{"success":true,"data":{"pressRelease":{"id":"139574","rtpr_id":"nPnbPGbMLa-20260909","ticker":"HOWL","exchange":"NASDAQ","all_tickers":["HOWL","MKTX","PSNL"],"title":"Are MKTX, HOWL, PSNL Obtaining Fair Deals for their Shareholders?","author":"PR Newswire","published_at":"2026-09-09T18:49:00.026Z","article_body":"Are MKTX, HOWL, PSNL Obtaining Fair Deals for their Shareholders?\n\nPR Newswire\n\nNEW YORK, Sept. 9, 2026\n\nInsiders may stand to receive substantial financial benefits not available to\nordinary shareholders.\n\nThe proposed transactions may contain terms that could limit superior\ncompeting offers.\n\nShareholders are encouraged to contact the firm to discuss their rights and\noptions at no cost or obligation. We would handle any matter on a contingent\nfee basis, whereby you would not be responsible for out-of-pocket payment of\nour legal fees or expenses.\n\nNEW YORK, Sept. 9, 2026 /PRNewswire/ -- Halper Sadeh LLC, an investor rights\nlaw firm, is investigating the following companies for potential violations of\nthe federal securities laws and/or breaches of fiduciary duties to\nshareholders relating to:\n\nMarketAxess Holdings Inc. (NASDAQ: MKTX)'s sale to Intercontinental Exchange,\nInc. for $167.00 per share in cash. If you are a MarketAxess shareholder,\nclick here to learn more about your legal rights and options\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=3210902746&u=https%3A%2F%2Fhalpersadeh.com%2Factions%2Fmarketaxess-holdings-inc&a=click+here+to+learn+more+about+your+legal+rights+and+options)\n.\n\nWerewolf Therapeutics, Inc. (NASDAQ: HOWL)'s merger with Ambros Therapeutics,\nInc. Upon closing of the proposed transaction, Werewolf shareholders are\nexpected to own approximately 6.8% of the combined company. If you are a\nWerewolf shareholder, click here to learn more about your legal rights and\noptions\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=106010832&u=https%3A%2F%2Fhalpersadeh.com%2Factions%2Fwerewolf-therapeutics-inc&a=click+here+to+learn+more+about+your+legal+rights+and+options)\n.\n\nPersonalis, Inc. (NASDAQ: PSNL)'s sale to Tempus AI, Inc. for $16.25 per\nshare. If you are a Personalis shareholder, click here to learn more about\nyour legal rights and options\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=16541752&u=https%3A%2F%2Fhalpersadeh.com%2Factions%2Fpersonalis-inc&a=click+here+to+learn+more+about+your+legal+rights+and+options)\n.\n\nOn behalf of shareholders, Halper Sadeh LLC may seek increased consideration,\nadditional disclosures and information, or other relief and benefits.\n\nHalper Sadeh LLC represents investors all over the world who have fallen\nvictim to securities fraud and corporate misconduct. Our attorneys have been\ninstrumental in implementing corporate reforms and recovering millions of\ndollars on behalf of defrauded investors.\n\nAttorney Advertising. Prior results do not guarantee a similar outcome.\n\nContact Information:\nHalper Sadeh LLC\nDaniel Sadeh, Esq.\nZachary Halper, Esq.\nOne World Trade Center\n85th Floor\nNew York, NY 10007\n(212) 763-0060\nsadeh@halpersadeh.com (mailto:sadeh@halpersadeh.com)\nzhalper@halpersadeh.com (mailto:zhalper@halpersadeh.com)\nhttps://www.halpersadeh.com\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=4190074882&u=https%3A%2F%2Fwww.halpersadeh.com%2F&a=https%3A%2F%2Fwww.halpersadeh.com)\n\nView original content to download\nmultimedia:https://www.prnewswire.com/news-releases/are-mktx-howl-psnl-obtaining-fair-deals-for-their-shareholders-302874101.html\n(https://www.prnewswire.com/news-releases/are-mktx-howl-psnl-obtaining-fair-deals-for-their-shareholders-302874101.html)\n\nSOURCE Halper Sadeh LLP\n\n\n\nPhoto: \nhttps://mmx.prnewswire.com/media/MS1376951/Halper-Sadeh.jpg?id=OA2938915\n\nCopyright (c) 2026 PR Newswire Association,LLC. All Rights Reserved.","article_body_html":"","raw_payload":{"data":{"id":"nPnbPGbMLa-20260909","title":"Are MKTX, HOWL, PSNL Obtaining Fair Deals for their Shareholders?","author":"PR Newswire","ticker":"HOWL","created":"2026-09-09T18:49:00.026Z","tickers":["HOWL","MKTX","PSNL"],"exchange":"NASDAQ","article_body":"Are MKTX, HOWL, PSNL Obtaining Fair Deals for their Shareholders?\n\nPR Newswire\n\nNEW YORK, Sept. 9, 2026\n\nInsiders may stand to receive substantial financial benefits not available to\nordinary shareholders.\n\nThe proposed transactions may contain terms that could limit superior\ncompeting offers.\n\nShareholders are encouraged to contact the firm to discuss their rights and\noptions at no cost or obligation. We would handle any matter on a contingent\nfee basis, whereby you would not be responsible for out-of-pocket payment of\nour legal fees or expenses.\n\nNEW YORK, Sept. 9, 2026 /PRNewswire/ -- Halper Sadeh LLC, an investor rights\nlaw firm, is investigating the following companies for potential violations of\nthe federal securities laws and/or breaches of fiduciary duties to\nshareholders relating to:\n\nMarketAxess Holdings Inc. (NASDAQ: MKTX)'s sale to Intercontinental Exchange,\nInc. for $167.00 per share in cash. If you are a MarketAxess shareholder,\nclick here to learn more about your legal rights and options\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=3210902746&u=https%3A%2F%2Fhalpersadeh.com%2Factions%2Fmarketaxess-holdings-inc&a=click+here+to+learn+more+about+your+legal+rights+and+options)\n.\n\nWerewolf Therapeutics, Inc. (NASDAQ: HOWL)'s merger with Ambros Therapeutics,\nInc. Upon closing of the proposed transaction, Werewolf shareholders are\nexpected to own approximately 6.8% of the combined company. If you are a\nWerewolf shareholder, click here to learn more about your legal rights and\noptions\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=106010832&u=https%3A%2F%2Fhalpersadeh.com%2Factions%2Fwerewolf-therapeutics-inc&a=click+here+to+learn+more+about+your+legal+rights+and+options)\n.\n\nPersonalis, Inc. (NASDAQ: PSNL)'s sale to Tempus AI, Inc. for $16.25 per\nshare. If you are a Personalis shareholder, click here to learn more about\nyour legal rights and options\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=16541752&u=https%3A%2F%2Fhalpersadeh.com%2Factions%2Fpersonalis-inc&a=click+here+to+learn+more+about+your+legal+rights+and+options)\n.\n\nOn behalf of shareholders, Halper Sadeh LLC may seek increased consideration,\nadditional disclosures and information, or other relief and benefits.\n\nHalper Sadeh LLC represents investors all over the world who have fallen\nvictim to securities fraud and corporate misconduct. Our attorneys have been\ninstrumental in implementing corporate reforms and recovering millions of\ndollars on behalf of defrauded investors.\n\nAttorney Advertising. Prior results do not guarantee a similar outcome.\n\nContact Information:\nHalper Sadeh LLC\nDaniel Sadeh, Esq.\nZachary Halper, Esq.\nOne World Trade Center\n85th Floor\nNew York, NY 10007\n(212) 763-0060\nsadeh@halpersadeh.com (mailto:sadeh@halpersadeh.com)\nzhalper@halpersadeh.com (mailto:zhalper@halpersadeh.com)\nhttps://www.halpersadeh.com\n(https://edge.prnewswire.com/c/link/?t=0&l=en&o=4770494-1&h=4190074882&u=https%3A%2F%2Fwww.halpersadeh.com%2F&a=https%3A%2F%2Fwww.halpersadeh.com)\n\nView original content to download\nmultimedia:https://www.prnewswire.com/news-releases/are-mktx-howl-psnl-obtaining-fair-deals-for-their-shareholders-302874101.html\n(https://www.prnewswire.com/news-releases/are-mktx-howl-psnl-obtaining-fair-deals-for-their-shareholders-302874101.html)\n\nSOURCE Halper Sadeh LLP\n\n\n\nPhoto: \nhttps://mmx.prnewswire.com/media/MS1376951/Halper-Sadeh.jpg?id=OA2938915\n\nCopyright (c) 2026 PR Newswire Association,LLC. All Rights Reserved."},"type":"article","timestamp":"2026-09-09T18:49:00.060384262Z","server_sent_at_ms":1788979740060},"received_at":"2026-09-09T18:49:00.144Z","source_url":"https://www.prnewswire.com/news-releases/are-mktx-howl-psnl-obtaining-fair-deals-for-their-shareholders-302874101.html"},"analysis":{"id":"128410","press_release_id":"139574","analysis_json":{"industry":{"label":"Biotechnology","sector":"Health Care"},"redFlags":["Werewolf shareholders to own only ~6.8% of combined company in Ambros Therapeutics merger","Law firm alleges deal terms may limit superior competing offers and insiders may receive benefits unavailable to ordinary shareholders"],"eventType":"legal_litigation","narrative":"Plaintiff law firm Halper Sadeh LLC announced it is investigating Werewolf Therapeutics (HOWL) for potential violations of federal securities laws and breaches of fiduciary duties relating to its proposed merger with Ambros Therapeutics.\n\nUnder the proposed transaction, Werewolf shareholders are expected to own approximately 6.8% of the combined company upon closing.\n\nThe same release also probes MarketAxess's $167.00-per-share sale to Intercontinental Exchange and Personalis's $16.25-per-share sale to Tempus AI. This is a routine law-firm investor solicitation wired under the firm's own name, not a disclosure from any of the issuers.","sentiment":"neutral","agentHooks":{"shouldPost":false,"suggestedAngle":"Plaintiff-firm solicitation covering three pending M&A deals including HOWL's merger -- suppress."},"keyFigures":{"customDimensions":{"howl_post_close_ownership":"6.8%","mktx_deal_price_per_share":"$167.00","psnl_deal_price_per_share":"$16.25"}},"quotedText":"Insiders may stand to receive substantial financial benefits not available to ordinary shareholders.","namedEntities":{"people":[{"name":"Daniel Sadeh, Esq.","role":"attorney, Halper Sadeh LLC contact"},{"name":"Zachary Halper, Esq.","role":"attorney, Halper Sadeh LLC contact"}],"products":[],"companies":[{"name":"Halper Sadeh LLC","relationship":"plaintiff law firm issuing solicitation"},{"name":"Werewolf Therapeutics, Inc.","ticker":"HOWL","relationship":"filer; subject of investigation; merger party"},{"name":"Ambros Therapeutics, Inc.","relationship":"merger counterparty with HOWL"},{"name":"MarketAxess Holdings Inc.","ticker":"MKTX","relationship":"subject of investigation; sale target"},{"name":"Intercontinental Exchange, Inc.","relationship":"acquirer of MKTX"},{"name":"Personalis, Inc.","ticker":"PSNL","relationship":"subject of investigation; sale target"},{"name":"Tempus AI, Inc.","relationship":"acquirer of PSNL"}],"dollarAmounts":[{"amount":"$167.00","context":"per-share cash price for MarketAxess sale to Intercontinental Exchange"},{"amount":"$16.25","context":"per-share price for Personalis sale to Tempus AI"}]},"materialImpact":{"score":1,"reasoning":"This is a plaintiff law-firm shareholder solicitation issued by Halper Sadeh LLC under its own name, using 'encouraged to contact the firm' and contingency-fee language. No court action, certified class, or settlement is announced; it is low-signal marketing noise for HOWL and the other named issuers."},"tickerRelevance":{"others":[{"ticker":"MKTX","relevance":"mentioned; co-named investigation subject being acquired by ICE"},{"ticker":"PSNL","relevance":"mentioned; co-named investigation subject being acquired by Tempus AI"},{"ticker":"ICE","relevance":"acquirer of MKTX"},{"ticker":"TEM","relevance":"acquirer of PSNL"}],"primary":"HOWL"},"globalImportance":15,"audienceRelevance":10,"eventTypeSecondary":[],"importanceComponents":{"tickerTier":"small-cap biotech","eventGravity":"law-firm-solicitation","issuerAuthored":false,"multiCompanyRelease":true}},"event_type":"legal_litigation","event_type_secondary":null,"sentiment":"neutral","material_impact_score":1,"narrative":"Plaintiff law firm Halper Sadeh LLC announced it is investigating Werewolf Therapeutics (HOWL) for potential violations of federal securities laws and breaches of fiduciary duties relating to its proposed merger with Ambros Therapeutics.\n\nUnder the proposed transaction, Werewolf shareholders are expected to own approximately 6.8% of the combined company upon closing.\n\nThe same release also probes MarketAxess's $167.00-per-share sale to Intercontinental Exchange and Personalis's $16.25-per-share sale to Tempus AI. This is a routine law-firm investor solicitation wired under the firm's own name, not a disclosure from any of the issuers.","key_figures":{"customDimensions":{"howl_post_close_ownership":"6.8%","mktx_deal_price_per_share":"$167.00","psnl_deal_price_per_share":"$16.25"}},"named_entities":{"people":[{"name":"Daniel Sadeh, Esq.","role":"attorney, Halper Sadeh LLC contact"},{"name":"Zachary Halper, Esq.","role":"attorney, Halper Sadeh LLC contact"}],"products":[],"companies":[{"name":"Halper Sadeh LLC","relationship":"plaintiff law firm issuing solicitation"},{"name":"Werewolf Therapeutics, Inc.","ticker":"HOWL","relationship":"filer; subject of investigation; merger party"},{"name":"Ambros Therapeutics, Inc.","relationship":"merger counterparty with HOWL"},{"name":"MarketAxess Holdings Inc.","ticker":"MKTX","relationship":"subject of investigation; sale target"},{"name":"Intercontinental Exchange, Inc.","relationship":"acquirer of MKTX"},{"name":"Personalis, Inc.","ticker":"PSNL","relationship":"subject of investigation; sale target"},{"name":"Tempus AI, Inc.","relationship":"acquirer of PSNL"}],"dollarAmounts":[{"amount":"$167.00","context":"per-share cash price for MarketAxess sale to Intercontinental Exchange"},{"amount":"$16.25","context":"per-share price for Personalis sale to Tempus AI"}]},"model_name":"glm-5.3-flash","prompt_hash":"sha256:727b4b9429a443af","schema_hash":"sha256:05005c02d9cffac9","created_at":"2026-09-09T18:49:31.925Z","global_importance":15,"audience_relevance":10,"importance_components":{"tickerTier":"small-cap biotech","eventGravity":"law-firm-solicitation","issuerAuthored":false,"multiCompanyRelease":true}},"durationMs":27219,"modelName":"glm-5.3-flash"}}