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GSK
NYSE Life Sciences

GSK to Acquire Trispecific T Cell-Engager for Multiple Myeloma in Deal Worth Up to $750M

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Pharmaceutical Stocks · Healthcare
Sentiment info
Neutral
Importance info
7
Price
$50.03
Mkt Cap
$100.289B
52W Low
$39.29
52W High
$61.695
52W Position info
27% above low
Off High info
19% below high
Rel. Volume info
0.8× avg
Market data snapshot near publication time

GSK sits 27% above its 52-week low of $39.29.

Summary

GSK announced an agreement to acquire a trispecific T cell-engager for multiple myeloma from Chimagen Biosciences, with a total potential deal value of up to $750 million. The programme is expected to enter phase I trials in 2027.


Key Events · M&A and Partnerships · GSK

  • Acquisition of Trispecific TCE

    GSK entered an agreement to acquire a trispecific T cell-engager for multiple myeloma from Chimagen Biosciences, securing full global rights.

  • Deal Value Up to $750M

    The agreement has a total potential value of up to $750 million, comprising an upfront fee plus success-based development and commercial milestone payments.

  • Phase I Entry Expected 2027

    The programme is expected to enter phase I clinical trials in 2027, with the asset designed to improve tolerability versus existing TCEs.

  • Builds on Existing Chimagen Relationship

    This follows GSK's prior agreement to acquire CMG1A46, a clinical-stage dual CD19/CD20-targeted TCE from Chimagen.


Analysis · GSK · Life Sciences

GSK is paying an upfront fee plus success-based milestones to secure full global rights to a trispecific T cell-engager from Chimagen Biosciences, with the programme expected to enter phase I trials in 2027. The deal strengthens GSK's blood cancer portfolio and builds on an existing relationship with Chimagen, but the asset is preclinical and the total potential value of up to $750 million is modest relative to GSK's size. The transaction is subject to customary closing conditions.

How filings like this one have moved

In the 30 days to Oct 13, 2026, 29.1% of the 1500 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.51%. These are measured outcomes after filings of this importance, not a forecast for this one.

Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset

At the time of this filing, GSK was trading at $50.03 on NYSE in the Life Sciences sector, with a market capitalization of approximately $100.3B. The 52-week trading range was $39.29 to $61.70. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.

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GSK - Latest Insights

GSK
Sep 15, 2026, 2:30 AM EDT
Source: Seeking Alpha
Importance Score:
7
Price at Filing: $50.11
Real-time Price: $46.92 info
Change: -$3.19 (-6%) info
Market Cap: $99.089B info
GSK
Sep 14, 2026, 7:24 AM EDT
Filing Type: 6-K
Importance Score:
8
Price at Filing: $49.89
Real-time Price: $46.92 info
Change: -$2.97 (-6%) info
Market Cap: $99.089B info
GSK
Sep 14, 2026, 7:04 AM EDT
Filing Type: 6-K
Importance Score:
8
Price at Filing: $49.83
Real-time Price: $46.92 info
Change: -$2.91 (-6%) info
Market Cap: $99.089B info
GSK
Sep 01, 2026, 7:46 AM EDT
Filing Type: 6-K
Importance Score:
7
Price at Filing: $50.47
Real-time Price: $46.92 info
Change: -$3.55 (-7%) info
Market Cap: $99.089B info
GSK
Aug 24, 2026, 6:57 AM EDT
Filing Type: 6-K
Importance Score:
9
Price at Filing: $51.83
Real-time Price: $46.92 info
Change: -$4.91 (-9%) info
Market Cap: $99.089B info