XenoTherapeutics Acquires ESSA Pharma

AstraZeneca to Acquire EsoBiotec

March 18, 2025

Biotechnology

AstraZeneca has entered into a definitive agreement to acquire EsoBiotec, a biotechnology company developing in vivo cell therapies. The deal is valued at up to $1 billion on a cash and debt-free basis, with an initial $425 million payment upon closing plus up to $575 million in contingent milestone consideration. The transaction is expected to close in Q2 2025, subject to regulatory approvals.

Sorrento Therapeutics Acquires ACEA Therapeutics

June 1, 2021

Biotechnology

Sorrento Therapeutics completed the acquisition of ACEA Therapeutics, making ACEA a wholly owned subsidiary and issuing Sorrento common stock plus contingent milestone and royalty payments. The deal adds multiple clinical- and preclinical-stage new chemical entities (including abivertinib) to Sorrento's oncology and immunotherapy pipeline and expands its development and manufacturing footprint in China and North America.

Gilead Sciences Acquires XinThera

May 9, 2023

Biotechnology

Gilead Sciences has acquired all outstanding shares of XinThera, a San Diego–based private biotechnology company, adding small-molecule oncology and inflammation programs (including PARP1-selective and MK2-targeting assets) to its early pipeline. Financial terms were not disclosed; XinThera was backed by investors including Foresite Capital, OrbiMed and TTM Capital.

Sciens Building Solutions Acquires Electronic Security Solutions (ESS)

April 14, 2022

Industrial Services

Sciens Building Solutions, a San Francisco-based building solutions platform backed by The Carlyle Group, has acquired Electronic Security Solutions (ESS), a Plymouth Meeting, Pennsylvania-based fire and security integrator founded in 1999. The add-on expands Sciens' footprint into the Philadelphia tri-state market (Pennsylvania, New Jersey, Delaware) and augments its capabilities in fire detection, alarm and security services.

XenoTherapeutics Acquires Repare Therapeutics

January 28, 2026

Biotechnology

XenoTherapeutics, Inc. and Xeno Acquisition Corp. acquired all outstanding shares of Repare Therapeutics Inc. via a statutory plan of arrangement. The deal was approved by Repare shareholders in January 2026 and the acquisition was completed with a per-share cash payment of approximately US$2.20 plus contingent value rights.

BioCryst Pharmaceuticals Completes Acquisition of Astria Therapeutics

January 26, 2026

Healthcare Services

BioCryst Pharmaceuticals, Inc. completed its acquisition of Astria Therapeutics, Inc. to strengthen its leadership in hereditary angioedema (HAE) and support long-term growth. The deal adds navenibart, a late-stage long-acting plasma kallikrein inhibitor (Phase 3), and also brings Astria’s early-stage atopic dermatitis program STAR0310 (for strategic alternatives).