Class of relevant security  Nature of dealing               Details  Price per unit (if applicable)  \n                             \n                                                                        \n                             \ne.g. subscription, conversion                                           \n\n\n4. OTHER INFORMATION\n\n(a) Indemnity and other dealing arrangements\n Details of any indemnity or option arrangement, or any agreement or              \n understanding, formal or informal, relating to relevant securities which may     \n be an inducement to deal or refrain from dealing entered into by the person      \n making the disclosure and any party to the offer or any person acting in         \n concert with a party to the offer:                                               \n \n                                                                                \n \nIrrevocable commitments and letters of intent should not be included. If there  \n are no such agreements, arrangements or understandings, state “none”             \n                                                                                  \n \n                                                                                \n \nNONE                                                                            \n \n                                                                                \n \n                                                                                \n\n\n(b) Agreements, arrangements or understandings relating to options or\nderivatives\n Details of any agreement, arrangement or understanding, formal or informal,  \n between the person making the disclosure and any other person relating to:   \n \n                                                                            \n \n(i) the voting rights of any relevant securities under any option; or       \n \n                                                                            \n \n(ii) the voting rights or future acquisition or disposal of any relevant    \n securities to which any derivative is referenced:                            \n \n                                                                            \n \nIf there are no such agreements, arrangements or understandings, state      \n “none”                                                                       \n                                                                              \n \n                                                                            \n \nNONE                                                                        \n \n                                                                            \n \n                                                                            \n\n\n(c) Attachments\n Is a Supplemental Form 8 (Open Positions) attached?  NO  \n\n Date of disclosure:  29 May 2026    \n Contact name:        Anne Kochevar  \n Telephone number:    312-587-3849   \n\n\nPublic disclosures under Rule 8 of the Code must be made to a Regulatory\nInformation Service.\n\nThe Panel’s Market Surveillance Unit is available for consultation in\nrelation to the Code’s disclosure requirements on +44 (0)20 7638 0129.\n\nThe Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk\n(https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.thetakeoverpanel.org.uk&esheet=54544200&newsitemid=20260529742744&lan=en-US&anchor=www.thetakeoverpanel.org.uk&index=1&md5=33eec639fc4dc21c9f48a3c1355789ff)\n.\n\n\n\nView source version on businesswire.com:\nhttps://www.businesswire.com/news/home/20260529742744/en/\n(https://www.businesswire.com/news/home/20260529742744/en/)\n\nDriehaus Capital Management LLC\n\n\nCopyright Business Wire 2026","article_body_html":"","raw_payload":{"data":{"id":"nBw2N8SNha","title":"REG-Driehaus Capital Management LLC Form 8.3","author":"Business Wire","ticker":"SNR","created":"2026-05-29T14:22:00.130Z","tickers":["SNR"],"exchange":"LSE","article_body":"Form 8.3\n\n \n\nFORM 8.3\n\nPUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY\n\nA PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE\n\nRule 8.3 of the Takeover Code (the “Code”)\n\n1. KEY INFORMATION\n (a) Full name of discloser:                                                      Driehaus Capital Management LLC  \n (b) Owner or controller of interests and short positions disclosed, if           N/A                              \n different from 1(a):                                                                                              \n \n                                                                                                                 \n \nThe naming of nominee or vehicle companies is insufficient. For a trust, the                                     \n trustee(s), settlor and beneficiaries must be named.                                                              \n (c) Name of offeror/offeree in relation to whose relevant securities this form   Senior plc                       \n relates:                                                                                                          \n \n                                                                                                                 \n \nUse a separate form for each offeror/offeree                                                                     \n (d) If an exempt fund manager connected with an offeror/offeree, state this      N/A                              \n and specify identity of offeror/offeree:                                                                          \n (e) Date position held/dealing undertaken:                                       28 May 2026                      \n \n                                                                                                                 \n \nFor an opening position disclosure, state the latest practicable date prior to                                   \n the disclosure                                                                                                    \n (f) In addition to the company in 1(c) above, is the discloser making            NO                               \n disclosures in respect of any other party to the offer?                          \n                                \n \n                                                                                \n                                \n \nIf it is a cash offer or possible cash offer, state “N/A”                       \n                                \n                                                                                  \n                                \n\n\n2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE\n\nIf there are positions or rights to subscribe to disclose in more than one\nclass of relevant securities of the offeror or offeree named in 1(c), copy\ntable 2(a) or (b) (as appropriate) for each additional class of relevant\nsecurity.\n\n(a) Interests and short positions in the relevant securities of the offeror or\nofferee to which the disclosure relates following the dealing (if any)\n Class of relevant security:                                          10p ordinary                           \n \n                                                                                                           \n \n                                                                                                           \n                                                                      Interests          Short positions     \n \n                                                                    \n                                      \n \n                                                                    \n                                      \n                                                                      Number      %      Number    %         \n (1) Relevant securities owned and/or controlled:                     14,932,638  3.56                       \n (2) Cash-settled derivatives:                                                                               \n \n                                                                                                           \n \n                                                                                                           \n (3) Stock-settled derivatives (including options) and agreements to                                         \n purchase/sell:                                                                                              \n                                                                      14,932,638  3.56                       \n \n                                                                                                           \n \nTOTAL:                                                                                                     \n\n\nAll interests and all short positions should be disclosed.\n\nDetails of any open stock-settled derivative positions (including traded\noptions), or agreements to purchase or sell relevant securities, should be\ngiven on a Supplemental Form 8 (Open Positions).\n\n(b) Rights to subscribe for new securities (including directors’ and other\nemployee options)\n Class of relevant security in relation to which subscription right exists:       \n Details, including nature of the rights concerned and relevant percentages:      \n\n\n3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE\n\nWhere there have been dealings in more than one class of relevant securities\nof the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as\nappropriate) for each additional class of relevant security dealt in.\n\nThe currency of all prices and other monetary amounts should be stated.\n\n(a) Purchases and sales\n Class of relevant security  Purchase/sale  Number of securities  Price per unit  \n                             \n                                                    \n                             \n                                                    \n 10p Ordinary                Sale           23,139.00             2.8706          \n 10p Ordinary                Sale           12,507.00             2.8706          \n 10p Ordinary                Sale           8,968.00              2.8706          \n 10p Ordinary                Sale           14,931.00             2.8706          \n\n\n(b) Cash-settled derivative transactions\n Class of relevant security  Product description  Nature of dealing                                                              Number of reference securities  Price per unit  \n                             \n                    \n                                                                                                                              \n                             \ne.g. CFD            \ne.g. opening/closing a long/short position, increasing/reducing a long/short                                                  \n                                                  position                                                                                                                       \n\n\n(c) Stock-settled derivative transactions (including options)\n\n(i) Writing, selling, purchasing or varying\n 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                           Expiry date  Option money paid/ received per unit  \n                                                                                                                                                                                      \n                                                                                 \n                                                                                                                                                                                      \ne.g. American, European etc.                                                     \n\n\n(ii) Exercise\n Class of relevant security  Product description  Exercising/ exercised against  Number of securities  Exercise price per unit  \n                             \n                                                                                                  \n                             \ne.g. call option                                                                                  \n\n\n(d) Other dealings (including subscribing for new securities)\n Class of relevant security  Nature of dealing               Details  Price per unit (if applicable)  \n                             \n                                                                        \n                             \ne.g. subscription, conversion                                           \n\n\n4. OTHER INFORMATION\n\n(a) Indemnity and other dealing arrangements\n Details of any indemnity or option arrangement, or any agreement or              \n understanding, formal or informal, relating to relevant securities which may     \n be an inducement to deal or refrain from dealing entered into by the person      \n making the disclosure and any party to the offer or any person acting in         \n concert with a party to the offer:                                               \n \n                                                                                \n \nIrrevocable commitments and letters of intent should not be included. If there  \n are no such agreements, arrangements or understandings, state “none”             \n                                                                                  \n \n                                                                                \n \nNONE                                                                            \n \n                                                                                \n \n                                                                                \n\n\n(b) Agreements, arrangements or understandings relating to options or\nderivatives\n Details of any agreement, arrangement or understanding, formal or informal,  \n between the person making the disclosure and any other person relating to:   \n \n                                                                            \n \n(i) the voting rights of any relevant securities under any option; or       \n \n                                                                            \n \n(ii) the voting rights or future acquisition or disposal of any relevant    \n securities to which any derivative is referenced:                            \n \n                                                                            \n \nIf there are no such agreements, arrangements or understandings, state      \n “none”                                                                       \n                                                                              \n \n                                                                            \n \nNONE                                                                        \n \n                                                                            \n \n                                                                            \n\n\n(c) Attachments\n Is a Supplemental Form 8 (Open Positions) attached?  NO  \n\n Date of disclosure:  29 May 2026    \n Contact name:        Anne Kochevar  \n Telephone number:    312-587-3849   \n\n\nPublic disclosures under Rule 8 of the Code must be made to a Regulatory\nInformation Service.\n\nThe Panel’s Market Surveillance Unit is available for consultation in\nrelation to the Code’s disclosure requirements on +44 (0)20 7638 0129.\n\nThe Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk\n(https://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.thetakeoverpanel.org.uk&esheet=54544200&newsitemid=20260529742744&lan=en-US&anchor=www.thetakeoverpanel.org.uk&index=1&md5=33eec639fc4dc21c9f48a3c1355789ff)\n.\n\n\n\nView source version on businesswire.com:\nhttps://www.businesswire.com/news/home/20260529742744/en/\n(https://www.businesswire.com/news/home/20260529742744/en/)\n\nDriehaus Capital Management LLC\n\n\nCopyright Business Wire 2026"},"type":"article","timestamp":"2026-05-29T14:22:00.182341964Z","server_sent_at_ms":1780064520182},"received_at":"2026-05-29T14:22:00.259Z","source_url":"https://www.businesswire.com/news/home/20260529742744/en/"},"analysis":{"id":"38911","press_release_id":"49478","analysis_json":{"industry":{"label":"Industrial Conglomerates","sector":"Industrials"},"redFlags":[],"eventType":"insider_transaction","narrative":"Driehaus Capital Management LLC disclosed a sale of 59,545 shares of Senior plc (SNR) at £2.8706 per share.\n\nThe transaction was reported under Rule 8.3 of the UK Takeover Code, with the disclosure dated May 28, 2026.\n\nFollowing the sale, Driehaus retains a total holding of 14,932,638 shares, representing 3.56% of the company's ordinary shares.","sentiment":"neutral","agentHooks":{"shouldPost":false,"suggestedAngle":"Routine institutional block trade disclosure; negligible impact on ownership stake."},"keyFigures":{"customDimensions":{"price_per_share":2.8706,"total_shares_owned":14932638,"ownership_percentage":3.56}},"quotedText":"Sale 59,545.00 2.8706","namedEntities":{"people":[{"name":"Anne Kochevar","role":"Contact"}],"products":[],"companies":[{"name":"Driehaus Capital Management LLC","relationship":"discloser"},{"name":"Senior plc","ticker":"SNR","relationship":"issuer"}],"dollarAmounts":[]},"materialImpact":{"score":1,"reasoning":"Routine regulatory disclosure of a small block trade (approx. $100k) by an institutional investor. The sale represents a negligible reduction in total holdings (from ~3.56% to ~3.51%) and is standard compliance activity under the UK Takeover Code."},"tickerRelevance":{"others":[],"primary":"SNR"},"globalImportance":5,"audienceRelevance":5,"eventTypeSecondary":[],"importanceComponents":{"tickerTier":"small-cap","eventGravity":"routine-disclosure","householdBrandBoost":0,"marketCapAdjustment":"low"}},"event_type":"insider_transaction","event_type_secondary":null,"sentiment":"neutral","material_impact_score":1,"narrative":"Driehaus Capital Management LLC disclosed a sale of 59,545 shares of Senior plc (SNR) at £2.8706 per share.\n\nThe transaction was reported under Rule 8.3 of the UK Takeover Code, with the disclosure dated May 28, 2026.\n\nFollowing the sale, Driehaus retains a total holding of 14,932,638 shares, representing 3.56% of the company's ordinary shares.","key_figures":{"customDimensions":{"price_per_share":2.8706,"total_shares_owned":14932638,"ownership_percentage":3.56}},"named_entities":{"people":[{"name":"Anne Kochevar","role":"Contact"}],"products":[],"companies":[{"name":"Driehaus Capital Management LLC","relationship":"discloser"},{"name":"Senior plc","ticker":"SNR","relationship":"issuer"}],"dollarAmounts":[]},"model_name":"qwen3_6_27b_awq","prompt_hash":"sha256:727b4b9429a443af","schema_hash":"sha256:05005c02d9cffac9","created_at":"2026-05-29T14:22:45.884Z","global_importance":5,"audience_relevance":5,"importance_components":{"tickerTier":"small-cap","eventGravity":"routine-disclosure","householdBrandBoost":0,"marketCapAdjustment":"low"}},"durationMs":45614,"modelName":"george-droid-qwen-72b"}}