Dong-A ST to acquire AbTis

SI Bio & Healthcare ADC drug development

Not yet reviewed: summarised from filings and press reports; figures may differ between reports. Please check the original sources.

Deal value
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Stake
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Implied 100%
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Revenue
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Op. income
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Multiples
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Target
AbTis · ADC drug development
Buyer
Dong-A ST · SI
Seller
Existing shareholders
Structure
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Announced
Dec 20, 2023
Closed
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Stage
Announced

Target

AbTis is an antibody-drug conjugate (ADC) company that owns 'AbClick', a third-generation ADC linker technology enabling site-selective drug conjugation without antibody modification. Its lead pipeline asset is AT-211, a Claudin18.2-targeting ADC candidate.

Deal rationale

Dong-A ST said it acquired control of AbTis together with its third-generation ADC linker platform and pipeline to secure a new growth engine in R&D. The company said it plans to build a proprietary ADC platform over the medium to long term and expand into ADC CDMO services, and to pursue synergies among Dong-A ST, ST Pharm and STgenBio. AbTis was reported to become a subsidiary within 2023.

신사업 진출

Press coverage

  • 데일리팜 (2023-12-20): “동아ST, 앱티스 인수…ADC 신약 개발 본격화”
  • 바이오스펙테이터 (2023-12-20): “구체적인 계약 규모를 밝히지 않았다”
  • 데일리팜 (): “동아에스티가 2023년 말부터 1년 동안 앱티스에 투자한 자금은 총 556억원에 달했다.”

This is a data entry summarising filings and press reports. Please check the original sources for the figures.