ACELYRIN Adopts Limited-Duration Stockholder Rights Plan
1. ACELYRIN adopts a rights plan in response to stock accumulation. 2. Tang Capital Partners has acquired 8.8% of ACELYRIN's stock. 3. Stockholder rights plan aims to protect against hostile takeovers. 4. Plan allows existing shareholders to purchase additional shares. 5. Rights plan is effective until March 12, 2026.