Form 4: Amphastar Pharmaceuticals CEO and COO Report Stock Disposals for Tax Obligations

Jack Y. Zhang, CEO, and Mary Z. Luo, COO, of Amphastar Pharmaceuticals, reported disposing of shares to cover tax liabilities related to vesting restricted stock units.

Summary

• Jack Y. Zhang, CEO and Chief Scientific Officer of Amphastar Pharmaceuticals, and Mary Z. Luo, COO, Chief Scientist, and Chairman, filed Form 4 documents with the SEC.
• The filings indicate that shares were withheld to satisfy tax liabilities related to the vesting of restricted stock units (RSUs).
• On March 6, 2024, Jack Y. Zhang disposed of 7,031 shares at a price of $46.31 to cover tax obligations, leaving him with 2,135,997 directly owned shares.
• On the same date, Jack Y. Zhang disposed of 2,990 shares at $46.31, with 1,128,536 shares held indirectly.
• Additionally, Jack Y. Zhang indirectly holds 6,827,679 shares through Applied Physics & Chemistry Laboratories, Inc.
• Mary Z. Luo also disposed of shares for tax purposes.
• The reporting persons are husband and wife, and Mary Z. Luo directly holds some of the securities.
• Eva Wen, by power of attorney, signed the forms on behalf of both Jack Y. Zhang and Mary Z. Luo on March 8, 2024.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the filing relates to routine stock disposals for tax obligations, which is a common practice and doesn't necessarily indicate a positive or negative outlook for the company.

Industry Context

Form 4 filings are routine disclosures required by the SEC when company insiders, such as officers and directors, trade their company's stock. These filings provide transparency into insider transactions and can be monitored by investors to gauge management's sentiment and confidence in the company.

Stakeholder Impact

• The stock disposal may have a minor impact on shareholders due to the increased supply of shares in the market, but the impact is likely to be minimal given the reason for the disposal.

Key Dates