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Pharma News News 4 November 2025 - 17 November 2025

Metsera (MTSR) Delists as Pfizer Closes Up to $10 Billion Obesity Drug Deal – All the Key Updates on November 17, 2025

Metsera (MTSR) Delists as Pfizer Closes Up to $10 Billion Obesity Drug Deal – All the Key Updates on November 17, 2025

Pfizer’s acquisition of Metsera, Inc. (formerly NASDAQ: MTSR) is now effectively complete, Metsera’s stock has been delisted, major index providers are removing the name, and antitrust scholars are using the failed Novo Nordisk bid as a case study in “attempted monopolization.” Here’s a full rundown of what matters today, 17 November 2025, for anyone following Metsera, MTSR, or the obesity‑drug arms race. 1. Where the Metsera–Pfizer Deal Stands Today Pfizer formally closed its acquisition of Metsera on November 13, 2025, after Metsera shareholders approved a sweetened offer that values the obesity biotech at up to $10 billion. Reuters+1 Key terms
17 November 2025
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Cidara Therapeutics (CDTX) Surges on Accelerated Flu Drug Trial – Key Updates for Investors

Merck’s $9.2 Billion Bid Sends Cidara Therapeutics (CDTX) Soaring 105% on November 14, 2025

Cidara Therapeutics, Inc. (NASDAQ: CDTX) is at the center of Wall Street’s attention today after Merck & Co., Inc. (NYSE: MRK) agreed to acquire the San Diego–based biotech in a cash deal valued at approximately $9.2 billion, sending CDTX shares more than 100% higher in a single session. Reuters+1 Below is a detailed look at today’s news (14 November 2025), the science behind Cidara’s lead flu-prevention asset CD388, the stock market reaction, and the wave of shareholder-law-firm investigations that emerged within hours of the announcement. Merck to Acquire Cidara for $221.50 Per Share in Cash Merck and Cidara announced this
14 November 2025
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Merck to Buy Cidara Therapeutics for $9.2 Billion in Bold Bet on Long‑Acting Flu Prevention

Merck to Buy Cidara Therapeutics for $9.2 Billion in Bold Bet on Long‑Acting Flu Prevention

Merck & Co. (NYSE: MRK) has agreed to acquire Cidara Therapeutics (Nasdaq: CDTX) in a deal valued at about $9.2 billion, a blockbuster move that gives the pharma giant a late‑stage, long‑acting influenza prevention drug as it prepares for life after cancer juggernaut Keytruda. Reuters+1 Key points at a glance Deal terms: a rich premium for a single late‑stage asset Under the definitive agreement announced this morning, Merck will, through a subsidiary, launch a tender offer to purchase all outstanding shares of Cidara for $221.50 per share in cash. That price represents a 108.9% premium to Cidara’s last closing price
14 November 2025
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Viking Therapeutics (VKTX) Pops as Canaccord Nudges Price Target to $107; Stifel Conference Buzz & Fresh ObesityWeek® Data — Nov. 12, 2025

Viking Therapeutics (VKTX) Pops as Canaccord Nudges Price Target to $107; Stifel Conference Buzz & Fresh ObesityWeek® Data — Nov. 12, 2025

What’s new today (Nov. 12) Canaccord bumps target to $107. Before the open, Canaccord Genuity’s Edward Nash inched his VKTX target up by $1 to $107 and kept a Buy rating, framing Viking as a high‑quality obesity asset. The update follows Canaccord’s October initiation and comes as investors digest Stifel conference commentary and the latest clinical posters. StreetInsider.com+1 Stock check. VKTX traded around the low‑$40s today as conference headlines and sell‑side notes hit the tape. (See the live chart above; for a public quote page, Reuters lists VKTX real‑time pricing and ranges.) Reuters Fund‑flow tidbits. 13F‑driven headlines this morning highlighted
12 November 2025
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Viking Therapeutics (VKTX) Rides Obesity Drug Wave: Stock Steadies as Analysts Eye Big Upside

Viking Therapeutics (VKTX) on Nov. 11, 2025: Stifel Fireside Chat Today, Fresh VK2735 Obesity Data From ObesityWeek, and Phase 3 VANQUISH Progress

Published: November 11, 2025 Viking Therapeutics, Inc. (NASDAQ: VKTX) steps into the spotlight today with a scheduled fireside chat at the Stifel 2025 Healthcare Conference in New York (4:40–5:10 p.m. ET). The appearance comes on the heels of new clinical analyses from ObesityWeek® 2025 and an October corporate update outlining steady Phase 3 progress for its lead obesity candidate, VK2735. Viking Therapeutics InvestorRoom What’s happening today (Nov. 11) Viking’s management will host a fireside chat and hold 1×1 investor meetings at Stifel’s conference, part of a busy November investor-relations calendar that also includes a corporate presentation at the Jefferies 2025
11 November 2025
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Merck (MRK) Stock Could Skyrocket: Key Drug Approvals & Analyst Targets Unveiled

Merck (MRK) Rallies on Nov. 11, 2025: FDA Approves New Keytruda Companion Diagnostic; Fresh SITC Combo Data, and Dow Momentum

Published: November 11, 2025 At a glance (today) Market move: MRK helps lead the Dow’s advance By early afternoon Tuesday, Merck & Co. (NYSE: MRK) shares were up about 3.9%, helping lead the Dow Jones Industrial Average higher; Nike and Merck together contributed an estimated ~36 points to the index’s ~386‑point climb at that time. MarketWatch In a separate Data Talk update, MRK was up for a sixth straight session, putting it on pace for its longest winning streak since August and tracking toward its highest close since Oct. 1—contingent on late‑day trading. Morningstar Regulatory update: FDA okays Promega’s OncoMate®
11 November 2025
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Metsera (MTSR) Sinks as Pfizer Seals Revised $10B Buyout; 8‑K Spells Out $65.60 Cash + Up to $20.65 CVR — Nov. 10, 2025

Metsera (MTSR) Sinks as Pfizer Seals Revised $10B Buyout; 8‑K Spells Out $65.60 Cash + Up to $20.65 CVR — Nov. 10, 2025

Shares of Metsera, Inc. (NASDAQ: MTSR) slumped on Monday after the obesity‑drug developer said it will proceed with a sweetened takeover by Pfizer that ends a high‑stakes bidding war with Novo Nordisk. Metsera accepted Pfizer’s revised offer late Friday; Novo dropped out over the weekend. In early U.S. trading today, MTSR fell ~15% as investors recalibrated expectations around the final deal structure. Key takeaways (Nov. 10) What changed today The revised terms, line by line (from today’s 8‑K) Metsera’s Form 8‑K filed this morning lays out material changes versus the September agreement: Why Novo bowed out — and the FTC’s
10 November 2025
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InflaRx (IFRX) pops on positive INF904 Phase 2a results in HS & CSU; Q3 filing shows €44.4M liquidity and runway into 2027 — Nov 10, 2025

InflaRx (IFRX) pops on positive INF904 Phase 2a results in HS & CSU; Q3 filing shows €44.4M liquidity and runway into 2027 — Nov 10, 2025

InflaRx N.V. (NASDAQ: IFRX) surged into today’s session after unveiling topline Phase 2a data for its oral C5aR inhibitor INF904 in hidradenitis suppurativa (HS) and chronic spontaneous urticaria (CSU), alongside filing its third‑quarter Form 6‑K showing €44.4 million of available funds and a cash runway into 2027. The company also set out next steps: a Phase 2b HS trial targeted to start in 2026 and continued partnering discussions to accelerate development across indications. What InflaRx reported today The numbers investors will care about (Q3 2025 6‑K) Why this matters Market reaction (Nov 10, 2025) Key data points from the press
10 November 2025
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Bristol‑Myers Squibb (BMY) today: €5B euro‑notes closing, $239M Celgene suit settlement, BioNTech cash flows lift guidance — what to watch on November 9, 2025

Bristol‑Myers Squibb (BMY) today: €5B euro‑notes closing, $239M Celgene suit settlement, BioNTech cash flows lift guidance — what to watch on November 9, 2025

Financing & balance sheet: euro notes + tender offer Bristol‑Myers Squibb priced €5 billion in senior unsecured notes across five tranches — €750M 2030 (2.973%), €1.15B 2033 (3.363%), €1.15B 2038 (3.857%), €750M 2045 (4.289%), and €1.2B 2055 (4.581%) — with closing anticipated Nov. 10, 2025. The notes are guaranteed by Bristol‑Myers Squibb Company. Bristol Myers Squibb News Proceeds, plus about $3B in cash, are earmarked to fund BMS’s cash tender offers for multiple outstanding dollar notes. The offers expire Dec. 3, 2025 (early tender Nov. 17), with maximum aggregate purchase prices of $4B (Pool 1) and $3B (Pool 2) excluding
9 November 2025
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Metsera (NASDAQ: MTSR): Pfizer Clinches $10B Deal as Novo Nordisk Bows Out — What to Know Today (Nov. 8, 2025)

Pfizer Clinches $10B Takeover of Metsera as Novo Nordisk Bows Out — Full Terms, Timeline, and What It Means (Nov. 8, 2025)

Metsera (NASDAQ: MTSR) and Pfizer struck an amended deal worth up to $10B after Novo Nordisk exited the bidding. Here are the final terms, key dates, and what investors should watch next. Updated: November 8, 2025 Top takeaways What changed on Nov. 7–8 Friday, Nov. 7: Metsera announced an amended merger agreement with Pfizer at $86.25 per share (comprised of $65.60 per share in cash and a contingent value right of up to $20.65). The board unanimously reaffirmed its support for Pfizer’s deal, citing both superior certainty of closing and “unacceptably high legal and regulatory risk” tied to Novo’s competing
8 November 2025
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Roche’s $3.5B Bet on 89bio (ETNB) – Stock Soars to New Highs as NASH Breakthrough Looms

Roche’s $3.5B Bet on 89bio (ETNB) – Stock Soars to New Highs as NASH Breakthrough Looms

Recent Developments and News (Nov 2025) 89bio has dominated biotech headlines in late 2025 due to Roche’s takeover move. On October 30, 2025, Roche announced it had successfully completed a tender offer for 89bio at $14.50/share + a $6.00 CVR, and would immediately merge 89bio into its subsidiary roche.com investing.com. By acquiring over 60% of shares in the tender (and securing another ~27% via guaranteed delivery), Roche was able to execute a short-form merger without a shareholder vote investing.com investing.com. All remaining ETNB shares will convert into the same $14.50 + CVR deal, and 89bio’s stock will cease trading on Nasdaq investing.com
5 November 2025
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Prelude Therapeutics (PRLD) Stock’s Wild Ride: 150% Surge, Big Pharma Deal & What’s Next

Prelude Therapeutics (PRLD) Stock’s Wild Ride: 150% Surge, Big Pharma Deal & What’s Next

A Wild Week for PRLD Stock Prelude Therapeutics – a small precision oncology biotech – suddenly became one of the market’s most volatile stocks in early November 2025. On Monday, Nov 3, PRLD shares skyrocketed, at one point gaining over 150%. The stock surged from roughly $1.60 into the $3–4 range, fueled by speculative buzz and unusually heavy trading rttnews.com. More than 29 million shares changed hands in a single day (versus an average of ~250,000), and the price hit a 52-week high of $4.19 rttnews.com. By the session’s end, Prelude closed near $4 – an astronomical one-day move for
4 November 2025
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