Form 4: Acelyrin CEO Mina Kim Reports Stock Vesting and Tax Withholding

CEO Mina Kim reports vesting of performance-based restricted stock units and subsequent tax withholding of shares.

Summary

• On May 15, 2025, Acelyrin CEO Mina Kim vested in 30,851 shares of common stock related to a performance-based restricted stock unit (PSU) award.
• This vesting was based on the company achieving 64% of the performance goals for Tranche 1, as certified by the Compensation Committee.
• The achievement was measured by the volume-weighted average trading price over the 20-day period ending April 1, 2025.
• Kim also had 11,039 shares withheld to cover tax liabilities related to the vested PSUs and 10,258 shares withheld to cover tax liabilities for restricted stock units that vested on the same day.
• Following these transactions, Kim beneficially owns 681,307 shares of Acelyrin common stock.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. The vesting of PSUs suggests that the company is meeting some performance goals, but the tax withholding is a standard procedure.

Positives

• The vesting of performance-based restricted stock units suggests that the company has achieved some level of performance goals, which could be viewed positively.

Future Outlook

The document does not contain specific forward-looking statements, but the vesting of PSUs indicates an expectation of continued performance.

Industry Context

Form 4 filings are standard disclosures for company insiders and provide transparency into their transactions in the company's stock. This filing indicates that the CEO has vested in a portion of her performance-based compensation.

Stakeholder Impact

• Shareholders may view the vesting of PSUs as a positive sign, indicating that the company is achieving its performance goals.
• The tax withholding has no direct impact on stakeholders.

Key Dates

Keywords

Acelyrin, Mina Kim, CEO, Form 4, Stock Vesting, PSU, Tax Withholding, Beneficial Ownership, SLRN