{"success":true,"data":{"pressRelease":{"id":"139953","rtpr_id":"nGNE1ldW7z-20260910","ticker":"STEMS","exchange":"LSE","all_tickers":["STEMS"],"title":"REG-Dimensional Fund Advisors Ltd. : Form 8.3 - STHREE PLC - Ordinary Shares","author":"Globe Newswire","published_at":"2026-09-10T08:48:28.082Z","article_body":"FORM 8.3\n\nPUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY\nA PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE\nRule 8.3 of the Takeover Code (the “Code”)\n\n 1. KEY INFORMATION \n \n (a) Full name of discloser: Dimensional Fund Advisors Ltd. whose parent is Dimensional Fund Advisors LP, and also on behalf their investment advisory affiliates (“Dimensional”). The Dimensional entities are investment advisors and Dimensional expressly disclaims beneficial ownership of the shares \n described in this form 8.3. \n (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 (c) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree SThree PLC \n (d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree: \n (e) Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure 09 September 2026 \n (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 \n \n 2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE \n \n 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. \n (a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any) \n \n Class of relevant security: 1p Ordinary (GB00B0KM9T71) \n Interests Short Positions \n Number % Number % \n (1) Relevant securities owned and/or controlled: 1,714,946 1.40 % \n (2) Cash-settled derivatives: \n (3) Stock-settled derivatives (including options) and agreements to purchase/sell: \n Total 1,714,946 * 1.40 % \n * Dimensional Fund Advisors LP and/or its affiliates do not have discretion regarding voting decisions in respect of 21,209 shares that are included in the total above. \n \n 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). \n \n \n (b) Rights to subscribe for new securities (including directors’ and other employee options) \n \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 3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE \n \n 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. \n (a) Purchases and sales \n \n Class of relevant security Purchase/sale Number of securities Price per unit \n 1p Ordinary (GB00B0KM9T71) Purchase 3,538 2.7756 GBP \n \n (b) Cash-settled derivative transactions \n \n 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 \n \n \n (c) Stock-settled derivative transactions (including options) \n \n (i) Writing, selling, purchasing or varying \n \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 e.g. American, European etc. Expiry date Option money paid/ received per unit \n \n \n (ii) Exercise \n \n Class of relevant security Product description e.g. call option Exercising/ exercised against Number of securities Exercise price per unit \n \n \n (d) Other dealings (including subscribing for new securities) \n \n Class of relevant security Nature of dealing e.g. subscription, conversion Details Price per unit (if applicable) \n \n \n 4. OTHER INFORMATION \n \n (a) Indemnity and other dealing arrangements \n \n 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” \n None \n \n (b) Agreements, arrangements or understandings relating to options or derivatives \n \n 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” \n None \n \n (c) Attachments \n \n Is a Supplemental Form 8 (Open Positions) attached? NO \n \n Date of disclosure 10 September 2026 \n Contact name Thomas Hone \n Telephone number +44 20 3033 3419 \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\nwww.thetakeoverpanel.org.uk.","article_body_html":"","raw_payload":{"data":{"id":"nGNE1ldW7z-20260910","title":"REG-Dimensional Fund Advisors Ltd. : Form 8.3 - STHREE PLC - Ordinary Shares","author":"Globe Newswire","ticker":"STEMS","created":"2026-09-10T08:48:28.082Z","tickers":["STEMS"],"exchange":"LSE","article_body":"FORM 8.3\n\nPUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY\nA PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE\nRule 8.3 of the Takeover Code (the “Code”)\n\n 1. KEY INFORMATION \n \n (a) Full name of discloser: Dimensional Fund Advisors Ltd. whose parent is Dimensional Fund Advisors LP, and also on behalf their investment advisory affiliates (“Dimensional”). The Dimensional entities are investment advisors and Dimensional expressly disclaims beneficial ownership of the shares \n described in this form 8.3. \n (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 (c) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree SThree PLC \n (d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree: \n (e) Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure 09 September 2026 \n (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 \n \n 2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE \n \n 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. \n (a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any) \n \n Class of relevant security: 1p Ordinary (GB00B0KM9T71) \n Interests Short Positions \n Number % Number % \n (1) Relevant securities owned and/or controlled: 1,714,946 1.40 % \n (2) Cash-settled derivatives: \n (3) Stock-settled derivatives (including options) and agreements to purchase/sell: \n Total 1,714,946 * 1.40 % \n * Dimensional Fund Advisors LP and/or its affiliates do not have discretion regarding voting decisions in respect of 21,209 shares that are included in the total above. \n \n 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). \n \n \n (b) Rights to subscribe for new securities (including directors’ and other employee options) \n \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 3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE \n \n 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. \n (a) Purchases and sales \n \n Class of relevant security Purchase/sale Number of securities Price per unit \n 1p Ordinary (GB00B0KM9T71) Purchase 3,538 2.7756 GBP \n \n (b) Cash-settled derivative transactions \n \n 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 \n \n \n (c) Stock-settled derivative transactions (including options) \n \n (i) Writing, selling, purchasing or varying \n \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 e.g. American, European etc. Expiry date Option money paid/ received per unit \n \n \n (ii) Exercise \n \n Class of relevant security Product description e.g. call option Exercising/ exercised against Number of securities Exercise price per unit \n \n \n (d) Other dealings (including subscribing for new securities) \n \n Class of relevant security Nature of dealing e.g. subscription, conversion Details Price per unit (if applicable) \n \n \n 4. OTHER INFORMATION \n \n (a) Indemnity and other dealing arrangements \n \n 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” \n None \n \n (b) Agreements, arrangements or understandings relating to options or derivatives \n \n 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” \n None \n \n (c) Attachments \n \n Is a Supplemental Form 8 (Open Positions) attached? NO \n \n Date of disclosure 10 September 2026 \n Contact name Thomas Hone \n Telephone number +44 20 3033 3419 \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\nwww.thetakeoverpanel.org.uk."},"type":"article","timestamp":"2026-09-10T08:48:28.176306158Z","server_sent_at_ms":1789030108176},"received_at":"2026-09-10T08:48:28.459Z","source_url":null},"analysis":{"id":"128789","press_release_id":"139953","analysis_json":{"industry":{"label":"Human Resource & Employment Services","sector":"Industrials"},"redFlags":["Rule 8.3 disclosure implies SThree PLC is in a Takeover Code offer period, but no offeror or offer terms are named in this filing"],"eventType":"regulatory","narrative":"Dimensional Fund Advisors Ltd. filed a Rule 8.3 Takeover Code opening position disclosure covering SThree PLC, reporting ownership of 1,714,946 1p ordinary shares, equal to 1.40% of the class, as of September 9, 2026.\n\nThe filing discloses a single dealing: a purchase of 3,538 shares at 2.7756 GBP per share, with no short positions, derivatives, or subscription rights reported.\n\nDimensional, whose parent is Dimensional Fund Advisors LP, is an investment advisor that expressly disclaims beneficial ownership and lacks voting discretion on 21,209 of the shares. Rule 8.3 disclosures are made only during a Takeover Code offer period, implying SThree is subject to a possible offer, though the filing names no offeror and provides no deal terms.","sentiment":"neutral","agentHooks":{"shouldPost":false,"suggestedAngle":"Boilerplate passive-fund Rule 8.3 filing; the sole signal is that SThree appears to sit in a takeover offer period."},"keyFigures":{"customDimensions":{"sharesOwned":1714946,"positionDate":"2026-09-09","disclosureDate":"2026-09-10","sharesPurchased":3538,"ownershipPercent":"1.40%","purchasePriceGbp":2.7756,"nonDiscretionaryVotingShares":21209}},"quotedText":"Dimensional expressly disclaims beneficial ownership of the shares described in this form 8.3","namedEntities":{"people":[{"name":"Thomas Hone","role":"disclosure contact"}],"products":[],"companies":[{"name":"Dimensional Fund Advisors Ltd.","relationship":"disclosing institutional shareholder"},{"name":"Dimensional Fund Advisors LP","relationship":"parent of discloser"},{"name":"SThree PLC","relationship":"subject company (offeree under Takeover Code)"}],"dollarAmounts":[{"amount":"2.7756 GBP","context":"price per share paid for purchase of 3,538 SThree ordinary shares"}]},"materialImpact":{"score":2,"reasoning":"Routine Rule 8.3 Takeover Code position disclosure by a passive institutional investor holding 1.40% of SThree; no offeror, offer terms, or new corporate information is disclosed. The only informational signal is that such filings occur during a Takeover Code offer period, implying SThree is subject to a possible offer."},"tickerRelevance":{"others":[],"primary":"STEMS"},"globalImportance":10,"audienceRelevance":10,"eventTypeSecondary":["m_and_a"],"importanceComponents":{"filerRole":"subject company (offeree)","tickerTier":"foreign small/mid-cap (LSE-listed, US OTC ADR)","eventGravity":"routine Takeover Code position disclosure","passiveDiscloser":true,"offerPeriodSignal":true,"householdBrandBoost":false}},"event_type":"regulatory","event_type_secondary":["m_and_a"],"sentiment":"neutral","material_impact_score":2,"narrative":"Dimensional Fund Advisors Ltd. filed a Rule 8.3 Takeover Code opening position disclosure covering SThree PLC, reporting ownership of 1,714,946 1p ordinary shares, equal to 1.40% of the class, as of September 9, 2026.\n\nThe filing discloses a single dealing: a purchase of 3,538 shares at 2.7756 GBP per share, with no short positions, derivatives, or subscription rights reported.\n\nDimensional, whose parent is Dimensional Fund Advisors LP, is an investment advisor that expressly disclaims beneficial ownership and lacks voting discretion on 21,209 of the shares. Rule 8.3 disclosures are made only during a Takeover Code offer period, implying SThree is subject to a possible offer, though the filing names no offeror and provides no deal terms.","key_figures":{"customDimensions":{"sharesOwned":1714946,"positionDate":"2026-09-09","disclosureDate":"2026-09-10","sharesPurchased":3538,"ownershipPercent":"1.40%","purchasePriceGbp":2.7756,"nonDiscretionaryVotingShares":21209}},"named_entities":{"people":[{"name":"Thomas Hone","role":"disclosure contact"}],"products":[],"companies":[{"name":"Dimensional Fund Advisors Ltd.","relationship":"disclosing institutional shareholder"},{"name":"Dimensional Fund Advisors LP","relationship":"parent of discloser"},{"name":"SThree PLC","relationship":"subject company (offeree under Takeover Code)"}],"dollarAmounts":[{"amount":"2.7756 GBP","context":"price per share paid for purchase of 3,538 SThree ordinary shares"}]},"model_name":"glm-5.3-flash","prompt_hash":"sha256:727b4b9429a443af","schema_hash":"sha256:05005c02d9cffac9","created_at":"2026-09-10T08:49:09.026Z","global_importance":10,"audience_relevance":10,"importance_components":{"filerRole":"subject company (offeree)","tickerTier":"foreign small/mid-cap (LSE-listed, US OTC ADR)","eventGravity":"routine Takeover Code position disclosure","passiveDiscloser":true,"offerPeriodSignal":true,"householdBrandBoost":false}},"durationMs":40556,"modelName":"glm-5.3-flash"}}