secwatch.observer — SEC 8-K summary
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Issuer:     ACELYRIN, Inc. (—)
CIK:        0001962918
Form:       8-K/A
Filed at:   2024-05-28T23:59:59+00:00
Accession:  0001962918-24-000075
Event type: leadership
Sentiment:  neutral
Materiality: 0.65
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

ACELYRIN names Mina Kim CEO; Kim gets $640k base, 1.2M option grant; ex-CEO Lin severance disclosed
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- Mina Kim appointed CEO effective May 9, 2024, and to Board; Shao-Lee Lin stepped down as CEO and Board member.
- Lin receives severance: 18 months base salary, equity vesting acceleration, pro-rated 2024 bonus, up to 24 months health premiums.
- Kim's annual base salary $640,000, target bonus 55% of base, and option to purchase 1,195,856 shares under 2023 EIP.
- Ron Oyston steps down as Chief People Officer effective Aug 15, 2024; gets 12 months salary continuation, COBRA, equity vesting.
- Kim previously served as Chief Legal and Administrative Officer; background includes Zymergen, Atara, Sunrun.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1962918/000196291824000075/0001962918-24-000075-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1962918/000196291824000075/slrn-20240508.htm
  HTML page:      https://secwatch.observer/filing/0001962918-24-000075

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