secwatch.observer — SEC 8-K summary
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Issuer:     Esperion Therapeutics, Inc. (ESPR)
CIK:        0001434868
Form:       8-K
Filed at:   2023-03-27T23:59:59+00:00
Accession:  0001628280-23-009291
Event type: litigation
Sentiment:  negative
Materiality: 0.90
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Esperion sues Daiichi Sankyo Europe over $300M milestone; CLEAR Outcomes showed 27% MI reduction
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- Complaint seeks declaratory judgment that $300M milestone is triggered by CLEAR Outcomes' 27% nonfatal MI risk reduction.
- DSE argues milestone only for MACE-4 composite risk reduction ≥15%; actual MACE-4 was 12.98%.
- Esperion stock fell 63% from $3.99 to $1.49 after March 15 disclosure of dispute.
- CLEAR Outcomes also showed 23% fatal+nonfatal MI and 15% stroke reduction; milestone tiers are $200M (≥15%) and $300M (≥20%).
- Esperion alleges ongoing harm and difficulty raising capital due to DSE's position.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1434868/000162828023009291/0001628280-23-009291-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1434868/000162828023009291/espr-20230327.htm
  HTML page:      https://secwatch.observer/filing/0001628280-23-009291

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer