ABIONYX Pharma Acquires IRIS Pharma via Contribution in Kind

Tarsus Pharmaceuticals Acquires iRenix Medical to Advance IRX-101 for Retina Care

July 9, 2026

Biotechnology

Tarsus Pharmaceuticals announced it has acquired iRenix Medical, adding late-stage investigational ocular antiseptic IRX-101 to its eye care pipeline. Under the agreement, Tarsus will pay about $75 million upfront (cash and stock) and make additional regulatory and commercial milestone payments up to $490 million.

Ipsen Acquires Albireo Pharma

January 9, 2023

Biotechnology

Ipsen has agreed to acquire Albireo Pharma in a cash tender offer of $42.00 per share plus a contingent value right (CVR) tied to FDA approval in biliary atresia, in a transaction intended to expand Ipsen's Rare Disease portfolio. The acquisition brings Albireo's approved pediatric liver drug Bylvay (odevixibat) and a pipeline of bile-acid modulators into Ipsen's global R&D and commercial capabilities.

Recro Pharma Acquires IRISYS (San Diego)

August 13, 2021

Pharmaceuticals

Recro Pharma (NASDAQ: REPH) acquired San Diego–based CDMO IRISYS for approximately $49.85 million in cash, stock and a seller promissory note, transforming Recro into a bi‑coastal, full‑service CDMO. The acquisition expands Recro's capabilities (including aseptic fill/finish and lyophilization), diversifies its client base and adds near‑term revenue and backlog.

Pfizer's Hospital Business Acquires Arixa Pharmaceuticals

October 22, 2020

Pharmaceuticals

Pfizer’s Hospital Business acquired Arixa Pharmaceuticals to advance development of Arixa’s lead oral prodrug ARX-1796, a potential oral beta-lactamase inhibitor + antibiotic combination. Financial terms were not disclosed; Arixa was a virtual, asset-light company based in Palo Alto and was advised by Four Oaks Partners on the transaction.

Astellas Pharma Acquires Xyphos Biosciences

December 26, 2019

Biotechnology

Astellas Pharma has acquired Xyphos Biosciences, gaining Xyphos' ACCEL convertible-CAR technology platform and immuno-oncology talent. The deal included $120 million paid at closing and potential milestone payments bringing the total transaction value to up to $665 million.

Nicox S.A. Acquires Aciex Therapeutics, Inc.

July 2, 2014

Pharmaceuticals

Nicox S.A. agreed to acquire Aciex Therapeutics, Inc., a U.S.-based ophthalmic development company, in a share-exchange deal that will transfer 100% of Aciex to Nicox. The transaction (approved by Nicox shareholders on October 22, 2014) issues 20,627,024 new Nicox shares for Aciex equity and includes contingent value rights giving up to $55 million in potential additional consideration tied to FDA approvals, and is intended to broaden Nicox's ophthalmic development pipeline.